This page describes how to setup a working Python development environment that can be used in developing nova on Ubuntu, Fedora or Mac OS X. These instructions assume you’re already familiar with git. Refer to GettingTheCode for additional information.
Following these instructions will allow you to run the nova unit tests. If you want to be able to run nova (i.e., launch VM instances), you will also need to install libvirt and at least one of the supported hypervisors. Running nova is currently only supported on Linux, although you can run the unit tests on Mac OS X. See ../quickstart for how to get a working version of OpenStack Compute running as quickly as possible.
Nova development uses virtualenv to track and manage Python dependencies while in development and testing. This allows you to install all of the Python package dependencies in a virtual environment or “virtualenv” (a special subdirectory of your nova directory), instead of installing the packages at the system level.
Note
Virtualenv is useful for running the unit tests, but is not typically used for full integration testing or production usage.
Note
This section is tested for Nova on Ubuntu (10.10-64) and Fedora-based (RHEL 6.1) distributions. Feel free to add notes and change according to your experiences or operating system.
Install the prerequisite packages.
On Ubuntu:
sudo apt-get install python-dev libssl-dev python-pip git-core libxml2-dev libxslt-dev
On Fedora-based distributions (e.g., Fedora/RHEL/CentOS/Scientific Linux):
sudo yum install python-devel openssl-devel python-pip git
Install virtualenv:
sudo easy_install virtualenv
Check the version of OpenSSL you have installed:
openssl version
If you have installed OpenSSL 1.0.0a, which can happen when installing a MacPorts package for OpenSSL, you will see an error when running nova.tests.auth_unittest.AuthTestCase.test_209_can_generate_x509.
The stock version of OpenSSL that ships with Mac OS X 10.6 (OpenSSL 0.9.8l) or Mac OS X 10.7 (OpenSSL 0.9.8r) works fine with nova.
Grab the code from GitHub:
git clone https://github.com/openstack/nova.git
cd nova
The unit tests will run by default inside a virtualenv in the .venv directory. Run the unit tests by doing:
./run_tests.sh
The first time you run them, you will be asked if you want to create a virtual environment (hit “y”):
No virtual environment found...create one? (Y/n)
See Unit Tests for more details.
You can manually install the virtual environment instead of having run_tests.sh do it for you:
python tools/install_venv.py
This will install all of the Python packages listed in the tools/pip-requires file into your virtualenv. There will also be some additional packages (pip, distribute, greenlet) that are installed by the tools/install_venv.py file into the virutalenv.
If all goes well, you should get a message something like this:
Nova development environment setup is complete.
To activate the Nova virtualenv for the extent of your current shell session you can run:
$ source .venv/bin/activate
Or, if you prefer, you can run commands in the virtualenv on a case by case basis by running:
$ tools/with_venv.sh <your command>
Once your work is complete you may wish to contribute it to the project. Add your name and email address to the Authors file, and also to the .mailmap file if you use multiple email addresses. Your contributions can not be merged into trunk unless you are listed in the Authors file. Nova uses the Gerrit code review system. For information on how to submit your branch to Gerrit, see GerritWorkflow.


It is now 11:58 p.m. June 5th 2002, and I have a nice brew of wormwood tea sitting in a bowl in front of me. I have only taken a few sips so far, so I will come back to this when the consumption process is finished and I feel the effects a little more. There's about a full glass' worth of it, and I put in about 10 tbsp of sugar, because this stuff is super super bitter.
Last night I attempted making some but I didn't steep it in boiling water, rather I steeped it in room temperature water, because I read from certain sources that the active ingredients in wormwood are very sensitive to heat and can be destroyed very easily. However, earlier tonight, I read from another source, with many many good references, that the correct way is to pour boiling water over it and let it sit like that for about 10-15 minutes. There is definitely a difference in this drink compared to last night's. This one seems Way more potent. I've also tried smoking it but that doesn't seem to work, unless you have to smoke tons of it which is just a waste. Its funny how different sources on brewing this stuff can be completely opposite each other. That also goes for absinthe as well.
Anyways, the taste of this stuff is very interesting, and unlike anything I've tasted before. I put so much sugar in it that you couldn't possibly not noticed the extreme sweetness. But the pervasiveness of the bitterness is so much that it balances out very strangely. Its disgusting and delicious at the same time. I know how much I'm rambling on but I haven't finished my drink yet! It just shows how eager I am to submit a report and convey my own personal reaction to this herb.
I am nearly finished with my drink now and am already beginning to notice its effects. Everything I see has a softer quality to it. I have a slight stomach ache but nothing serious. With every sip I notice the bitterness more than the sweetness, but its still not too bad. Right now I'm going to get up and move around and get my blood circulating.
Ok, it is now 12:47 p.m. June 13th. After looking through a Salvador Dali book, I walked around my house for a bit. The effects are definitely arising, although very subtle. I am noticing the dimensions of the rooms are more well defined. I was observing a curtain in my living room with a flower pattern. There are no visual hallucinations yet, but while looking at the lovely floral designs on this curtain, I felt I could account for the pattern better as a whole, and not just looking at one space of it, and scanning across it with my eyes like that.
Its hard to describe. My peripheral vision seems more like normal vision, like where I'm not looking, I am looking. I can feel a fuzzy warm feeling around my body, not inside, but around me, like a hazy glow has formed. My vision also has a fuzziness to it, but I can see quite clearly. There doesn't seem to be much more to note at this time, except that my short term memory is slightly impaired. So far the experience has been pretty disappointing. My next experiment with wormwood will be for making absinthe, but for that I need to find a source with the correct recipe.
Experience Reports are the writings and opinions of the individual authors who submit them.
Some of the activities described are dangerous and/or illegal and none are recommended by Erowid.


The concept design represents a suite of complementary water solutions that addresses water supply, quality and management as well as sanitation. It also represents an idea of a modular superblock housing arrangement, inspired by the Emu ku’emu concept. While the design arrangements and technologies presented below address several water issues within Katanga, each of them also bear an impact on overall affordability.
Click on the red dots in the illustrations to read a description and key benefits of each solution.
Figure 1. Water solutions at the household level
- Pathway drainage culverts
- Rainwater harvesting
- Household water filters
- Connection to piped water
- Urine diverting dry toilets
- Connection to centralised sanitation system
Figure 2. Modular superblock co-housing concept and related water solutions
- Modular superblock
- Water taps
- Pathway drainage culverts
- Urban greening
- Rainwater harvesting
- Shared latrine
- Connection to centralised sanitation system
Figure 3. Modular superblocks and wetland installations in central drainage channel
- Pathway drainage culverts
- Modular superblocks
- Wetland installations
While these solutions have been developed with local implementation in mind, they are not solely limited to Katanga and could be used in any combination in similar contexts within Kampala and beyond.
Rainwater harvesting
Water supply
Kampala’s climate includes high annual rainfall through two rainy seasons. Installation of new sloped, household roofs provides an opportunity to harvest rainwater using gutters and a collection tank. Harvested water can be used for washing, gardening, and other non-potable uses.
- Reduces amount of water purchased from taps or outside sources
- Increases community resilience by providing independent supply of water
- Has high initial installation costs, but low maintenance costs
- Could increase potential for new water-intensive activities such as urban farming
- Does not require coordination with city authorities or organisations for implementation
Pathway drainage culverts
Drainage
Formalising the use of main pathways and alleys as drainage channels by installing drainage culverts. This does not obstruct the existing flow of runoff, but contains it underneath the surface. This will also improve the accessibility of Katanga by flattening the uneven ground along the centre of the pathway.
- Reduces flooding and erosion from rain runoff
- Reduces pollution flowing to main channel
- Potential underground channel to house sanitation service lines
- Improves mobility along pathways of Katanga
Household water filters
Water quality
Household-scale water filters, such as the VepoX system, allow families to disinfect water from taps or rainwater harvesting for drinking water.
- Affordable initial product (5 USD/20.000 UGS) and filter replacement costs
- Low maintenance needs of filter replacement every 4 months
- Filters up to one jerrycan (20L) of water in 15 minutes
- Can be used continuously with no limit to use
- Designed to use local materials and address needs of Katanga residents
- Saves fuel and is more reliable than water boiling
Connection to piped water (Water taps)
Water supply
Connection to the centralized city water supply would allow the installation of meter taps within Katanga. Taps can be installed within each ‘modular superblock’ to reduce the total amount of connections and allow cost sharing between a coalition of 4-6 households.
- Improve access to water for families across Katanga
- Installation costs absorbed by coordinating body, rather than individual households
- Increases resilience of Katanga by reducing reliability on existing sources
- Likely the cheapest option per household when costs are shared
Connection to centralised sanitation system
Sanitation
Connection to the centralised city sanitation and water treatment system would allow for the potential to install low-flush toilets in Katanga. These connections would need to be installed in coordination with city utilities and would remove waste to be treated at the water treatment plant.
- Improve sanitation for families across Katanga
- Installation costs absorbed by coordinating body
Urine diverting dry toilet
Sanitation
Urine diverting dry toilets (UDDTs) are latrine alternatives that separate the collection of urine and solid waste without using water. UDDTs can be constructed with local materials and are suitable for flood-prone areas such as Katanga. The latrines can be installed as part of the ‘modular super-block’ to share costs between a coalition of 4-6 households and reduce the amount of installations.
- Can be constructed and repaired with local materials
- No water use needed
- Small land requirement
- Long service life (as it can be safely emptied)
- Dried waste can potentially be used for fertiliser
- Urine should be diverted through wetland water treatment
- Suitable for flood-prone and high-groundwater areas
- Low odour, making them suitable for use near residences
Pathway drainage culverts
Drainage
Formalising the use of main pathways and alleys as drainage channels by installing drainage culverts. This does not obstruct the existing flow of runoff, but contains it underneath the surface. This will also improve the accessibility of Katanga by flattening the uneven ground along the centre of the pathway.
- Reduces flooding and erosion from rain runoff
- Reduces pollution flowing to main channel
- Potential underground channel to house sanitation service lines
- Improves mobility along pathways of Katanga
Water taps
Water supply
Connection to the centralized city water supply would allow the installation of meter taps within Katanga. Taps can be installed within each ‘modular superblock’ to reduce the total amount of connections and allow cost sharing between a coalition of 4-6 households.
- Improve access to water for families across Katanga
- Installation costs absorbed by coordinating body, rather than individual households
- Increases resilience of Katanga by reducing reliability on existing sources
- Likely the cheapest option per household when costs are shared
Modular superblock
A superblock configuration of houses creates residential courtyard spaces that allows the adjacent families to share facilities. With their common courtyards and shared infrastructure, the superblock concept could allow for the formation of housing cooperatives. This cooperative ownership mechanism could lower the individual cost of access for many services and solutions proposed in Project Amaka.
- Provide private and secure outdoor space for families
- Allow for individual water taps and latrines to service multiple families
- Reduces costs of services and facilities for individual families
- Increases community cohesion and cooperation between neighbors
Connection to centralised sanitation system
Sanitation
Connection to the centralised city sanitation and water treatment system would allow for the potential to install low-flush toilets in Katanga. These connections would need to be installed in coordination with city utilities and would remove waste to be treated at the water treatment plant.
- Improve sanitation for families across Katanga
- Installation costs absorbed by coordinating body
Urban greening
As a dense and unplanned settlement, Katanga is suffering from a severe lack of vegetation or green space. Vegetation provides many environmental and social benefits for communities. The space created by the Emu ku’emu and the superblock courtyards provides an opportunity to increase the amount of trees and vegetation. The courtyards and elevated open space could also support urban gardening. Urban gardening can help promote food security, nutrition and a source of income for residents.
- Societal and health improvements associated with increase in urban greening
- Trees and vegetation help reduce air pollution, water pollution, flooding and erosion.
- Nature-based solutions can help passively increase urban greening
Rainwater harvesting
Water supply
Kampala’s climate includes high annual rainfall through two rainy seasons. Installation of new sloped, household roofs provides an opportunity to harvest rainwater using gutters and a collection tank. Harvested water can be used for washing, gardening, and other non-potable uses.
- Reduces amount of water purchased from taps or outside sources
- Increases community resilience by providing independent supply of water
- Has high initial installation costs, but low maintenance costs
- Could increase potential for new water-intensive activities such as urban farming
- Does not require coordination with city authorities or organisations for implementation


goog.ui.media.FlickrSet.getInstance
-, that knows how to
render Flickr sets. It is designed to be used with a goog.ui.Control,
which will actually control the media renderer and provide the
goog.ui.Component base. This design guarantees that all different
types of medias will behave alike but will look different.
goog.ui.media.FlickrSet expects a goog.ui.media.FlickrSetModel
on
goog.ui.Control.getModel
as data models, and renders a flash object
that will show the contents of that set.
Example of usage:
var flickrSet = goog.ui.media.FlickrSetModel.newInstance(flickrSetUrl); goog.ui.media.FlickrSet.newControl(flickrSet).render();FlickrSet medias currently support the following states:
video.setEnabled(true); video.setHighlighted(true); video.setSelected(true);
goog.ui.media.Media
instances and renders
it. It expects goog.ui.media.Media.getModel
to return a well formed,
previously constructed, set id goog.ui.media.FlickrSet.parseUrl,
which is the data model this renderer will use to construct the DOM
structure. goog.ui.media.FlickrSet.newControl for a example of
constructing a control with this renderer.
This design is patterned after
http://go/closure_control_subclassing
It uses goog.ui.media.FlashObject to embed the flash object.goog.ui.media.FlickrAlbum
media data model. It stores a required
userId
and setId
fields, sets the flickr Set URL, and
allows a few optional parameters.|
Takes a flickr username and set id and returns an URL.
|
code » | ||||
|
goog.ui.media.FlickrSetModel.matcher_()
Regular expression used to extract the username and set id out of the flickr
URLs.
Copied from http://go/markdownlite.js and FlickrExtractor.xml.
|
code » | ||||
|
A static convenient method to construct a goog.ui.media.Media control out of
a FlickrSet URL. It extracts the set id information on the URL, sets it
as the data model goog.ui.media.FlickrSet renderer uses, sets the states
supported by the renderer, and returns a Control that binds everything
together. This is what you should be using for constructing FlickrSet videos,
except if you need more fine control over the configuration.
Arguments:
Returns:
A Control binded to the FlickrSet renderer.
|
code » | ||||
|
goog.ui.media.FlickrSetModel.newInstance(flickrSetUrl, opt_caption, opt_description)
⇒
Takes a
flickrSetUrl and extracts the flickr username and set id.
Arguments:
Returns:
The data model that represents the Flickr set.
|
code » | ||||
|
goog.ui.media.FlickrSet.setFlashUrl(flashUrl)
A static method that sets which flash URL this class should use.
Arguments:
|
code » |


pod2usage - print usage messages from embedded pod docs in files
- pod2usage
- [-help] [-man] [-exit exitval]
[-output outfile] [-verbose level]
[-pathlist dirlist] [-formatter module]
[-utf8] file
- -help
- Print a brief help message and exit.
- -man
- Print this command's manual page and exit.
- -exit exitval
- The exit status value to return.
- -output outfile
- The output file to print to. If the special names "-" or
">&1" or ">&STDOUT" are used then
standard output is used. If ">&2" or
">&STDERR" is used then standard error is used.
- -verbose level
- The desired level of verbosity to use:
1 : print SYNOPSIS only
2 : print SYNOPSIS sections and any OPTIONS/ARGUMENTS sections
3 : print the entire manpage (similar to running pod2text)
- -pathlist dirlist
- Specifies one or more directories to search for the input file if it was
not supplied with an absolute path. Each directory path in the given list
should be separated by a ':' on Unix (';' on MSWin32 and DOS).
- -formatter module
- Which text formatter to use. Default is Pod::Text, or for very old Perl
versions Pod::PlainText. An alternative would be e.g.
Pod::Text::Termcap.
- -utf8
- This option assumes that the formatter (see above) understands the option
"utf8". It turns on generation of utf8 output.
- file
- The pathname of a file containing pod documentation to be output in usage
message format (defaults to standard input).
pod2usage will read the given input file looking for pod documentation
and will print the corresponding usage message. If no input file is specified
then standard input is read.
pod2usage invokes the pod2usage()
function in the Pod::Usage module. Please see
"pod2usage()" in Pod::Usage.
Please report bugs using <http://rt.cpan.org>.
Brad Appleton<EMAIL_ADDRESS>Based on code for pod2text(1) written by Tom
Christiansen <tchrist@mox.perl.com>


By marking this detail as finished, you are certifying that you finished it to the best of your abilities before the due date, and notified the detail manager or house manager via email of any problems that arose.
Lying here may constitute Conduct Unbecoming of a Brother.
If you submit this accidentally, just let the detail manager know as soon as possible.


Liverpool's Alexander-Arnold eyes captain's armband
Liverpool right back Trent Alexander-Arnold has already played in two Champions League finals and is set to make his 100th appearance for the club on Saturday and the 21-year-old now has his sights set on the captain's armband.
REUTERS: Liverpool right back Trent Alexander-Arnold has already played in two Champions League finals and is set to make his 100th appearance for the club on Saturday and the 21-year-old now has his sights set on the captain's armband.
"I am not shy in saying that (being Liverpool captain) is a dream for me," he said in an interview with the BBC https://www.bbc.com/sport/football/50250019.
"Whether it comes true or not is not up to me. I don't pick who is captain.
"But that is something I would love to do one day. Captaining Liverpool is something I have always dreamed of and it is something that motivates me."
Alexander-Arnold grew up in the city and entered the club's academy at the age of six. He has no thoughts about playing anywhere else.
"I've always been a Liverpool player, Liverpool has always been my home," he added. "I have never thought about changing clubs.
"When I grew up, the dream was always to play for Liverpool. Now I am living the dream and I can't see that changing."
Liverpool face Aston Villa in the Premier League on Saturday.
(Reporting by Rohith Nair in Bengaluru; Editing by Peter Rutherford)


And I have promised to bring you up out of your misery in Egypt into the land of the Canaanites, Hittites, Amorites, Perizzites, Hivites and Jebusites--a land flowing with milk and honey.
See, I have given you this land. Go in and take possession of the land that the LORD swore he would give to your fathers—to Abraham, Isaac and Jacob—and to their descendants after them.
I just want to do God's will. And He's allowed me to go up to the mountain. And I've looked over. And I've seen the Promised Land. I may not get there with you. But I want you to know tonight, that we, as a people, will get to the Promised Land. So I'm happy, tonight. I'm not worried about anything. I'm not fearing any man. Mine eyes have seen the glory of the coming of the Lord.


Logging PracticesBeing a library HttpClient is not to dictate which logging framework the user has to use. Therefore HttpClient utilizes the logging interface provided by the Jakarta Commons Logging package. Commons Logging provides a simple and generalized log interface to various logging packages. By using Commons Logging, HttpClient can be configured for a variety of different logging behaviours. That means the user will have to make a choice which logging framework to use. By default Commons Logging supports the following logging frameworks:
HttpClient performs two different kinds of logging: the standard context logging used within each class, and wire logging. Context Logging
Context logging contains information about the internal operation
of HttpClient as it performs HTTP requests. Each class has its own
log named according to the class's fully qualified name. For example
the class Wire LoggingThe wire log is used to log all data transmitted to and from servers when executing HTTP requests. This log should only be enabled to debug problems, as it will produce an extremely large amount of log data, some of it in binary format.
Because the content of HTTP requests is usually less important for debugging
than the HTTP headers, these two types of data have been separated into
different wire logs. The content log is Configuration ExamplesCommons Logging can delegate to a variety of loggers for processing the actual output. Below are configuration examples for Commons Logging, Log4j and java.util.logging. Commons Logging Examples
Commons Logging comes with a basic logger called
Note: The system properties must be set before a reference to any Commons Logging class is made.
Enable header wire + context logging - Best for Debugging System.setProperty("org.apache.commons.logging.Log", "org.apache.commons.logging.impl.SimpleLog");
Enable full wire(header and content) + context logging System.setProperty("org.apache.commons.logging.Log", "org.apache.commons.logging.impl.SimpleLog");
Enable just context logging System.setProperty("org.apache.commons.logging.Log", "org.apache.commons.logging.impl.SimpleLog"); Log4j ExamplesThe simplest way to configure Log4j is via a log4j.properties file. Log4j will automatically read and configure itself using a file named log4j.properties when it's present at the root of the application classpath. Below are some Log4j configuration examples. Note: Log4j is not included in the HttpClient distribution.
Enable header wire + context logging - Best for Debugging log4j.rootLogger=INFO, stdout
Enable full wire(header and content) + context logging log4j.rootLogger=INFO, stdout
Log wire to file + context logging log4j.rootLogger=INFO
Enable just context logging log4j.rootLogger=INFO, stdout Note that the default configuration for Log4J is very inefficient as it causes all the logging information to be generated but not actually sent anywhere. The Log4J manual is the best reference for how to configure Log4J. It is available at http://logging.apache.org/log4j/docs/manual.html java.util.logging Examples
Since JDK 1.4 there has been a package
java.util.logging that provides a
logging framework similar to Log4J. By default it reads a config file from
handlers=java.util.logging.ConsoleHandlerTo customize logging a custom logging.properties file should be created
in the project directory. The location of this file must be passed to the JVM as a
system property. This can be done on the command line like so:
$JAVA_HOME/java -Djava.util.logging.config.file=$HOME/myapp/logging.properties -classpath $HOME/myapp/target/classes com.myapp.MainAlternatively LogManager#readConfiguration(InputStream) can be used to pass it the desired configuration.
Enable header wire + context logging - Best for Debugging .level=INFO
Enable full wire(header and content) + context logging .level=INFO
Enable just context logging .level=INFO More detailed information is available from the Java Logging documentation. |


[name] contains spline and Bézier functions internally used by concrete curve classes.
t -- interpolation weight.
p0, p1, p2, p3 -- the points defining the spline curve.
Used internally by [page:SplineCurve SplineCurve].
t -- interpolation weight.
p0, p1, p2 -- the starting, control and end points defining the curve.
Used internally by [page:QuadraticBezierCurve3 QuadraticBezierCurve3] and
[page:QuadraticBezierCurve QuadraticBezierCurve].
t -- interpolation weight.
p0, p1, p2, p3 -- the starting, control(twice) and end points defining the
curve.
Used internally by [page:CubicBezierCurve3 CubicBezierCurve3] and
[page:CubicBezierCurve CubicBezierCurve].
[link:https://github.com/mrdoob/three.js/blob/master/src/[path].js src/[path].js]


|
The Runaway Jury
by Kandel G. Eaton
God, grant me the serenity
to accept the things I cannot change,
the courage to change the things I can,
and the wisdom to know the difference.
--the Serenity Prayer of
Alcoholics Anonymous
As an avid fan of anything
written by John Grisham, I was drunk on human sensation and heart-pounding
danger. Insurance corporations, angry mobs, the mob, anti-establishment
sentiment, assaults, disease and explosions, are all classic
Grisham themes. The Runaway Jury is excellently produced,
directed and best of all, written. It considers the most mundane
of civic tasks, jury duty, which is as loathsome and inescapable
to us as our daily chores.
The
film challenges our common "oops, missed it" attitude
about jury duty. And since the film, I've personally discovered
the devil in legal process details, and have yet to stop thinking
about these characters who have been smoothly shaken (not stirred)
by sophisticated individual agendas.
The film opens with a disgruntled
ex-stock broker gunning down his colleagues, as seen from the
life of Jacob Woods. Dylan McDermott plays the slaughtered victim,
who, ironically, was unceremoniously dumped from the Practice,
a TV show now irredeemable from its glorious past. The Runaway
Jury also seeks to redeem its violent past. It adds many
coincidences of incidents that parallel real life, giving them
greater unpredictable dimension. The audience's attention over
hunger and thirst is ignored to focus in on its presented issues:
Columbine-type flashbacks, unreported legal ethical violations
by all parties, and invasions of privacy no government would
even think of perpetrating. It is a thrilling sleeper that has
me hooked!
Money, as always, is the driving force. It is a curse and addiction,
made before by buying a movie ticket and necessary evil for a
happy-ever-after box office ending. The film has lived up to
its Hollywood hype, but unfortunately the audience isn't buying
it in the theater venue. This same philosophic view, ironically,
has been put forth inside the film.
As the character Rankin Fitch
says "Trials are too important to be left up to juries."
This latest masterwork of film is NOT for people who can't think
for themselves. They won't appreciate the artistry and talent
it took to bring this dull and witless topic to life. All the
characters keep the audience wondering what will happen next
because they each have so many choices to make, even after they
have decided on their particular course of action.
The chameleon protagonist Marlee/Gabrielle portrayed by Rachel
Weisz adds a brilliant touch of elegance, and another member
to Grisham's growing list of intelligent female characters (at
last!). Its true drama involves planted juror Nick Easter (deftly
played by coy John Cusack) vs. jury consultant Rankin Fitch (this
role is owned by classic humanitur Gene Hackman), not the widow
Woods employing New Orleans homeboy Wendell Rohr (guilessly played
by the effervescent Dustin Hoffman) to sue the gun manufacturers
for loss of consortium.
There are no settlements here,
which probably is what would have happened in a real courtroom.
Our deepest fears about lawyers have been illuminated by the
lack of importance the courtroom has in the film. All the attorneys
put other interests first, and serve their clients only to the
extent they profit from such contact. This film is a testimonial
to the survival of the most greedy.
The Runaway Jury ham-handedly deals with gun manufacturers.
Oddly none of the characters makes any use of a gun. They break
walls and smash windows, set fires, destroy equipment, stalk,
photograph, phone, threaten, bribe with millions and cajole at
their whims, but not one of the main characters wields a gun.
The hot topic of gun control is second to the perpetual confrontations
of the characters. As anti-climatic as it may be, selling guns
is the raison d'etre for the manipulations to gain power, revenge,
and money. But this is only briefly explained after the case
is won.
The same trial-style has been
done in real life with tobacco cases, and less successfully with
pharmaceuticals and alcohol lawsuits. The end of this case is
just another moment in a judicial process that can't live up
to its promise because its participants see the case only as
their opportunity to cash in.
The sides in this film are
given early on, the audience need only ponder the "what-ifs,"
therein eagerly to participate and explore further into its issues.
As with all Hollywood endings, the entirety of fixing a jury
without being caught comes down to a conscience with multiple
directions (similar to string theory in the field of physics)
and an astonishing lack of universality that barely avoids preachy
moralism. Being right wins the case, retiring the evil and cashing
in all in one fell swoop relieves some pain and suffering of
the past.
Each victory is fragile and
temporary, as life is, as human beings are.
The Serenity Prayer goes on: "Living one day at a time,
enjoying one moment at a time, accepting hardship as the pathway
to peace. Taking, as He did, this sinful world as it is, not
as I would have it. Trusting that He will make all things right
if I surrender to His will. That I may be reasonably happy in
this life, and supremely happy with Him forever in the next.
Amen."
Then, again, for further subornation
of process, there is always the
appeal....
Posted November 5, 2003
|


Did you mean IFS=$'\t' ?
IFS="\t"
IFS=$'\t'
or POSIX:
IFS="$(printf '\t')"
IFS="\t"
splits on backslash and the letter "t". IFS=$'\t'
splits on tab.
It's extremely rare to want to split on the letter "n" or "t", rather than linefeed or tab.


Before Change
def get_filename(db, submission_id):
submission = db.submissions.find_one({"_id": ObjectId(submission_id)})
fname = submission.get("filename", None)
user = submission.get("username", None)
if fname and user:
return "{}/{}".format(user, fname), fname
return None
def download_submission(db, submission_id):
After Change
results = cursor.fetchone()
filename = results[0]
user_id = results[1]
query = "SELECT username FROM users WHERE id = "{}"".format(user_id)
cursor.execute(query)
username = cursor.fetchone()[0]
cursor.close()
return "{}/{}".format(username, filename), filename


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Typicons icons
Icons
Typicons icons
Typicons icons
Simply beautiful open source icons. For more info
click here
.
<i class="typcn typcn-ICON_NAME"></i>


@(activity: List[WitnessActivity])(implicit request: RequestHeader)
Nothing to see here at the moment.


Objective:
To take a position as a software engineer.
Experience:
Help Desk Technician, University of the Cordilleras(2009)
- Provide networking and desktop support, account maintenance and printing assistance to students and faculty.
- Troubleshoot and resolve complex technology problems as the go-to person for IT issues.
Junior Developer, Software Company (2010 - Present)
- Designed and implemented end-user features for Flagship Product
- Wrote third-party JavaScript and Ruby libraries
Skills:
Languages: C#, JavaScript, Python, Ruby
Frameworks: .NET, Node.js, Django, Ruby on Rails
Education:
BS in Infromation Technology, University of the Cordilleras
- Award for best senior thesis
- GPA: 3.8


Before Change
competition_id = competition["_id"]
// open file
with open(file_path, "rb") as fp:
// upload file
file_res = requests.Request("PUT", signed_url, data=fp.read())
prepared_file_res = file_res.prepare()
req_session = requests.Session()
res_prepped = req_session.send(prepared_file_res)
res_prepped.raise_for_status()
// get submission URL
sub_url = self.__get_url("submissions")
// construct submission data
sub_data = {
"competition_id": competition_id,
After Change
submission_resp = self._call(auth_query, variable, authorization=True)
submission_auth = submission_resp["data"]["submission_upload_auth"]
file_object = open(file_path, "rb").read()
requests.put(submission_auth["url"], data=file_object)
create_query = \
"""
mutation($filename: String!) {
create_submission(filename: $filename) {


word ThreadGetInfo( ThreadHandle th, /* thread to get information about */ ThreadGetInfoType info); /* type of information to get */
This routine gets information about the specified thread. The information desired is specified in the
info
parameter; the subject thread is specified in the
th
parameter. If the thread handle passed is zero or a null handle, the routine will return information about the calling thread.
The
info
parameter is one of the following values of
ThreadGetInfoType
, specifying the type of information to be returned by
ThreadGetInfo()
:
th
parameter is zero, this will return the thread handle of the subject thread. If
th
is zero, the handle of the calling thread will be returned.
th
. If the thread specified is not event-driven, a null queue handle will be returned.Include: thread.h
void ThreadGrabThreadLock( ThreadLockHandle sem); /* thread lock to grab */
This routine attempts to grab the thread lock for the calling thread. If the thread lock is currently held by another thread, the caller will block until the lock becomes available. If the caller already has the thread lock, it will grab the lock again and continue executing.
Be Sure To: Thread locks must be released with
ThreadReleaseThreadLock()
once for each time they are grabbed.
Warnings: This routine provides no deadlock protection for multiple threads. If multiple threads will be grabbing multiple thread locks, the locks should always be grabbed in the same order to minimize the potential for deadlock.
Include: sem.h
See Also: ThreadAllocThreadLock()
,
ThreadReleaseThreadLock()
.
void ThreadHandleException( ThreadHandle th, /* thread to handle the exception */ ThreadExceptions exception, /* exception to handle */ void (*handler) ()); /* pointer to handler */
This routine allows a thread to set up a handler for a processor exception. This can be useful for debugging purposes. Pass the following three parameters:
th
exception
ThreadException
type (see below).
handler
Structures: The
ThreadException
type has the following values:
TE_DIVIDE_BY_ZERO TE_OVERFLOW TE_BOUND TE_FPU_EXCEPTION TE_SINGLE_STEP TE_BREAKPOINT
Include: thread.h
void ThreadModify( ThreadHandle th, /* thread to modify */ word newBasePriority, /* thread's new base priority */ ThreadModifyFlags flags); /* flags (see below) */
This routine modifies the priority of the specified thread. Use it to either set the base priority of the thread or reset the current CPU usage to zero. The parameters should have the following values:
th
newBasePriority
ThreadCreate()
--or use a value between zero and 255.
flags
ThreadModifyFlags
; pass TMF_BASE_PRIO to change the thread's base priority or TMF_ZERO_USAGE to reset the thread's recent CPU usage to zero.Warnings: Unless the thread is timing-critical, you should not set the base priority to zero.
Include: thread.h
word ThreadPrivAlloc( word wordsRequested, /* number of words to allocate */ GeodeHandle owner); /* handle of geode to own data */
This routine allocates a number of contiguous words in the private data of all geodes (loaded and yet-to-be loaded). It is exactly the same as
GeodePrivAlloc()
; see the entry for that routine.
Include: thread.h
See Also: GeodePrivAlloc()
.
void ThreadPrivFree( word range, /* offset to first word to be freed */ word wordsRequested); /* number of words to free */
This routine frees a number of contiguous private-data words previously allocated with
ThreadPrivAlloc()
. It is similar to
GeodePrivFree()
; see the entry for that routine for full information.
Include: thread.h
See Also: GeodePrivFree()
.


A component framework.
Feather-Ts is a light-weight and easily extendable ui framework written in TypeScript. You can use it to write embeddable components or single page applications for mobile and desktop alike. Regardless of its tiny footprint it is self-contained and provides templating, routing, messaging, event handling and rest api integration out of the box.
It relies heavily on decorators and grants the developer the freedom to subclass their components from anything they want. Further more it has logic-less templates with a very simple binding syntax and no virtual dom diffing overhead. It is targeted at developers who are tired of the bloat and unnecessary complexity that has spread into frontend development. If you enjoy talking about actions, intents, drivers, watchers, observables or sinks then feather-ts might not be for you.
Unlike many other frameworks feather doesn’t utilize a virtual dom. This has pros and cons that you should consider before starting a project. It does not provide server-side rendering by itself, but this can be achieved with many other ready-made solutions. On the upside all dom calls are synchronous and you can write ui tests against the real dom without having to wait for the render loop to complete.
The framework offers the following features:
- Written in TypeScript
- Routing via hash or history API
- Easy REST consumption
- Pure HTML templates without logic and a very simple binding syntax
- Event delegation out of the box
- Integrated media-query and element query support in components
- Runs in all major ever-green browsers (IE11 needs polyfills)
- Generates clean HTML without any trace of the framework
- No need to wrap your data objects or use awkward factories
- Component mixins on a single dom node
- Tiny (around 10kb gzipped)
Feather is a back to the basics tool and tries to make coding SPAs fun again. If you come back to your code months from now, you won’t have to wonder what you did to make the framework work or how the data flow was going. The code is flat and reduced to your own business logic without any dogmatic constructs.
Intellij IDEA
Feather comes with an own IDE plugin to help you with syntax highlighting and mistyped references. Grab it from the link or the official plugin repository.
Differences to other frameworks
Foremost Feather-Ts is complete: it handles data observables, routing and component messaging out of the box, provides tools to fetch REST data from the server and offers convenient ways to write responsive components.
Another big difference to virtual dom libraries is that your components can
be mixed together. Usually frameworks map from a custom tag to a component class.
In feather you can bind components to CSS selectors, which means you can split
different logical parts into own components and mix them together in a single
tag: <div class="clickable open-in-viewport hide-on-scroll">
where each of the
classes will encapsulate own behavioral logic.
Furthermore Feather components don’t have to extend from a framework class. There are only two interfaces to implement from and the data models are observed as they come without any library wrappers.
And lastly the template language is logic-less, which makes the templates easy to read, unlike jsx that clutters over time with maps, ternary operators and passed down properties. You can also render the same component with different templates. The binding syntax is very simple and you don’t need to learn any new custom attributes for it.
Feel free to inspect the following code and see for yourself how much you understand of it, without having even read the full documentation.


{% extends 'base.html' %} {% block content %} {% if saved %}
The following record has been {% if created %}added{% else %}updated{% endif %}:
{{ issuer }} has given instruction to {{ holder|join:", " }} for use of {{ machines|join:", " }} {{ issuer.first_name }} trust {{ holder.first_name }} to use this machine properly and safely.
Thanks for help us grow the makerspace !
Record the instruction you've just given.
{% endif %} {% endif %} {% endblock %}


"SHEPHATIAH "judged of the Lord. (1.) A son of David by Abital (2 Samuel 3:4). (2.) A Benjamite who joined David at Ziklag (1 Chronicles 12:5). (3.) A Simeonite prince in David’s time (1 Chronicles 27:16). (4.) One of Jehoshaphat’s sons (2 Chronicles 21:2). (5.) Ezra 2:4. (6.) Ezra 2:57; Nehemiah 7:59. (7.) One of the princes who urged the putting of Jeremiah to death(Jeremiah 38:1-4).
"SHEPHATIAH "judged of the Lord. (1.) A son of David by Abital (2 Samuel 3:4).
(2.) A Benjamite who joined David at Ziklag (1 Chronicles 12:5).
(3.) A Simeonite prince in David’s time (1 Chronicles 27:16).
(4.) One of Jehoshaphat’s sons (2 Chronicles 21:2).
(5.) Ezra 2:4.
(6.) Ezra 2:57; Nehemiah 7:59.
(7.) One of the princes who urged the putting of Jeremiah to death(Jeremiah 38:1-4).


Preparation time
overnight
Cooking time
over 2 hours
Serves
Serves 4
Delicious tamarind marinated pork, slow roasted, served with mince-filled baked red onions.
Smear the ribs with the marinade ingredients mixed together in a bowl. Cover the bowl with cling film and leave to marinate in the fridge for at least 24 hours (the longer the better).
Preheat the oven to 190C/375F/Gas 5. Transfer the marinated ribs to a baking or roasting tin and cook for 30 mins, basting as they are cooking.
Turn the oven down to 160C/325F/Gas 3, cover the tray with foil and continue cooking and basting for another hour, then remove the foil and cook, basting regularly, for a further 30-45 minutes.
Remove the ribs from the oven, cover and keep warm until ready to serve.
For the stuffed onions, preheat the oven to 200C/400F/Gas 6.
Wrap the onions in foil, stand them on a baking tray and bake for about 45-50 minutes, or until they are fairly soft. Remove from the oven, take off the foil and leave to cool a little.
Meanwhile, prepare the stuffing. Melt the butter in a frying pan. Season the pork with salt, pepper and ground cumin, add to the pan and fry over a medium heat for a few minutes, stirring, until lightly coloured. Add 125ml/4½fl oz water and simmer gently for about 10 minutes or until the water has evaporated. Transfer to a bowl and leave to cool.
Once the onions are cool enough to handle, chop about 1cm/½in off the top of each, then carefully remove the skins, keeping the onions intact. Scoop out the centre of each onion with a spoon, leaving a couple of layers of flesh to hold them together. Reserve both the onion tops and scooped flesh.
Finely chop the scooped onion flesh and mix it together with the pork, breadcrumbs and parsley. Season to taste. Spoon the filling into the onions and replace the tops. Place on a baking tray, brush with oil and bake for about 15-20 minutes, until the onions are lightly-coloured and the filling is hot.


What is the best way to deal with encoding issues in forms that may use multiple languages and scripts?
The best way to deal with encoding issues in HTML forms is to serve all your pages in UTF-8. UTF-8 can represent the characters of the widest range of languages. Browsers send back form data in the same encoding as the page containing the form, so the user can fill in data in whatever language and script they need to.
There are a few details to make sure this approach works well. First, it is important to tell the browser that the form page is in UTF-8. There are various ways to tell the browser about the encoding of your page. This is important in any case, but even more so if your form page itself doesn't contain any characters outside US-ASCII, but your users may type in such characters.
Second, it may be a good idea for the script that receives the form data to check that the data returned indeed uses UTF-8 (in case something went wrong, e.g. the user changed the encoding). Checking is possible because UTF-8 has a very specific byte-pattern not seen in any other encoding. If non-UTF-8 data is received, an error message should be sent back.
As an example, in Perl, a regular expression testing for UTF-8 may look as follows:
This expression can be adapted to other programming languages. It takes care of various issues, such as illegal overlong encodings and
illegal use of surrogates. It will return true if $field
is UTF-8, and false otherwise.
The above regular expression can be tailored by adding application-related restrictions. As an example, many control characters can be excluded by replacing [\x00-\x7F]
with [\x09\x0A\x0D\x20-\x7E]
.
Related links, Authoring HTML & CSS


--- title: description: ---
Contact our team:
{{method.description}}
{{level.description}}
On behalf of University of Nebraska Dance Marathon and Children’s Miracle Network Hospitals, we would like to express our appreciation for your consideration of our cause. We are looking forward to working with you and your business in the future!


Disadvantages of 1on1:
Disadvantages of 360review:
Every All Hands sessions
we have complains
about retaining talents
Idea of continuous review. Points
| Points | Meaning |
|---|---|
| 0 | Under expectation |
| 1 | Expected |
| 2 | Above expectation |
| +1 | Manager can boost points |
Idea of continuous review. Matrix
Each 1on1 manager and employee matching their points
for the the work performed past month
| Manager | 0 | 1 | 2 | |
|---|---|---|---|---|
| Employee | 0 | bad | + | + |
| 1 | - | Ok | + | |
| 2 | - | - | ? |
Idea of continuous review. Cases
| Case | Meaning |
|---|---|
| bad | Both knows that performance was bad |
| Ok | Expected performance |
| ? | Why is it both excepted that |
| - | Lack of vision from employee about delivered value |
| + | Manager power to provide positive feedback |
Besides of that as sign of recognition
manager can provide additional point +1
Idea of continuous review. Cycle
Each cycle we have review points for a cycle as
[0..2]+[0..2]+[0..2]=[0..6+]
| Points | Meaning | Benefit |
|---|---|---|
| 0 | It’s super bad we need to pay extra attention | Review required |
| 1-2 | Slightly under expectations | None |
| 3 | Expected performance | Base benefit |
| 4 | Surpass performance | High tier benefit |
| 5+ | Outgrown position | Reason for review and probably promotion |
Outcome of Continuous Review:


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--- layout: documentation title: CategoriesType ---
Represents a list of incident categories that an incident is tagged with.
| Field Name | Type | Description |
|---|---|---|
| Category1..n | ControlledVocabularyStringType |
Represents a single category that this incident is tagged with. This field is implemented through the xsi:type controlled vocabulary extension mechanism. The default vocabulary type is IncidentCategoryVocab-1.0 in the http://stix.mitre.org/default_vocabularies-1 namespace. This type is defined in the stix_default_vocabularies.xsd file or at the URL http://stix.mitre.org/XMLSchema/default_vocabularies/1.1.1/stix_default_vocabularies.xsd. Users may also define their own vocabulary using the type extension mechanism, specify a vocabulary name and reference using the attributes, or simply use this as a string field. |


Tilt is a thin interface over a bunch of different Ruby template engines in an attempt to make their usage as generic possible. This is useful for web frameworks, static site generators, and other systems that support multiple template engines but don’t want to code for each of them individually.
The following features are supported for all template engines (assuming the feature is relevant to the engine):
* Custom template evaluation scopes / bindings * Ability to pass locals to template evaluation * Support for passing a block to template evaluation for "yield" * Backtraces with correct filenames and line numbers * Template file caching and reloading * Fast, method-based template source compilation
The primary goal is to get all of the things listed above right for all template engines included in the distribution.
Support for these template engines is included with the package:
ENGINE FILE EXTENSIONS REQUIRED LIBRARIES -------------------------- ----------------------- ---------------------------- ERB .erb, .rhtml none (included ruby stdlib) Interpolated String .str none (included ruby core) Erubis .erb, .rhtml, .erubis erubis Haml .haml haml Sass .sass haml (< 3.1) or sass (>= 3.1) Scss .scss haml (< 3.1) or sass (>= 3.1) Less CSS .less less Builder .builder builder Liquid .liquid liquid RDiscount .markdown, .mkd, .md rdiscount Redcarpet .markdown, .mkd, .md redcarpet BlueCloth .markdown, .mkd, .md bluecloth Kramdown .markdown, .mkd, .md kramdown Maruku .markdown, .mkd, .md maruku RedCloth .textile redcloth RDoc .rdoc rdoc Radius .radius radius Markaby .mab markaby Nokogiri .nokogiri nokogiri CoffeeScript .coffee coffee-script (+ javascript) Creole (Wiki markup) .wiki, .creole creole WikiCloth (Wiki markup) .wiki, .mediawiki, .mw wikicloth Yajl .yajl yajl-ruby
These template engines ship with their own Tilt integration:
ENGINE FILE EXTENSIONS REQUIRED LIBRARIES -------------------------- ----------------- ---------------------------- Slim .slim slim (>= 0.7) Embedded JavaScript sprockets Embedded CoffeeScript sprockets JST sprockets
See [TEMPLATES.md][t] for detailed information on template engine options and supported features.
[t]: github.com/rtomayko/tilt/blob/master/TEMPLATES.md
"Tilt Template Engine Documentation"
Basic Usage
Instant gratification:
require 'erb' require 'tilt' template = Tilt.new('templates/foo.erb') => #<Tilt::ERBTemplate @file="templates/foo.rb" ...> output = template.render => "Hello world!"
It’s recommended that calling programs explicitly require template engine libraries (like ‘erb’ above) at load time. Tilt attempts to lazy require the template engine library the first time a template is created but this is prone to error in threaded environments.
The `Tilt` module contains generic implementation classes for all supported template engines. Each template class adheres to the same interface for creation and rendering. In the instant gratification example, we let Tilt determine the template implementation class based on the filename, but `Tilt::Template` implementations can also be used directly:
template = Tilt::HamlTemplate.new('templates/foo.haml') output = template.render
The `render` method takes an optional evaluation scope and locals hash arguments. Here, the template is evaluated within the context of the `Person` object with locals `x` and `y`:
template = Tilt::ERBTemplate.new('templates/foo.erb') joe = Person.find('joe') output = template.render(joe, :x => 35, :y => 42)
If no scope is provided, the template is evaluated within the context of an object created with `Object.new`.
A single `Template` instance’s `render` method may be called multiple times with different scope and locals arguments. Continuing the previous example, we render the same compiled template but this time in jane’s scope:
jane = Person.find('jane') output = template.render(jane, :x => 22, :y => nil)
Blocks can be passed to `render` for templates that support running arbitrary ruby code (usually with some form of `yield`). For instance, assuming the following in `foo.erb`:
Hey <%= yield %>!
The block passed to `render` is called on `yield`:
template = Tilt::ERBTemplate.new('foo.erb') template.render { 'Joe' } # => "Hey Joe!"
Template Mappings
The `Tilt` module includes methods for associating template implementation classes with filename patterns and for locating/instantiating template classes based on those associations.
The `Tilt::register` method associates a filename pattern with a specific template implementation. To use ERB for files ending in a `.bar` extension:
>> Tilt.register Tilt::ERBTemplate, 'bar' >> Tilt.new('views/foo.bar') => #<Tilt::ERBTemplate @file="views/foo.bar" ...>
Retrieving the template class for a file or file extension:
>> Tilt['foo.bar'] => Tilt::ERBTemplate >> Tilt['haml'] => Tilt::HamlTemplate
It’s also possible to register template file mappings that are more specific than a file extension. To use Erubis for `bar.erb` but ERB for all other `.erb` files:
>> Tilt.register Tilt::ErubisTemplate, 'bar.erb' >> Tilt.new('views/foo.erb') => Tilt::ERBTemplate >> Tilt.new('views/bar.erb') => Tilt::ErubisTemplate
The template class is determined by searching for a series of decreasingly specific name patterns. When creating a new template with `Tilt.new(‘views/foo.html.erb’)`, we check for the following template mappings:
1. `views/foo.html.erb` 2. `foo.html.erb` 3. `html.erb` 4. `erb`
### Fallback mode
If there are more than one template class registered for a file extension, Tilt will automatically try to load the version that works on your machine:
1. If any of the template engines has been loaded already: Use that one. 2. If not, it will try to initialize each of the classes with an empty template. 3. Tilt will use the first that doesn't raise an exception. 4. If however *all* of them failed, Tilt will raise the exception of the first template engine, since that was the most preferred one.
Template classes that were registered last would be tried first. Because the Markdown extensions are registered like this:
Tilt.register Tilt::BlueClothTemplate, 'md' Tilt.register Tilt::RDiscountTemplate, 'md'
Tilt will first try RDiscount and then BlueCloth. You could say that RDiscount has a *higher priority* than BlueCloth.
The fallback mode works nicely when you just need to render an ERB or Markdown template, but if you depend on a specific implementation, you should use prefer:
# Prefer BlueCloth for all its registered extensions (markdown, mkd, md) Tilt.prefer Tilt::BlueClothTemplate # Prefer Erubis for .erb only: Tilt.prefer Tilt::ErubisTemplate, 'erb'
When a file extension has a preferred template class, Tilt will always use that class, even if it raises an exception.
Template Compilation
Tilt compiles generated Ruby source code produced by template engines and reuses it on subsequent template invocations. Benchmarks show this yields a 5x-10x performance increase over evaluating the Ruby source on each invocation.
Template compilation is currently supported for these template engines: StringTemplate, ERB, Erubis, Haml, Nokogiri, Builder and Yajl.
LICENSE
Tilt is Copyright © 2010 [Ryan Tomayko](tomayko.com/about) and distributed under the MIT license. See the `COPYING` file for more info.


Chapter 6 SQL
6.1 Intro
SQL stands for structured query language that is designed to facilitate accessing data that is structured into table form. PostgreSQL is a version of SQL that is used in these notes.
6.2 Installation
The method I can easily get to work is by installing through apt
.
It seems also that for some reason the install only works if the version number is specified.
conda install -c conda-forge psycopg2 flask-sqlalchemy flask-migrate
Both the default database user and default database are called postgres, so switch to that user and start psql
.
Then start a server.
I have not been able to get the installation working through a conda install but here is the reference to postgresql.
To quit psql
run \q
.
6.3 Starting Local Database
First set a password for local use.
Initially work with localhost to create a database.
Export the location to the newly created database and connect or connect directly.
or
6.4 Heroku
Install Heroku.
Then running any command should prompt to login to Heroku but the login
command is specific for this.
heroku login
A sample app from heroku can be cloned to test app deployment.
git clone https://github.com/heroku/python-getting-started.git
cd python-getting-started
From within the app directory, create the app on heroku. This will create a new app with a random name, but a name can instead be passed to manually set the app name.
heroku create
The app code can then be committed to the heroku server.
git push heroku master
Pushing the code will deploy the app, but an instance of the app must be then be run.
heroku ps:scale web=1
The app can now be visited on the web.
heroku open
Logs can be viewed of page requests here in a way that will constantly update with each new request.
heroku logs --tail
The Procfile
is a file within the root directory of the application that declares the command that should be executed when the app is started. Typically it contains the following.
web: gunicorn gettingstarted.wsgi --log-file -
6.4.1 Heroku Dynos
Heroku has some introduction to using postgresql with a deployed app. And some more extensive information as well. It also looks like CS50 has some instructions as well.
By default heroku apps are deployed to a single dyno which is like a container that runs the commands specified in the Procfile
. Using a free account will allow a single dyno to be used that will sleep after a half an hour of inactivity. The number of dyno containers can be scaled up and down. If scaled to zero, no containers will run the app.
heroku ps:scale web=0
The number of free dyno hours is set to 550 per month and with a verified credit card on file will be set to 1000. The remaining time available for a dyno to be running for an app can be checked.
heroku ps -a <app-name>
To run the heroku test app locally first setup Django to use local assets.
python manage.py collectstatic
The app can then be run locally at http://localhost:5000
.
heroku local web
Changes can be committed in a similar manner as is done with github.
git add .
git commit -m 'message'
git push heroku master
6.4.2 Heroku Databases
The current addons including databases available to an app can be viewed.
heroku addons
The DATABASE_URL
can be displayed.
heroku config
More extensive information about the app can also be displayed, includeing the postgres version (PG Version)
heroku pg
As long as postgresql is installed locally, it is possible to connect to the remote database.
heroku pg:psql
It is also possible to connect with a database that has just been initiated, where the URI is listed in the Config Vars
section of the Settings, under DATABASE_URL
.
psql <URI>
6.5 Database Hosting With Heroku
- Navigate to https://www.heroku.com/, and create an account if you don’t already have one.
- On Heroku’s Dashboard, click “New” and choose “Create new app.”
- Give your app a name, and click “Create app.”
- On your app’s “Overview” page, click the “Configure Add-ons” button.
- In the “Add-ons” section of the page, type in and select “Heroku Postgres.”
- Choose the “Hobby Dev - Free” plan, which will give you access to a free PostgreSQL database that will support up to 10,000 rows of data. Click “Provision.”
- Now, click the “Heroku Postgres :: Database” link.
- You should now be on your database’s overview page. Click on “Settings”, and then “View Credentials.” This is the information you’ll need to log into your database. You can access the database via Adminer, filling in the server (the “Host” in the credentials list), your username (the “User”), your password, and the name of the database, all of which you can find on the Heroku credentials page.
- Use the URI found in the Settings page of Credentials to link to the database using
export DATABASE_url="URI_URL"
6.6 Creating a Database
Note that reserved words are all being capitalized below, but this is not required, but rather a stylistic choice.
To create a new database, first run psql
.
Refer to that database.
List current databases.
\list
Connect to a new database;
\connect airplanes
or
\c airplanes
Below is the general syntax to create a PostgreSQL database.
The id
is being used in a manner similar to an index that will just number each of the items.
The next three lines are all different data, and are of types VARCHAR
and INTEGER
.
The NOT NULL
aspect will cause the server to reject the entry if some data is added to the database but that value is not included.
CREATE TABLE flights (
id SERIAL PRIMARY KEY,
origin VARCHAR NOT NULL,
destination VARCHAR NOT NULL,
duration INTEGER NOT NULL
);
Display the currently created databases.
Insert data into the flights database.
Select all the data from flights.
Select only the origin and destination columns from flights.
Select only the data in flights where the id is 3.
Select only the data in flights that have an origin of New York.
Boolean logic data selection from flights.
Average a column of data.
Combine boolean logic with calculations performed on the data.
Count columns of matching data.
Select matching data from a list.
Wildcards can be used to search for substrings.
SQL uses LIMIT
to function like HEAD
.
Order data in ascending order asc
is ascending and desc
is for descending.
Data can be grouped together as in pandas.
The following code selects the origin column, counts the number of identical origin entries and then adds this count to a new count column.
Grouped data counts can be immedately filtered when searching.
6.7 Updating Data
This will change the duration of the flight from New York to London to 430.
Delete a set of matching data from a database.
6.8 Join/Merge
Inner join is the default join and will only include data that is matched.
Foreign keys can be used to reference the data within another table so that data does not need to be continually repeated. For instance if a number of flights are all heading to New York, the city id could be set as number 1 and then flight destination ids could be just set to 1.
As an example, the following table can be created that has passenger names, and in the flight_id
column, the flights
database is reference to get the actual flight locations.
When one database references another as in the following code, the referenced column is typically the PRIMARY KEY
, thought this can be modified if necessary.
CREATE TABLE passengers(
id SERIAL PRIMARY KEY,
name VARCHAR NOT NULL,
flight_id INTEGER REFERENCES flights);
It might be helpful to add some data to the above database for testing, so here is some data.
INSERT INTO passengers (name, flight_id) VALUES ('Alice', 1);
INSERT INTO passengers (name, flight_id) VALUES ('Bob', 1);
INSERT INTO passengers (name, flight_id) VALUES ('Charlie', 2);
INSERT INTO passengers (name, flight_id) VALUES ('Dave', 2);
INSERT INTO passengers (name, flight_id) VALUES ('Erin', 4);
INSERT INTO passengers (name, flight_id) VALUES ('Frank', 6);
INSERT INTO passengers (name, flight_id) VALUES ('Grace', 6);
In order to reference the id data from the flights
database for instance and match that up with the data found in the passengers
database, the databases should can be joined on the id columns that correspond with each other, in an analogous manner as is performed in pandas.
The following code selects the origin
and destination
columns from the flights
database, and the name
column from the passengers
database, after the two databases have been joined on their respective flight id columns.
Data can be directly selected when merging two databases together like the following selection of on the data corresponding with the passenger named Alice
.
Left/right joining of databases can be performed that unlike inner join will include all of the data in the left or right database.
6.9 Indexing
Indexing allows a subset of one database (sort of like a pandas series) to be used to select data from a database (analogous to a DataFrame).
In the following code, within the parentheses the flight_id
column is being selected to create a “series”, and the ids are being grouped by passengers
, and only those flights have more than one passenger are included within the “series”. This series of flight ids is then used to filter the original flights
“DataFrame”.
6.10 SQL Injection
User input should be escaped or sanitized to prevent a user from inputting SQL code into input fields and have it be directly executed as SQL.
As an example if a username and password field are presented to the user, and the input is checked against a SQL database, it might look something like the following.
The problem with the above code is that SQL code could theoretically be entered into the fields like the following.
If 1', OR '1' = '1'
is entered into the password field, now the SQL query would looks something like the following, which evaluates as True and may allow somebody access to the database.
6.11 Transactions and Race Conditions
This refers to a challenge if multiple requests simultaneously are made to the same data within a database and an attempt to modify the database occurs. The problem is that if the requests conflict in some manner the database can be improperly altered. One solution to this is transactions, where one user essentially checks-out the database and can modify it, and the second user can only modify the database after the first user as completed interacting with the database.
6.12 SQLAlchemy
SQLAlchemy is a python library that can be used to interact with SQL data.
The library can be installed like this:
SQLAlchemy can be used to interface with an SQL database.
from sqlalchemy import create_engine
engine = create_engine(os.getenv("DATABASE_URL"))
Users should also be permitted to interact with the SQL database individually within sessions. To do this, a scoped session variable can be created and used to individually interact with the SQL database.
from sqlalchemy.orm import scoped_session, sessionmaker
db = scoped_session(sessionmaker(bind=engine))
# this is an example then of interacting with the database
flights = db.execute("SELECT origin, destination, duration FROM flights").fetchall()
for flight in flights:
print(f"{flight.origin} to {flight.destination}, {flight.duration} minutes.")
CSV files can be used to store the information for a database, and inserted into an SQL database.
Assuming flights.csv
looks something like this:
Paris,New York,540
Tokyo,Shanghai,185
Seoul,Mexico City,825
Mexico City,Lima,350
Hong Kong,Shanghai,130
The following code will then read flights.csv
and add in the flights to the database.
:origin
, :destination
, and :duration
define placeholders within the database into which data will be inserted. This placeholder syntax also provides a layer of safety as it helps to prevent users from entering SQL code into a field and directly running SQL.
def main():
f = open("flights.csv")
reader = csv.reader(f)
for origin, destination, duration in reader:
db.execute("INSERT INTO flights (origin, destination, duration) VALUES (:origin, :destination, :duration)",
{"origin": origin, "destination": destination, "duration": duration})
print(f"Added flight from {origin} to {destination} lasting {duration} minutes.")
db.commit()
Here are some links that may be helpful in setting up an sql database and using it with SQLAlchemy. RealPython Location of Postgresql Database Location of Postgresql Database CS50 Project1 Help Reddit CS50 SQLAlchemy Help
6.13 Object-Relational Mapping
Python classes can be used to control the function of a SQL database. Typically a Python class can be used to control the functionality in a single SQL database.
Below is an example of a Python class that controls some of the function of an SQL database.
__tablename__
refers to the flights
sql database.
db.Model
defines some interactivity with SQLAlchemy and the SQL database.
primary_key=True
indicates that this column is used as the primary way to identify the data.
db.ForeignKey("flights.id")
references the flights.id
column within the Flight
class.
from flask_sqlalchemy import SQLAlchemy
db = SQLAlchemy()
class Flight(db.Model):
__tablename__ = "flights"
id = db.Column(db.Integer, primary_key=True)
origin = db.Column(db.String, nullable=False)
destination = db.Column(db.String, nullable=False)
duration = db.Column(db.Integer, nullable=False)
passengers = db.relationship("Passenger", backref="flight", lazy=True)
class Passenger(db.Model):
__tablename__ = "passengers"
id = db.Column(db.Integer, primary_key=True)
name = db.Column(db.String, nullable=False)
flight_id = db.Column(db.Integer, db.ForeignKey("flights.id"), nullable=False)
Creating a class in the above manner will allow modification of an SQL database using just python with SQLAlchemy. This avoids the requirement of using SQL commands explicitly within the code.
The following is an example of adding flight data to a database using the Flight class.
db.init_app(app)
flight = Flight(origin=origin, destination=destination, duration=duration)
db.session.add(flight)
db.session.commit()
A SQL database can also be queried with python instead of SQL commands.
The first command below is how a SQL database can be queried with SQL syntax and the second is with python using SQLAlchemy.
# using SQL
flights = db.execute("SELECT origin, destination, duration FROM flights").fetchall()
# using SQLAlchemy
flights = Flight.query.all()
Filtering can also be done with similar code.
Results can be counted.
Data can be retrieved by its ID, where the below code gets the row with ID 28.
Data within a table can be modified.
The following code gets the row with an ID of 6 then updates its duration to 280.
Data can be deleted from a table.
Data from a table can be retrieved and ordered.
Table data can be retrieved when it does not match a boolean expression.
SQL substring querying can be performed with SQLAlchemy.
SQL search can be performed using a list of values.
Boolean expressions can be used.
Tables can be joined together.
6.14 APIs
API stands for application programming interface.
JSON stands for Javascript object notation.
There are a number of different HTTP request types.
GET: retrieve a resource
POST: create a new resource
PUT: replace a resource
PATCH: update a resource
DELETE: delete a resource
The python library requests
enables requesting from python. Below is a get request which grabs the html code from google.com.
API calls should return status codes that classify the status of the request.
Status codes are as follows:
200: OK
201: Created
400: Bad Request
403: Forbidden
404: Not Found
405: Method Not Allowed
422 Unprocessable Entity
res = requests.get("https://api.fixer.io/latest?base=USD&symbols=EUR")
if res.status_code != 200:
raise Exception("ERROR: API request unsuccessful.")
data = res.json()
print(data)
An API can be designed to return a JSON object that contains some of the information from the site.
In flask the application.py
can use the following code to accomplish this.
from flask import jsonify
@app.route("/api/flights/<int:flight_id>")
def flight_api(flight_id):
"""Return details about a single flight."""
# Make sure flight exists.
flight = Flight.query.get(flight_id)
if flight is None:
return jsonify({"error": "Invalid flight_id"}), 422
# Get all passengers.
passengers = flight.passengers
names = []
for passenger in passengers:
names.append(passenger.name)
return jsonify({
"origin": flight.origin,
"destination": flight.destination,
"duration": flight.duration,
"passengers": names
})


Alexandr Loginov, Marugoto 1b, 2017–2018
⚠Suicide:
21,017 deaths (2%)
Dan Salvato describes the events of the game as “an inevitable tragedy” and acknowledged that the game is kind of nihilistic.
Nihilism doesn’t mean hopelessness. It means that you can make what you want out of your own life, out of the things you do have control over.
The End


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In general, you cannot perform mathematical operations on strings, even if the strings look like numbers. The following are illegal (assuming that message has type string):
message - 1
"Hello" / 123
message * "Hello"
"15" + 2
Interestingly, the + operator does work with strings, but for strings, the + operator represents concatenation, not addition. Concatenation means joining the two operands by linking them end-to-end. For example:
The output of this program is banana nut bread. The space before the word nut is part of the string and is necessary to produce the space between the concatenated strings. Take out the space and run it again.
The * operator also works on strings. It performs repetition. For example, 'Fun'*3 is 'FunFunFun'. One of the operands has to be a string and the other has to be an integer.
This interpretation of + and * makes sense by analogy with addition and multiplication. Just as 4*3 is equivalent to 4+4+4, we expect "Go"*3 to be the same as "Go"+"Go"+"Go", and it is. Note also in the last example that the order of operations for * and + is the same as it was for arithmetic. The repetition is done before the concatenation. If you want to cause the concatenation to be done first, you will need to use parenthesis.
Check your understanding
Q-20: What is printed by the following statements?
s = "python"
t = "rocks"
print(s + t)
Q-21: What is printed by the following statements?
s = "python"
excl = "!"
print(s+excl*3)


My experience with computers thus far is that I have taken CS1, CS2, CS3, Assembly language, discrete algorithm, and digital logic. I am proficient is java, and familiar with c, and c++. I have been the point person on troubleshooting on tech issues at work (Shoprite) , basic computer issues on PC, POS, and tablets (very limited access). What I see myself using the skills I'll learn in this class is building my own website for my YouTube channel; The Garden Nerd ( https://www.youtube.com/channel/UCkiwRLE7TxK4dRYoLYjfq7w) to help build my brand, more of hobby, fun, and to help build my portfolio /resume. I also see the possibility of getting some side jobs building websites for people and businesses.


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we have Specialist in
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in Phy we provide diagnosis ,prevention, treatment habilitationand rehabilitation


[1]
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[2]
Virtual running partner is broken again i had to pay almost 50 of a new unit replaced.


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I will be removed
If I get an ID, I will turn blue
put my position in me


--- layout: post title: Experimenting with form factors date: 2004-09-15 00:00:00 category: mobile ---
T-Mobile are launching a new handset blatantly designed to blur the line between phone and music player. How good a job it'll do isn't clear, particularly given the fairly measly on-board storage, but it reminds me of what I saw when I went out Japan in August 2000: a massive variety of form factors for mobile devices, seemingly targeted at loads of niches.
At the time, the Japanese operators seemed much more inclined than their European counterparts to experiment with form factors: maybe we're starting to see that attitude drift towards Europe?
On a related note, I *really* need to get out to Japan again.


Raw SDIO access to SD and SDHC flash memory cards.
More...
#include <SdioCard.h>
Raw SDIO access to SD and SDHC flash memory cards.
◆ begin()
Initialize the SD card.
- Parameters
-
| [in] | sdioConfig | SDIO card configuration. |
- Returns
- true for success or false for failure.
◆ end()
Disable an SDIO card.
- Returns
- false - not implemented.
◆ erase()
| bool SdioCard::erase |
( |
uint32_t |
firstSector, |
|
|
uint32_t |
lastSector |
|
) |
| |
|
virtual |
Erase a range of sectors.
- Parameters
-
| [in] | firstSector | The address of the first sector in the range. |
| [in] | lastSector | The address of the last sector in the range. |
- Note
- This function requests the SD card to do a flash erase for a range of sectors. The data on the card after an erase operation is either 0 or 1, depends on the card vendor. The card must support single sector erase.
- Returns
- true for success or false for failure.
Implements SdCardInterface.
◆ errorCode()
| uint8_t SdioCard::errorCode |
( |
| ) |
const |
|
virtual |
- Returns
- code for the last error. See SdCardInfo.h for a list of error codes.
Implements SdCardInterface.
◆ errorData()
| uint32_t SdioCard::errorData |
( |
| ) |
const |
|
virtual |
◆ errorLine()
| uint32_t SdioCard::errorLine |
( |
| ) |
const |
- Returns
- error line for last error. Tmp function for debug.
◆ isBusy()
| bool SdioCard::isBusy |
( |
| ) |
|
|
virtual |
Check for busy with CMD13.
- Returns
- true if busy else false.
Implements SdCardInterface.
◆ kHzSdClk()
| uint32_t SdioCard::kHzSdClk |
( |
| ) |
|
- Returns
- the SD clock frequency in kHz.
◆ readCID()
| bool SdioCard::readCID |
( |
cid_t * |
cid | ) |
|
|
virtual |
Read a card's CID register. The CID contains card identification information such as Manufacturer ID, Product name, Product serial number and Manufacturing date.
- Parameters
-
| [out] | cid | pointer to area for returned data. |
- Returns
- true for success or false for failure.
Implements SdCardInterface.
◆ readCSD()
| bool SdioCard::readCSD |
( |
csd_t * |
csd | ) |
|
|
virtual |
Read a card's CSD register. The CSD contains Card-Specific Data that provides information regarding access to the card's contents.
- Parameters
-
| [out] | csd | pointer to area for returned data. |
- Returns
- true for success or false for failure.
Implements SdCardInterface.
◆ readData()
| bool SdioCard::readData |
( |
uint8_t * |
dst | ) |
|
Read one data sector in a multiple sector read sequence
- Parameters
-
| [out] | dst | Pointer to the location for the data to be read. |
- Returns
- true for success or false for failure.
◆ readOCR()
| bool SdioCard::readOCR |
( |
uint32_t * |
ocr | ) |
|
|
virtual |
Read OCR register.
- Parameters
-
| [out] | ocr | Value of OCR register. |
- Returns
- true for success or false for failure.
Implements SdCardInterface.
◆ readSector()
| bool SdioCard::readSector |
( |
uint32_t |
sector, |
|
|
uint8_t * |
dst |
|
) |
| |
|
virtual |
Read a 512 byte sector from an SD card.
- Parameters
-
| [in] | sector | Logical sector to be read. |
| [out] | dst | Pointer to the location that will receive the data. |
- Returns
- true for success or false for failure.
Implements BlockDeviceInterface.
◆ readSectors()
| bool SdioCard::readSectors |
( |
uint32_t |
sector, |
|
|
uint8_t * |
dst, |
|
|
size_t |
ns |
|
) |
| |
|
virtual |
Read multiple 512 byte sectors from an SD card.
- Parameters
-
| [in] | sector | Logical sector to be read. |
| [in] | ns | Number of sectors to be read. |
| [out] | dst | Pointer to the location that will receive the data. |
- Returns
- true for success or false for failure.
Implements BlockDeviceInterface.
◆ readStart() [1/2]
| bool SdioCard::readStart |
( |
uint32_t |
sector | ) |
|
Start a read multiple sectors sequence.
- Parameters
-
| [in] | sector | Address of first sector in sequence. |
- Note
- This function is used with readData() and readStop() for optimized multiple sector reads. SPI chipSelect must be low for the entire sequence.
- Returns
- true for success or false for failure.
◆ readStart() [2/2]
| bool SdioCard::readStart |
( |
uint32_t |
sector, |
|
|
uint32_t |
count |
|
) |
| |
Start a read multiple sectors sequence.
- Parameters
-
| [in] | sector | Address of first sector in sequence. |
| [in] | count | Maximum sector count. |
- Note
- This function is used with readData() and readStop() for optimized multiple sector reads. SPI chipSelect must be low for the entire sequence.
- Returns
- true for success or false for failure.
◆ readStop()
| bool SdioCard::readStop |
( |
| ) |
|
End a read multiple sectors sequence.
- Returns
- true for success or false for failure.
◆ sectorCount()
| uint32_t SdioCard::sectorCount |
( |
| ) |
|
|
virtual |
Determine the size of an SD flash memory card.
- Returns
- The number of 512 byte data sectors in the card or zero if an error occurs.
Implements SdCardInterface.
◆ status()
| uint32_t SdioCard::status |
( |
| ) |
|
|
virtual |
◆ syncDevice()
| bool SdioCard::syncDevice |
( |
| ) |
|
|
virtual |
◆ type()
| uint8_t SdioCard::type |
( |
| ) |
const |
|
virtual |
Return the card type: SD V1, SD V2 or SDHC
- Returns
- 0 - SD V1, 1 - SD V2, or 3 - SDHC.
Implements SdCardInterface.
◆ writeData()
| bool SdioCard::writeData |
( |
const uint8_t * |
src | ) |
|
|
virtual |
Write one data sector in a multiple sector write sequence.
- Parameters
-
| [in] | src | Pointer to the location of the data to be written. |
- Returns
- true for success or false for failure.
Implements SdCardInterface.
◆ writeSector()
| bool SdioCard::writeSector |
( |
uint32_t |
sector, |
|
|
const uint8_t * |
src |
|
) |
| |
|
virtual |
Writes a 512 byte sector to an SD card.
- Parameters
-
| [in] | sector | Logical sector to be written. |
| [in] | src | Pointer to the location of the data to be written. |
- Returns
- true for success or false for failure.
Implements BlockDeviceInterface.
◆ writeSectors()
| bool SdioCard::writeSectors |
( |
uint32_t |
sector, |
|
|
const uint8_t * |
src, |
|
|
size_t |
ns |
|
) |
| |
|
virtual |
Write multiple 512 byte sectors to an SD card.
- Parameters
-
| [in] | sector | Logical sector to be written. |
| [in] | ns | Number of sectors to be written. |
| [in] | src | Pointer to the location of the data to be written. |
- Returns
- true for success or false for failure.
Implements BlockDeviceInterface.
◆ writeStart() [1/2]
| bool SdioCard::writeStart |
( |
uint32_t |
sector | ) |
|
|
virtual |
Start a write multiple sectors sequence.
- Parameters
-
| [in] | sector | Address of first sector in sequence. |
- Note
- This function is used with writeData() and writeStop() for optimized multiple sector writes.
- Returns
- true for success or false for failure.
Implements SdCardInterface.
◆ writeStart() [2/2]
| bool SdioCard::writeStart |
( |
uint32_t |
sector, |
|
|
uint32_t |
count |
|
) |
| |
Start a write multiple sectors sequence.
- Parameters
-
| [in] | sector | Address of first sector in sequence. |
| [in] | count | Maximum sector count. |
- Note
- This function is used with writeData() and writeStop() for optimized multiple sector writes.
- Returns
- true for success or false for failure.
◆ writeStop()
| bool SdioCard::writeStop |
( |
| ) |
|
|
virtual |
End a write multiple sectors sequence.
- Returns
- true for success or false for failure.
Implements SdCardInterface.
The documentation for this class was generated from the following file:
- Arduino/libraries/SdFat/src/SdCard/SdioCard.h


Across: 8. Lines heard from the accused (6) 9. Oddly boring, he is the American nextdoor (8) 10. Fearing others' hope in a box of trouble (10) Unhealthy patriotism destroyed hope in a box 11. Lane close to Kent? (4) 12. Arrange so it's alive (8) 14. Toast slicer remains unused (6) 15. A set go resisting mixing! (15) 18. Tucker Nellie enjoyed at heart? (6) 20. Repair is to Pope as despair is to hope (8) 22. Benefit of coming first in the pecking order (4) Animal to vanish or go away, then come back tomorrow 23. Evaluate it ... fairer? Case for blusher is built around odds of that! (10) 25. 428,571 surround strangely stern musician (8) 26.  (6) Down: 1. Camellia season (8) 2. Evaluate three in five-ring Olympic event (4) 3. Ones with just consonants between or just ones between continents? (6) 4. Ben & Jacob outline scheme that should get no complaint (15) 5. Actor and Princess gaining selection for national side at Olympic Games (8) 6. China bills organisatio for complaint (10) 7. Back in Jamaica I doze to heavenly band (6) 13. Storm in Goa upset farming scientist (10) 16. Ring actor and beg to have right to pursue Olympic glory (8) 17. Following saucy bit, teenage faces got red and made nervous giggles (8) 19. Explicit, or excitingly stripped back? (6) 21. Inconsistent, being soft at middle of vocal and heavy at ends (6) 24. Loud then quiet movement (4)


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--- layout: archive title: Zulip Chat Archive permalink: /stream/113488-general/topic/is.20github.20slow.20for.20everyone.20or.20just.20me.3F.html ---
Both my browser and command line take a very long time getting responses from github (about 30 secs, or something, sometimes timeout). Do others experience this as well?
It's been happening to me all day
Just clicking through some files, but it is quiet responsive for me (using Firefox 61.0.2 on Fedora)
You are close to the AIX
Just kidding... but I'm glad to hear that at least I'm not alone in my pain and suffering.
its down now
not for me
(in UK)
down here it's struggletown https://status.github.com :'(
{% endraw %}Last updated: Apr 24 2020 at 19:02 UTC


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| 632 | (A) | It was wondirly wyde & wroghte appon highte |
| 635 | (C) | It was wonderlye wyde . & wroȝte vp on hyethe |
| 629 | (D) | hit was wondurly wyde wrogħt vp-on hye |
| 621 | (E) | ¶ It was wunderliche wyed . wrougħt vp-an hy |
| (Ex) | ---- no text ---- | |
| 650 | (L) | he was wonderlich wide wroȝt vpon hyȝte |
| 589 | (P) | It was wonder wyde & wroght apon heght |
| 625 | (U) | ¶ It was wonderly wyde / and ywrougħt on hye |
| (V) | ---- no text ---- |


[gecode-users] Critical bug.
Rafael Meneses
rafaparafernalia at gmail.com
Tue Oct 24 00:44:03 CEST 2006
Hi,
The problem is in ViewValBranching:
1.- The status method calculate the "start" variable.
2.- The description method create the branch description, with the
position and value of the variable to make the branch. _The position
is absolute_.
3.- The commit, impose the branch description, since the position is
absolute, _position is position minus offset_ , but the offset depends
of the start variable, but status method in the recomputation phase is
not called, so the start variable is zero. This produces that the
offset is distinct between the original node and the recompute one,
then the branch is made in other variables and not in the original
one.
Options to repair the problem are:
* pass the start variable to the branching description
* don't make processing in the status method
* ...
I think that the error is critical, because produce that the
recomputation fix other variables, and we lost sector of the search
space.
I attach a patch that implement the first option.
I detected the problem, when my code crashed extraneously... two days
of hard work :(
Saludos,
--
Rafael Meneses
http://www.zeke.cl
http://www.labsd.inf.utfsm.cl/~rmeneses
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If you've ever been introduced to someone from another country and thought "I don't know anything about their country", then you know why we wanted to start The Culture Box.
The Box helps you learn about a country's famous authors, artists, historians, landmarks, cuisine, and many more. So if you don't know about Senegal's literature scene, this is the place to go!
We've tried to include as many different sides to culture as possible, from food to famous authors to landmarks. If you want to contribute something about a country you know well, like your favourite singer, we'd love to hear from you! Click on "Submit your work" to find out more about general guidelines and submit your piece.


@(user: models.users.User) @main("About Us", user) {
I am a student in T.U dublin (Tallaght) currently studying Computer science. I am twenty years old. I am in second year Im working par-time in Dunnes in the Ilac. My plan is to stay there until im finished college.
I am a student in T.U dublin (Tallaght) currently studying Computer science. I am nineteen years old. I am in second year I am working in Dunnes in the Ashleaf. My plan for the future is to stay until I am finished college
I am a student in T.U dublin (Tallaght) currently studying Computer science. I am twenty years old I am in second year and am a pea head
-On average it takes 3-5 working days.
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-Send an email to help@@gmail.com for further issue on this matter.
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Creating and discovering plugins¶
Often when creating a Python application or library you'll want the ability to provide customizations or extra features via plugins. Because Python packages can be separately distributed, your application or library may want to automatically discover all of the plugins available.
There are three major approaches to doing automatic plugin discovery:
Using naming convention¶
If all of the plugins for your application follow the same naming convention,
you can use pkgutil.iter_modules()
to discover all of the top-level
modules that match the naming convention. For example, Flask uses the
naming convention flask_{plugin_name}
. If you wanted to automatically
discover all of the Flask plugins installed:
import importlib
import pkgutil
discovered_plugins = {
name: importlib.import_module(name)
for finder, name, ispkg
in pkgutil.iter_modules()
if name.startswith('flask_')
}
If you had both the Flask-SQLAlchemy and Flask-Talisman plugins installed
then discovered_plugins
would be:
{
'flask_sqlachemy': <module: 'flask_sqlalchemy'>,
'flask_talisman': <module: 'flask_talisman'>,
}
Using naming convention for plugins also allows you to query the Python Package Index's simple API for all packages that conform to your naming convention.
Using namespace packages¶
Namespace packages can be used to provide
a convention for where to place plugins and also provides a way to perform
discovery. For example, if you make the sub-package myapp.plugins
a
namespace package then other distributions can
provide modules and packages to that namespace. Once installed, you can use
pkgutil.iter_modules()
to discover all modules and packages installed
under that namespace:
import importlib
import pkgutil
import myapp.plugins
def iter_namespace(ns_pkg):
# Specifying the second argument (prefix) to iter_modules makes the
# returned name an absolute name instead of a relative one. This allows
# import_module to work without having to do additional modification to
# the name.
return pkgutil.iter_modules(ns_pkg.__path__, ns_pkg.__name__ + ".")
discovered_plugins = {
name: importlib.import_module(name)
for finder, name, ispkg
in iter_namespace(myapp.plugins)
}
Specifying myapp.plugins.__path__
to iter_modules()
causes
it to only look for the modules directly under that namespace. For example,
if you have installed distributions that provide the modules myapp.plugins.a
and myapp.plugins.b
then discovered_plugins
in this case would be:
{
'a': <module: 'myapp.plugins.a'>,
'b': <module: 'myapp.plugins.b'>,
}
This sample uses a sub-package as the namespace package (myapp.plugins
), but
it's also possible to use a top-level package for this purpose (such as
myapp_plugins
). How to pick the namespace to use is a matter of preference,
but it's not recommended to make your project's main top-level package
(myapp
in this case) a namespace package for the purpose of plugins, as one
bad plugin could cause the entire namespace to break which would in turn make
your project unimportable. For the "namespace sub-package" approach to work,
the plugin packages must omit the __init__.py
for your top-level
package directory (myapp
in this case) and include the namespace-package
style __init__.py
in the namespace sub-package directory
(myapp/plugins
). This also means that plugins will need to explicitly pass
a list of packages to setup()
's packages
argument instead of using
setuptools.find_packages()
.
注意
Namespace packages are a complex feature and there are several different ways to create them. It's highly recommended to read the Packaging namespace packages documentation and clearly document which approach is preferred for plugins to your project.
Using package metadata¶
Setuptools provides special support for plugins. By
providing the entry_points
argument to setup()
in setup.py
plugins can register themselves for discovery.
For example if you have a package named myapp-plugin-a
and it includes
in its setup.py
:
setup(
...
entry_points={'myapp.plugins': 'a = myapp_plugin_a'},
...
)
Then you can discover and load all of the registered entry points by using
pkg_resources.iter_entry_points()
:
import pkg_resources
discovered_plugins = {
entry_point.name: entry_point.load()
for entry_point
in pkg_resources.iter_entry_points('myapp.plugins')
}
In this example, discovered_plugins
would be:
{
'a': <module: 'myapp_plugin_a'>,
}
メモ
The entry_point
specification in setup.py
is fairly
flexible and has a lot of options. It's recommended to read over the entire
section on entry points.