|
March 19, 2011
The meeting was called to order by President Jane
Ewing at 2:00 p.m. in King Room A at Pueblo West Library. Thirteen
members and one guest were present.
Members present were:
Jim, NE0DA
Bill, WA0KAQ
Jane, KA0USA
David, KY6YYY
Billy, K5LKT
Bill, W0NHF
Bill, KB0RPD
Kirk, KD0LDH
Paul, KB0JIT
Lori, AH6OS
Stan, KC0OYO
Stanley, WB0JRG
Ed, NI5R
Guests:
March Birthdays: Stanley Clark, Stan Dorris
New Members: None
Members renewing since last meeting: None
Memberships expiring in March; Kirk
Kelley (Renewed at meeting)
Memberships expiring in April: Ty Luck
ARRL Membership Report:
-
The club currently has 29 members, with 27 voting
(licensed) members. The club now has members holding 9 Technician
licenses, 5 General licenses, 2 Advanced licenses, and 11 Amateur
Extra licenses. Of those, 17 (63%) are ARRL members.
New ARRL Memberships or Renewals: None
News from the members: (What have you
done in the last month that pertains to amateur radio?)
Jim, NE0DA, has been working on his tower.
Stan, KC0OYO, is putting his tower together and hopes
to have it up shortly.
Billy, K5LKT, has been working DX and is working on
his third DXCC Certificate.
Bill, W0NHF, reported he has worked 100 PSK-31
stations since the last meeting.
Ed, NI5R, served as a Volunteer Examiner at the VE
Session preceding our meeting.
Lori, AH6OS, has been on the air with her new outside
antenna and is enjoying both the repeater and simplex nets. She
helped provide communications for the Destination Imagination event
at CSU Pueblo and also served as a Volunteer Examiner at the VE
Session held before our meeting Saturday.
Paul, KB0JIT, and wife Linda recently returned from a
one-week cruise in the Caribbean. He reported due to heightened
restrictions on the cruise vessel, he was unable to tour the
communications room.
Stanley, WB0JRG, was able to add the PL tone needed to
him radio and check into last week's net held on the Royal Gorge Ham
Club repeater. He also served as a VE at today's VE Session.
Bill, KB0RPD, helped David (KY6YYY) install his HF and
VHF antennas last weekend.
David, KY6YYY, has his antennas installed thanks to
several members who showed up at his home last weekend. Those who
stay until the end enjoyed pizza for lunch.
Jane, KA0USA, received a QSL card from the Azores,
worked a Special Event Station in Florida and a lighthouse in
Michigan. She also worked a Special Event station in Lithuania on 17
meter SSB. She helped supply communications earlier in the day at
Destination Imagination.
Bill, WA0KAQ, worked Corsica and the Philippines on 20
meter SSB and the Isle of Man on 17 meters SSB. He also received LOTW
confirmations from Switzerland, Corsica and West Kiribati. He
reported that his Yaesu FT-897D is back from the repair shop and
seems to be behaving itself. He also helped David install his
antennas last weekend and served as a Volunteer Examiner at the VE
Session held before the meeting.
Secretary's Report:
Meeting notes are e-mailed to all members and
prospects as soon as they are written and are posted on our website,
beginning with the January 2010 meeting. We also have a copy of the
minutes of last month's meeting at the sign-in table at each meeting
for anyone who would like to go through it. If anyone has questions
about the minutes, the Secretary will be happy to answer them and
make corrections if needed.
Treasurer's Report:
Ways & Means Report:
KA0USA reported she has found a place where the club
can have a yard sale or bake sale. The club approved a combination
Yard Sale/Bake Sale on Saturday, June 11, in the parking lot in front
of DJ's Pizzeria, 190 W. McCulloch Blvd. More details will be forthcoming.
The club will also continue to hold raffles or
offer items for direct sale at the meetings. All proceeds go to the
club. Any donation of items for raffle or sale will be appreciated.
Report from Instructors:
Ed, NI5R, reported that at least one more set of
classes will be held at the Latter Day Saints Church in Pueblo before
July 1. On that date, the tests will reflect the new General Class
Question Pool, so anyone studying for General at this time will have
a chance to take the exam before the new questions appear on the
tests. Last time the classes were held, they were held for three
hours each on four Saturday mornings. Ed said he felt more time was
needed, so the schedule will probably change when classes resume. No
dates have yet been announced.
VE Session Report:
Ed, NI5R, reported that all three persons who came to
the VE Session on March 19 passed at least one test. N0OBV of Penrose
upgraded from Technician to Extra. Don, KD0NSE, of Rosita (who got
his Technician license last time) upgraded to General. Tom Puenell of
Pueblo passed his Technician exam.
Old Business:
-
Non profit corporation progress (NG0T)
-
Attenuator Party (KB0JIT)
With the hidden transmitter hunt coming up in May, it
is time for those who are interested in building an attenuator for
their antenna to do so. ND0P and KD0MBL expressed an interest in
building attenuators earlier. Paul will contact them to set up a date
for this event. Anyone else wanting to build an inexpensive yet
effective attenuator should get in touch with Paul as soon as possible.
-
CQ's 14th Annual Foxhunting Weekend - (WA0KAQ)
PWARC will hold two hidden transmitter hunts in
the afternoon on Saturday, May 14. The time is still to be determined.
KY6YYY and WA0KAQ will take photos while participating
in the event, and WA0KAQ will send the information and photos to CQ Magazine.
WA0KAQ recently purchased a used 2-meter handheld that
will go down in power to 300 mw, and that should work for the fox
hunt transmitter. However, a controller is needed.
Paul, KB0JIT, and Bill, WA0KAQ, have looked through
information on controllers and recommended the PicCon Controller kit
made by Byonics of Las Vegas, NV. The controller produces tone
sequences and Morse code messages at user-programmed times, so it can
be programmed to send tones and the required 10-minute ID. With this
unit a transmitter can hidden and left to be found, making it more
difficult to find the transmitter.
The cost for the PicCom controller is $62 in kit form
with cables, plus shipping charges. Paul volunteered to assemble the kit.
Jim, NE0DA, made a motion to purchase the kit. The
motion was seconded by Bill, KB0RPD. The motion passed with a
unanimous vote. Bill, WA0KAQ, will order the kit.
-
Special Events Station - Pueblo Flood of June 3, 1921
Date: Friday, June 3 and Saturday, June 4
Time: We are scheduled to operate anytime between 10
a.m. on Friday to 4 p.m. Saturday as stations and operators are
available. A variety of modes and bands can be used.
Location:
Friday: (beginning 10:00 a.m. and running until 9:00
a.m. Saturday) - Anyone wanting to operate outside the time we have
scheduled for the library (i.e. from your home) should contact KD0MBL
or WA0KAQ and let them know the times, bands, and modes you can
operate so a schedule can be set up. We will use the club call sign
for the event, and only one station at a time will be scheduled to
operate using the NA0PW call sign.
Saturday: Portable operation from Pueblo West Library
is scheduled for Saturday, 9:00 a.m. - 4:00 p.m.
David, KY6YYY, will help design the certificate.
Expenses: Expenses include paper and copying.
Certificates will be less expensive and can be photocopied in the
amount we need. There should be no expense for postage, as those
sending for the certificates will send an SASE.
A generic announcement has been published on the ARRL
website and will be published in the June issue of QST.
-
Field Day Committee report
Bill, KD0RPD, has downloaded the new Field Day
Information Packet.
-
Liberty Point 5K Run and 5K Walk - July 4, 2011 - (WA0KAQ)
WA0KAQ asked for a few more volunteers with handheld
radios to help with this event. Jim (NE0DA), David (KY6YYY) and Bill
(KB0RPD) volunteered to help. They join Lori (AH6OS), Ed (NI5R), Bill
(KB0RPD), Andy (ND0P), and Neal (KD0MBL).
-
CQ Magazine subscription for the library. (WA0KAQ)
The subscription has been renewed for one year at a
cost of $36.95. WA0KAQ will make a gift certificate to be presented
to Pueblo West Library at the April meeting.
New Business:
Miscellaneous:
Raffle:
-
Bill Fortune, W0NHF, was the lucky winner of a $20
Gift Certificate from the Tea Palace in Pueblo West. The raffle
brought in $22.00 for the treasury. Thanks go out to the Tea Palace
for its donation
Next month's raffle item will be a copy of the book
"Dare To Prepare," by Holly Deyo of Pueblo West. Holly is
Stan's wife. Her very successful book details the products and skills
you need to survive a disaster.
Program:
Coming Events:
-
Each Tuesday - 7:00 p.m. - PWARC VHF will meet for the
next three weeks on the Canon City repeater (145.490 - PL103.5).
After four weeks a determination will be made as to whether to
continue using their repeater. After the net, members are asked to
meet on 146.445 MHz FM simplex. Any stations that can not check into
the Canon City repeater will be picked up on simplex, and Amateur
Radio Newsline will be played. Short training sessions will soon be
given as well.
-
Sat., April 2 - 9:00 a.m - Monthly Ragchew with coffee
or breakfast at the Hen House Café
-
Sat., April 16 - 2:00 p.m. - Monthly PWARC Meeting at
Pueblo West Library
-
For other events, see the PWARC Calendar at www.qsl.net/na0pw/Calendar.htm
Next month's Program(s):
Adjournment:
Submitted by Bill Ewing, WA0KAQ
PWARC Secretary |


---
layout: pattern
category: code
name: kbd
usage: Represents a user input such as a keyboard input or a voice commands. When the kbd
element is nested inside a samp
element, it represents the input as it was echoed by the system. When the kbd
element contains a samp
element, it represents input based on system output, for example invoking a menu item.
---
Copy the selected text by pressing Ctrl + C.


Click on "sound" button. Can you here the vibration?
Click on "sound 2" button. Can you here the vibration?


If I
is the number of
inversions in an input array of n
records,
then Insertion Sort will run in what time?
\Theta(n+I)
\Theta(n - I)
\Theta(I - n)
\Theta(n)
\Theta(n^2)
\Theta(I)
Insertion sort has to do n
passes where it
compares at least once.
If the record for this pass has no remaining inversions, then it requires no work.
But if it does have inversions, it will need a swap for each such inversion.


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def | __init__ (self, inputs, trainable=True) |
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| def | setup (self) |
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| def | load (self, data_path, session, ignore_missing=False) |
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| def | feed (self, args) |
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| def | get_output (self) |
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| def | get_unique_name (self, prefix) |
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| def | make_var (self, name, shape) |
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| def | validate_padding (self, padding) |
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def | conv (self, inp, k_h, k_w, c_o, s_h, s_w, name, relu=True, padding='SAME', group=1, biased=True) |
| |
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def | prelu (self, inp, name) |
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def | max_pool (self, inp, k_h, k_w, s_h, s_w, name, padding='SAME') |
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def | fc (self, inp, num_out, name, relu=True) |
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def | softmax (self, target, axis, name=None) |
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| inputs |
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| terminals |
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| layers |
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| trainable |
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| def detect_face.Network.feed |
( |
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self, |
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args |
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) |
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Set the input(s) for the next operation by replacing the terminal nodes.
The arguments can be either layer names or the actual layers.
| def detect_face.Network.get_output |
( |
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self | ) |
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Returns the current network output.
| def detect_face.Network.get_unique_name |
( |
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self, |
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prefix |
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) |
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Returns an index-suffixed unique name for the given prefix.
This is used for auto-generating layer names based on the type-prefix.
| def detect_face.Network.load |
( |
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self, |
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data_path, |
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session, |
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ignore_missing = False |
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) |
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Load network weights.
data_path: The path to the numpy-serialized network weights
session: The current TensorFlow session
ignore_missing: If true, serialized weights for missing layers are ignored.
| def detect_face.Network.make_var |
( |
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self, |
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name, |
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shape |
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) |
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Creates a new TensorFlow variable.
| def detect_face.Network.setup |
( |
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self | ) |
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| def detect_face.Network.validate_padding |
( |
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self, |
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padding |
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) |
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Verifies that the padding is one of the supported ones.
The documentation for this class was generated from the following file:


--- layout: landing title: Home ---
Project managment is really awesome because lorem ipsum sit dolor amet et cupidis et sil cout marat. Lorem ipsum sit dolor amet et cupidis et sil cout marat.
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Alex is passionate about his work. He is also a serial entrepreneur and has many projects behind him
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Alex is passionate about his work. He is also a serial entrepreneur and has many projects behind him
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{pos ?= {}}
The basics: text within {{}}
are *substitions*.
for=
and if=
are special *attributes*. for=
causes the tag to be repeated, in this case once for each element notices
. if=
causes the tag to not appear in the output if the condition is true. In this case the condition is whether number
is blank or not.
There are a few more
special attributes, which we'll see in the advanced section. On to {pos.next.value.title ?: "next"} >>
{builder::as_code('examples/basic.html')}


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Asia Pope
by Associated Press1 / 10Pope Francis, left, and his cousin, Sister Ana Rosa Sivori visit the Supreme Buddhist Patriarch at Was Ratchabophit Sathit Maha Simaram Temple, Thursday, Nov. 21, 2019, in Bangkok, Thailand. (AP Photo/Gregorio Borgia)
BANGKOK (AP) — The Latest on Pope Francis’s visit to Thailand and Japan (all times local):
6 p.m.
Thousands of people have filled Bangkok’s national sports stadium for Pope Francis’ first public Mass in Thailand.
Francis was circling around the stadium in his popemobile Thursday as the crowd waved yellow and white Holy See flags and chanted “Via il papa!”
The Mass capped a busy first day for the pope in Asia. It included separate meetings with Thailand’s prime minister, supreme Buddhist leader and recently crowned king.
Throughout his stay, Francis has been accompanied by Sister Ana Rosa Sivori, his second cousin who is serving as his interpreter.
By all indications, she is also serving as a counselor. She has joined him in the car for his appointments, taking the usual place of the archbishop. It’s a rare case of the pope consulting a woman for advice, since his usual counselors are all men.
___
10:20 a.m.
Pope Francis is committing the Catholic Church to working more with Thailand’s majority Buddhists to launch projects to care for the poor and the environment.
Francis made the pledge during a meeting Thursday with the supreme Buddhist patriarch at the Wat Ratchabophit temple. It was the second time a pope has called on the spiritual leader of Thailand’s Buddhists, after St. John Paul II visited the temple in 1984.
There are fewer than 400,000 Catholics among Thailand’s 65 million people, yet Francis said they nevertheless have enjoyed freedom in their religious practice.
He called for increasing charitable initiatives to improve fraternity and to help the poor “and our much-abused common home.”
___
9:45 a.m.
Pope Francis has called for migrants to be welcomed and for women and children to be protected from exploitation, abuse and enslavement as he began a busy two days of activities in Thailand.
Francis pleaded for action against one of the region’s greatest scourges — human trafficking to fuel the forced labor and sex trade industries — as he opened a weeklong visit to Asia on Thursday.
He praised the Thai government’s efforts to fight human trafficking in a speech at host Prime Minister Prayuth Chan-ocha’s offices. But he appealed for greater international commitment to protect women and children “who are violated and exposed to every form of exploitation, enslavement, violence and abuse.”
He called for ways to “uproot this evil and to provide ways to restore their dignity.”


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Police say when officers arrived on the scene, she led them to the man who was fatally shot inside a room at the hotel.
The names of the man and woman haven’t been released yet and it’s unclear if the two shot each other.
Police say the shooting appears to be an isolated incident and it’s being investigated.
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Pattern in your Apex Controller
A (software) design pattern is a general, reusable solution to a commonly occurring problem withing a given context. Christoper Alexander inspired the Gang of four to apply pattern to software and enumerate 23 classic software pattern.
This article discusses how to use some of them in the context of Apex controllers.
The context: Same same, but different
You are creating an application to support construction on force.com that will serve multiple countries. Part of the requirements is to compute a risk score for any given project. While ISO standards form the foundation of the assessment, each jurisdiction has some specialties that alter the logic eventually.
This is just one of the requirements, you have many more that follow the pattern
Same Same - But different.
Patterns used
Besides those, you want to know Apex Enterprise Patterns. Go Trailhead and learn
The details
The Apex controller isn't used to retrieve records, that's the job of the Lightning Data Service. It is however used for auxiliary information, like the computation of the risk score or check which part of your component should be rendered or or or. Most of the functionality is needed elsewhere too (like compute risk score in a trigger), so coding it into a @AuraEnabled
static method doesn't make much sense.
Therefore the Apex controller is implemented as a Facade. No actual logic is implemented, but execution is delegated to specific classes (sample below).
The controller shouldn't contain logic to pick the concrete class, since each new country you start business in would require a change to the controller. Picking the right class is left to a factory. A common approach for factories is to have a factory class with one factory method. You can design that class static or to be instantiated, depending on the amount of context your factory needs. In my case I used a static RiskAssessmentFactory
class with a single static method RiskAssessor getRiskAssessor(String countryId)
that would return....
An instance of an interface (e.g. RiskAssessor
)! This is an important element of maintainability. A factory method should always return an (instance of an) interface. Not a base class or one specific class, but an interface. Returning a concrete class defeats the very purpose of the factory pattern, returning a base class limits the flexibility of your solution. Factory and Interface belong together like Stand and Ollie, Caesar and Cleopatra or peanut butter and jelly.
Repeat after me:
A factory method returns an instance of an interface
When you define your factory without interfaces, on each call a kitten must die and an unicorn cries.
Where does the metadata fit in?
Analyzing the business requirements, you notice that the rules are quite similar, just some of the factors are different. E.g. in one jurisdiction number of stories is multiplied by 1.2, in another by 1.5 and in another not considered (= multiplied by 0).
So you design a custom metadata object (don't make the mistake and use a custom object - it will only add headache to your sandbox testing) and create records for your countries, so the same class can cater for multiple jurisdictions. Your factory will read that meta data before instantiating a class that implements the RiskAssesor
interface.
To maintain your flexibility, after all you suspect that the building code for Zamunda is vastly different, the metadata record contains a field CustomRiskClass
. When that field isn't empty your factory will not instantiate the common base class, but use this class. Storing the class name in metadata allows you to keep your country specific implementations in their own package.
A country package would as a minimum contain the meta data record. If the need for a custom class arises, that class would be in the country package too.
A sample
Fair warning: that code is typed here, probably not ready for copy and paste.
public interface RiskAssessor {
RiskAssessor setMetadata(CountryRiskConfig_mdt countryMetadata);
int isoRisk(ProjectPlan__c theProject);
String countryRiskLevel(ProjectPlan__c theProject);
RiskResult(String projectPlanId);
}
public class RiskAssessmentFactory {
static RiskAssessor getRiskAssessor(String countryId) {
RiskAssessor result;
CountryRiskConfig_mdt countryMetadata = getCountryMeta(countryId);
if (countryMetadata.CustomRiskClass != null) {
result = (RiskAssessor) Type.forName(countryMetadata.CustomRiskClass).newInstance();
} else {
result = new RiskAssessorDefault;
}
result.setMetadata(countryMetadata);
return result;
}
}
public virtual class RiskAssessorDefault implements RiskAssessor {
// TODO: implement interfaces here
}
The RiskAssessorDefault
class is defined using the virtual
keyword, so you can subclass it as need arises. To be clear: the subclassing helps to avoid duplicate code, it doesn't break the need for interfaces.
As usual: YMMV
Posted by Stephan H Wissel on 29 December 2018 | Comments (0) | categories: Apex Salesforce Software


Forms
WHAT ARE FORMS?
Forms could be considered the life-blood of the internet. While there are millions of pages out there and an infinite trove of information, without forms, all these pages would just be presentational, read-only silos of data, with no way of accessing them.
Forms are what allow the exchange of information to happen. Sending and receiving data of all kinds are done with Forms. Medical info, banking, online shopping, customer service, and even basic web searches all use forms to allow the conversation between the user and websites to actually happen.
FORM STRUCTURE AND APPEARANCE
The HTML structure of a form, at its most basic, is actually very simple. It is comprised of various widgets (text fields, buttons, checkboxes and the like), and attributes specifying what server to send the form data to (action), and if the server should return info (method). The basic elements used are:
- <form>
- <fieldset>
- <legend>
- <label>
- <input>
- <textarea>
- <button>
There are many ways to customize the look and style of the form. Though even today, it is still difficult to adjust styling on everything in a form with CSS.
BEST UX PRACTICES FOR FORMS
Forms won't do you any good if users don't fill them out. You want to make them easy and intuitive, minimize the amount of typing the user has to do, and easy to update before submitting. VerzDesign (Serrano) mentions a number of best practice elements to be aware of, a few of which are listed below:
Maintain a single column layout:
Avoids confusion by giving clear next steps. The questions should be listed in a logical sequence, matching the flow of a conversation.
Minimize input fields and reduce user typing effort:
Ask only for info you need. Asking too many questions can frustrate users. Save user's time with tick boxes, buttons, drop-down menus, etc.
Labels should be above the input fields:
A form should be easily skimmable, and having labels above each input allows users to quickly see what kind of how much information will be required.
Differentiate optional and required fields:
Try to avoid optional fields in your forms, and keep them limited if you do need them. Clearly indicate which fields are indeed required, so users will know the first time what will be needed to complete the form.


The paper presents a parser for Simplified JavaScript that is written in Simplified Javascript. It is chapter 9 of Beautiful Code. This page loads that parser and runs the parser on itself.
This page loads two JavaScript files:
| tokens.js | This file installs the String.prototype.tokens method. It produces an array of simple tokens from a string.
|
| parse.js | This file installs the make_parse function which produces the parse function. The indirection was done so that we could conveniently recover the source of the function.
|
The text that follows is the parse tree that the parser generated by parsing itself.
|
|
|
|
2007-02-21
Vaughan Pratt presented "Top Down Operator Precedence" at the first annual Principles of Programming Languages Symposium in Boston in 1973. In the paper Pratt described a parsing technique that combines the best properties of Recursive Descent and Floyd's Operator Precedence. It is easy to use. It feels a lot like Recursive Descent, but with the need for less code and with significantly better performance. He claimed the technique is simple to understand, trivial to implement, easy to use, extremely efficient, and very flexible. It is dynamic, providing support for truly extensible languages.
Oddly enough, such an obviously utopian approach to compiler construction is completely neglected today. Why is this? Pratt suggested in the paper that a preoccupation with BNF grammars and their various offspring, along with their related automata and theorems, has precluded development in directions that are not visibly in the domain of automata theory.
Another explanation is that his technique is most effective when used in a dynamic, functional programming language. Its use in a static, procedural language would be considerably more difficult. In the paper, Pratt used LISP and almost effortlessly built parse trees from streams of tokens. But parsing techniques are not greatly valued in the LISP community, which celebrates the Spartan denial of syntax. There have been many attempts since LISP's creation to give the language a rich ALGOL-like syntax, including Pratt's CGOL, LISP 2, MLISP, Dylan, Interlisp's Clisp and McCarthy's original M-expressions. All failed to find acceptance. That community found the correspondence between programs and data to be much more valuable than expressive syntax. But the mainstream programming community likes its syntax, so LISP has never been accepted by the mainstream. Pratt's technique wants a dynamic language, but dynamic language communities historically have had no use for the syntax that Pratt's technique conveniently realizes.
The situation changes with the advent of JavaScript. JavaScript is a dynamic, functional language, but syntactically it is obviously a member of the C family. It is a dynamic language with a community that likes syntax.
JavaScript is also object-oriented. Pratt's 1973 paper anticipated object orientation but lacked an expressive notation for it. JavaScript is an ideal language for exploiting Pratt's technique. I will show that we can quickly and inexpensively produce parsers in JavaScript.
We don't have time in this short chapter to deal with the whole JavaScript language, and perhaps we wouldn't want to because the language is a mess. But it has some brilliant stuff in it that is well worth consideration. We will build a parser that can process Simplified JavaScript. We will write the parser in Simplified JavaScript. Simplified JavaScript is just the good stuff, including:
We will take advantage of JavaScript's prototypal nature to make token
objects that inherit from symbols. Our implementation depends on an Object.create
method (which makes a new object that inherits members from an existing
object) and a tokenizer (which produces an array of simple token objects
from a string). We will advance through this array of tokens as we grow
our parse tree.
Every token, such as an operator or identifier, will inherit from a symbol.
We will keep all of our symbols (which determine the types of tokens in
our language) in a symbol_table
object.
var symbol_table = {};
The original_symbol
object is the prototype for all other
symbols. Its methods will usually be overridden. (We will describe the
role of symbolCallback
and infixCallback
and binding powers in the
section on Precedence below).
var original_symbol = { symbolCallback: function () { this.error("Undefined."); }, infixCallback: function (left) { this.error("Missing operator."); } };
Let's define a function that makes symbols. It takes a symbol id
and an optional binding power that defaults to 0 and returns a symbol
object for that id
. If the symbol already exists in the symbol_table
,
the function returns that symbol object. Otherwise, it makes a new symbol
object that inherits from the original_symbol
, stores it
in the symbol table, and returns it. A symbol object initially contains
an id
, a value, a left binding power, and the stuff it inherits
from the original_symbol
.
var symbol = function (id, bindingPower) { var s = symbol_table[id]; bindingPower = bindingPower || 0; if (s) { if (bindingPower >= s.leftBindingPower) { s.leftBindingPower = bindingPower; } } else { s = Object.create(original_symbol); s.id = s.value = id; s.leftBindingPower = bindingPower; symbol_table[id] = s; } return s; };
The following symbols are popular separators and closers.
symbol(":"); symbol(";"); symbol(","); symbol(")"); symbol("]"); symbol("}"); symbol("else");
The (end)
symbol indicates the end of the token stream.
The (name)
symbol is the prototype for new names, such as
variable names. The parentheses that I've included in the ids of these
symbols avoid collisions with user-defined tokens.
symbol("(end)"); symbol("(name)");
We assume that the source text has been transformed into an array of
simple token objects (tokens
), each containing a type
member ("name"
, "string"
, "number"
,
or "operator"
), and a value
member, which is
a string or number.
The token
variable always contains the current token.
var token;
The advance
function makes a new token object from the next
simple token in the array and assigns it to the token
variable.
It can take an optional id
parameter which it can check against
the id
of the previous token. The new token object's prototype
is a (name)
token in the current scope or a symbol from the
symbol table. The new token's arity
is "name"
,
"literal"
, or "operator"
. Its arity
may be changed later to "binary"
, "unary"
, or
"statement"
when we know more about the token's role in the
program.
var advance = function (id) { var a, o, t, v; if (id && token.id !== id) { token.error("Expected '" + id + "'."); } if (token_nr >= tokens.length) { token = symbol_table["(end)"]; return; } t = tokens[token_nr]; token_nr += 1; v = t.value; a = t.type; if (a === "name") { o = scope.find(v); } else if (a === "operator") { o = symbol_table[v]; if (!o) { t.error("Unknown operator."); } } else if (a === "string" || a === "number") { a = "literal"; o = symbol_table["(literal)"]; } else { t.error("Unexpected token."); } token = Object.create(o); token.value = v; token.arity = a; return token; };
Most languages have some notation for defining new symbols (such as variable names). In a very simple language, when we encounter a new word, we might give it a definition and put it in the symbol table. In a more sophisticated language, we would want to have scope, giving the programmer convenient control over the lifespan and visibility of a variable.
A scope is a region of a program in which a variable is defined and accessible. Scopes can be nested inside of other scopes. Variables defined in a scope are not visible outside of the scope.
We will keep the current scope object in the scope
variable.
var scope;
The original_scope
is the prototype for all scope objects. It
contains a define
method that is used to define new variables
in the scope. The define
method transforms a name token into a
variable token. It produces an error if the variable has already been defined
in the scope or if the name has already been used as a reserved word.
var itself = function () { return this; };
var original_scope = { define: function (n) { var t = this.def[n.value]; if (typeof t === "object") { n.error(t.reserved ? "Already reserved." : "Already defined."); } this.def[n.value] = n; n.reserved = false; n.symbolCallback = itself; n.infixCallback = null; n.std = null; n.leftBindingPower = 0; n.scope = scope; return n; },
The find
method is used to find the definition of a name.
It starts with the current scope and seeks, if necessary, back through
the chain of parent scopes and ultimately to the symbol table. It returns
symbol_table["(name)"]
if it cannot find a definition.
The find
method tests the values it finds to determine that
they are not undefined
(which would indicate an undeclared name)
and not a function (which would indicate a collision with an inherited method).
find: function (n) { var e = this, o; while (true) { o = e.def[n]; if (o && typeof o !== 'function') { return e.def[n]; } e = e.parent; if (!e) { o = symbol_table[n]; return o && typeof o !== 'function' ? o : symbol_table["(name)"]; } } },
The pop
method closes a scope, giving focus back to the
parent.
pop: function () { scope = this.parent; },
The reserve
method is used to indicate that a name has been
used as a reserved word in the current scope.
reserve: function (n) { if (n.arity !== "name" || n.reserved) { return; } var t = this.def[n.value]; if (t) { if (t.reserved) { return; } if (t.arity === "name") { n.error("Already defined."); } } this.def[n.value] = n; n.reserved = true; } };
We need a policy for reserved words. In some languages, words that are used
structurally (such as if
) are reserved and cannot be used as variable
names. The flexibility of our parser allows us to have a more useful policy.
For example, we can say that in any function, any name may be used as a structure
word or as a variable, but not as both. We will reserve words locally only after
they are used as reserved words. This makes things better for the language designer
because adding new structure words to the language will not break existing programs,
and it makes things better for programmers because they are not hampered by
irrelevant restrictions on the use of names.
Whenever we want to establish a new scope for a function or
a block we call the new_scope
function, which makes a new
instance of the original scope prototype.
var new_scope = function () { var s = scope; scope = Object.create(original_scope); scope.def = {}; scope.parent = s; return scope; };
Tokens are objects that bear methods allowing them to make precedence decisions, match other tokens, and build trees (and in a more ambitious project, also check types and optimize and generate code). The basic precedence problem is this: Given an operand between two operators, is the operand bound to the left operator or the right?
d
A e
B f
If A and B are operators, does operand e
bind
to A or to B? In other words, are we talking about
(d
A
e)
B f
or d
A (e
B
f)
?
Ultimately, the complexity in the process of parsing comes down to the
resolution of this ambiguity. The technique we will develop here uses
token objects whose members include binding powers (or precedence levels),
and simple methods called symbolCallback
(null denotation) and infixCallback
(left denotation). A symbolCallback
does not care about the tokens to
the left. A infixCallback
does. A symbolCallback
method is used
by values (such as variables and literals) and by prefix operators. A
infixCallback
method is used by infix operators and suffix operators.
A token may have both a symbolCallback
method and a infixCallback
method. For example, -
might be both a prefix operator (negation)
and an infix operator (subtraction), so it would have both symbolCallback
and infixCallback
methods.
In our parser, we will use these binding powers:
| 0 | non-binding operators like
|
| 10 | assignment operators like
|
| 20 |
|
| 30 | || && |
| 40 | relational operators like === |
| 50 | + - |
| 60 | * / |
| 70 | unary operators like ! |
| 80 | . [ ( |
The heart of Pratt's technique is the expression
function.
It takes a right binding power that controls how aggressively it binds
to tokens on its right.
var expression = function (rightBindingPower) { var left; var t = token; advance(); left = t.symbolCallback(); while (rightBindingPower < token.leftBindingPower) { t = token; advance(); left = t.infixCallback(left); } return left; }
expression
calls the symbolCallback
method of the
token
. The symbolCallback
is used to process literals,
variables, and prefix operators. Then as long as the right binding
power is less than the left binding power of the next token, the
infixCallback
method is invoked on the following token. The infixCallback
is used
to process infix and suffix operators. This process can be recursive
because the symbolCallback
and infixCallback
methods
can call expression
.
The +
operator is an infix operator, so it has a infixCallback
method that weaves the token object into a tree whose two branches
(first
and second
) are the operand to the left
of the +
and the operand to the right. The left operand is
passed into the infixCallback
, which then obtains the right operand
by calling the expression
function.
symbol("+", 50).infixCallback = function (left) { this.first = left; this.second = expression(50); this.arity = "binary"; return this; };
The symbol for *
is the same as +
except for
the id
and binding powers. It has a higher binding power
because it binds more tightly.
symbol("*", 60).infixCallback = function (left) { this.first = left; this.second = expression(60); this.arity = "binary"; return this; };
Not all infix operators will be this similar, but many will, so we can
make our work easier by defining an infix
function that will
help us make symbols for infix operators. The infix
function
takes an id
, a binding power, and an optional infixCallback
function. If a infixCallback
function is not provided, the infix
function supplies a default infixCallback
that is useful in most cases.
var infix = function (id, bindingPower, infixCallback) { var s = symbol(id, bindingPower); s.infixCallback = infixCallback || function (left) { this.first = left; this.second = expression(bindingPower); this.arity = "binary"; return this; }; return s; }
This allows a more declarative style for specifying infix operators:
infix("+", 50); infix("-", 50); infix("*", 60); infix("/", 60);
===
is JavaScript's exact equality comparison operator.
infix("===", 40); infix("!==", 40); infix("<", 40); infix("<=", 40); infix(">", 40); infix(">=", 40);
The ternary operator takes three expressions, separated by ?
and :
. It is not an ordinary infix operator, so we need to supply
its infixCallback
function.
infix("?", 20, function (left) { this.first = left; this.second = expression(0); advance(":"); this.third = expression(0); this.arity = "ternary"; return this; });
The .
operator is used to select a member of an object. The token
on the right must be a name, but it will be used as a literal.
infix(".", 80, function (left) { this.first = left; if (token.arity !== "name") { token.error("Expected a property name."); } token.arity = "literal"; this.second = token; this.arity = "binary"; advance(); return this; });
The [
operator is used to dynamically select a member
from an object or array. The expression on the right must be followed
by a closing ]
.
infix("[", 80, function (left) { this.first = left; this.second = expression(0); this.arity = "binary"; advance("]"); return this; });
Those infix operators are left associative. We can also make right associative operators, such as short-circuiting logical operators, by reducing the right binding power.
var infixr = function (id, bindingPower, infixCallback) { var s = symbol(id, bindingPower); s.infixCallback = infixCallback || function (left) { this.first = left; this.second = expression(bindingPower - 1); this.arity = "binary"; return this; }; return s; }
The &&
operator returns the first operand if the
first operand is falsy. Otherwise, it returns the second operand. The
||
operator returns the first operand if the first operand
is truthy. Otherwise, it returns the second operand. (The falsy values
are the number 0
, the empty string ""
,
and the values false
and null
. All other values
(including all objects) are truthy.)
infixr("&&", 30); infixr("||", 30);
The code we used for right associative infix operators can be adapted for prefix operators. Prefix operators are right associative. A prefix does not have a left binding power because it does not bind to the left. Prefix operators can also sometimes be reserved words.
var prefix = function (id, symbolCallback) { var s = symbol(id); s.symbolCallback = symbolCallback || function () { scope.reserve(this); this.first = expression(70); this.arity = "unary"; return this; }; return s; }
prefix("-"); prefix("!"); prefix("typeof");
The symbolCallback
of (
will call advance(")")
to match a balancing )
token. The (
token does
not become part of the parse tree because the symbolCallback
returns
the inner expression.
prefix("(", function () { var e = expression(0); advance(")"); return e; });
We could use infixr
to define our assignment operators,
but we will make a specialized assignment
function because
we want it to do two extra bits of business: examine the left operand
to make sure that it is a proper lvalue, and set an assignment
member so that we can later quickly identify assignment statements.
var assignment = function (id) { return infixr(id, 10, function (left) { if (left.id !== "." && left.id !== "[" && left.arity !== "name") { left.error("Bad lvalue."); } this.first = left; this.second = expression(9); this.assignment = true; this.arity = "binary"; return this; }); };
assignment("="); assignment("+="); assignment("-=");
Notice that we have implemented a sort of inheritance pattern, where
assignment
returns the result of calling infixr
,
and infixr
returns the result of calling symbol
.
The constant
function builds constants into the language. The symbolCallback
mutates a name token into a literal
token.
var constant = function (s, v) { var x = symbol(s); x.symbolCallback = function () { scope.reserve(this); this.value = symbol_table[this.id].value; this.arity = "literal"; return this; }; x.value = v; return x; };
constant("true", true); constant("false", false); constant("null", null);
constant("pi", 3.141592653589793);
The (literal)
symbol is the prototype for all string and
number literals. The symbolCallback
method of a literal token returns
the token itself.
symbol("(literal)").symbolCallback = itself;
Pratt's original formulation worked with functional languages in which
everything is an expression. Most mainstream languages have statements
that are not as nestable as expressions. We can easily handle statements
by adding another method to tokens, the std
(statement denotation).
A std
is like a symbolCallback
except that it is used only
at the beginning of a statement.
The statement
function parses one statement. If the current
token has an std
method, the token is reserved and the std
is invoked. Otherwise,we assume an expression statement terminated with
a semi-colon. For reliability, we will reject an expression statement
that is not an assignment or invocation.
var statement = function () { var n = token, v; if (n.std) { advance(); scope.reserve(n); return n.std(); } v = expression(0); if (!v.assignment && v.id !== "(") { v.error("Bad expression statement."); } advance(";"); return v; };
The statements
function parses statements until it sees
(end)
or }
which signals the end of a block.
The function returns a statement, an array of statements, or null
if there were no statements present.
var statements = function () { var a = [], s; while (true) { if (token.id === "}" || token.id === "(end)") { break; } s = statement(); if (s) { a.push(s); } } return a.length === 0 ? null : a.length === 1 ? a[0] : a; };
The stmt
function is used to add statement symbols to the
symbol table. It takes a statement id
and an std
function.
var stmt = function (s, f) { var x = symbol(s); x.std = f; return x; };
The block statement wraps a pair of curly braces around a list of statements, giving them a new scope. (JavaScript does not have block scope. Simplified JavaScript corrects that.)
stmt("{", function () { new_scope(); var a = statements(); advance("}"); scope.pop(); return a; });
The block function parses a block.
var block = function () { var t = token; advance("{"); return t.std(); };
The var
statement defines one or more variables in the current
block. Each name can optionally be followed by =
and an initializing
expression.
stmt("var", function () { var a = [], n, t; while (true) { n = token; if (n.arity !== "name") { n.error("Expected a new variable name."); } scope.define(n); advance(); if (token.id === "=") { t = token; advance("="); t.first = n; t.second = expression(0); t.arity = "binary"; a.push(t); } if (token.id !== ",") { break; } advance(","); } advance(";"); return a.length === 0 ? null : a.length === 1 ? a[0] : a; });
The while
statement defines a loop. It contains an expression in parens and a block.
stmt("while", function () { advance("("); this.first = expression(0); advance(")"); this.second = block(); this.arity = "statement"; return this; });
The if
statement allows for conditional execution. If we
see the else
symbol after the block, then we parse the next
block or if
statement.
stmt("if", function () { advance("("); this.first = expression(0); advance(")"); this.second = block(); if (token.id === "else") { scope.reserve(token); advance("else"); this.third = token.id === "if" ? statement() : block(); } else { this.third = null; } this.arity = "statement"; return this; });
The break
statement is used to break out of loops.
stmt("break", function () { advance(";"); if (token.id !== "}") { token.error("Unreachable statement."); } this.arity = "statement"; return this; });
The return
statement is used to return from functions. It
can take an optional expression.
stmt("return", function () { if (token.id !== ";") { this.first = expression(0); } advance(";"); if (token.id !== "}") { token.error("Unreachable statement."); } this.arity = "statement"; return this; });
Functions are executable object values. A function has an optional name (so that it can call itself recursively), a list of parameter names wrapped in parens, and a body that is a list of statements wrapped in curly braces. A function has its own scope.
prefix("function", function () { var a = []; new_scope(); if (token.arity === "name") { scope.define(token); this.name = token.value; advance(); } advance("("); if (token.id !== ")") { while (true) { if (token.arity !== "name") { token.error("Expected a parameter name."); } scope.define(token); a.push(token); advance(); if (token.id !== ",") { break; } advance(","); } } this.first = a; advance(")"); advance("{"); this.second = statements(); advance("}"); this.arity = "function"; scope.pop(); return this; });
Functions are invoked with the (
operator. It can take zero or
more comma separated arguments. We look at the left operand to detect
expressions that cannot possibly be function values.
infix("(", 80, function (left) { var a = []; if (left.id === "." || left.id === "[") { this.arity = "ternary"; this.first = left.first; this.second = left.second; this.third = a; } else { this.arity = "binary"; this.first = left; this.second = a; if ((left.arity !== "unary" || left.id !== "function") && left.arity !== "name" && left.id !== "(" && left.id !== "&&" && left.id !== "||" && left.id !== "?") { left.error("Expected a variable name."); } } if (token.id !== ")") { while (true) { a.push(expression(0)); if (token.id !== ",") { break; } advance(","); } } advance(")"); return this; });
The this
symbol is a special variable. In a method invocation,
it is the reference to the object.
symbol("this").symbolCallback = function () { scope.reserve(this); this.arity = "this"; return this; };
An array literal is a set of square brackets around zero or more comma-separated expressions. Each of the expressions is evaluated, and the results are collected into a new array.
prefix("[", function () { var a = []; if (token.id !== "]") { while (true) { a.push(expression(0)); if (token.id !== ",") { break; } advance(","); } } advance("]"); this.first = a; this.arity = "unary"; return this; });
An object literal is a set of curly braces around zero or more
comma-separated pairs. A pair is a key/expression pair separated by a
colon (:
).
The key is a literal or a name which is treated as a literal.
prefix("{", function () { var a = []; if (token.id !== "}") { while (true) { var n = token; if (n.arity !== "name" && n.arity !== "literal") { token.error("Bad key."); } advance(); advance(":"); var v = expression(0); v.key = n.value; a.push(v); if (token.id !== ",") { break; } advance(","); } } advance("}"); this.first = a; this.arity = "unary"; return this; });
The tree could be passed to a code generator, or it could be passed to an interpreter. Very little computation is required to produce the tree. And as we saw, very little effort was required to write the programming that built the tree.
We could make the infix
function take an opcode that would
aid in code generation. We could also have it take additional methods that
would be used to do constant folding and code generation.
We could add additional statements (such as for
, switch
,
and try
), statement labels, more error checking, error recovery,
and lots more operators. We could add type specification and inference.
We could make our language extensible. With the same ease that we can define new variables, we can let the programmer add new operators and new statements.
Try the demonstration of the parser that was described in this paper.
Another example of this parsing technique can be found in JSLint.


Support services group DCC post strong profit growth for first half of 2019
by Edward ThicknesseInternational marketing and support services group DCC have reported a 15 per cent growth in profit for the first half of 2019, with strong performances across its four divisions.
The FTSE 100 company said the rise to £162.6m from £141.9m in 2018 was in line with expectations.
Read more: Mr Kipling owner Premier Foods increases profit
Chief Executive Donal Murphy said: “I am pleased to report that the first half of the year has been another period of good growth and development for DCC.
“The business has performed strongly, with Group operating profit well ahead of the prior year and all divisions delivering good profit growth, despite the more difficult economic and market backdrop, particularly in the UK.”
The group also announced the acquisition of Florida-based Ion Laboratories, a nutritional products manufacturer, for about $60m.
The blue-chip has been eyeing up the lucrative US health supplements market and the move represents a significant development on the group’s strategy.
The boost in profit was driven by particularly strong performances by DCC’s petroleum and technology businesses, which saw 19.8 and 42.6 per cent growth respectively.
In the latter, the acquisition of US firm Pacific Coast Energy marked the company’s first bolt-on in the US liquefied petroleum industry.
The deal follows DCC’s purchase of Shell’s petroleum business in Hong Kong and Macau for £120m in 2017, the company’s first acquisition outside Europe.
Read more: Experian shares surge as revenue grows to $2.5bn
Murphy said: “The group’s significant development in recent years has resulted in DCC having the platforms, opportunities and capability to build the group into a global leader in its chosen sectors.”
Murphy added that he expected DCC to deliver year-end results broadly in line with current market expectations.
Main image credit: Getty


@(crew : String) @import helper._
You meet a man named Jon Snow of the North who patrols the great Wall you have come to. He warns to to heed his knowledge of the terrifying warriors further North.
But you have a sneaky suspicion this man knowns nothing...


AIRFORCE ONE
You must know that you are in for a thrill when the director of one of the best films ever made, DAS BOOT, is in charge. No one compares to Wolfgang Petersen when it comes to making superb films. Witness, in addition to DAS BOOT, IN THE LINE OF FIRE and OUTBREAK. Petersen, assisted by a great cast, does not disappoint. AIRFORCE ONE, from beginning to end, is one frantic, tense action film.
President John Marshall (Harrison Ford) has frequently proclaimed that to give in to terrorists only invites more terrorism. If he is ever faced with a decision about terrorists, his message is clear. But what happens when his wife (Wendy Crewson) and teen aged daughter (Liesel Matthews) are being held hostage aboard the supposedly secure Airforce One, the President's plane? Perhaps not quite as easy to be objective. That is exactly what faces President Marshall.
Aided by a traitor on the staff of the President's security team, a group of terrorists is allowed on the plane. They are supposed to be a camera crew. Soon after takeoff, they hijack the plane and take everyone prisoner, except for the President himself who is in hiding. Leader of the terrorists is Ivan Korshunov (Gary Oldman with a very, very thick Russian accent) who wants the President to get the release of Gen. Alexander Radek (Jurgen Prochnow . . . who was the captain in DAS BOOT). Radek is a tyrant who has been taking advantage of the chaos in Russia since they were freed of the Communist yoke. Gen. Radek is in a Russian prison.
Meanwhile, back in Washington, D.C., Vice President Kathryn Bennett (Glenn Close) is trying to find out what is happening. When she becomes aware of the demands, she phones Russian President Petrov (Alan Woolf) to release Radek so President Marshall will not be harmed. . . but Petrov says he is unable to do that.
But this is an action thriller and President Marshall is a capable opponent of terrorists as he has served with distinction in Viet Nam and knows how to handle himself in tough, dangerous situations. Harrison Ford is utterly believable as he hides in various parts of the huge plane, shoots automatic weapons at the enemy when he has a chance, wrestles with the terrorists while hanging near an open hatch.
Exciting film. Great cast. You will not want to miss this one. Other supporting roles are by Paul Guilfoyle, Xander Berkeley. Wm. H. Macy, Dean Stockwell, Tom Everett and many others too numerous to mention.
Directed by the one and only Wolfgang Petersen.
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Copyright 1997 Ben Hoffman
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2 writes to DisconnectedAndBlocked
System.Management.Automation (2)
engine\remoting\client\Job.cs (2)
3172
DisconnectedAndBlocked
= false;
3183
DisconnectedAndBlocked
= (JobStateInfo.State == JobState.Blocked);
2 references to DisconnectedAndBlocked
System.Management.Automation (2)
engine\remoting\client\Job.cs (1)
3170
if (
DisconnectedAndBlocked
)
engine\remoting\commands\ReceiveJob.cs (1)
757
if (remotingChildJob != null && remotingChildJob.
DisconnectedAndBlocked
)


Welcome to PACO - the Personal Analytics COmpanion |
"The unexamined life is not worth living" "Know Thyself"
We think those are words to live by.
Paco is a platform for getting to "know thyself". You decide what to track and who sees it.
Paco also allows you to create and participate in behavioral science studies with groups of other people to move science forward.
1) Press 'Find Experiments' to find existing experiments. Try some out.
2) Press 'Current Experiments' to manage the experiments you have joined.
3) Go to the server at http://pacoapp.com/ to create your own experiments or copy and modify existing ones
4) Press 'Explore Data' to look at patterns in your data.
This is an early beta version, but we hope you like it and please tell us about your experiences and how you are using it.
We wish you well.
PACO team


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Thoughts: BoxCar2D
At the start, the car didn’t really move anywhere.
But, by the later generation, progress was made.
Today I played around with this website, that basically used genetic algorithms on cars. I read about how it was implemented here and it was interesting, because although there were differences, the fundamental principles were the same and I could understand it.
I’ve been thinking of combining neural networks and genetic algorithms to create a sorta “game of life”, with prey, predators and food. The thing I’ve been thinking about is how I would implement the fitness algorithm. Would I make it so that the prey that avoid the most predators and get the most food, are given more of a chance in the mating pool (as I have done previously with my other programs)? Or, should I go with a more organic approach whereby the prey who get “eaten” by predators are removed completely from the mating pool, as well as dying from hunger if they don’t reach food? I don’t know, but it’s interesting to think about.


--- layout: page title: Lean Prover Zulip Chat Archive permalink: archive/113488general/35665attributeclassnatprime.html ---
What is attribute [class] nat.prime doing in padic_norm.lean
attribute [class] nat.prime
padic_norm.lean
Waiting for someone to move it?


After inserting the picture, it is essential to resize them to fit them in your presentation.
Steps to Resize an image or picture :
1. When you select the picture, sizing handles appear at the corners and along the edges of the selection rectangle.
2. You can resize the picture by dragging its sizing handles or you can resize it more precisely by specifying a percentage for the picture's height and width.
3. If it is a photo or a bitmap or clip art, for example, you can crop it, and you can also restore it later to its original image. For best results when resizing pictures in a presentation that you plan on saving as a Web page, size the picture to a specific percentage under 50.


module Sass::Script
SassScript is code that’s embedded in Sass documents to allow for property values to be computed from variables.
This module contains code that handles the parsing and evaluation of SassScript.
Constants
- CONST_RENAMES
@private
- MATCH
The regular expression used to parse variables.
- VALIDATE
The regular expression used to validate variables without matching.
Public Class Methods
const_missing(name)
click to toggle source
@private
Calls superclass method
# File lib/sass/script.rb, line 59 def self.const_missing(name) klass = CONST_RENAMES[name] super unless klass CONST_RENAMES.each {|n, k| const_set(n, k)} klass end
parse(value, line, offset, options = {})
click to toggle source
Parses a string of SassScript
@param value [String] The SassScript @param line [Fixnum] The number of the line on which the SassScript appeared.
Used for error reporting
@param offset [Fixnum] The number of characters in on `line` that the SassScript started.
Used for error reporting
@param options [{Symbol => Object}] An options hash;
see {file:SASS_REFERENCE.md#sass_options the Sass options documentation}
@return [Script::Tree::Node] The root node of the parse tree
# File lib/sass/script.rb, line 26 def self.parse(value, line, offset, options = {}) Parser.parse(value, line, offset, options) rescue Sass::SyntaxError => e e.message << ": #{value.inspect}." if e.message == "SassScript error" e.modify_backtrace(:line => line, :filename => options[:filename]) raise e end


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Preparation time
overnight
Cooking time
30 mins to 1 hour
Serves
Makes 8 flatbreads
These gluten-free flatbreads are easy to throw together and can be frozen in batches. Serve with your choice of topping (each topping is enough for four flatbreads).
Each flatbread provides 123 kcal, 6g protein, 15g carbohydrate (of which 0.8g sugars), 4.5g fat (of which 2.5g saturates), 4.5g fibre and 0.3g salt.
A portion of the roasted vegetable topping provides 52 kcal, 1.5g protein, 2.5g carbohydrate (of which 2.5g sugars), 4.5g fat (of which 2.5g saturates), 2g fibre and 0g salt.
A portion of the garlic mushroom topping provides 46 kcal, 2g protein, 0.2g carbohydrate (of which 0.1g sugars), 4g fat (of which 2g saturates), 1g fibre and 0.1g salt.
A portion of the avocado and smoked salmon topping provides 181 kcal, 13g protein, 1.1g carbohydrate (of which 0.6g sugars), 14g fat (of which 3g saturates), 2g fibre and 1.6g salt.
For the flatbreads, place the flour in a mixing bowl and season with salt and pepper. Make a well in the centre of the flour and gradually pour in 400ml/14fl oz cold water in a thin stream, whisking continuously, until smooth and well combined as a thick batter. Set aside for at least 30 minutes, or preferably overnight, at room temperature, to allow the gram flour to fully absorb the water.
Add a little coconut oil or ghee to a cast-iron or ceramic frying pan, smear it all over the base, then heat on a medium to high heat.
When the pan is hot, add 4 tablespoons of the flatbread batter to the pan, swirling it until the flatbread is 10-12cm/4-5in wide and 2mm thick. Cook like a traditional pancake for 1-2 minutes, then flip and continue to cook on the other side until crisp and golden-brown on both sides. Repeat the process with the remaining flatbread batter.
For the roasted vegetable topping, preheat the oven to 220C/200C Fan/Gas 7. Arrange the vegetables in a large roasting tray in a single layer, then sprinkle over the cumin seeds and season with salt and pepper. Dot the vegetables with the ghee. Roast for 30-40 minutes, turning halfway through the cooking time, until tender.
For the garlic mushroom topping, preheat the grill to its highest setting. Melt the ghee in a frying pan over a medium heat. Add the mushrooms and fry for 4-5 minutes, adding the garlic and thyme during the last minute of cooking. Season with salt and pepper. Spread the garlic mushroom mixture over the flatbreads and sprinkle over the grated cheese. Place the flatbreads onto a baking tray. Grill for 1-2 minutes, or until the cheese has melted and is bubbling.
For the avocado and salmon topping, top the flatbreads with layers of the avocado slices, smoked salmon and rocket leaves. Sprinkle over the sesame seeds and lemon. Season with salt and freshly pepper.


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UCP configuration file
Estimated reading time: 16 minutesThere are two ways to configure UCP:
- through the web interface, or
- by importing and exporting the UCP config in a TOML file. For more information about TOML, see the TOML README on GitHub.
You can customize the UCP installation by creating a configuration file at the time of installation. During the installation, UCP detects and starts using the configuration specified in this file.
The UCP configuration file
You can use the configuration file in different ways to set up your UCP cluster.
- Install one cluster and use the UCP web interface to configure it as desired, export the configuration file, edit it as needed, and then import the edited configuration file into multiple other clusters.
- Install a UCP cluster, export and edit the configuration file, and then use the API to import the new configuration into the same cluster.
- Run the
example-config
command, edit the example configuration file, and set the configuration at install time or import after installation.
Specify your configuration settings in a TOML file.
Export and modify an existing configuration
Use the config-toml
API to export the current settings and write them to a file. Within the directory of a UCP admin user’s client certificate bundle, the following command exports the current configuration for the UCP hostname UCP_HOST
to a file named ucp-config.toml
:
Get an authtoken
AUTHTOKEN=$(curl --silent --insecure --data '{"username":"<username>","password":"<password>"}' https://UCP_HOST/auth/login | jq --raw-output .auth_token)
Download config file
curl -X GET "https://UCP_HOST/api/ucp/config-toml" -H "accept: application/toml" -H "Authorization: Bearer $AUTHTOKEN" > ucp-config.toml
Upload config file
curl -X PUT -H "accept: application/toml" -H "Authorization: Bearer $AUTHTOKEN" --upload-file 'path/to/ucp-config.toml' https://UCP_HOST/api/ucp/config-toml
Apply an existing configuration file at install time
You can configure UCP to import an existing configuration file at install time. To do this using the Configs feature of Docker Swarm, follow these steps.
- Create a Docker Swarm Config object with a name of
com.docker.ucp.config
and the TOML value of your UCP configuration file contents. - When installing UCP on that cluster, specify the
--existing-config
flag to have the installer use that object for its initial configuration. - After installation, delete the
com.docker.ucp.config
object.
Example configuration file
You can see an example TOML config file that shows how to configure UCP
settings. From the command line, run UCP with the example-config
option:
docker container run --rm docker/ucp:3.2.4 example-config
Configuration options
auth table
| Parameter | Required | Description |
|---|---|---|
backend |
no | The name of the authorization backend to use, either managed or ldap . The default is managed . |
default_new_user_role |
no | The role that new users get for their private resource sets. Values are admin , viewonly , scheduler , restrictedcontrol , or fullcontrol . The default is restrictedcontrol . |
auth.sessions
| Parameter | Required | Description |
|---|---|---|
lifetime_minutes |
no | The initial session lifetime, in minutes. The default is 60 minutes. |
renewal_threshold_minutes |
no | The length of time, in minutes, before the expiration of a session where, if used, a session will be extended by the current configured lifetime from then. A zero value disables session extension. The default is 20 minutes. |
per_user_limit |
no | The maximum number of sessions that a user can have active simultaneously. If creating a new session would put a user over this limit, the least recently used session will be deleted. A value of zero disables limiting the number of sessions that users may have. The default is 10. |
store_token_per_session |
no | If set, the user token is stored in sessionStorage instead of localStorage . Note that this option will log the user out and require them to log back in since they are actively changing how their authentication is stored. |
registries array (optional)
An array of tables that specifies the DTR instances that the current UCP instance manages.
| Parameter | Required | Description |
|---|---|---|
host_address |
yes | The address for connecting to the DTR instance tied to this UCP cluster. |
service_id |
yes | The DTR instance’s OpenID Connect Client ID, as registered with the Docker authentication provider. |
ca_bundle |
no | If you’re using a custom certificate authority (CA), ca_bundle specifies the root CA bundle for the DTR instance. The value is a string with the contents of a ca.pem file. |
audit_log_configuration table (optional)
Configures audit logging options for UCP components.
| Parameter | Required | Description |
|---|---|---|
level |
no | Specify the audit logging level. Leave empty for disabling audit logs (default). Other legal values are metadata and request . |
support_dump_include_audit_logs |
no | When set to true, support dumps will include audit logs in the logs of the ucp-controller container of each manager node. The default is false . |
scheduling_configuration table (optional)
Specifies scheduling options and the default orchestrator for new nodes.
Note
If you run the
kubectl
command, such askubectl describe nodes
, to view scheduling rules on Kubernetes nodes, it does not reflect what is configured in UCP Admin settings. UCP uses taints to control container scheduling on nodes and is unrelated to kubectl’sUnschedulable
boolean flag.
| Parameter | Required | Description |
|---|---|---|
enable_admin_ucp_scheduling |
no | Set to true to allow admins to schedule on containers on manager nodes. The default is false . |
default_node_orchestrator |
no | Sets the type of orchestrator to use for new nodes that are joined to the cluster. Can be swarm or kubernetes . The default is swarm . |
tracking_configuration table (optional)
Specifies the analytics data that UCP collects.
| Parameter | Required | Description |
|---|---|---|
disable_usageinfo |
no | Set to true to disable analytics of usage information. The default is false . |
disable_tracking |
no | Set to true to disable analytics of API call information. The default is false . |
anonymize_tracking |
no | Anonymize analytic data. Set to true to hide your license ID. The default is false . |
cluster_label |
no | Set a label to be included with analytics/ |
trust_configuration table (optional)
Specifies whether DTR images require signing.
| Parameter | Required | Description |
|---|---|---|
require_content_trust |
no | Set to true to require images be signed by content trust. The default is false . |
require_signature_from |
no | A string array that specifies users or teams which must sign images. |
log_configuration table (optional)
Note
This feature has been deprecated. Refer to the Deprecation notice for additional information.
Configures the logging options for UCP components.
| Parameter | Required | Description |
|---|---|---|
protocol |
no | The protocol to use for remote logging. Values are tcp and udp . The default is tcp . |
host |
no | Specifies a remote syslog server to send UCP controller logs to. If omitted, controller logs are sent through the default docker daemon logging driver from the ucp-controller container. |
level |
no | The logging level for UCP components. Values are syslog priority levels: debug , info , notice , warning , err , crit , alert , and emerg . |
license_configuration table (optional)
Specifies whether the your UCP license is automatically renewed.
| Parameter | Required | Description |
|---|---|---|
auto_refresh |
no | Set to true to enable attempted automatic license renewal when the license nears expiration. If disabled, you must manually upload renewed license after expiration. The default is true . |
custom headers (optional)
Included when you need to set custom API headers. You can repeat this section multiple times to specify multiple separate headers. If you include custom headers, you must specify both name
and value
.
[[custom_api_server_headers]]
| Item | Description |
|---|---|
name |
Set to specify the name of the custom header with name = “X-Custom-Header-Name”. |
value |
Set to specify the value of the custom header with value = “Custom Header Value”. |
user_workload_defaults (optional)
A map describing default values to set on Swarm services at creation time if those fields are not explicitly set in the service spec.
[user_workload_defaults]
[user_workload_defaults.swarm_defaults]
| Parameter | Required | Description |
|---|---|---|
[tasktemplate.restartpolicy.delay] |
no | Delay between restart attempts (ns|us|ms|s|m|h). The default is value = "5s" . |
[tasktemplate.restartpolicy.maxattempts] |
no | Maximum number of restarts before giving up. The default is value = "3" . |
cluster_config table (required)
Configures the cluster that the current UCP instance manages.
The dns
, dns_opt
, and dns_search
settings configure the DNS settings for UCP
components. Assigning these values overrides the settings in a container’s
/etc/resolv.conf
file. For more info, see
Configure container DNS.
| Parameter | Required | Description |
|---|---|---|
controller_port |
yes | Configures the port that the ucp-controller listens to. The default is 443 . |
kube_apiserver_port |
yes | Configures the port the Kubernetes API server listens to. |
swarm_port |
yes | Configures the port that the ucp-swarm-manager listens to. The default is 2376 . |
swarm_strategy |
no | Configures placement strategy for container scheduling. This doesn’t affect swarm-mode services. Values are spread , binpack , and random . |
dns |
yes | Array of IP addresses to add as nameservers. |
dns_opt |
yes | Array of options used by DNS resolvers. |
dns_search |
yes | Array of domain names to search when a bare unqualified hostname is used inside of a container. |
profiling_enabled |
no | Set to true to enable specialized debugging endpoints for profiling UCP performance. The default is false . |
kv_timeout |
no | Sets the key-value store timeout setting, in milliseconds. The default is 5000 . |
kv_snapshot_count |
no | Sets the key-value store snapshot count setting. The default is 20000 . |
external_service_lb |
no | Specifies an optional external load balancer for default links to services with exposed ports in the web interface. |
cni_installer_url |
no | Specifies the URL of a Kubernetes YAML file to be used for installing a CNI plugin. Applies only during initial installation. If empty, the default CNI plugin is used. |
metrics_retention_time |
no | Adjusts the metrics retention time. |
metrics_scrape_interval |
no | Sets the interval for how frequently managers gather metrics from nodes in the cluster. |
metrics_disk_usage_interval |
no | Sets the interval for how frequently storage metrics are gathered. This operation can be expensive when large volumes are present. |
rethinkdb_cache_size |
no | Sets the size of the cache used by UCP’s RethinkDB servers. The default is 1GB, but leaving this field empty or specifying auto instructs RethinkDB to determine a cache size automatically. |
exclude_server_identity_headers |
no | Set to true to disable the X-Server-Ip and X-Server-Name headers. |
cloud_provider |
no | Set the cloud provider for the kubernetes cluster. |
pod_cidr |
yes | Sets the subnet pool from which the IP for the Pod should be allocated from the CNI ipam plugin. Default is <IP_ADDRESS>/16 . |
calico_mtu |
no | Set the MTU (maximum transmission unit) size for the Calico plugin. |
ipip_mtu |
no | Set the IPIP MTU size for the calico IPIP tunnel interface. |
azure_ip_count |
no | Set the IP count for azure allocator to allocate IPs per Azure virtual machine. |
service_cluster_ip_range |
yes | Sets the subnet pool from which the IP for Services should be allocated. Default is <IP_ADDRESS>/16 . |
nodeport_range |
yes | Set the port range that for Kubernetes services of type NodePort can be exposed in. Default is 32768-35535 . |
custom_kube_api_server_flags |
no | Set the configuration options for the Kubernetes API server. (dev) |
custom_kube_controller_manager_flags |
no | Set the configuration options for the Kubernetes controller manager. (dev) |
custom_kubelet_flags |
no | Set the configuration options for Kubelets. (dev) |
custom_kube_scheduler_flags |
no | Set the configuration options for the Kubernetes scheduler. (dev) |
local_volume_collection_mapping |
no | Store data about collections for volumes in UCP’s local KV store instead of on the volume labels. This is used for enforcing access control on volumes. |
manager_kube_reserved_resources |
no | Reserve resources for Docker UCP and Kubernetes components which are running on manager nodes. |
worker_kube_reserved_resources |
no | Reserve resources for Docker UCP and Kubernetes components which are running on worker nodes. |
kubelet_max_pods |
yes | Set Number of Pods that can run on a node. Default is 110 . |
secure-overlay |
no | Set to true to enable IPSec network encryption in Kubernetes. Default is false . |
image_scan_aggregation_enabled |
no | Set to true to enable image scan result aggregation. This feature displays image vulnerabilities in shared resource/containers and shared resources/images pages. Default is false . |
swarm_polling_disabled |
no | Set to true to turn off auto-refresh (which defaults to 15 seconds) and only call the Swarm API once. Default is false . |
Note
dev indicates that the functionality is only for development and testing. Arbitrary Kubernetes configuration parameters are not tested and supported under the Docker Enterprise Software Support Agreement.
iSCSI (optional)
Configures iSCSI options for UCP.
| Parameter | Required | Description |
|---|---|---|
--storage-iscsi=true |
no | Enables iSCSI based Persistent Volumes in Kubernetes. Default value is false . |
--iscsiadm-path=<path> |
no | Specifies the path of the iscsiadm binary on the host. Default value is /usr/sbin/iscsiadm . |
--iscsidb-path=<path> |
no | specifies the path of the iscsi database on the host. Default value is /etc/iscsi . |
pre_logon_message
Configures a pre-logon message.
| Parameter | Required | Description |
|---|---|---|
pre_logon_message |
no | Sets pre-logon message to alert users before they proceed with login. |


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HUMAN TRAFFIC
Reviewed by Harvey Karten Miramax Films Director: Justin Kerrigan Writer: Justin Kerrigan Cast: John Simm, Lorraine Pilkington, Shaun Parkes, Danny Dyer, Nicola Reynolds, Dean Davies, Justin Kerrigan
What do you say when you leave work on Friday afternoon? "Have a nice weekend." Right? Do you mean it? Maybe...that is if you even remember what you said. But if the five cats in Justin Kerrigan's first feature film "Human Traffic" heard you wish them a "nice" weekend, they'd probably roll on the floor with laughter, because "nice" is about the last thing they want when they quit their stupefyingly boring jobs. These guys and gals, all in their early twenties, are going to live during those forty-eight hours. They're going to forget the disapproval of their bosses at the fast food joint and the jeans store and the flak they'd get from their parents if indeed their folks even cared. As Jip, the principal character and the one who mostly likely stands in for the writer-director, "All that exists now is clubs, drugs, pubs and parties...I'm gonna blow steam out of my head like a screaming kettle....We're gonna get more spaced out than Neil Armstrong ever did. Anything could happen. For four of the five kids on one particular weekend in the Welsh capital of Cardiff, this weekend is fun like no other. For Jip (John Simm) and his frizzy blonde friend Lulu (Lorraine Pilkington) something really big goes down.
"Human Traffic" is the story of one weekend in the lives of five young people who meet regularly from Friday eve through Sunday and who get their kicks from solitary probing of web sites or sitting passively in the movie theaters like us critics, but from rave parties that they attend while high on the drug Ecstasy. You'll never think of coal miners again since, after all, you don't have to be in swinging London or hip New York to be part of the weekend madness. The groovy pubs of Wales will do just fine.
Kerrigan, who wrote the script to this partly surreal adventure two years ago when he was twenty-three, has lived the scene and knows whereof he speaks. He opens up the movie by having a few of these characters tell us something about their lives. Nina (Nicola Reynolds) relates that she was turned down by her college because she gave the wrong answer to the interviewer who asked why she was interested in philosophy. Jip sells jeans, but the boss is on his back --and Kerrigan means to show that concept quite literally, as portrayed by cinematographer David Bennett. The only one enjoys what he's going during the week is Koop (Shaun Parkes), a vinyl freak that makes even Jack Black's character Barry (from Stephen Frears's "High Fidelity") look like a square. When Koop flips a record onto the turntable, the twenty-something customers dig the beat and dance up a storm.
"Human Traffic" follows the five for two days as they make the rounds of the pubs, the rave clubs, their parents' homes. While there is no real plot and much of the dialogue is improvised by these largely unknown performers, some of the scenes are touching while most will draw at least a smile form the youthful, targeted audience. The Ecstasy-popping comes with a price, of course. On Sunday the party animals are so down, so paranoid, that they can't even look one another in the eye. The paranoid Koop doesn't even need drugs to conclude that his bird, Nina, is flirting with every man in sight.
"Human Traffic" is neither pro- nor anti-drug, laying out both sides of the coin. When these guys are high, they're in the clouds, and the regularly surreal Justin Kerrigan puts them there--again, literally. When Moff (Danny Dyer), the youngest in the group, is coming down from his high, he is surrounded by his parents and grandmother at Sunday dinner as they tut-tut about Cardiff's callow: "They have no discipline: they have no morality." As Moff targets each of the adults with his TV remote control device hitting the forward and back buttons rapidly, he sees them repeating their blather over and over to a rollickingly funny effect.
"Human Traffic" has been compared to "Trainspotting," but this association is at best superficial. We can understand every word that Kerrigan's characters say without subtitles, there are no bathroom jokes, and we never see any of the people actually taking the drugs or throwing up. This is a fun buddy movie that looks more like Kerrigan's revenge for being rejected by every film school to which he applied--at which point he took odd jobs for a year until he was finally admitted. Kerrigan utilizes the cinema for what the big screen is intended: a visual far more than literary delight. "Human Traffic" proves that amateur actors using a loose script can do just fine given a director's quixotic camerawork and fertile imagination. Kerrigan gives new meaning to the term "rave review."
Rated R. Running time: 93 minutes. (C) 2000 by Harvey Karten<EMAIL_ADDRESS>The review above was posted to the
rec.arts.movies.reviews newsgroup (de.rec.film.kritiken for German reviews).
The Internet Movie Database accepts no responsibility for the contents of the
review and has no editorial control. Unless stated otherwise, the copyright
belongs to the author.
Please direct comments/criticisms of the review to relevant newsgroups.
Broken URLs inthe reviews are the responsibility of the author.
The formatting of the review is likely to differ from the original due
to ASCII to HTML conversion.
Related links: index of all rec.arts.movies.reviews reviews


09 September 1998
Disease Outbreak Reported
The country, which consists of 4 islands (Grande Comore, Moheli, Anjouan and Mayotte) has been experiencing a cholera outbreak since February 1998. The first case was registered in Mbeni, ca. 80 km north of the capital Moroni on Grande Comore. The disease spread soon after to other districts including the capital. The Ministry of Health has kept WHO regularly informed of the situation. By end-April, 1 750 cases and 31 deaths had been reported. Most cases occurred between April and June. By mid-August, the cumulative total for 1998 had reached 3199 cases and 40 deaths.
WHO and other agencies, as well as several NGOs, have been involved from the start in controlling the outbreak and preventing its spread, in close collaboration with the Ministry of Health. Poor basic sanitation, very limited personal and environmental hygiene and poor access to safe water are the major contributors to the continued spread. Epidemic preparedness plans have been set up for the surrounding islands with the support of WHO.
The first case of cholera has now been announced on the island of Mayotte. WHO is in contact with health officials there to support immediate action for control and prevention.


Do you have any feeling that come up from watching this? Is there anything that is new to you? Is there anything that challenged you?
Watch Peggy Macintosh's "Unpacking the Invisible knapsack" and reflect on the question: What privileges are given to you without you having to think about it?
Watch "The privilege walk" and participate in the walk yourself as you watch. Make sure you watch it in a space where you have room to move. This exercise is best done with others but you can also do it on your own while watching the video clip.


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What's in My Schoolbag?
Is a book
I made
out of
I used between 2001 and 2013,
including:
6-years primary school
3-years middle school
3-years high school
Textbooks may be
the most irksome book
for Chinese students.
Being
the only books
that are allowed to
read in class,
they’re
boring
badly designed
full of texts to recite and problems to solve
but nothing fun to interest us
Then
we started to
put
anther book
inside
a larger textbook,
pretending
My mother
wrapped
all my textbooks
using
?
Lots of my classmates
did this too.
We all did this
because
while
our parents thought
But
the book
wasn’t protected,
and
we never thought about
cherishing them,
I believe.
We
used to buy
dozens of textbooks
and even more exercise books
each year.
Part of them
we never even used
while
some others were:
teared apart
covered by drawings
pages missing or broken…
I’m glad that
I
kept
these old textbooks,
and
it was
a fun process
to make this book,
looking back on
what I went through at the innocent age
how my generation was educated
I was impressed by:
those beautiful drawings
the fine details of the illustrations in science book
but also surprised by:
the amount of ridiculous contents in the textbook
Sometimes
I start to
recall
when looking at a page.
And
I love it
when people
?
while
?


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Images, testimonials, documents, etc. Any evidence you think can appropriately show that you have applied what you have learnt in the real world.


I have bachelor degree in Business Accounting and I was working in the SEO field,
working in the IT field made me realize that I was born to code!
currently I'm studying Computer Science in the University of Pecs, Hungary.
I’m constantly learning web development technologies and other design related topics, currently playing around with Vue & Nuxt, Quasar, and Laravel.
View ResumeNuxt web app using TMDB to keep up with new movies & shows where you can rate and save movies & shows in "to watch list"
Budget calculator App, It calculates the net income and the percentage of each expense entry and total expenses as well
A simple and fun game, guess which color tile from the three or six tiles corresponds to given RGB code.
Dice rolling game, As long as you are not getting ones, you can keep on rolling dice, but don't be greedy because you might loose it all!


Haze wraps India's capital again as air quality plummets
by Sankalp PhartiyalNEW DELHI (Reuters) - Haze shrouded India’s capital city again on Monday, with residents braving dangerous air quality to return to work after a weekend of clearer air and better weather.
The air quality index of the U.S. Embassy in New Delhi stood at “hazardous” levels of 497 as of 0630 GMT, with levels of airborne PM 2.5 - particles that can reach deep into the lungs - touching nearly 700 in parts of the city.
That is more than 10 times the recommended safe limit of 60 for PM 2.5.
A dip in wind speed and temperature is making air denser, trapping pollutants and worsening air quality, said Vivek Chattopadhyay, a senior programme manager at New Delhi-based non-profit Centre for Science and Environment.
The city government of Delhi, a metropolis of over 20 million, is restricting the use of private cars until Nov. 15 with an “odd-even” system - allowing cars on alternate days, depending on whether their licence plate ends in an odd or even number.
The scheme, which includes a two-day waiver for a religious festival, has helped little, prompting environmentalists to call for urgent action.
“The chief minister (of Delhi) needs to declare an emergency,” said Bharati Chaturvedi, founder of the Chintan environmental advocacy group. “If this was the plague, he would have declared an emergency.”
Every year, as India’s winter season approaches, farmers in Delhi’s neighboring Punjab and Haryana states, where agriculture is a mainstay, burn off rice field stubble in preparation for the sowing season.
The smoke from fields mixes with vehicle exhaust and construction dust, making Delhi the world’s most-polluted capital.
India’s Supreme Court last week chided authorities for their failure to curb the pollution and asked the city government, its neighboring states and the federal government to work together to help improve air quality.


When you work with us,you are part of a team of commited collaborators.All aspects of our software development process are intergrated, interactive and agile.
Our approach unifies design, development and product management to create exceptional products.
We start each project by understanding your business goals, the user's needs and the product requirements.
Then we help translate them into effective and elegant solutions.
Before we start a contract or write a line of code our team will spend the necessary time needed to understand your product vision.
The outcome of this scoping session is a proposal or high-level statement of work.
Based on your requirements, we can provide a complete offering or just the pieces you need.
Our design practice offers a full range of services including brand strategy, interaction and visual design and user experience testing.Throughout your project, our designers create and implement visual design and workflows, solicit user feedback and work with you to make sure what gets built is what is needed.
All engineers are fluent in the latest enterprise, mobile and web development technologies. They collaborate with your team to write and improve code on a daily basis, using proven practices such as test-driven development and pair programming.
Planning and development is iterative. Because we are constantly coding and testing, the products we build are always ready to go live. This iterative process allows for changes as businesses requirements evolve.
DELANI STUDIO2021


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Use the below buttons to add/remove a single event listener.
Click the below button. If the event listener has been added and not yet removed again, it will print a message to the console.
Click the below button to remove the listener added via the second approach.