Buttons
Default Buttons
Use the button classes on an <a>
, <button>
, or <input>
element.
Button-Rounded
Add .btn-rounded
to default button to get rounded corners.
Button-Custom
Use a classes .btn-custom
to quickly create a bordered buttons.
Button-Width
Create buttons with minimum width by adding add .w-xs
, .w-sm
, .w-md
or .w-lg
.
Button-Sizes
Add .btn-lg
, .btn-sm
, or .btn-xs
for additional sizes.
Button-Disabled
Add the disabled
attribute to <button>
buttons.
Icon Button
Icon only button.
Block Button
Create block level buttons,with by adding add .btn-block
.
Social buttons
Use class .btn-@yoursocial
to the parent.


WASHINGTON, D.C. (SatireWire.com) – In an effort to keep Russia from interfering with democracy, the Trump administration today announced it has cancelled the 2018 mid-term elections.
“Critics say I’m soft on Russia, but imagine how the Kremlin will feel when they learn I’ve made it impossible for them to meddle in our elections!” President Trump tweeted moments after the announcement.
“I feel OK about it,” Russian President Vladimir Putin later responded.
Trump said the move was necessary because the Russians had figured out America’s “weakness.”
“In America, we have elections, and believe me, the Russians know this,” he told reporters. “In fact, they know exactly when and where our elections are going to happen because we telegraph our intentions. We say ‘Hey, we’re having an election.’ It’s so stupid!”
That, Trump added, stops now.
“So we’re not going to have elections this November,” he said. “Maybe we’ll have them in 2019. Or 2020. Or maybe never. I’ll let you know. But this will knock them off their game. They can’t hurt our elections because we’re not going to have any elections. My predecessors never thought of this, by the way. Never. Such a simple thing.”
Trump advisor Stephen Miller likened eliminating the electoral process to dealing with a crying child.
“A baby knows that if it cries, you’ll feed it. Works every time, right?” Miller said. “But what if you never fed it to begin with? It’s never gonna cry, is it?”
Critics, however, said the approach sends the wrong message, pointing out that free and open elections are the bedrock of American democracy.
“Cancelling elections is the very thing Vladimir Putin wants,” said ranking Senate Foreign Relations member Bob Menendez, D-NJ. “Our system of voting for public officials is what separates us from tyrants like Putin and Kim Jong-un.”
“Exactly. It separates us,” Trump responded. “And maybe that’s not a good thing, OK? I mean, Putin is a great man – good friend of mine – but he doesn’t like democracy. He doesn’t like elections. So we get rid of elections, and guess what? Maybe he likes us a little more. Is it wrong that Russia likes us a little more? I don’t think so.”
A White House spokesman said the election decision would not affect the President’s recent order to use impartial Russian troops to root out the so-called ‘Deep State’ within the U.S. government.
© 2018 SatireWire.com


Wordseer requires at least one XML element to be designated as a text node. The smallest unit of text analysis for this text is a sentence. Ideally, the selected text element must contain one or more sentences per element. If sentences are split into multiple elements, they should be combined. During processing, individual sentences will be extracted from text blocks to form units of analysis.
| <%=item%> |
| <%=item%> |


class: center, middle, title-slide .contextLL[d3-Unconf | 2017 | David Richards] # Hierarchical Datasets ### When? What? How? --- .context[hierarchical data] # Our Goal? By the end of this session,
you should have a
solid understanding,
and a comfort with,
hierarchical datasets. -- ### We will learn: -- 1. *When* do they matter? -- 2. *What* are they? -- 3. *How* do we work with them?
-- ... & some d3 visuals
-- (Today we focus on the data. We'll apply it to visuals, but that'll be light.) --- class: center, middle ## When do they matter? --- .context[hierarchical data] # When do they matter?
Smart data structures and dumb code works a lot better
than the other way around.
.author[—Eric S. Raymond (The Cathedral and the Bazaar)]
-- Bad programmers worry about the code.
Good programmers worry about data structures and their relationships.
.author[—Linus Torvalds]
-- “Data! Data! Data!" he cried impatiently.
"I can't make bricks without clay.”
.author[—Sherlock Holmes]
-- .center[**They matter now....**] --- name: natural-hierarchies .context[when it matters] # Natural hierarchies Some data is naturally hierarchical: --- template: natural-hierarchies * Country ⇢ State ⇢ City ⇢ Street ⇢ House ``` json { "continent": "North America", "countries": [ { "country": "Canada" }, { "country": "Mexico" }, { "country": "United States", "states": [ { "state": "California" }, { "state": "Indiana", "cities": [ { "city": "Fishers" }, { "city": "Carmel" }, { "city": "Indianapolis" } ] } ] } ] } ``` --- template: natural-hierarchies .context[when it matters] * Country ⇢ State ⇢ City ⇢ Street ⇢ House * CEO ⇢ EVP ⇢ SVP ⇢ VP ⇢ DIR ⇢ MGR -- * Folder ⇢ Subfolder ⇢ File -- * Dictionary ⇢ Letter ⇢ Word ⇢ Part-of-speech ⇢ Definitions ⇢ Examples
.right[
] --- .context[when it matters] # Natural hierarchies --
Other examples of naturally occurring hierarchies?
--- .context[when it matters] # Natural hierarchies
Other examples of naturally occurring hierarchies?
Paper & Pencil exercise:
Draw a picture of a dataset that you want to work with that is hierarchical.
.right[(taxonomies & hierarchies are a natural fit)] --- .context[when it matters] # d3 examples
--- class: center, middle ## What are they? --- .context[what are they] # Model your data with Legos _How do we make this “real” for participants? Label blocks? Or use colors for data types?_ --- .context[what are they] # Hierarchy vs. Tabular
Hierarchical
Tabular
Relationships are intrinsic
Relationships formed at run-time
smaller data
larger data
a couple of layers of one-to-many relationships
many-to-many relationships
gateway to sunbursts, trees, treemaps, circle packs, and who knows what else
--- .context[what are they] # Hierarchical data = JSON Arrays + JSON Objects ## JSON Array `[ "Listen", "Learn", "Grow" ]` 1. an ordered list of values, seperated by commas 2. it can store strings, numbers, booleans, objects, other arrays, or a combination 3. surrounded by [ and ] (square brackets)
-- ## JSON Object `{ "name": "John", "age": 30, "motto": [ "Listen", "Learn", "Grow" ] }` 1. a list of key/value pairs * each pair is seperated a comma * keys and values are separated by a colon 2. each key is a string; each value is a strings, numbers, booleans, objects, other arrays 3. surrounded by { and } (curly braces) --- .context[what are they] # --- class: center, middle ## How do we work with them? --- .context[how to work with them] # Read the docs ([d3-hierarchy](https://github.com/d3/d3-hierarchy "d3 hierarchy api documentation")) We're moving from concept to code. `stratify` --- class: center, middle ## Some d3 visuals --- .context[examples] # Zip through some examples * Simple Treemap * Same script, but more data * Same script, create original hierarchy from tabular * Same script, create more data hierarchy from tabular --- .contextLL[slides created with remark.js] # Thanks!


On the Subject of Badugi
Something happened in Vegas, and it apparently didn't stay there.
- Eight cards will be dealt out onto the surface of this module, split up into two groups of four card hands. The first two cards of each hand will be shown, with the other two remaining hidden.
- Find the locations of the two given cards in the table below. (There are two copies of each card except Kings in the table.)
- The two given cards will form exactly one line of adjacent cards, horizontally, vertically, or diagonally, wrapping around as necessary. The next two cards in that line are the two hidden cards in that hand.
- Compare the two hands by the rules of Badugi, and place a chip on (select) the betting line next to the stronger of the two hands. If the two hands tie, either one of them may be picked.
- The module will disarm after three correct choices have been made. Choosing a losing hand will result in a strike and new hands being drawn, but will not reset the number of correct choices thus far.
For a brief overview of the rules of Badugi, see the Appendix on the next page.
Table of Cards
| - | - | - | - | - | - | - | - | - | - |
| - | - | - | - | - | - | - | - | - | - |
| - | - | - | - | - | - | - | - | - | - |
| - | - | - | - | - | - | - | - | - | - |
| - | - | - | - | - | - | - | - | - | - |
| - | - | - | - | - | - | - | - | - | - |
| - | - | - | - | - | - | - | - | - | - |
| - | - | - | - | - | - | - | - | - | - |
| - | - | - | - | - | - | - | - | - | - |
| - | - | - | - | - | - | - | - | - | - |


You need a browser that supports the
Canvas
element.
You need a browser that supports
WebSockets
.
SCORE
0
0


THOMAS AND THE MAGIC RAILROAD A film review by Steve Rhodes Copyright 2000 Steve Rhodes RATING (0 TO ****): ** 1/2
"The magic is gone," the 6-inch tall Mr. Conductor (Alec Baldwin) says about his supply of gold dust, which has run out. And if the magic from the enchanting television series isn't totally absent in Britt Allcroft's movie version, THOMAS AND THE MAGIC RAILROAD, it is too frequently AWOL.
When my son was little, his absolute favorite series was "Thomas the Tank Engine." He only tolerated "Shining Time Station," on which the Thomas episodes appeared, preferring instead to rent the videos, which eliminated the superfluous humans. He liked the series so much that at age 3, he started telling us to call him Thomas and even renamed us and our automobiles after other engines on the show.
In this movie version, the well-known actors in it try hard but just muck up the story. Baldwin is way too silly, Peter Fonda, as the widower grandpa, is too morose and the ever sweet Mara Wilson, as his granddaughter Lily, is underutilized.
Besides the missing gold dust, the plot also involves a lost engine named Lady.
If you're not familiar with the series, the model trains have faces on them and speak. In addition to Thomas ("the really useful engine"), each of the others (Gordon, Percy, Henry, etc) has a unique personality, and although they may bicker a lot, they are all good engines at heart, except for a mean one called Diesel. The series has simple 5-minute Thomas episodes, accompanied by the series' energetic little theme music.
The problem with the movie version, besides those pesky humans in it, is that the story doesn't go anywhere for quite a while, much like a short story that is stretched beyond its limits.
"What have you brought me here for?" Lily asks at one point. The audience may be asking the same question. Although it is a treat to see little Thomas on the big screen, the studio should have waited until they had a script with over an hour's worth of material in it.
THOMAS AND THE MAGIC RAILROAD runs too long at 1:25. It is rated G and would be fine for all ages.
My son Jeffrey, age 11, gave his old friend's first movie a full ****. He liked the story, especially the part with the new engine named Lady.
Email<EMAIL_ADDRESS>Web: http://www.InternetReviews.com
The review above was posted to the
rec.arts.movies.reviews newsgroup (de.rec.film.kritiken for German reviews).
The Internet Movie Database accepts no responsibility for the contents of the
review and has no editorial control. Unless stated otherwise, the copyright
belongs to the author.
Please direct comments/criticisms of the review to relevant newsgroups.
Broken URLs inthe reviews are the responsibility of the author.
The formatting of the review is likely to differ from the original due
to ASCII to HTML conversion.
Related links: index of all rec.arts.movies.reviews reviews


Gecode::Iter::Ranges::Virt::RangesTemplate< I > Class Template Reference
[Range iterators with virtual member functions]
Inherits Gecode::Iter::Ranges::Virt::Iterator.
Detailed Description
template<class I>
class Gecode::Iter::Ranges::Virt::RangesTemplate< I >
Adaptor class to virtualize any iterator.
Provides an iterator with virtual member functions for any template-based iterator.
Definition at line 80 of file virtual-ranges.icc.
Constructors and initialization | |
| RangesTemplate (I &i) | |
| Initialize with iterator i. | |
| void | init (I &i) |
| Initialize with iterator i. | |
Iteration control | |
| virtual void | operator++ (void) |
| Move iterator to next range (if possible). | |
| virtual bool | operator() (void) |
| Test whether iterator is still at a range or done. | |
Range access | |
| virtual int | min (void) const |
| Return smallest value of range. | |
| virtual int | max (void) const |
| Return largest value of range. | |
| virtual unsigned int | width (void) const |
| Return width of range (distance between minimum and maximum). |
Constructor & Destructor Documentation
| Gecode::Iter::Ranges::Virt::RangesTemplate< I >::RangesTemplate | ( | I & | i | ) | [inline] |
Member Function Documentation
| void Gecode::Iter::Ranges::Virt::RangesTemplate< I >::init | ( | I & | i | ) | [inline] |
| void Gecode::Iter::Ranges::Virt::RangesTemplate< I >::operator++ | ( | void | ) | [inline, virtual] |
Move iterator to next range (if possible).
Implements Gecode::Iter::Ranges::Virt::Iterator.
Definition at line 124 of file virtual-ranges.icc.
| bool Gecode::Iter::Ranges::Virt::RangesTemplate< I >::operator() | ( | void | ) | [inline, virtual] |
Test whether iterator is still at a range or done.
Implements Gecode::Iter::Ranges::Virt::Iterator.
Definition at line 120 of file virtual-ranges.icc.
| int Gecode::Iter::Ranges::Virt::RangesTemplate< I >::min | ( | void | ) | const [inline, virtual] |
Return smallest value of range.
Implements Gecode::Iter::Ranges::Virt::Iterator.
Definition at line 128 of file virtual-ranges.icc.
| int Gecode::Iter::Ranges::Virt::RangesTemplate< I >::max | ( | void | ) | const [inline, virtual] |
Return largest value of range.
Implements Gecode::Iter::Ranges::Virt::Iterator.
Definition at line 132 of file virtual-ranges.icc.
| unsigned int Gecode::Iter::Ranges::Virt::RangesTemplate< I >::width | ( | void | ) | const [inline, virtual] |
Return width of range (distance between minimum and maximum).
Implements Gecode::Iter::Ranges::Virt::Iterator.
Definition at line 136 of file virtual-ranges.icc.
The documentation for this class was generated from the following file:
- gecode/iter/virtual-ranges.icc (Revision: 4973)


Add a description here...
yarn add seng-boilerplate
npm i -S seng-boilerplate
import SengBoilerplate from 'seng-boilerplate';
// import SengBoilerplate from 'seng-boilerplate/lib/classname';
// do something with SengBoilerplate
View the generated documentation.
In order to build seng-boilerplate, ensure that you have Git and Node.js installed.
Clone a copy of the repo:
git clone https://github.com/mediamonks/seng-boilerplate.git
Change to the seng-boilerplate directory:
cd seng-boilerplate
Install dev dependencies:
yarn
Use one of the following main scripts:
yarn build # build this project
yarn dev # run compilers in watch mode, both for babel and typescript
yarn test # run the unit tests incl coverage
yarn test:dev # run the unit tests in watch mode
yarn lint # run eslint and tslint on this project
yarn doc # generate typedoc documentation
When installing this module, it adds a pre-commit hook, that runs lint and prettier commands before committing, so you can be sure that everything checks out.
View CONTRIBUTING.md
View CHANGELOG.md
View AUTHORS.md
MIT © MediaMonks
Remove this section when cloning this boilerplate to a real project!
This boilerplate contains the following folders:
src/lib
, will be published to npm.yarn
.This boilerplate contains the following files:
This project uses Travis to build, test and publish its code to npm. Travis is free for public Github repositories.
It runs on all commits, shows the build status for pull requests, and publishes to npm when a new tag/release is created.
Travis only runs the npm test
script, so have configured that script
to run everything we want Travis to check. Besides the unit tests, we
also run our validations and linters.
The travis configuration is placed in a .travis.yml
file, consisting
of multiple sections.
node_js
language,
and tells travis on which node versions to run the process.Because we want to keep the npm api key secret, we add the token to the Travis Repo settings where it will be stored secure: https://docs.travis-ci.com/user/environment-variables/#Defining-Variables-in-Repository-Settings
Before we can do this, we must make sure that the repository is added to Travis, because Travis needs the repository owner/name info to make sure the encrypted values only work for that repository.
Then make sure you are logged in to your npm account with the adduser command:
$ npm adduser
To verify that you are logged in correctly you can check:
$ npm whoami
Now we need to create a new token:
npm token create
Copy the token value from the output to the Travis Environment Variable settings, and
add it with the name NPM_TOKEN
.
Generated using TypeDoc


ABOUT US
We often dull ourselves into complacency with the way things are.
While growing up there's an idea that is induced into our brains that the world is something that happens right outside your peepers and you just try to find your place and fit in while you see some other 'bright' people running it.
When you start interacting with some of these people you learn that they're not very different from you. They might have a little more judgement in some areas but they're basically the same.
There's something beyond what is going on in this life, something beyond a house, a car and a set monotous lifestyle that a human being is dulled into. There is another side to this coin and youll see that the moment you realise that if you push something here, another thing pops out on the other side. So be a round peg in a square hole. That way youve got a lot of room to fill in with something that is different.
When you work on something, dont think about the non ideal consequences, let the idealism drive you. The non ideal consequences only play one role and that is to balance each other out. There's a reason why seeking idealism is the goal.
It doesnt matter if you're taking a step a day, you'll still be farther from if you thought for days and took the same step.
As Bob Dylan rightly said
"The chance wont come again,
and dont speak too soon
For the wheels still in spin'
and there's no tellin who that its namin'
For the loser now will be later to win
For the times they are a-changin"
Our mission
The prime objective of our club is to provide a learning platform where we can spread technical knowledge. We plan not only to participate in events and competitions but also belive in passing technical knowledge to all interested people who are passionate about electronics.
What we do
Robotics is budding technical field, we introduce it to new students and try to peek up their interest in this field.
We also conduct technical sessions to provide hands on practical knowledge to all interested people. Also, we form teams to participate in inter college robotics competitions.


HYDRAULIC DAMPER DESIGN FOR A KNEE PROSTHESIS
by Eric Hershler Bott
Submitted in Partial Fulfillment of the Requirements for the Degree of Bachelor of Science at the MASSACHUSETTS INSTITUTE OF TECHNOLOGY February, 1975
Signature of Author... emtgeesatetieweetileanoS Gohnm steve eneeoneeann Departments of Mechanical Engineering and Physics, February 23, 1975
Certified Dyas oon eS TENE ce TTE TTT eT ee eenenaeeneve
_Thesis Supervisor
~~
Accepted DY 0 coo 0 6 TRE MAINT FTETT TET oe eee ene Chairman, Departmental Committee on Theses
.
Oy. ~~
MAR 15 1976 Lieoa Ries
—— en


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Incredible Applications 2021


On Goodstein Sequences
This exercise is linked with the Goodstein sequence starting at 4
in base 2 (G(4,2)).
See for instance
Kirby and Paris "Independence results for Peano Arithmetic"
Journal of Symbolic Logic, 1978, vol 43, pp 725-731.
Consider the following definitions :
Require Import Arith.
Require Import Omega.
Require Import Relations.
Record item :Set := quad {
b: nat ;
c2 : nat ; (* coefficient of b^2 *)
c1 :nat ; (* coefficient of b *)
c0 :nat (* coefficient of b^0 *) }.
(* relation between two consecutive items of the sequence *)
Inductive R: item -> item ->Prop :=
exp0 : forall n i j k, R (quad n i j (S k)) (quad (S n) i j k)
|exp1 : forall n i j , R (quad n i (S j) 0) (quad (S n) i j n)
|exp2 : forall n i , R (quad n (S i) 0 0) (quad (S n) i n n).

Prove a theorem of the form reachable (quad N 0 0 0)
Remark
This exercise can be adapted in C:
Which value is printed when the following program terminates
(if it terminates) ?
The source
Solution
Look at this file .
Warning : in CoqCVS, compile with option -no-vm
Going home


Computers are logical and language is complex. I find joy in exploring the relationship between the two to discover meaningful insights from large datasets through detail-oriented logic and a persistent pursuit of the truth. With my cognitive science, quantitative, and multilingual background, I tackle challenges from a multidisciplinary lens with dedication, consideration, and joy to ultimately bridge the gap between numbers, languages, technology, and humans.
When I'm not on my laptop, I love exploring the great outdoors, whether that’s here in the Bay Area or on another continent entirely. If it's above 20 degrees, you can probably find me outside running or hiking some of California's beautiful trails. However, I have also hiked (or scootered!) to the highest points in both Thailand and Korea, and I’m hoping to add a few more countries to that list (once we can travel safely again!)!
Singing and dancing also brighten my life, so I’m always looking for ways to add another song or dance to the day. At the same time, improv classes give me a chance outside work to challenge myself in a supportive community, laughing all the while. Above all, my daily routine of morning yoga and nighttime bullet journaling keep me grounded and ready for each fresh, new day.


We use the for
loop generally to cycle through, say, an array of items. We can do something with each item. For example:
The code above obviously just increases i
, starting at 0 and ending at the length of arr
, which gives us the ability to access each of the items of arr
by its index.
How do you declare the loop?
There’s frequently discussion on how to best write a for
loop. There are some performance issues depending on how you write it (see this StackOverflow question), and I think a lot of it comes down to two things at the end: readability and personal style.
Several ways:
There are many other ways to write the loops, but those are some of the more common ones.
Let’s go over all of them, briefly
#1 — The problem with this one is that it might take some browsers longer because we’re “resetting” some variables each time (i.e., each iteration, the loop checks the section where we define the limit, which is oftentimes the length of an array). In fact, we can prove this:
The engine appears to check each statement for every iteration of the loop. We can cache the variables, so in comes:
#2 — This one caches the length, which could give you a little micro-optimized performance boost in some browsers. The first i
definition doesn’t get “re-evaluated” at the end of each iteration. We can prove this too:
As you can see above, i
is only defined once. If it wasn’t, it would increase by itself each iteration, and we wouldn’t see every number of arr
in the output. So it seems we’ve got to a nice, optimized way of writing the loop. But in comes the “personal style” element:
#3 — I like the last one, because it defines everything at the top of the function, much like how I described as a best practice in my post about hoisting. You can see everything easier, and predict what is going to be used, and where. However, this is not the best style to use, if you need to re-define the length, or limit, every iteration (for instance, if you’re removing or adding items to an array). I think it also is very minimalistic and clean.
Why does #3 not throw an error?
The third one is strange, because we start it off with a ;
all by its lonesome. Well, I think this can be explained if we accept that the second part of the loop, the i < // whatever
part, looks to define itself by i
, wherever i
might be. The first part, the part where we normally declare and define i
, it just that: a part where we can initialize variables. In fact, we could initialize any variables we wanted. We could even initialize the limit, or length variable, and the array itself! Check it out:
Pretty cool, right? The initialization section of the loop provides us a space to intialize whatever we want; the syntactical benefit is that when a user looks at it, they know that i
and len
are directly tied to that loop. The downside I think, though, is that a beginner might be fooled into thinking that i
only exists in the scope of the for
loop, when in fact, even though i
was initialized as part of the for
loop, it still exists to whatever function scope that it’s inside. We can prove this:
Each of these sections (the first part where we initialize i
, the second part, and the third part) all have names, by the way. They are called:
So what have we learned?
Well, we learned its easier when you call things by their names: initialization
, condition
, and final-expression
.
Initialization lessons
We can use this to declare anything we want, but we don’t have to use it to declare anything
Additionally, although it may be a personal style issue, I think it’s best to declare everything at the top of the function where the for
loop resides, unless you need to redefine something in the condition
section, such as the length of an array.
Condition lessons
When it comes to arrays, we’re probably better off caching the length of the array either in the initialization
expression or at the top of the function in which the for
loop resides. This can give some performance benefits. However, we want to keep in mind that in a function where we add or remove things from an array, we might need to redefine the condition
expression of the for
loop every iteration.
Bonus!
Let’s create a function that does a for
loop for us. It eliminates the scoping issues of variables like i
and len
, and it feels a whole lot cleaner. In fact, this function is a simplified version of something that the Underscore.js and jQuery libraries do (jQuery has $.each). You can even see a very complicated polyfill for Array.prototype.forEach on MDN’s page. Here’s out simplified function:
If you want to play around with that function, or just see if it works, open up your Developer Tools (cmd+opt+j on Mac in Chrome), copy and paste, hit enter, and voila.
We could even put it in a module:
Boom! Why all the strange semicolons? Why the weird function notation? Check out my post on weird semicolons and on a simple way to modularize dependencies for some answers to these question. Also, check out John Papa’s AngularJS style guide. It applies specifically to AngularJS, but a lot of the principles translate well into vanilla JavaScript principles.


I am a fantastic actor, with great charisma on stage, I am a triple threat, and will command a standing ovation every single performance!
I have been in Les Miserables, Doctor Who, The Bill, Miss Marple, basically all those shows that all the actors want be on. Did I say I was FABULOUS DARLING?! Email my agent!


{% extends 'gridMng/composite/compositeWizard_base.html' %} {% block stylesheet %} {{ block.super }} {% endblock stylesheet %} {% block javascript %} {% endblock javascript %} {% block step_info %}
In this step you can type the name of the grid, as well as a description for it.


We optimize platforms!
- repurpose distributed networks
- morph scalable e-services
- deploy user-centric convergence
- transition e-business web-readiness
- whiteboard intuitive partnerships
- unleash vertical ROI
- orchestrate bricks-and-clicks e-commerce
- unleash holistic ROI
- target customized e-commerce
- optimize user-centric networks
- e-enable web-enabled action-items
- integrate collaborative channels
- leverage transparent deliverables
- incubate customized solutions


Hi I'm Nikos, and since I can remember myself I always had a natural call to computers. I can clearly recall the day I said "that's what I'm going to do with my life!".
I love to work with new technologies in order to create new amazing things!
Portfolio website of Elimiotida P.C. The project was built to support the main website and is used by the company's sellers to showcase the product range to b2b customers.
Company Website of Atlas Marblestones. It is a wordpress based website hosted in a cpanel control panel.
Built with native Android APIs, the Contra Market App gives access to customer loyalty points and rewards, the store's monthly discount leaflet, and additional special offers.
Official Android application for the Department of Computer Science of TEI Thessalias. The application provides access to Announcements, News and many more information valuable to the students of the Department.


New in version 1.1: The timezone support has been added in Twig 1.1.
New in version 1.5: The default date format support has been added in Twig 1.5.
New in version 1.6.1: The default timezone support has been added in Twig 1.6.1.
New in version 1.11.0: The introduction of the false value for the timezone was introduced in Twig 1.11.0
The date filter formats a date to a given format:
{{ post.published_at|date("m/d/Y") }}
The date filter accepts strings (it must be in a format supported by the strtotime function), DateTime instances, or DateInterval instances. For instance, to display the current date, filter the word “now”:
{{ "now"|date("m/d/Y") }}
To escape words and characters in the date format use \\ in front of each character:
{{ post.published_at|date("F jS \\a\\t g:ia") }}
If the value passed to the date filter is null, it will return the current date by default. If an empty string is desired instead of the current date, use a ternary operator:
{{ post.published_at is empty ? "" : post.published_at|date("m/d/Y") }}
If no format is provided, Twig will use the default one: F j, Y H:i. This default can be easily changed by calling the setDateFormat() method on the core extension instance. The first argument is the default format for dates and the second one is the default format for date intervals:
$twig = new Twig_Environment($loader);
$twig->getExtension('core')->setDateFormat('d/m/Y', '%d days');
By default, the date is displayed by applying the default timezone (the one specified in php.ini or declared in Twig – see below), but you can override it by explicitly specifying a timezone:
{{ post.published_at|date("m/d/Y", "Europe/Paris") }}
If the date is already a DateTime object, and if you want to keep its current timezone, pass false as the timezone value:
{{ post.published_at|date("m/d/Y", false) }}
The default timezone can also be set globally by calling setTimezone():
$twig = new Twig_Environment($loader);
$twig->getExtension('core')->setTimezone('Europe/Paris');
- format: The date format
- timezone: The date timezone


--- title: Test nbdev keywords: fastai sidebar: home_sidebar summary: "Just an experiment to better understand the workflow" description: "Just an experiment to better understand the workflow" nb_path: "nbs/00_core.ipynb" ---
This is a straightforward zalutation:
say_hello("Lumi")
assert say_hello("Murphy") == "Hello Murphy!"
from IPython.display import SVG, display
SVG(url="https://en.wikipedia.org/wiki/Function_(mathematics)#/media/File:Function_machine2.svg")
The next function is far more general. The concept of a fold) is very much like reduce in Python, except that it enables crossing of the type barrier. Both fold and reduce take care of traversal of a given collection, but fold (left) takes a function of type (B, A) -> B
while reduce takes a function of type (A, A) -> A
. The implication is that Python's reduce can handle the summation of numbers because the result is still a number, but it can't turn a range into a corpus, or a payload from an API call.
We can demonstrate by taking by operating on arbitrary types. Let us turn integers into a collection of type List[Foo]
.
assert fold([0], [], foo_f) == [Foo(0, True)]


I am a passionate Data Scientist with experience executing data-driven solutions to increase efficiency, accuracy and the utility of internal data processing. I am proficient at drawing important patterns, trends, and insights from data in order to provide valuable recommendations for clients and implement action-oriented solutions to complex business problems. I possess extensive analytical skills, strong attention to detail, and a significant ability to work in team environments. At present, I am looking for a Data Scientist position with a forward-moving company.
Skills
Programming Languages: Python, R, SQL, C, C++, Java, Linux, HTML, JavaScript, C#
Databases:: PostgreSQL, Microsoft SQL Server, MySQL, Oracle
Big Data & Cloud computing: Snowflake, Hadoop, HDFS, Spark Scala, PySpark, PIG, MapReduce, Hive, Impala, HBase, AWS S3, DynamoDb, Redshift, ElasticSearch
Machine Learning & Deep Learning: Scikit-Learn, SciPy, Pandas, NumPy, TensorFlow, Keras, PyTorch, NLTK, OpenCV, SpaCy,
Security: Cryptography & System Security, Network Threats and Attack, Digital Forensic, Digital Signal Processing
Tools & Softwares:: Shell, Makefile, Git, Vim, Stata, Tableau, Spotfire, SAS, Excel, Word, PowerPoint, Rapid Miner.


--- layout: post title: A few more Rails jobs in NYC, Santa Clara categories: - jobs author: admin published: true date: 2005-10-22 11:53:27.000000000 +01:00 ---
Sebastian Delmont from New York City is looking for 1-2 full-time (no telecommuting) Ruby on Rails developers for a new consumer-focused startup. Write him sd at notso.net. 3 Leaf Networks is looking for a single programmer in Santa Clare for work on another start-up in Rails.


DfE enquiries
Central newsdesk 020 7783 8300
General enquiries 0370 000 2288
Press release
Education white paper outlines plans to transform England's schools and build on the progress that has already been made.
A new accreditation system to recognise teachers’ expertise and ability in the classroom rather than just their completion of a training course is part of a new vision for schools to raise standards and extend opportunity to every child.
In a white paper launched today (17 March 2016), Education Secretary Nicky Morgan has set out radical new proposals which will transform England’s schools and build on the sustained progress that has already been made over the course of the last Parliament.
Alongside a blueprint for a system of full academisation, the white paper outlines significant changes to teacher qualifications which will recognise teachers for the experts that they are and give teaching the same status as doctors and lawyers.
Alongside this are plans to better develop and train the next generation of school leaders and ensure they are working where they are needed most. This is part of the government’s commitment to empower and extend the reach of the best leaders.
Despite the progress already made - 1.4 million more children are in ‘good’ or ‘outstanding’ schools compared to 2010 - there are still areas of underperformance around the country.
Ensuring talented and inspirational leaders are working in those areas is integral to providing educational excellence for all. To ensure great leaders are not discouraged from working in those areas the white paper is proposing the introduction of new ‘improvement periods’ during which schools will not be inspected by Ofsted.
For schools which have been judged as requiring improvement, an improvement period of around 30 months will be applied. Where schools have been taken over by a new sponsor following a period of underperformance, Ofsted will not reinspect until their third year. This will give heads the chance to bring about real improvement and change before being inspected again.
More widely the inspectorate will also consult on the removal of separate judgements on the quality of teaching to make clear that schools are being held to account for the outcomes their pupils achieve, not the teaching styles they use.
A new, more challenging accreditation will replace qualified teacher status (QTS) and will be awarded when a teacher has demonstrated classroom proficiency, including areas such as behaviour management, and subject knowledge.
In a speech today launching the white paper , Nicky Morgan will say:
We have not only the best qualified workforce in history, but also a workforce that is increasingly focused on constant self-improvement, that is driven by the evidence and which like other professions is breaking new boundaries, sharing what works, challenging one another and unleashing greatness.
This white paper recognises this, and goes further than any government has done to recognise teachers as the professionals they are.
More importantly, the decision on whether to accredit a new teacher will be made by headteachers themselves. This will put the power in the hands of those who know best what makes a great teacher - outstanding schools and heads.
The white paper also confirms the government’s plans for all schools to either become academies, or be in the process of converting to academy status, by the end of 2020.
It also proposes that the vast majority of schools work in multi-academy trusts ( MATs ), allowing them to share resources, staff and expertise to continue driving up standards. The new structure will also provide further career development options for teachers so they can continue to work in the classroom. This will be supported by the further funding announced by the Chancellor in the budget .
The new system of supported autonomy will mean that not only are schools able to drive improvement themselves but where a school is struggling, action can be taken sooner and support can be provided.
In her speech Nicky Morgan will say:
All of us in education, from politicians and civil servants in Westminster to our phenomenal teaching workforce in classrooms across the country do what we do, because we believe in the potential of the next generation.
This white paper is about ensuring that all of us can play the role that we do best, it’s a blueprint for how we can work together, not just to improve standards, important though that is, but to create a fundamentally different education system - an education system fit for the 21st century, an education system which is truly focused on the future.
A range of support for areas of underperformance, where not enough children have access to a good school place, has also been unveiled.
This will involve giving those ‘Achieving Excellence Areas’ priority access to programmes such as the National Teaching Service and other initiatives that ensure they are accessing the expertise from other outstanding schools and MATs , as well as the resources they need to bring about real sustained improvement.
At the heart of this vision is empowering parents to hold schools and the system to account. A new parent portal, the first of its kind, will provide information on school performance, guidance on how the school system works and information on specific aspects such as a clearer and fairer school complaints and admissions system.
In her speech Nicky Morgan will say
This portal will provide parents with everything they need to understand their children’s education, it will cut through the jargon we’re all guilty of using and explain what they should be able to expect and when, it will show them how to raise complaints and what the options are available to them.
Sir Steve Lancashire, CEO of REAch2 and REAch4 says:
This is a watershed moment for education and great news for parents and local communities. It is an opportunity to transform schools right across the country and ensure every child has the best education possible.
What has been achieved through the existing network of academies can now be rolled out to the benefit of all.
Other reforms outlined in the white paper include:
The white paper follows the Chancellor’s budget commitment to invest in the next generation including funding for schools to increase the length of the school day, helping young people develop the skills they need to compete globally.
The white paper is published on the same day as the strategy for the Department for Education . It sets out how we will work towards achieving our vision of world class education and care during this Parliament.
It also sets out how the schools white paper fits into the department’s wider agenda which includes children’s services, early years, 16 to 19 education, as well as schools.
Central newsdesk 020 7783 8300
General enquiries 0370 000 2288
Published: 17 March 2016


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Special Projects
This story is part of a series of specially designed stories that represents some of the best journalism The Post has to offer. Check out the rest of the special projects here.
8/23/2018
Construction is a necessary evil in college towns, where it seems like roads are always being repaved and buildings are constantly given facelifts.
Athens City Council members approved numerous infrastructure projects prior to their July recess that will affect Ohio University students and Athens residents in the coming months. Members also debated the use of parking spaces by mobile vendors and whether to raise the minimum age to buy tobacco to 21.
Council passed an ordinance which would allow Athens Mayor Steve Patterson to apply for a grant that will fund improvements to increase pedestrian safety by adding curb extensions at intersections and making crosswalks shorter on East Washington, East State and Mill streets.
Meagan Hall | DIRECTOR OF PHOTOGRAPHY
City Council members Patrick Mcgee, Peter Kotses, and President Chris Knisely listen to Mayor Steve Patterson on Jan. 16th, 2018.
During their final session before the recess, members voted to approve the third phase of a construction project, which would create a spur from the West State Street ballfields to University Estates, connecting the neighborhood to the Hockhocking Adena Bikeway.
A limited partnership agreement was reached with the Ohio Department of Transportation and the city which would allow them to move forward on improving the Richland Avenue bridge that runs over Coates Run, originally built in 1935.
“I don’t what kind of overhaul I’m going to get when I am 83 years old, but I think this bridge is ready for some updates,” Pete Kotses, D-At Large, said in June. “It is time.”
The construction would take place during the summer of 2019 and is estimated to cost more than $1 million, according to a previous Post report.
On June 11, Athens City-County Health Department Representative Kari Boyle told council members that adopting Tobacco 21, an initiative that seeks to raise the minimum age to purchase tobacco from 18 to 21, could protect younger teens from addiction.
“It's definitely a gateway drug,” Boyle said in June.
The initiative is mostly aimed at stopping smoking, the leading cause of preventable disease in the United States, from affecting high school students, according to a previous Post report.
No ordinance regarding the initiative is on the table at this time.
Members spent multiple sessions debating proposed changes on how mobile vendors, like food trucks, can pay to park uptown.
Councilman Pat McGee, I-At Large, said the city loses money when vendors don’t use their reserved spots and proposed changing the times vendors’ spaces are reserved.
The ordinance would have allowed the public to park in spaces reserved for vendors, like the Burrito Buggy, on Sundays and after noon on normal days. It was ultimately shot down with a 4-2 vote.
“It’s overly complicated,” Councilwoman Chris Fahl, D-4th Ward, said in June.
Fahl said addressing a small part of a bigger problem, like addressing the way vending works in Athens, isn’t the right way to create change.
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This story is part of a series of specially designed stories that represents some of the best journalism The Post has to offer. Check out the rest of the special projects here.


Take this short quiz to find out how much of an SF hipster you are.
1. Are you a hipster?
Yes.
No.
What is a hipster?
I don't do labels.
2. How do you get around?
Hybrid
BART
Feet
Fixie
3. When was your last PBR
I'm holding one right now!
I had one a few weeks ago.

4. Best place for a burrito?
Papalotes.
Chipotle.
La Taqueria.
Taco Bell.
5. How do you feel about mustaches?
I totally dig the ones on the cars!
Ew!
I have a tattoo of one on my finger.
Why don’t you bask in the glory of my mustache and tell me how you feel about it?
6. Coffee time! Where are you headed?
Home to my Nespresso machine.
The Creamery in SOMA.
Starbucks... there are three in eyesight of wherever I am!
Four Barrel Coffee in the Mission.
7. Tell me about your favorite jean style.
Baggier the better.
Comfortable, tailored fit.
Skinny and form fitting.
It is unacceptable to have even one air molecule between my legs and my jeans.
8. Do you pretend to be poor?
I am poor!
I am not defined by my parents' bank account.
I keep my financial status to myself.
I have no problem flashing my cash.
9. Did you go to art school?
Yes.
No.
I went to school but I dropped out to focus more on my craft.
Who goes to art school?!
10. Best spot in town to catch some tunes?
Elbo Room.
Great American Music Hall.
Mezzanine.
DNA Lounge.
11. How would you describe your style?
Classically preppy.
I live in my designer hoodie.
Underweight lumberjack.
Lululemon addict.
12. Nice Mac! How do you carry it around?
Actually, I don't have a Mac.
Seat belt buckle, cross-shoulder Chrome bag.
Briefcase.
Timbuk2 messenger bag.
13. How often do you wear flannel?
Flannel would be my uniform, if I believed in uniforms.
I have a few items I pull out occasionally.
I have some flannel pyjamas.
Not since the 90s!
14. The word 'deck' means:
An outdoor area, often made of wood, adjoining a house.
A presentation about your company often given to potential investors.
Cool, cutting edge or hip.
To knock someone out.


What is the Game Warrior?
The Game Warrior is a curated digital storefront for PC and Mac, designed with both players and creators in mind. It’s focused on providing great games for gamers, and a fair deal for game developers. When you buy a game on the Game Warrior, 88% of the price goes directly to developers, versus only 70% on many other stores. This helps developers invest into building bigger and better games.
Where can I download the Game Warrior?
Visit the Game Warrior page at gamewarrior.com, go to the upper right corner, and click “Get Game Warrior.” This is the only place to safely download the installer for the Game Warrior. Do not trust other sources, as they are likely unsafe.
Which platforms does the Game Warrior support?
The Game Warrior currently offers PC and Mac support. You can check platform compatibility for individual titles by referring to the “About Game” section of any product page.
What are the future plans for the Game Warrior?
You can find upcoming features, developer updates, and major known issues on our Game Warrior Roadmap on Trello. We’ll also share significant updates with you on our news feed and social media pages such as Facebook, Twitter, Instagram, and YouTube.
Why does the Game Warrior make exclusivity deals?
Exclusives are a part of the growth of many successful platforms for games and for other forms of digital entertainment, such as streaming video and music.
Game Warrior works in partnership with developers and publishers to offer games exclusively on the store. In exchange for exclusivity, Game Warrior provides them with financial support for development and marketing, which enables them to build more polished games with significantly less uncertainty for the creators.
In addition, creators will earn 88% of all the revenue from their game, while most stores only offer 70%.
What is the Support-A-Creator program?
The Support-A-Creator program enables content Creators to earn money from games in the Game Warrior by using Creator Links and Creator Tags. Learn more about the Support-A-Creator program here.
What’s this about free games?
Game Warrior will be offering a new free game available each week throughout 2020. When you claim a free game, it’s yours to keep - even after the game is no longer available to new customers for free.
I claimed a free game but don’t see it on my account now, why?
Once you claim a free game, it’s yours to keep. If you come back later and don’t see it your account, please check to see if you have multiple accounts. If you created an Game Warrior account using an @gmail.com email address, log in to it directly using your Gmail password; using the Google login button will create a distinct account even if it’s tied to the same @gmail.com email address. And check to see if you have both a console-linked account (logging in via PlayStation, Xbox, or Nintendo account) and a separate Game Warrior account. If you still encounter issues, please contact player support here.
Can I try a game before I buy it?
Some publishers occasionally offer demos or free trial periods for certain non-free games from time to time (for example, a Free Weekend trial). During a free trial period, you can download and play a trial version of the game before you decide to purchase, but you can no longer access the game when the trial period ends.
How do refunds work on the Game Warrior?
All games are eligible for refund within 14 days of purchase for any reason, as long as you’ve had the game running for less than 2 hours. You will not be eligible for refunds for games from which you have been banned or for which you have otherwise violated the Terms of Service. Learn more about our refund policy here.
How do I contact support?
You can contact our support team here. We also recommend browsing our support center articles, which may help answer questions or resolve issues.
Is my Game Warrior account secure?
The Game Warrior account system powers Fortnite, the Game Warrior, and Unreal Engine. This account system has never been compromised. However, specific individual Game Warrior accounts have been compromised by hackers using lists of email addresses and passwords leaked from other sites which have been compromised.
If you use the same email address and password on Game Warrior as you used on another site which has been compromised, then your account is vulnerable to attack. To secure your Game Warrior account, use a unique password, and enable multi-factor authentication. You can learn more about the measures we take to protect your account and what you can do to stay safe here.
What languages does the Game Warrior support?
The Game Warrior currently supports English, Arabic, German, Spanish (Spain), Spanish (Latin America), French, Italian, Japanese, Korean, Polish, Portugeuse, Russian, Thai, Turkish, Simplified Chinese, and Traditional Chinese. In-game language support varies per game, as provided by the developer; check each game’s store page for language availability.
Does the Game Warrior support regional pricing?
Yes, we do support regional pricing in more than 190 countries and over 30 territories. We also have a set of suggested regional discounts for developers based on local norms that are regularly reviewed.
Which currencies do you accept and in which currencies do you display prices?
The Game Warrior currently accepts 29 currencies (USD, EUR, GBP, PLN, BRL, UAH, RUB, KRW, JPY, TRY, AUD, CAD, DKK, NOK, SEK, CZK, ILS, CHF, MXN, PEN, HUF, CLP, SAR, AED, RON, NZD, ZAR, INR, COP). We’re working to bring more currencies online.
If your currency is not on the list, you’ll see the prices displayed in US Dollars, but will still pay in your local currency according to the current exchange rates. In some countries paying in US Dollars may incur additional bank conversion fees. We are working on expanding the list of supported currencies. This list will be updated as we add currency payment options.
Here is the full list of currently supported countries and territories.
|
Country or Territory Name |
Currency |
|
Afghanistan |
USD |
|
Aland Islands |
EUR |
|
Albania |
EUR |
|
Algeria |
USD |
|
American Samoa |
USD |
|
Andorra |
EUR |
|
Angola |
USD |
|
Anguilla |
USD |
|
Antarctica |
USD |
|
Antigua and Barbuda |
USD |
|
Argentina |
USD |
|
Armenia |
USD |
|
Aruba |
USD |
|
Australia |
AUD |
|
Austria |
EUR |
|
Azerbaijan |
USD |
|
Bahamas |
USD |
|
Bahrain |
USD |
|
Bangladesh |
USD |
|
Barbados |
USD |
|
Belarus |
RUB |
|
Belgium |
EUR |
|
Belize |
USD |
|
Benin |
USD |
|
Bermuda |
USD |
|
Bhutan |
USD |
|
Bolivia |
USD |
|
Bosnia and Herzegovina |
EUR |
|
Botswana |
USD |
|
Bouvet Island |
EUR |


sq is a web app for making non-square pictures square. Works on iOS.
romanize-names romanizes Traditional Chinese / Taiwanese names. This is useful because in Taiwan there are 4 different officially recognized spellings for my surname.
emojilib is an emoji keyword library because no one remembers what 🔪 is called.


The time period for the test is always requested by the client. It makes a request to the request broker process on each endpoint of the test in turn. The time period is requested by specifying two timestamps. The earliest time and the latest time the client is willing to settle for. The request broker either returns a tentative reservation with the first open time that will fulfill the parameters of the test or a request denied message. The client can then use the tentative reservation time as the earliest time in the request to the request broker on the other host. Eventually, an agreed upon time will be reached or the latest time will be reached. If the request broker can not fulfill the request before the latest time specified in the request, it will return a server too busy message. If the client gets the same time from both servers, it must then confirm the reservation with a start session message. The start session message must be received before a configurable timeout period and before the reservation time, or the server will disallow the reservation.
The bwctld parent resource broker process holds the master schedule. When requests come in from clients, the request broker process does the non-global authorization checks and then passes the global authorization checks up to the resource broker including the request for a given time slot. The scheduling itself is simply a first-fit algorithm with limits imposed on how far it is willing to schedule into the future.
Each time slot that is requested is padded to allow for time synchronization issues. The algorithm for the padding is dynamic and depends upon the following factors:
This amount of time is padded before and after each time slot that is requested. The algorithm was designed to continue to work in the case when the test peer is not as well synchronized and is perhaps halfway around the globe.
The padding is placed before and after the test slot because there is 2 RTT of communication before and after each test. For well synchronized hosts that are fairly near one another, this algorithm usually provides 2-3 seconds of padding between each test (time slot). This could potentially be reduced by making the A constant smaller. That constant represents the amount of time it takes a host to context switch, start processes, and includes how quickly the throughput tester notices that its time is up. Experimentation has shown that even with 1 second of padding, the throughput testers sometimes need to be killed off.
Once the client sends the the start session message, the request broker forks off a peer agent that is responsible for verifying the time offset to the other endpoint of the test and initializing the communication socket that will be used to trade results of the test.
If the test endpoint systems have a reasonably close idea of the time, and they can communicate, the peer agent forks off the test process. The test process waits until the scheduled start time and then executes the desired throughput tester with the correct command line parameters. Note: Experience is showing that a closer integration with the testing process (Iperf, Nuttcp or Thrulay) may be needed in the future.
In the event that the local host is one of the endpoints and there is no local bwctld running, bwctl will spawn additional processes to execute the local side of the test directly. In this case, a diagram of the processes involved would look like the following:
* The images above shows a dashed blue line around the processes that occur on each host.


The first woman in Panay to fight in the Philippine revolution.
Known as the Visayan Joan of Arc. Born in Pototan, Iloilo, on November 4, 1871. Died in August 1947.


size? Adds Heritage Fox Brothers Materials to adidas Originals Campus 80
Featuring three different flannels.
by Jack Stanleysize? has partnered with adidas Originals and British heritage textile company Fox Brothers for a unique new take on the Campus 80 silhouette. The sneaker is constructed from three Fox Brothers flannels, which are mirrored from one side of the shoe to the other.
The materials begin with a West of England Grey flannel, appearing on the exterior of each shoe, followed with an Old English Blue Chalkstripe flannel running from the toe box up to the tongue and, finally, a Glen Check on the medial walls. Other detailing includes orange Three Stripe and Fo Brothers branding on the medial walls, with white stripes and gold “CAMPUS” branding on the lateral side. Finally, the collaborative sneaker is finished with co-branded footbeds and tongue tabs.
Take a look at the size? x Fox Brothers x adidas Originals Campus 80 in the gallery above, and expect the sneaker to arrive via the size? web store and in all physical locations on December 13.
In other footwear news, Blondey McCoy’s adidas Superstar will release this week.


Float.
return LOG_10_OF_E * scipy.special.logsumexp(
np.array(log10_probs) * LOG_E_OF_10)
def normalize_log10_probs(log10_probs):
Float.
m = max(log10_probs)
return m + math.log10(sum(pow(10.0, x - m) for x in log10_probs))
def normalize_log10_probs(log10_probs):
Approximately normalizes log10 probabilities.


Overview
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DBHandler
- Class in
ca.ualberta.CMPUT301F13T02.chooseyouradventure
This class implements the Handler interface which specifies a contract for a class that will store and retrieve Story objects from some sort of storage.
DBHandler(Context)
- Constructor for class ca.ualberta.CMPUT301F13T02.chooseyouradventure.
DBHandler
This is the default constructor for a SQLite Database class
Decision
- Class in
ca.ualberta.CMPUT301F13T02.chooseyouradventure
This class will encapsulate the data of a page's decisions which link two pages of a story together with a prompt.
Decision(String, Page)
- Constructor for class ca.ualberta.CMPUT301F13T02.chooseyouradventure.
Decision
This sets the link for the decision
Decision(Page)
- Constructor for class ca.ualberta.CMPUT301F13T02.chooseyouradventure.
Decision
DecisionAdapter
- Class in
ca.ualberta.CMPUT301F13T02.chooseyouradventure
This is the Adapter class for Decisions that allows them to be displayed in list-views.
DecisionAdapter(ArrayList<Decision>, Context)
- Constructor for class ca.ualberta.CMPUT301F13T02.chooseyouradventure.
DecisionAdapter
Constructor for this Adapter to take an array of decisions
decisionMenu(View)
- Method in class ca.ualberta.CMPUT301F13T02.chooseyouradventure.
ViewPageActivity
Brings up a menu with options of what to do to the decision.
deleteActivity()
- Method in class ca.ualberta.CMPUT301F13T02.chooseyouradventure.
ControllerApp
Removes the view associated with this page.
deleteDecision(int)
- Method in class ca.ualberta.CMPUT301F13T02.chooseyouradventure.
ControllerApp
Deletes the decision at position whichDecision.
deleteDecision(int)
- Method in class ca.ualberta.CMPUT301F13T02.chooseyouradventure.
Page
deletePage(Page)
- Method in class ca.ualberta.CMPUT301F13T02.chooseyouradventure.
Story
This deletes a page from a story
deleteStory(Story)
- Method in class ca.ualberta.CMPUT301F13T02.chooseyouradventure.
DBHandler
This deletes a local copy of a story.
deleteStory(Story)
- Method in class ca.ualberta.CMPUT301F13T02.chooseyouradventure.elasticsearch.
ESHandler
Deletes the passed story in the DB
deleteStory(Story)
- Method in interface ca.ualberta.CMPUT301F13T02.chooseyouradventure.
Handler
deleteTile(int)
- Method in class ca.ualberta.CMPUT301F13T02.chooseyouradventure.
ControllerApp
Deletes a tile from the page.
deserialize(JsonElement, Type, JsonDeserializationContext)
- Method in class ca.ualberta.CMPUT301F13T02.chooseyouradventure.


An element providing advanced routing to your polymer apps.
Start installing it into your application with Bower
bower install steroid-polyter
Configure your layout in html. User region="region-name"
to set drawable regions into your schema. A reverved word to draw your main content is main
.
<steroid-polyter>

</steroid-polyter>
Set the default configuration for the layout schema.
window.addEventListener('webComponentsReady', function () {
Polyter.defaultConfig({
layoutElements: {
header: 'header-element',
sidebar: 'sidebar-element'
}
});
});
Add a simple route for a polymer element.
window.addEventListener('webComponentsReady', function () {
Polyter.addRoute('/', {
element: 'page-home'
});
});
Add route with params.
window.addEventListener('webComponentsReady', function () {
Polyter.addRoute('/store/:category', function () {
element: 'page-category'
});
});
Get params into the polymer element.
Polymer({
is: 'page-category',
created: function () {
if (this.params.category) {
//Make something with the params.
}
}
});
A Polyter extension is a Polymer component instance without render into dom.
Define a default extension.
Polyter.defaultConfig({
extensions: [polymer-auth, polymer-db]
});
Define a route extension.
Polyter.addRoute('/cars', {
element: 'cars-list',
extensions: ['price-calculator']
});
Accessing to an extension.
//Some script
Polyter.ext['price-calculator'].getTaxPrice(price);
//Cars-list main element lifecycle callbacks
...
created: function () {
this.ext['polymer-db'].find(this.params.id);
}
...
//Hooks (explained later)
before: function () {
if (!this.ext['polymer-auth'].logged()) {
this.redirect('login');
}
}
If your extension needs some configuration add it in before hook, the polymer method factoryImpl
will be called just after before hook.
Polyter have 5 hooks to manage the route lifecycle. You can do anythin here. This hooks can be defined by route and by default configuration (complementary).
run: function () {
//this have the route scope with the params
//Access to the params.
console.log('Route params', this.params);
//Stop the route propagation
this.stop();
//Redirect to other route (also stop the route propagation)
this.redirect('/login');
//Get the previous route!
console.log('Previous route: ' + this.previousRoute);
},
before: function () {
//Same as above but now we have the extensions injection.
//Get example extension information.
var doc = this.ext['polymer-db'].find(this.params.id);
if (doc.isValid) {
// do something
this.ext.push.send('car-viewed', this.params.id);
}
else {
this.redirect('/error-404');
}
// Maintain the route but change the element to render.
if (!this.ext.auth.isLoggedIn) {
this.render('my-login', 'main');
}
},
action: function () {
//Same as above but now we have the instances of the defined elements
//Get the element instance
var insPointer = this.instances['cars-list'];
//Comes from other book?
if (this.previousRoute === this.route) {
//Add additional information to the element instance
// so we can render it with other view.
insPointer.loadAlternativeView();
}
},
after: function () {
//Here we have the elements rendered
this.instances['page-demo'].changeTitle('new title'); //rules!
//Also we can do the other things but no this.render()
},
stop: function () {
//The route has been changed! Put some information
// here for the next route.
this.ext['local-storage'].setAdditionalInfo({previousCar: this.params.id});
}
Element dependencies are managed via Bower. You can install that via:
npm install -g bower
Then, go ahead and download the element's dependencies:
bower install
If you wish to work Polyter in isolation, we recommend that you use Polyserve to keep your element's bower dependencies in line. You can install it via:
npm install -g polyserve
And you can run it via:
polyserve
Once running, you can preview your element at
http://localhost:8080/components/steroid-polyter/
, where steroid-polyter
is the name of the directory containing it.
Simply navigate to the /test
directory of your element to run its tests. If
you are using Polyserve: http://localhost:8080/components/steroid-polyter/test/
Simply navigate to the /demo
directory of the element to se the demo in action
with Polyserve: http://localhost:8080/components/steroid-polyter/demo/


Some album artwork not showing in 1.8
-
Magnetikal
Since upgrading to Synergy 1.8, some tracks that used to show album artwork are no longer showing it. None of my artwork is embedded in my music files, it's all in the Album Covers folder. It seems that for tracks with a composer, Synergy looks for artwork using the composer field, or possibly the artist + composer field. For hip hop music, I use the composer field to indicate the producer of the track (composer is the closest match - the producer composes the music behind the vocals). So I have lots of tracks with artists + composers that are now no longer showing artwork, where they used to previously.
Also, I noticed a bug in the floater display - when both artist and composer are present, there is no space between the artist's name and the composer's name.
-
Magnetikal
Nix that last part - I just saw you've already fixed the "no space" bug for the next release.
-
Greg Hurrell
There is a bug report for this open in the bug database:
-
David
About this bug; Synergy will not find the artwork under this new scheme in the case where the songs on the album have different composers it seems. Each time a song plays, the group essentially has a different name: Band(composer 1) Band(composer 2) I've been waiting all day for art to be found again, and it's only failing where this composer info is being shown. (It also doesn't make sense to look for new artwork for every song on a track.)
-
Greg Hurrell
You're right that it doesn't make sense to look for new artwork for every song on an album. This is a problem that Synergy has always had. How does it know "what is an album"? It can only assume that if a track has the same album title and the same artist then it is the same album. This has caused problems for compilation albums because the artists are often different. In this case, Synergy should ignore the artist name and perform the comparison on the basis of album name only.
But there are other problems with that idea because some people have different art embedded in tracks even though they are in the same album... For this reason I am going to implement some preferences in Synergy Advance so people can choose how their art gets managed (ie. the strategy used for identify what is an album).
The 1.8 release of Synergy does exacerbate this problem because composer is now part of the cover art identifier. As you've pointed out you'll see this when a band has different composers for tracks on the same album.
I do appreciate the comments but given the comments should really go in the bug database so that all the information relating to the problem is in one place. I'm going to lock this thread. Please add any additional comments there.
Reply
This topic is now closed.


{% extends 'base.html' %} {% block body %} {% block header %}
It appears you do not have access to the Reactors Service. Error message: {{ auth_error }}
You can request access here.
There was an error: {{ error }}
| Reactor ID | Reactor Name | Image | Description | Default Environment | Owner | Reactor Status | Privileged | Create Time | Last Update Time | Action |
|---|---|---|---|---|---|---|---|---|---|---|
| {{ actor.id }} | {{ actor.name }} | {{ actor.image }} | {{ actor.description }} | {{ actor.defaultEnvironment }} | {{ actor.owner }} | {{ actor.status }} | {{ actor.privileged }} | {{ actor.createTime }} | {{ actor.lastUpdateTime }} |


class: center, middle # Topic 06. TDD, Doctests --- # Module doctest - Module from the standard library: [doctest](https://docs.python.org/3.7/library/doctest.html). --- # Test when running as a script ```python if __name__ == "__main__": import doctest doctest.testmod() ``` --- # Multiline doctests ```python >>> # comments are ignored >>> x = 12 >>> x 12 >>> if x == 13: ... print("yes") ... else: ... print("no") ... print("NO") ... print("NO!!!") ... no NO NO!!! ``` --- # Advanced flags - See Python help on the module.


should I work for free?
by Jessica Hische
YES
is it for your friend?
YES
is it for a legitimate business?
YES
is it for a charity or non-profit?
YES
is it for your mom?


All Files
(93.75%
covered at
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hits/line)
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160 relevant lines.
150 lines covered and
10 lines missed
Controllers
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Models
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1
class ApplicationController < ActionController::Base
-
# Prevent CSRF attacks by raising an exception.
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# For APIs, you may want to use :null_session instead.
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1
protect_from_forgery with: :exception
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-
1
before_action :configure_permitted_parameters, if: :devise_controller?
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1
before_action :masquerade_user!
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-
1
rescue_from CanCan::AccessDenied do |exception|
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redirect_to root_url, alert: exception.message
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end
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def current_user
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super || guest_user
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end
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protected
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def configure_permitted_parameters
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devise_parameter_sanitizer.for(:sign_up).push(:username, :email,
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user_profile_attributes: [:id, :mail_pref_rev, :mail_pref_rat])
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devise_parameter_sanitizer.for(:account_update).push(:username, :email,
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user_profile_attributes: [:id, :mail_pref_rev, :mail_pref_rat])
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end
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-
1
private
-
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1
def guest_user
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User.find(session[:guest_user_id].nil? ? session[:guest_user_id] = create_guest_user.id : session[:guest_user_id])
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end
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1
def create_guest_user
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1
u = User.create(username: "guest",
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email<EMAIL_ADDRESS>-
1
u.add_role :guest
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u.save(validate: false)
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1
u
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end
-
-
end
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1
class BooksController < InheritedResources::Base
-
1
before_action :authenticate_user!, only: [:new, :edit, :update, :destroy, :create]
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1
load_and_authorize_resource
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-
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# GET /books
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# GET /books.json
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1
def index
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@books = Book.all
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@submitted_books = Book.submitted
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2
@approved_books = Book.approved
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2
@deactivated_books = Book.deactivated
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2
@book=Book.first
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end
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# POST /books
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# POST /books.json
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def create
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@book=Book.new(book_params)
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@book.status="submitted"
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create!
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end
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# DELETE /books/1
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# DELETE /books/1.json
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def destroy
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if @book.has_reviews?
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1
@book.status = 'deactivated'
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1
@book.save
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redirect_to books_url, notice: 'Book had ratings or reviews and has been deactivated.'
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else
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destroy!
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end
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end
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def approve
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1
@book.status = "approved"
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1
@book.save
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end
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1
private
-
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# Never trust parameters from the scary internet, only allow the white list through.
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1
def book_params
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params.require(:book).permit(:title, :author, :ISBN, :cover, :user_id)
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end
-
-
end
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1
class ReviewsController < ApplicationController
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1
before_action :load_book
-
-
1
def create
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1
@review = @book.reviews.new(review_params)
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if @review.save
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AdminMailer.notify_about_review(@book,@review).deliver
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redirect_to @book, notice: 'Thanks for your review!'
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else
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redirect_to @book, alert: 'Unable to add review'
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end
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end
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def destroy
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1
@review = @book.reviews.find(params[:id])
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@review.destroy
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redirect_to @book, notice: 'Review Deleted'
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end
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private
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def load_book
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2
@book=Book.find(params[:book_id])
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end
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def review_params
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1
params.require(:review).permit(:username, :email, :body, :user_id)
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end
-
-
end
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class UsersController < InheritedResources::Base
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before_action :set_user, only: [:show, :edit, :update, :destroy]
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before_action :authenticate_user!
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def destroy_guests
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User.all.each do |user|
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1
user.destroy if user.is_guest?
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end
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redirect_to '/users', notice: "Guest accounts have been destroyed"
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end
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def give_admin_priv
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role_change(:admin,:add)
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end
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def revoke_admin_priv
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role_change(:admin,:remove)
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end
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def block_user
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role_change(:blocked,:add)
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end
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def unblock_user
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role_change(:blocked, :remove)
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end
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def invite_user
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User.invite!(email: params[:invite_email])
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redirect_to '/', notice: "#{params[:invite_email]} has been invited"
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end
-
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private
-
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def role_change(role, change)
-
5
if current_user.is_admin?
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u = User.find(params[:id])
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u.send("#{change.to_s}_role",role)
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case change
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when :add
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redirect_to '/users', notice: "#{u.username} now is #{role.to_s}."
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when :remove
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redirect_to '/users', notice: "#{u.username} is no longer #{role.to_s}."
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else
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raise 'Unknown change param in users_controller'
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end
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else
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1
redirect_to '/', alert: "You do not have privileges to take that action."
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end
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end
-
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# Use callbacks to share common setup or constraints between actions.
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1
def set_user
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@user = User.find(params[:id])
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end
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# Never trust parameters from the scary internet, only allow the white list through.
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1
def user_params
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params.require(:user).permit(:username, :email, :password,
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:password_confirmation, user_profile_attributes: [:user_id, :mail_pref_rev, :mail_pref_rat])
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end
-
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end
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module ApplicationHelper
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-
end
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module ReviewsHelper
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end
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class AdminMailer < ActionMailer::Base
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default from<EMAIL_ADDRESS>-
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1
def notify_about_review(book, review)
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3
@book = book
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3
@review = review
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3
if @book.user.user_profile.mail_pref_rev
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mail(to: @book.user.email, subject: "Your book<EMAIL_ADDRESS>was reviewed!")
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end
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end
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def notify_about_rating(book_id, stars, rater)
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@book = Book.find(book_id)
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3
@stars = stars
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3
@rater = rater
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if @book.user.user_profile.mail_pref_rat
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mail(to: @book.user.email, subject: "Your book<EMAIL_ADDRESS>was rated!")
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end
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end
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end
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class Ability
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include CanCan::Ability
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def initialize(user)
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can :manage, :all if user.has_role?(:admin)
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can [:update, :destroy], Book, user_id: user.id
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can [:read, :create], Book
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can :update, User, id: user.id
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can [:read, :create], User
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can [:update, :destroy], Review, user_id: user.id
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can [:read, :create], Review
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cannot :create, Review if user.is_blocked?
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can :update, Rate, id: user.id
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can [:read, :create], Rate, rater_id: user.id
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cannot :create, Rate if user.is_blocked?
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end
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end
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class Book < ActiveRecord::Base
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belongs_to :user
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has_many :reviews, dependent: :delete_all
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has_attached_file :cover, styles: { small: "150x150>" },
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url: "/assets/books/:id/:style/:basename.:extension",
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path: ":rails_root/public/assets/books/:id/:style/:basename.:extension"
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default_scope { order("title ASC")}
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3
scope :submitted, -> {where(status: 'submitted')}
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scope :approved, -> {where(status: 'approved')}
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scope :deactivated, -> {where(status: 'deactivated')}
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-
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validates_presence_of :title, :author, :ISBN
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validates_attachment_file_name :cover, matches:
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[/jpe?g\Z/,/png\Z/,/gif\Z/]
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1
validates_attachment_presence :cover
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validates_attachment_size :cover, less_than: 5.megabytes
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ratyrate_rateable "user_rating"
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def has_reviews?
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5
self.reviews.count > 0
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end
-
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end
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class Review < ActiveRecord::Base
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belongs_to :book
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1
belongs_to :user
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-
end
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class Role < ActiveRecord::Base
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has_many :users_roles
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1
has_many :users, through: :users_roles
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1
belongs_to :resource, :polymorphic => true
-
-
1
scopify
-
end
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1
class User < ActiveRecord::Base
-
1
rolify
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# Include default devise modules. Others available are:
-
# :confirmable, :lockable, :timeoutable and :omniauthable
-
1
devise :invitable, :database_authenticatable, :registerable,
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:recoverable, :rememberable, :trackable, :validatable,
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:masqueradable
-
-
1
validates_presence_of :username
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1
has_many :roles, through: :users_roles
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1
has_many :books, dependent: :delete_all
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1
has_many :reviews, dependent: :delete_all
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1
has_one :user_profile, dependent: :delete
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1
accepts_nested_attributes_for :user_profile
-
-
1
ratyrate_rater
-
-
end
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1
class UserProfile < ActiveRecord::Base
-
-
1
belongs_to :user
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-
end


Dimmers can be bound to a segment without a dimmer, and it will be generated automatically.
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Pellentesque nec sem at leo varius facilisis non nec ex. Curabitur eget massa diam. Vivamus eu scelerisque orci. Nam aliquet justo diam, eget interdum tellus vehicula sed. Suspendisse non nunc egestas, semper eros nec, congue lectus. Nullam in vehicula dolor. Nulla dictum dui ut diam aliquet, id consectetur lectus consequat.
Dimmers can also have a dimmer defined to it by adding it as a child of the dimmer being created.
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Pellentesque nec sem at leo varius facilisis non nec ex. Curabitur eget massa diam. Vivamus eu scelerisque orci. Nam aliquet justo diam, eget interdum tellus vehicula sed. Suspendisse non nunc egestas, semper eros nec, congue lectus. Nullam in vehicula dolor. Nulla dictum dui ut diam aliquet, id consectetur lectus consequat.
Dimmers can also be bound to a boolean that can be altered by the component, for instance to not allow altering of a form after submit.
A set of components and directives that work together to create dimmers.
| Usage | Description | |
|---|---|---|
| [uiDimmer] |

 | The component that will control the dimmer for the segment. |
| .ui.dimmer |

 | The dimmer that will be overlaying the content. |
Settings that can be added to the elements to change the functionality of the dimmer.
| Default | Description | |
|---|---|---|
| [uiDimmer] | empty | The initilization to build a dimmer, however it can be bound with a boolean to control if the dimmer is shown or not. |
| [transition] | fade | The animation that should be used when opening or closing the dimmer. |
| [duration] | 500 | The duration it takes for the dimmer to finish its animation. |
| [closable] | auto | If the dimmer itself can be closed when the dimmer is clicked. |


The Southern Tier Lego Users Group is a group of adult and teen fans of Lego from the Southern Tier region of New York State. We have regular meetings and host events for both members and the community. Upcoming Events


Hello
Hello, it's nice to meet you. I'm glad you're here.
I am KERTALJOS - I make sounds.
I hope that when you listen to my tracks, you find the same sense of calm that I feel when I create them.
What have you made then, mate?
Welcome to my tiny home studio.
Without a room of it's own, or any fancy equipment, this is where the KERTALJOS sound emerges from.
At the moment, you can find me via:


ID: {{cartridge._id}}
- Manufactured on: {{cartridge.manufacturedOn | date:
medium}}
- Expiration date: {{cartridge.expirationDate | date:
medium}}
- Ordered on: {{cartridge.orderedOn | date:
medium}}
- Registered on: {{cartridge.registeredOn | date:
medium}}
- Test started on: {{cartridge.startedOn | date:
medium}}
- Test finished on: {{cartridge.finishedOn | date:
medium}}
- Test succeeded: {{!cartridge.failed |
uppercase}}
- Value: {{cartridge.value | number: 3}}
Posted on
by


Server Selection
Updated Server Selection
- We will be runing a node.js server on linux
- This decision was reached after realizing that such a large amount of modification would need to be done on the existing whisper systems server in order to accomodate our key and message structure, that completely reimplementing would be worth the amount of extra work in order to not work woth a java server.
- node was chosen because the client side of Grd Me is necessarily is java script, and writing our server in javascript would make it easier to maintain the two code bases.
Original Server Selection
we will be running a java webserver on linux
server code will be publically hosted on github
server code will be forked from whisper system's server repo


Note:
Platform GUI exmaple: PCF Apps Manager UI
## Elastic Runtime Components/Architecture
* **Go Router**: The HTTP server that responds to all incoming traffic (CF CLI requests, request to apps, etc). It maintains a dynamic routing table constructed from information it receives from NATS.
* **Consul**: Service discovery service, it acts like a DNS service so CF components can find eachother using hard-coded internal hostnames.
### Elastic Runtime Subsystems:
#### **Cloud Controller API**
The Cloud Foundry API. managing the ER. All CF CLI requests are handled by it, allowing you to deploy your app and manage
your system.
* **CC_DB**: Cloud Controller Database where the CC persists Org/Space/App data.
* **Blob Store**: The place where CC persists app packages and droplets; it’s a means to optimise the system so that you don’t have to do those tasks over and over again.
* **CC-Bridge**: The place where app specific messages/domain are translated into Diego tasks & LRPs generic language.
#### **Diego**
The container scheduling subsystem of CF. It schedules tasks and long-running processes (LRPs); these are run within an immutable container (once it gets created it won’t get changed). The API handles communication between Diego and the Cloud Controller and the Cells run the application containers.
- `Task` = app guaranteed to run at most once (e.g.: a PCF example is staging an app)
- `LRP` = web app that can have multiple instances
Containers are run within a `cell` = an OS.
PCF has a pool of cells, many VMs are of type cell and your app instances get distributed across those.
* Containers are managed by **Garden** = an interface with many diff backends, like Linux or Windows, to support diff types of platforms.
* **Rep**: The process running on the cell continuously reporting what is going on on a cell. It represents the cell in the `BBS`/`auctions`.
- An `auction` = is held to bid on executing a task or LRP
* **Executor**: Rep subprocess that manages container allocations on the cell; it also streams
`stdout` and `stderr` to `Metron`.
* **Metron**: Process living on the cell and forwarding logs to the Loggregator susbsytem.
* **BBS (Bulletin Board System)**: The API to access the Diego DB for tasks and LRPs; data is persisted to `etcd`.
* **etcd database**: The Diego database for BBS tasks and LRPs.
* **Brain**: Main unit responsible for holding the auction, composed of 2 subprocesses:
- `Auctioneer` = holds auctions for tasks and LRPs
- `Converger` = reconciles desired LRPs vs actual LRPs through auctions
* **UAA**: User Account and Authentication. Various requests (login credentials, OAuth tokens,
etc.) are authenticated against the UAA.
#### **Loggregator**
The logging subsystem consists of multiple VMs such as the `Doppler`, `Adapter`, `Log-api` and the `Scheduler`. Various parts of this system handle collecting logs from the applications, sending the logs off to user-configured remote logging services and responding to `cf logs`.
* **Doppler**: App syslog drains allowing you to drain logs to a 3rd party log manager system (like Splunk or Papertrail)
* **Traffic Controller**: Component responsible for handling requests such as `cf logs`; this exposes a websocket endpoint called the `firehose`.
* **Firehose**: Another way to plug in to the loggregator system via this websocket endpoint that
exposes app logs, container metrics and ER (Elastic Runtime) component metrics; it does not include ER component logs.
* **Nozzles**: Firehose output consumers where logs are plugged into transformed to whatever data format you need.
#### **Routing**
It routes traffic to the appropriate component.
* **NATS**: Messaging bus, some components report runtime events here. The most important one probably is routing information, the Diego cells constantly update the Router with a list of applications and what hosntnames are registered to them.
#### Storage
* **etcd database**: The Diego database for BBS tasks and LRPs.
* **CC_DB**: The DB instance serving the Cloud Controller and the UAA. It can be substituted with
any remote DB service such as Amazon RDS.
* **Blob store**: The Cloud Controller stores the prepared application images (droplets) in the blob store. Can be substituted with network filesystems (NFS, WebDav) or S3-compatible APIs.
#### Specify API endpoint
cf api api_endpoint.pivotal.io
#### Login using your user credentials
cf login -a api_endpoint.pivotal.io
#### View your target
Review your current API endpoint, user, org and space:
cf target
#### Deploy your app
cf push app_name \
[-p ./app.jar] \
[-m 128M] \
[--random-route] \
[--no-start]
If the app has the artifact path and the required memory specified via a _manifest.yml_ file, we simply need to push the app with no other params.
Note:
- `-p` tells the cf command what
file to upload
- `--random-route` assigns a random route to the app, as opposed to the default route `app_name.cfapps.io`
- `--no-start` tells the cf command not to start the app
For Java apps, specify the **java_buildpack** buildpack entry inside your manifest file.
#### Start your app
cf start app_name
#### Restart your app
Restarting an app makes sure that the environment variables (**VCAP_SERVICES**) are set/injected correctly in the app container.
cf restart app_name
#### Scale up/out your app
cf scale app_name \
-m memory_size_scale_up \
-i instances_scale_out
#### View your deployed apps
cf apps
Note:
View all apps deployed in your org and space.
#### View available services in the marketplace
cf m
#### Get service plan info for a marketplace service
cf m -s market_service_name
### Environment Variables (VCAP_SERVICES)
Note:
For bindable services, CF adds connection details to the **VCAP_SERVICES** environment variable when you restart your app, after binding a service instance to your app.
#### View your app's env variables
cf env app_name
#### Set an env variable
cf set-env app_name env_name env_value1,env_value2[,...]
# make sure to restart your app
# for the env variables to take effect
cf restart app_name
### Wiring a service to an app
#### Provision a route service intance
cf create-service market_service_name \
market_service_plan_name service_name
#### Bind a route service to your app
cf bind-service app_name service_name
# you will need to restart your app
# so that the app can have access to the env variables
cf restart app_name
#### View created services
cf services
### Wiring apps together
A user-provided service instance can be used to connect to any legacy system within your CF.
# hook an app to another
cf create-user-provided-service user_provided_service_name \
-p uri
# uri will wait for the app url,
# e.g.: http://uri_to_reach_your_app
# now bind the app you want to to this user-provided service
cf bind-service app_to_hook_name user_provided_service_name
cf restart app_to_hook_name
Note:
Java apps can read env variables via a Java Buildpack feature called **Auto-Reconfiguration**
that will automatically re-write bean definitions to connect with services bound to an app.
### Rebuild app droplet
Application droplets need to be rebuilt when there are new dependencies to pull in:
cf restage app_name
### Reverse-engineer a manifest from a running app
You can create/save an app manifest for an app that has been pushed successfully:
cf create-app-manifest app_name \
[-p ./path_to_manifest/manifest.yml]
Note:
Manifests help you push your app by allowing you to specify all your app metadata and associated services and env variables in this **manifest.yml** file instead of on the command line.
#### Create an app security group
cf create-security-group sg_name path_to_sg_json_file
# bind the SG to an org and space
cf bind-security-group sg_name org_name space_name
# for changes to take effect, restart the app
cf restart app_name
Note:
Application Security Groups (ASGs) are a collections of egress rules that specify the protocols, ports, and IP address ranges where app or task instances send traffic.
**ASGs** = virtual firewalls that control egress/outbound traffic for apps
#### See all security groups running & bound to your targeted ops and space
cf security-groups
#### Check the definition for a security group
cf security-group app_security_group_name
### Staging Security Groups
Note:
Staging security groups bound during staging when the app droplet gets created.
- admins can define a staging ASG for app and task staging
#### See all staging security groups
cf staging-security-groups
### Running Security Group
Note:
- admins can define a running ASG for app and task runtime
#### See all system wide running security groups
cf running-security-groups
Note:
Both staging and running SGs are system wide, they apply everywhere, despite the org and space you are targetting.
#### Lock down all of the egress traffic for a running app
cf unbind-running-security-group app_security_group_name
# restart your app to see the effects
cf restart app_name-log-drain
Note:
- by unbinding that SG
### Create a log drain
PCF does not persist logs. For long term storage of logs for log analysis, use 3rd party tools via CF's capability to drain app logs to some destination.
cf create-user-provided-service app_name-log-drain \
-l syslog://3rd_party_syslog_endpoint
# `3rd_party_syslog_endpoint = host:port`
# of external 3rd party syslog service,
# like Papertrail or Splunk
cf bind-service app_name app_name-log-drain
cf restart app_name
### View all routes in your org and space
cf routes
### Blue-Green Deployments
Note:
- used to achieve zero downtime when upgrading, when managing multiple versions of your app, traffic being devided up by the number of instances bound to the route.
Push your new app version:
# scale out your app to multiple instances
cf scale app_name -i 2
# record the subdomain (host) for your app
cf routes
# push the new app version by declaring
# your production route as `subdomain-temp`
cf push app_name-v2 \
-p ./app-v2.jar \
-m 768M \
--hostname initial_app_hostname-temp \
--no-start
Bind app to service and map routes:
# bind the new version app to
# any dependency apps the old app has
cf bind-service app_name-v2 app_name
cf start app_name-v2
# map production route to the new app v2
cf map-route app_name-v2 \
initial_app_domain \
--hostname initial_app_hostname \
[--port public_facing_port_to_the_app]
Redirect app traffic to the new version app:
# scale down your initial app
cf scale initial_app_name -i 1
# scale out your new app and you will see most traffic
# leaning in favor for this app
cf scale app_name-v2 -i 2
# to cut over from the old app,
# unmap the public route from your old app,
# thus moving all traffic to app v2
cf unmap-route initial_app_name initial_app_domain \
-n initial_app_hostname
Make sure to cleanup after your blue-green deployment:
# cleanup by unmapping the temporary route
cf unmap-route app_name-v2 initial_app_domain \
-n initial_app_hostname-temp
# delete the old app
cf delete app_name
#rename app v2 to app_name
cf rename app_name-v2 app_name
# restart the app
cf restart app_name
# scale down
cf scale app_name -i 1
### Autoscaling and Performance Testing
#### Provision an autoscaler service instance
Automatic app scaler service can be found on the marketplace. They will look at your app metrics and scale the app up or down on your behalf during periods of higher and lower traffic.
cf create-service app-autoscaler \
market_service_plan_name \
service_name
# bind the created service to the app you want
cf bind-service app_name service_name
# restart your app
cf restart app_name
#### Generate load on your app
- for performance testing and to see the autoscaler work:
cf m -s loadimpact
#### Check app status/health
cf app app_name
#### Troubleshoot app instances
Or how to view app events:
cf events app_name
#### View app logs
# view most recent logs
cf logs app_name --recent
# tail the logs = view logs in real-time
cf logs app_name
# filters logs containing API (Cloud Controller logs)
# and CELL (Diego Cell logs);
# observe this when you scale up & down/out your app
cf logs app_name | grep "API\|CELL"
# on Windows:
cf logs app_name | findstr "API CELL"
# filter logs excluding Router logs
cf logs app_name | grep -v RTR
#### Monitor app state
A better way for monitoring the state of your app, including your app instances and their CPU usage is via CF CLI plugin:
# head over to CF plugins catalog:
# https://plugins.cloudfoundry.org/
cf top
#### Monitor app performance
CF integrates well with application performance monitoring solutions like NewRelic or AppDynamics.
# these solutions add overhead to your app
# so you need to scale up your app in terms of memory
cf scale app_name -m 1G -i 1
cf create-user-provided-service newrelic_service_name \
-p newrelic_license_key
# ! newrelic_service_name must be `newrelic`
# OR use the newrelic marketplace service:
cf create-service newrelic standard newrelic_service_name
cf bind-service app_to_hook_name newrelic_service_name
# restage app so that droplet can be rebuilt
# to include the agent
cf restage app_name
Note:
If you no longer need this service, don't forget to unbind it from your apps, delete it, scale down your apps memory and restage your apps.
#### PCF Metrics (in Beta state)
Visit the following interface to see app events, metrics (CPU, memory, network) and logs in this monitor view: http://metrics.our_system_domain
(**our_system_domain = cfapps.io** in this case)
[PWS Metrics doc](http://docs.run.pivotal.io/metrics/using.html)
[PCF Metrics doc](http://docs.pivotal.io/pcf-metrics/using.html)
#### Explore system buildpacks
Buildpacks produce the droplet needed to run our app.
cf buildpacks
Note:
You have the option to use custom buildpacks as well.
#### Specify a custom buildpack
# deploy an app with the latest custom buildpack
cf push app_name -p artifact_path \
-b custom_buildpack_git_repo
#### Configure the Java runtime that the Java buildpack provisions for your app
The system provided Java buildpack is offline, with a limited set of dependencies. For both the online and offline packages, unless the Java version is specified, the app is run with the latest Java version available to the buildpack.
# set env variables that you want your app to read
cf set-end app_name JBP_CONFIG_OPEN_JDK_JRE \
"{jre: { version: your_desired_version}}"
# where e.g. your_desired_version = 1.8.0_45
# the droplet needs to be rebuilt
cf restage app_name
### Service Brokers
Note:
- publish route services to the CF marketplace, making them available to devs
- help extend CF with managed services, by providing an interface for native and external 3rd party services
#### Create a service broker
Managed services can easily be plugged in in CF's extensible platform and made available in the service marketplace via the space-scoped service brokers feature. After pushing the service broker app to PCF, set the following env variables:
cf set-env service_app_name SERVICE_ID service_broker_id
cf set-env service_app_name SERVICE_NAME service_name
cf set-env service_app_name PLAN_ID service_plan_id
cf start service_app_name
cf create-service-broker service_broker_name \
username password \
service_app_name_url \
--space-scoped
Note:
Space-scoped brokers are private to a space and don't require an admin to enable access (list it in the marketplace, provision service instances, etc.).
If you have created say a MongoDB service broker, and you have provisioned say a MongoDB AWS instance, you have to setup the connectivity to that by defining the **MONGODB_HOST** env variable for your service broker (the hostname or IP address of that AWS instance):
cf set-env service_broker_name \
MONGODB_HOST mongodb_aws_instance_ip_address
cf set-env service_broker_name \
MONGODB_PASSWORD mongodb_aws_instance_password
cf restart service_broker_name
#### List service brokers
cf service-brokers
# see service broker access level
cf service-access
#### Delete a service broker
# the service created to bind
# your app to the service-broker
cf delete-service service_name
cf delete-service-broker service_broker_name
cf delete service_app_name
### Route Services
Note:
- are a kind of a Marketplace that devs use to process traffic addressed to an app, to filter or transform an apps requests and responses by binding an app's route to a service instance (e.g.: authentication, rate limiting, caching)
#### Create a user-provided route service
cf create-user-provided-service route_service_name \
-r https://uri_to_reach_your_route_service_app
Note:
User-provided services live outside of CF; there is no service broker making them available.
They enable apps to connect to local services that are NOT managed by CF.
#### Bind the user-provided route service to the intercepted app
# capture the domain for your route-service and the
# hostname of the app you are going to intercept
cf routes
# bind it
cf bind-route-service route_service_domain \
route_service_name \
--hostname app_intercepting_hostname
#### Cleanup
cf unbind-route-service route_service_domain \
route_service_name \
--hostname app_intercepting_hostname
For a deeper understanding of Cloud Foundry,
checkout their [documentation](https://docs.cloudfoundry.org/#read-the-docs)
or try
[Pivotal's e-learning platform](https://pivotal.litmos.com/course).
The CF internals diagram at the beginning of this presentation was generated using [Code2Flow](https://code2flow.com/).


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