Thanks for checking out the pre-course reading material. This page contains some preparatory reading and an exercise on question formulation that will introduce the importance of engaging with stakeholders, particularly during the planning stages of a review. It will also introduce the process of question formulation: going from a typically broad topic to a narrow, focused review question. Tools to define key elements of a review question will be discussed, along with the importance of stakeholder engagement during establishment of the question’s scope and any definitions of complex terms for ensuring a wide acceptance and endorsement of the review among all stakeholders. This session will include a practical exercise including the design of a review question, and formulating and defining the review question’s key elements.
During the physical course, we will spend more time on question formulation and particularly on stakeholder engagement, so for now, feel free to focus more on question formulation and breaking questions down into their key components. THis is described in the Guidance from the Collaboration for Environmental Evidence, linked to below.
This preparation will allow us to dive straight into your own real examples of systematic review/map questions during our course, and will give us more time to help you individually with your research.
Learning objectives:
In preparation for the course, read the second chapter of the guidance from the Collaboration for Environmental Evidence here. We'll revisit sections of the CEE Guidance throughout the course. It focuses on environmental and conservation topics, but is subject agnostic, meaning that it's useful for other disciplines, too. Feel free to focus instead on the Cochrane Guidance if you work with healthcare topics. If you are particularly interested in stakeholder engagement, you may also want to read the Open Access (free) book Stakeholder Engagement in Environmental Evidence Synthesis.
As we'll see during the physical course, it is vital to be able to break down a systematic review or map question into its key elements. in this practical exercise, take some time to break down the following example questions into their key elements using the template table provided.
If you're still unclear on what the key elements of a systematic review question are, please ensure that you have read section 2.3 of the CEE Guidelines, available here: http://www.environmentalevidence.org/guidelines/section-2.
Use the following table as a template to help you think about the main parts of each question:
a) How does the size and density of kelp forest affect fisheries in the Pacific?
b) Are reintroduction programs effective for increasing populations of African wild dogs in South Africa?
c) What is the impact of flooding on abundance of trout in Chilean rivers?
How did that go? Hopefully, you were able to come to similar conclusions. In some cases, it's not black-and-white when it comes to what is an intervention and what is the population, and it can be quite challenging to separate all of the elements. In other cases, we may not know exactly what we're looking for for all of the elements: for example, we may not yet know what interventions we will find, but instead, we want to identify them from the literature. And don't worry if you disagreed with the model answers - the process becomes easier with practice and experience!


Today's Round-Up(lifting) Stories
FDA Approves Lifesaving Device for Premature Babies The Food and Drug Administration (FDA) recently approved a medical device poised to save thousands of premature babies born with a life-threatening congenital condition called patent ductus arteriosus. The device, called the Amplatzer Piccolo Occluder, allows doctors to correct the condition through a minimally invasive procedure.
Volunteers Cleanup National Parks During Shutdown Volunteers across the nation are taking action to keep national parks and monuments clean during the government shutdown. At Yellowstone National Park, local businesses are contributing funds to keep the park functioning during the high season.
This Once Homeless Man is Bringing Internet Access to Households in the Bronx Marlin Jenkins was struck by the digital divide impacting residents in the Bronx, where 40% of households are without internet access. To alleviate this shortage, Mr. Jenkins decided to establish a start-up called Neture that provides free online resources to low-income residents.
Rhode Island Nonprofit Rescues Elderly Dogs After being moved by the state of elderly dogs in pet shelters, Kristen Peralta decided to start Vintage Pet Rescue, a nonprofit in Rhode Island that provides care for these older pups. Senior dogs have significantly lower adoption rates compared to younger dogs.
12 Year old Massachusetts boy feeds the homeless. Liam Hannon is spreading kindness in his town of Cambridge, Massachuesetts. He has handed out over 2,000 meals to the homeless in the last year with a handwritten message.
Adults could rock themselves to better sleep and memory, study says Insomniacs may need to return to their earliest remedies for a good night's sleep: A bed that gently rocks like a cradle helped a small group of adults sleep better and longer, a study published Thursday in Current Biology found.
|


UK election: Conservatives steady at 40%, Labour up one point to 30%
by ReutersLONDON (Nov 8): Support for Prime Minister Boris Johnson's Conservatives was unchanged at 40% while the Opposition Labour Party was up one percentage point at 30% after the first days of campaigning for Britain's Dec 12 election, a poll by Panelbase showed.
The pro-European Union Liberal Democrats had the support of 15%, up one point, and the Brexit Party was on 8%, down one point, according to the poll published on Friday.
It had a sample size of 1,046 people and was conducted between Nov 6 and 8, Panelbase said.


To Do list
Click Add button to add task on to list
Click Delete button to remove the task from the list
Add


{% extends "base_minimal.html" %} {% import "bootstrap/wtf.html" as wtf%} {% from "security/_macros.html" import render_field_with_errors, render_field %} {% block content %} {% include "security/_messages.html" %}


All Classes
Board
BoardTest
DataRepository
Game
GameEventListener
HighscoreController
HighscoreElement
HighscoreModel
IShape
IShapeTest
JShape
JShapeTest
LShape
LShapeTest
Matrix
MatrixHelper
MatrixHelperTest
NameController
OShape
OShapeTest
Position
Shape
SShape
SShapeTest
Tetriscontroller
TShape
TShapeTest
Window
ZShape
ZShapeTest


Watch Deontay Wilder vs. Luis Ortiz 1 full fight video replay
by Dan HiergesellSurging WBC heavyweight champion Deontay Wilder (41-0-1, 40 KO) will look to solidify his status as the baddest man on the planet this evening (Sat., Nov. 23, 2019) live on FOX PPV from inside MGM Grand Garden Arena in Las Vegas, Nevada, when he runs it back with Cuban contender Luis Ortiz (31-1, 26 KO).
This will be a rematch from their first encounter back in March of 2018. That fight took place inside Barclays Center in Brooklyn, New York, and produced one of the most memorable finishes of the year.
After getting outclassed on the feet early into the fight, Wilder was forced to make up ground in the later rounds. "Bronze Bomber" did just that as he launched his patented looping power punches and ended up catching Ortiz with a 10th-round TKO. It was the second-latest finish of Wilder's professional boxing career.
Check out the full fight video replay above courtesy of Premier Boxing Champions (PBC).
Not only did this win keep Wilder's undefeated professional boxing record in tact but it helped set up his late-2018 clash with Tyson Fury. "Bronze Bomber" will now have another chance to take out Ortiz and lock down a rematch with "Gypsy King" next year.


pdf2textbox’s doc¶
A PDF-to-text converter based on pdfminer2.
Converts PDF-files to text and avoids caveats (headers, pagenumbers, indented quotes, ...) that PDF-files have in store for the unsuspecting PDF converter.
Extracts two-columned PDF-files with a good chance to get text in the original order.
See also
Extract PDF-files with pdfminer2
What’s the tweak?¶
While pdfminer2 works well for plain text there will be issues when that text is in two or more columns, when there are indented quotes, headers on every page, pagenumbers, dates, and more. The solutions that can be found (i.e. detailled aggregator, pyPDF, ...) break down the PDF document into lines which in consequence leads to problems when parsing the resulting text.
pdf2textbox returns the extracted text within boxes which makes the final conversion into a coherent and meaningful text document easier and prone to success. Graphs, tables, and other visual or 2D blocks will still cause havock.
Features¶
Convert PDF to text in the original order. This works well for PDF-files without tables, graphs, and other stuff.
After extracting the text in boxes, there still has to be run another function to strip the text of special signs, zeroes and the like.
Note¶
The textboxes will NOT be identical with paragraphs of the PDF-file. There might be cases when a textbox ends mid-sentence just to be coninued with the next box. This is due to the PDF file’s graphic-oriented organization of content. However, the order of text will be correct.
When a document contains indexes, tocs, footnotes and other stuff, there is still a good chance to get hold of the text in a meaningful order, however the task to strip and reconnect the boxes will become tedious.


EBD - Easton Bible DIctionary
Archi
ARCHI
"ARCHI "a city on the boundary of Ephraim and Benjamin (
Joshua 16:2
), between Bethel and Beth-horon the nether.
"ARCHI "a city on the boundary of Ephraim and Benjamin (Joshua 16:2), between Bethel and Beth-horon the nether.


Machine Made Dubstep is composed by the creative genius Ike Kramer. It is designed through a TensorFlow implementation of DeepMind's WaveNet model.
 - Joseph Nelson
"First Ikerosoft and now this. Ike is probably the smartest guy in the world" - Sam Stack
"I cried listening to it, it was so beautiful." - The Brems
"Trying to make dubstep with a machine is sort of like playing god" - Tim Mckinnon
Feel free to email us to provide some feedback letting us know how filthy the dubstep is!


Hi, my name is Andrew and I have more than 10 years experience in web design and development. I have worked alongside some of the largest technology companies in the world including Adobe, Oracle, Google, Samsung, LG, and Apple.
I currently reside in the beautiful state of Arkansas, where people’s spirits are as high as the humidity! When I am not working, I enjoy spending time with my family, traveling, and reading. Reach out to me via email if you would like to connect concerning a web design or development project.


Do you have a question or comment about this service? Is there a feature you would like to see added?
This tool is in the very early stages of development and you can help shape its evolution by providing feedback here below.
Do you have a question or comment about this service? Is there a feature you would like to see added?
This tool is in the very early stages of development and you can help shape its evolution by providing feedback here below.
Welcome to join the OData mailing list to provide feedback or report issues.


Jaime Perez
Game Developer - Web Developer
I am a programmer that loves solving problems and facing new challenges. I have a big passion for videogames which has made me become a game developer where I can put in practice my programming skills to create games. I see videogames as universes where we can define the rules and I can put my creativity as a developer to generate experiences.
As a gamer I have found not only joy but admiration for videogames which gave me the motivation to be a game developer.
When I am not working I like to do courses that make me better at what I do, to be up to date on the latest game news and one of my passions is to play bass guitar.


Next: stream-external-format, Previous: file-string-length, Up: Streams Dictionary
open
filespec &key direction element-type
if-exists if-does-not-exist
external-format
⇒ stream
filespec—a pathname designator.
direction—one of :input, :output, :io, or :probe. The default is :input.
element-type—a type specifier for recognizable subtype of character; or a type specifier for a finite recognizable subtype of integer; or one of the symbols signed-byte, unsigned-byte, or :default. The default is character.
if-exists—one of :error, :new-version, :rename, :rename-and-delete, :overwrite, :append, :supersede, or nil. The default is :new-version if the version component of filespec is :newest, or :error otherwise.
if-does-not-exist—one of :error, :create, or nil. The default is :error if direction is :input or if-exists is :overwrite or :append; :create if direction is :output or :io, and if-exists is neither :overwrite nor :append; or nil when direction is :probe.
external-format—an external file format designator. The default is :default.
stream—a file stream or nil.
open creates, opens, and returns a file stream that is connected to the file specified by filespec. Filespec is the name of the file to be opened. If the filespec designator is a stream, that stream is not closed first or otherwise affected.
The keyword arguments to open specify the characteristics of the file stream that is returned, and how to handle errors.
If direction is :input or :probe, or if if-exists is not :new-version and the version component of the filespec is :newest, then the file opened is that file already existing in the file system that has a version greater than that of any other file in the file system whose other pathname components are the same as those of filespec.
An implementation is required to recognize all of the open keyword options and to do something reasonable in the context of the host operating system. For example, if a file system does not support distinct file versions and does not distinguish the notions of deletion and expunging, :new-version might be treated the same as :rename or :supersede, and :rename-and-delete might be treated the same as :supersede.
These are the possible values for direction, and how they affect the nature of the stream that is created:
Causes the creation of an input file stream.
Causes the creation of an output file stream.
Causes the creation of a bidirectional file stream.
Causes the creation of a "no-directional" file stream; in effect, the file stream is created and then closed prior to being returned by open.
The element-type specifies the unit of transaction for the file stream. If it is :default, the unit is determined by file system, possibly based on the file.
if-exists specifies the action to be taken if direction is :output or :io and a file of the name filespec already exists. If direction is :input, not supplied, or :probe, if-exists is ignored. These are the results of open as modified by if-exists:
An error of type file-error is signaled.
A new file is created with a larger version number.
The existing file is renamed to some other name and then a new file is created.
The existing file is renamed to some other name, then it is deleted but not expunged, and then a new file is created.
Output operations on the stream destructively modify the existing file. If direction is :io the file is opened in a bidirectional mode that allows both reading and writing. The file pointer is initially positioned at the beginning of the file; however, the file is not truncated back to length zero when it is opened.
Output operations on the stream destructively modify the existing file. The file pointer is initially positioned at the end of the file.
If direction is :io, the file is opened in a bidirectional mode that allows both reading and writing.
The existing file is superseded; that is, a new file with the same name as the old one is created. If possible, the implementation should not destroy the old file until the new stream is closed.
No file or stream is created; instead, nil is returned to indicate failure.
if-does-not-exist specifies the action to be taken if a file of name filespec does not already exist. These are the results of open as modified by if-does-not-exist:
An error of type file-error is signaled.
An empty file is created. Processing continues as if the file had already existed but no processing as directed by if-exists is performed.
No file or stream is created; instead, nil is returned to indicate failure.
This option selects an external file format for the file: The only standardized value for this option is :default, although implementations are permitted to define additional external file formats and implementation-dependent values returned by stream-external-format can also be used by conforming programs.
The external-format is meaningful for any kind of file stream whose element type is a subtype of character. This option is ignored for streams for which it is not meaningful; however, implementations may define other element types for which it is meaningful. The consequences are unspecified if a character is written that cannot be represented by the given external file format.
When a file is opened, a file stream is constructed to serve as the file system’s ambassador to the Lisp environment; operations on the file stream are reflected by operations on the file in the file system.
A file can be deleted, renamed, or destructively modified by open.
For information about opening relative pathnames, see Merging Pathnames.
(open filespec :direction :probe) ⇒ #<Closed Probe File Stream...> (setq q (merge-pathnames (user-homedir-pathname) "test")) ⇒ #<PATHNAME :HOST NIL :DEVICE device-name :DIRECTORY directory-name :NAME "test" :TYPE NIL :VERSION :NEWEST> (open filespec :if-does-not-exist :create) ⇒ #<Input File Stream...> (setq s (open filespec :direction :probe)) ⇒ #<Closed Probe File Stream...> (truename s) ⇒ #<PATHNAME :HOST NIL :DEVICE device-name :DIRECTORY directory-name :NAME filespec :TYPE extension :VERSION 1> (open s :direction :output :if-exists nil) ⇒ NIL
The nature and state of the host computer’s file system.
If if-exists is :error, (subject to the constraints on the meaning of if-exists listed above), an error of type file-error is signaled.
If if-does-not-exist is :error (subject to the constraints on the meaning of if-does-not-exist listed above), an error of type file-error is signaled.
If it is impossible for an implementation to handle some option in a manner close to what is specified here, an error of type error might be signaled.
An error of type file-error is signaled if (wild-pathname-p filespec) returns true.
An error of type error is signaled if the external-format is not understood by the implementation.
The various file systems in existence today have widely differing capabilities, and some aspects of the file system are beyond the scope of this specification to define. A given implementation might not be able to support all of these options in exactly the manner stated. An implementation is required to recognize all of these option keywords and to try to do something "reasonable" in the context of the host file system. Where necessary to accomodate the file system, an implementation deviate slightly from the semantics specified here without being disqualified for consideration as a conforming implementation. If it is utterly impossible for an implementation to handle some option in a manner similar to what is specified here, it may simply signal an error.
With regard to the :element-type option, if a type is requested that is not supported by the file system, a substitution of types such as that which goes on in upgrading is permissible. As a minimum requirement, it should be the case that opening an output stream to a file in a given element type and later opening an input stream to the same file in the same element type should work compatibly.
with-open-file, close, pathname, logical-pathname,
open does not automatically close the file when an abnormal exit occurs.
When element-type is a subtype of character, read-char and/or write-char can be used on the resulting file stream.
When element-type is a subtype of integer, read-byte and/or write-byte can be used on the resulting file stream.
When element-type is :default, the type can be determined by using stream-element-type.
Next: stream-external-format, Previous: file-string-length, Up: Streams Dictionary


Pass a string as the className
prop:
render() {
return Menu
}
It is common for CSS classes to depend on the component props or state:
render() {
let className = 'menu';
if (this.props.isActive) {
className += ' menu-active';
}
return Menu
}
Tip
If you often find yourself writing code like this, classnames package can simplify it.
Yes, see the docs on styling here.
CSS classes are generally better for performance than inline styles.
"CSS-in-JS" refers to a pattern where CSS is composed using JavaScript instead of defined in external files.
Note that this functionality is not a part of React, but provided by third-party libraries. React does not have an opinion about how styles are defined; if in doubt, a good starting point is to define your styles in a separate *.css
file as usual and refer to them using className
.
React can be used to power animations. See React Transition Group and React Motion or React Spring, for example.


class EventsController
Public Instance Methods
create()
click to toggle source
POST /events POST /events.json
# File app/controllers/events_controller.rb, line 64 def create @event = Event.new(event_params) #Makes so that the created event is tied to the active user @event.user = current_user respond_to do |format| if @event.save # Event owner must join the event event = Event.last event_id = event.id event_user_id = event.user_id event_obs = 'I am the owner of this event' event_status = true act = Active.new(user_id: event_user_id, event_id: event_id, status: event_status, obs: event_obs) act.save # end of joining event format.html { redirect_to @event, notice: 'Event was successfully created.' } format.json { render :show, status: :created, location: @event } else format.html { render :new } format.json { render json: @event.errors, status: :unprocessable_entity } end end end
destroy()
click to toggle source
DELETE /events/1 DELETE /events/1.json
# File app/controllers/events_controller.rb, line 105 def destroy @event.destroy respond_to do |format| format.html { redirect_to events_url, notice: 'Event was successfully destroyed.' } format.json { head :no_content } end end
edit()
click to toggle source
GET /events/1/edit
# File app/controllers/events_controller.rb, line 59 def edit end
filter_by_category(category)
click to toggle source
# File app/controllers/events_controller.rb, line 153 def filter_by_category(category) @events_by_category = [] if category != nil @current_category = category Event.all.each do |e| if e.category == @current_category @events_by_category += [Event.all.find(e.id).id] #e.id has to become an array to be appended into events_by_city end end @events_by_category = @events_by_category.sort end end
filter_by_city(city)
click to toggle source
# File app/controllers/events_controller.rb, line 140 def filter_by_city(city) @events_by_city = [] if city != nil @current_city = city Event.all.each do |e| if e.city == @current_city @events_by_city += [Event.all.find(e.id).id] #e.id has to become an array to be appended into events_by_city end end @events_by_city = @events_by_city.sort end end
index()
click to toggle source
Adding pagination to the index action
# File app/controllers/events_controller.rb, line 11 def index if logged_in? @places = Event.order('created_at DESC') @events_ordered = Event.order('startdate ASC') filter_by_city(params["city"]) @categories = Category.all filter_by_category(params["category"]) search_results # Search by city for paginate if params["city"] != nil city_events = [] @events_by_city.each do |e| city_events << @events_ordered.find(e) end @events = city_events.paginate(page: params[:page], per_page: 5) else # Search by category for paginate if params["category"] != nil cat_events = [] @events_by_category.each do |e| cat_events << @events_ordered.find(e) end @events = cat_events.paginate(page: params[:page], per_page: 5) else @events = @events_ordered.paginate(page: params[:page], per_page: 12) end end else flash[:danger] = "You don't have permission to perform this action." redirect_to root_path end end
new()
click to toggle source
GET /events/new
# File app/controllers/events_controller.rb, line 54 def new @event = Event.new end
search_results()
click to toggle source
Custom Methods ==============#¶ ↑
# File app/controllers/events_controller.rb, line 115 def search_results search_request = params["search"] if search_request != '' search = Event.all @search_results = search.where('title ILIKE :search', search: "%#{search_request}%") @search_results += search.where('country ILIKE :search', search: "%#{search_request}%") @search_results += search.where('city ILIKE :search', search: "%#{search_request}%") @search_count = @search_results.count cat = Category.all begin cat_result = cat.where('name ILIKE :search', search: "%#{params["search"]}%") @category_results = search.where('category ILIKE :search', search: "%#{cat_result[0].name}%") @category_count = @category_results.count rescue @category_results = [] @category_count = 0 end else @search_count = 0 @category_count = 0 @category_results = [] end end
show()
click to toggle source
GET /events/1 GET /events/1.json
# File app/controllers/events_controller.rb, line 48 def show @event = Event.find(params[:id]) filter_by_city(params["city"]) end
update()
click to toggle source
PATCH/PUT /events/1 PATCH/PUT /events/1.json
# File app/controllers/events_controller.rb, line 91 def update respond_to do |format| if @event.update(event_params) format.html { redirect_to @event, notice: 'Event was successfully updated.' } format.json { render :show, status: :ok, location: @event } else format.html { render :edit } format.json { render json: @event.errors, status: :unprocessable_entity } end end end


Women are often neglected in the society and thus, through self-employment and easy access to credit, SecondWalletNG helps to empower these women. In addition, studies have shown that the overall output of development is greater when loans are given to women instead of men, as women are more likely to use their earnings to improve their living situations and to educate their children.
Market woman Scheme
Asset Financing
Public and private retail
S.M.E
Absolutely, NO!
Yes
About Secondwallet
Testimony house GRA P.O Box 4824, ilorin, kwara state, Nigeria
The passages of Lorem Ipsum available but the majority ave suffer alteration embarrased the point of using Lorem sum is that it has a more-or-less normal distribution.
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After Approved
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Wave Ciudadana - App for creation of polls and proposals at the political level. React project, using React Router, styled-components and Ant.design, consuming REST API, responsible for design UI/UX.
Create functionalities and improvements for Hugo projects, PSD to front-end code, create and maintain layouts HTML/CSS/JS, involved in E-commerce projects in platforms like jumpseller and bigcommerce.
Supervision of team members in development department, responsible for mentorship and guidance to technical team members in all project activities on multiple small to medium sized projects or one large project. Able to shift between a creative and a technical focus depending on the project need and/or the type of project. Create high performant UI/UX for web.
PSD to front-end code, web design from scratch, write maintainable, scalable and responsive code, use Gulp as development workflow, use framework Ruby on Rails.
Waiting for graduation: 2020


Style Guide
The style guide defines a set of guidelines that the design follows to maintain a consistent look and feel. It is defined to be flexible, easy to update and consistent. Before delving deeper into the UI or developing additional features we recommend familiarizing yourself with some of the items.
Prerequisites
For admin interface development, it may come handy to run npm or grunt from the command line. For that, you can either install those tools globally on your machine, or use the versions Opencast installs locally when building via Maven. If you want to do that, you may want to add the installation folders to your path variable:
cd modules/admin-ui
export PATH=node:node_modules/.bin:$PATH
Debugging Javascript unit tests
Our Javascript unit tests are built in Jasmine (a behavior-driven development framework for
testing JavaScript code), and live in modules/admin-ui/src/test/resources/test/unit
.
Occasionally something breaks, or you need to disable or focus on a single test. While reading the Jasmine, Karma and Grunt docs are encouraged, here are a few common recipes that might be useful:
Disabling a unit test temporarily
Add x
to the broken test. For example:
| Before | After |
|---|---|
it('runs a test', function () { |
xit('runs a test', function () { |
Running a single unit test
Add f
(for focus) to the relevant test. For example:
| Before | After |
|---|---|
it('runs a test', function () { |
fit('runs a test', function () { |
Triggering a browser debugging session
This triggers an instance of the selected browser(s) to open and begin running
the tests. There will be a Debug
button which will open another tab where the JavaScript has not been minified,
use this second tab for debugging. Refreshing the debugging page will rerun the tests.
To run Karma
-
Chrome
npm run test-chrome
-
Firefox
npm run test-firefox
-
IE
npm run test-ie
Additional browsers are supported, the full list can be found at https://karma-runner.github.io/.
Live working with a running Opencast
In order to speed up the UI development process, you can test the code without building the module with Maven. There is a Grunt task for starting a standalone web server offering the UI from the source and a separate task that will monitoring any change to the Sass, JavaScript and HTML files and reload the page dynamically.
Be warned that some functionality in this live setup can be limited. Before reporting an issue, please test if you can reproduced the issue with a built Opencast.
This setup may be configured as follows:
-
Follow the instructions in the Prerequisites section.
-
Start your Opencast instance.
-
Change to the Admin UI module directory.
cd modules/admin-ui
-
Install project dependencies.
npm install
-
Start the standalone web server by running:
grunt proxy --proxy.host=http://localhost:8080 --proxy.username=opencast_system_account --proxy.password=CHANGE_ME
Note: host, username and password have to match your configuration ../etc/custom.properties
Grunt should print out the URL where you can see the standalone page running from source.
Started connect web server on http://localhost:9000
To run the watcher that updates the displayed page dynamically, run in the same folder:
grunt watch
Which should then display:
Running "watch" task
Waiting...
The watch process monitors the js
,scss
and sass
files for changes and should dynamically reload the page.
Note: A refresh of the page might be required to start the live reload script
Live working with a Mockup
If you do not want to keep a running Opencast instance for developing the Admin UI NG, you can start a mockup.
Be warned that a lot of this mockup's functionality acts very differently from an actual Opencast instance
This setup may be configured as follows:
-
Follow the instructions in the Prerequisites section.
-
Change to the Admin UI module directory.
cd modules/admin-ui
-
Install project dependencies.
npm install
-
Start the mockup webserver by running:
grunt serve
Grunt should print out the URL where you can see the standalone page running from source.
Started connect web server on http://localhost:9000
If you make changes to the Admin UI NG source files, the page should auto reload to display the changes.
Update Node Dependencies
Installing npm-check-updates
and running it at the start of developing / improving a component can ensure that the
node modules stays up-to-date and dependency bugs are reduced.
Note: Test the build (mvn install
, npm install
, grunt
) thoroughly when upgrading modules as this might cause some
unexpected build failures (resetting the grunt version to "grunt": "^0.4.0" might resolve some of the initial issues).
-
Installation.
npm install -g npm-check-updates
-
Show any new dependencies for the project in the current directory.
ncu
-
Upgrade a project's package file.
ncu -u
A detailed reference of the command-line tool can be found at https://www.npmjs.com/package/npm-check-updates.


---
layout: null
section-type: about
title: About
---
## About
Thanks for dropping by. I hope that it will not waste your time, but in case it does, at least I tried.
Originally from Athens, Greece, I started my adventures in Computer Science and Technology from University of Athens where I received my Bachelor in Computer Science and Master in Software Engineering.
Between those, I spent a creative year in Geneva, Switzerland where I worked at CERN as a Computer Security researcher.
While attending my master's, I was working as a Machine Learning researcher for the KDD lab, supervised by Dimitrios Gunopulos.
During my last summer break of my studies, I moved to Oslo, Norway, as an intern for Microsoft Development Center Norway.

But, apart from being a cool guy geek,
I enjoy playing and composing music, messing with hardware, playing card games, yo-yoing and collecting comic books and vinyls.
In general, my mind can zone out during any form of creative act. Opinions expressed here are mine.


Contains extensions to the
java.awt.font
package. This package provides new
TextLayout
algorithm and a comprehensive way to handle SVG text attributes such stroked text or multiple font families.


Here is an ever-growing list of plugins and tools used for taking payments with us. There are plugins for shopping carts, CMS suites, and programming language libraries. If you know of one that isn’t listed let us know!
For a comprehensive list of our partners please visit our marketplace.
| Platform | Plugin |
|---|---|
| 3dCart | 3dCart |
| Cart66 | Cart66 |
| Drupal | Drupal |
| Jigoshop | Jigoshop |
| Joomla | Joomla |
| Lemonstand | Lemonstand |
| Magento | Collins Harper |
| Magento | Schogini |
| Magento | Sellxed |
| Mijireh (WordPress) | Mijireh |
| NopCommerce | NopCommerce |
| OpenCart | OpenCart |
| PinnacleCart | PinnacleCart |
| Prestashop | Prestashop |
| Shopp (WordPress) | Shopp |
| UberCart (Drupal) | Arvana |
| UltraCart | UltraCart |
| Volusion | Volusion |
| WooCommerce (WordPress) | WooCommerce |
| WP eCommerce (WordPress) | Patsatech |
| ZenCart | ZenCart |


Summon Bot
Hand
0
Opponent Defences
Opponent Play Area
⚔
0
£
0
Discard Pile
Deck
0
0
Supply Row
Reserve
Opponent Reserve
Scrap
Attack
End Turn
Defences
Play Area
⚔
0
£
0
Discard Pile
Deck
Hand
Play up to
0
more cards
You must discard
0
cards
0
0


--- layout: base --- Home Research Projects About {{ page.title }} {{ page.subtitle }} {{ content }} {% include footer.html %}


Megasource Vision is an IT Consultancy business. We are a growing and diversifying firm as the needs of our clients and partners increase. We offer services to small and medium businesses that want to take their business to a higher level. Through social media, networking and collaboration we provide services ranging from web design, developing business strategies and analysis to projects management. MSVit is aimed at promoting and supporting businesses and carrying out projects from startup to finish.
MSVit is built on the foundation of professional experience with respectable years of inspection and quality assurance in Oil and Gas industry, Information Technology including Database Design, Business Development and Analysis, Consultancy and working knowledge of Project Management. MSV Consult is based in Birmingham operating in the West Midlands extending to other parts of the UK. We are constantly looking for partners to network with as no business is an island.
MSVit is an arm of MSV Consult. We are a growing business and diversifying as the needs of our clients
and partners increase.
We offer services to small and medium businesses that want to take their business to a higher level. Through social
media, networking and collaboration we provide services ranging from web design, developing business strategies and
analysis to projects management.
We provide these services:
MSVit is aimed at promoting and supporting business and carrying out projects from startup to execution. This includes training and coaching
Every client is special irrespective of the size and scope of their custom. No business is too small or less
important.
We treat our customers with utmost care and professianalism. We value honesty to deliver therefore, we strive to use
our internal and external resources to fulfil project mandates within budget and timeline.
Cleansedvision This is a small business as one of our first clients. A bespoke website was designed to meet the client's business needs and user story.
Our prospective and existing clients can make contact with us through our online form or call or email us and we will be in touch. MSV Consult is based in Birmingham operating in the West Midlands extending to other parts of the UK. We are constantly looking for partners to network with as no business is an island.


{% extends 'login/base.html' %} {% block content %}
{% if text != 'successful' %} Didn't find your book :( Don't worry click here {% endif %} {% for book in books %}
{{ book.title }}
{{ book.author }}
{% for tag in book.tags %}
{{ tag }}
{% endfor %}


---
layout: default
---
Speedround (true/false)
- Ninjadev was awarded ‘worst group of people ever’ in 2012.
- The first year Ninjadev attended Solskogen, they won the web demo compo
- When playing code golf, not one single member of Ninjadev managed to get a piece of code to under 140 characters, and could therefore not tweet the solution
- One member of Ninjadev drunkenly bought hitlr.co to be the next big platform for number one hits, and not in any way, shape or form to be associated with another man with a similar sounding name


Cloud Vision V1 API - Module Google::Cloud::Vision::V1::Feature::Type (v0.6.4)
Reference documentation and code samples for the Cloud Vision V1 API module Google::Cloud::Vision::V1::Feature::Type.
Type of Google Cloud Vision API feature to be extracted.
Constants
TYPE_UNSPECIFIED
value: 0
Unspecified feature type.
FACE_DETECTION
value: 1
Run face detection.
LANDMARK_DETECTION
value: 2
Run landmark detection.
LOGO_DETECTION
value: 3
Run logo detection.
LABEL_DETECTION
value: 4
Run label detection.
TEXT_DETECTION
value: 5
Run text detection / optical character recognition (OCR). Text detection
is optimized for areas of text within a larger image; if the image is
a document, use DOCUMENT_TEXT_DETECTION
instead.
DOCUMENT_TEXT_DETECTION
value: 11
Run dense text document OCR. Takes precedence when both
DOCUMENT_TEXT_DETECTION
and TEXT_DETECTION
are present.
SAFE_SEARCH_DETECTION
value: 6
Run Safe Search to detect potentially unsafe
or undesirable content.
IMAGE_PROPERTIES
value: 7
Compute a set of image properties, such as the
image's dominant colors.
CROP_HINTS
value: 9
Run crop hints.
WEB_DETECTION
value: 10
Run web detection.
PRODUCT_SEARCH
value: 12
Run Product Search.
OBJECT_LOCALIZATION
value: 19
Run localizer for object detection.


Create an Event for users to subscribe
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Camera matrices calibration¶
General principles¶
The objective of the calibration procedure is to find:
The camera intrinsic matrix which results from the camera geometry \(F\).
The transormation matrix between the sample and the camera coordinate systems \(M\).
The intrinsic matrix is typically obtained by taking several pictures of a checkboard in different orientations. For more information, see The openCV documentation.
All the calibration functions are implemented in the calibration
module and are largely inspired from the following source.
The intrinsic camera matrix is recovered using the provided chessboard picture by the calibration.calib_len.get_cam_matrix()
function
-
calibration.calib_len.
get_cam_matrix
(calib_pics, chess_dim, chess_case_len)[source]¶ Finds the camera intrinsinc and distortion matrices
- Parameters
calib_pics – calibration chessboard pictures
chess_dim – Number of chess cases -1
chess_case_len – chess case length
pic – default None, picture frame to print in the gui
- Returns
camera intrinsinc and distortion matrices
The transformation matrix between each camera and the sample coordinate system can be obtained by taking a picture of a chessboard positioned in the sample coordiate system, e.g. at a 90° angle from the sample, so that it is seen by both camera simultaneously, as shown in the picture below.
The chessboard position is then computed using the solvePnP opencv function which provides the rotation Rodrigues vector and translation vector between the two coordinate systems.
Before computing the transformation matrix the chessboard orientation is recovered by detecting the circles positionned on the chessboard with the calibration.chessboard_tools.get_blob_position()
function. The chessbard coordinate system is then rotated by the calibration.chessboard_tools.change_chess_ori()
function. This is necessary to ensure that the two transformation matrix obtained for the two cameras will chose the same orientation for the chessboard coordinate system.
All of the step to find a camera transformation matrix with the right orientation are performed by the calibration.find_sample_ori.get_transfo_mat()
function.
-
calibration.find_sample_ori.
get_transfo_mat
(calib_pic_file, mtx, dist, chess_dim, chess_case_len, imgpoints=None)[source]¶ Finds the transformation matrix between the camera’s frame and the sample
- Parameters
calib_pic_file – picture file of the chessboard
mtx – camera intrinsinc matrix
dist – camera distorsion matrix
chess_dim – Number of cases per chess side minus one
chess_case_len – real life lenth of the chess square
- Returns
R, T Rotation Rodrigues vector and Translation vector
The function calibration.find_sample_ori.plot_proj_origin()
plots the reprojected chessboard points as well as the projection of the coordinate system axes and origin to check that the quality of the calibration. One must ensure that
The projected chess board points match effectively with the chessboard corners
The projected axes are consistent between the two cameras.
Finally, the whole calibration procedure can be performed at once using the calibration.calibrate_stereo()
function.
-
calibration.main.
calibrate_stereo
(left_lens, right_lens, left_pos, right_pos, calib_folder, chess_dim, chess_case_len)[source]¶ Calibrate a stereocamera system given calibration file names
- Parameters
left_lens,right_lens – path of the right and left camera lens calibration pictures
left_pos,right_pos – path of the right and left camera position pictures
calib_folder – calibration result folder
chess_dim – Number of chess cases -1
chess_case_len – chess case length
- Returns
nothing but generates the camera calibration files in the “res folder” mtx_top,mtx_left (camera intrinsinc matrix), dist_top,dist_left (passage matrix from the sample to
The function will save the calibration files contaning each camera matrices in the calibration folder, in a format that can be read by the analysis and post-processing programs.
Note
As it is computed by opencv, the camera rotation matrix is given as a Rodrigues vector.
Manual calibration¶
Sometimes the calibration.find_sample_ori()
may fail to detect the chessboard corners. In particular, when performing a calibration on a tilted sample, part of the chessboard might be out of focus for one of the two cameras which results in blury chessboard corners.
When automatic detection does not seem to be possible, the coordinate of the chessboard corners can be manually chosen. The list of point coordinates in the right order can then be given as input to calibration.find_sample_ori()
using the imgpoints parameter.
To obtain the corner coordinates list by simply clicking on the picture, use the click_coor.py provided in 3Drecons/calibration/manual. Simply change the value of the File variable for the path of your chessboard picture and click on the corners. When clicking, the point coordinates will automatically be appended in a “coord_list” file as a list.
Please be careful to select the chess corners in a consistent order for the top and left camera to ensure both camera will have the same origin and axes orientation. You can for instance follow the order provided in the pictures below to be consistent with 3Deye default.
Once all the chessboard point are selected for each picture, use the “manual.py” code to compute the calibration files for the two cameras using the manually provided coordinates. Two files “coord_list_top” and “coord_list_left” files containig the coordinate list of the corners should be positioned in the same directory as the code. The following variable values might need to be changed:
left_lens, right_lens: path of the calibration chessboard pictures for the top and left cameras (intrinsic matrix)
left_pos, right_pos: path of the left and top chessboard picture for the transormation matrix calculation
calib_folder: calibration folder where the calibration files should be saved
chess_dim: chess dimension (number of cases)
chess_case_length: chess case length (in cm)


| I l@ve RuBoard |
C++ Standard Library, The: A Tutorial and Reference
C++ Standard Library provides a set of common classes and interfaces that greatly extend the core C++ language. The library, however, is not self-explanatory. To make full use of its components-and to benefit from their power-you need a resource that does far more than list the classes and their functions.
The C++ Standard Library not only provides comprehensive documentation of each library component, it also offers clearly written explanations of complex concepts, describes the practical programming details needed for effective use, and gives example after example of working code.
This thoroughly up-to-date book reflects the newest elements of the C++ standard library incorporated into the full ANSI/ISO C++ language standard. In particular, the text focuses on the Standard Template Library (STL), examining containers, iterators, function objects, and STL algorithms. You will also find detailed coverage of special containers, strings, numerical classes, internationalization, and the IOStream library. Each component is presented in depth, with an introduction to its purpose and design, examples, a detailed description, traps and pitfalls, and the exact signature and definition of its classes and their functions. An insightful introduction to fundamental concepts and an overview of the library will help bring newcomers quickly up to speed.
Comprehensive, detailed, readable, and practical, The C++ Standard Library is the C++ resource you will turn to again and again.
| I l@ve RuBoard |


Usage¶
boreholetools is a collection of modules to QC geoscientific borehole data of various types
- convert/verify/interpolate well trajectory data / deviation surveys
- convert apparent bed dip/dip azimuth information measured within a wellbore to true bed dip/dip azimuth
- calculate true vertical/stratigraphic thickness from well marker files using dip information
Note
Documentation in progress…
Testing¶
a
- b
- c
Note
d
- e
- Install
Do
Do:
mysql -u root < <Path to file>/create_db.sql
Note
f
Initialize:
$ python >> >>
Run boreholetools.py:
python boreholetools.py ARGUMENTS
Built With¶
- a


Tags: nan
Style: Muralism
Artist: Rivera Diego
Title: The Mechanization ofThe Country
Year: 1926
Genre: allegorical painting
Categories: altar (39.8%); vault (16.1%); totem_pole (10.6%); monastery (9.3%); church (5.0%)
<< previous image next image >>


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Final Fantasy X Quiz!
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--- layout: page title: About header-img: "img/about-bg.png" ---
Newbie coder trying to work my way through the ins and outs of learning the beast that is coding.


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Twins spring training tickets go on sale
by WFTX Digital TeamFORT MYERS, Fla. — Prepare for baseball Southwest Florida Twins spring training tickets go on sale a week from tomorrow.
Starting December 3rd, you can get tickets online or by phone.
The Hammond Stadium box office opens January 11th.
The first Twins spring training game is February 23rd against the Toronto Blue Jays.
Tickets for the Red Sox go on sale December 7th!
You can buy tickets online, starting at 10 am.


--- layout: post title: P, NP, NP-complete and NP-Hard ? date: type: post published: false status: draft categories: [] tags: [] meta: _edit_last: '82754425' geo_public: '0' author: login: feroz29 email<EMAIL_ADDRESS>display_name: feroz29 first_name: '' last_name: '' ---
In abstract sense, they are classes of decision problems having certain characteristics regarding their run time complexities.
**Decision problem: A problem with a yes or no answer.
P is a complexity class that represents the set of all decision problems that can be SOLVED in polynomial time. That is, given an instance of the problem, the answer yes or no can be decided in polynomial time.
NP is a complexity class that represents the set of all decision problems for which the instances where the answer is "yes" have proofs that can be VERIFIED in polynomial time.
Some people think P = NP, which means any problem that can be verified in polynomial time can also be solved in polynomial time and vice versa. If they could prove this, it would revolutionize computer science because people would be able to construct faster algorithms for a lot of important problems.
Intuitively, these are the problems that are at least as hard as the NP-complete problems. NP-hard problems do not have to be in NP, and they do not have to be decision problems.
The precise definition here is that a problem X
is NP-hard, if there is an NP-complete problem Y
, such that Y
is reducible to X
in polynomial time.
NP-Complete is a complexity class which represents the set of all problems X
in NP for which it is possible to reduce any other NP problem Y
to X
in polynomial time.
Intuitively this means that we can solve Y
quickly if we know how to solve X
quickly. Precisely, Y
is reducible to X
, if there is a polynomial time algorithm f
to transform instances y
of Y
to instances x = f(y)
of X
in polynomial time, with the property that the answer to y
is yes, if and only if the answer to f(y)
is yes.
A problem is NP-complete if the problem is both
and a nice explanation here : https://www.quora.com/What-are-P-NP-NP-complete-and-NP-hard


Typed "hit diff" instead of "git diff". Hmm, feeling an alias coming on here.
9/5/2013, 4:25:07 PM
Favs: 0
Retweets: 0
link--- layout: tweet ---
Typed "hit diff" instead of "git diff". Hmm, feeling an alias coming on here.
9/5/2013, 4:25:07 PM
Favs: 0
Retweets: 0
link


Antimony
Element Name:
Antimony
Latin Name:
Stibium
Atomic Number:
51
Atomic Weight:
121.760 u
Is a:
Metalloid
State of the element:
Solid
About:
Antimony is a chemical element with the symbol Sb and atomic number 51. A lustrous gray metalloid, it is found in nature mainly as the sulfide mineral stibnite (Sb2S3). Antimony compounds have been known since ancient times and were powdered for use as medicine and cosmetics, often known by the Arabic name, kohl. Metallic antimony was also known, but it was erroneously identified as lead upon its discovery. The earliest known description of the metal in the West was written in 1540 by Vannoccio Biringuccio.
Electrons
51
Protons
51
Neutrons
71
Discoverer:
Basil Valentine
Discovered in:
<3000 BCE


Grants Search
Discover who foundations are funding
Search through {{ site.number_of_searchable_grants | divided_by: 1000000 }}.{{ site.number_of_searchable_grants | modulo: 1000000 | divided_by: 100000 }} million grants contained in the public IRS 990-PF dataset
{% include search/algolia-template-rate-limit.html %}
{% include search/algolia-template-forbidden.html %}


BitmovinApiSdk\Models\SrtInput
Synopsis
class SrtInput
extends Input
{
- // members
- public SrtMode $mode;
- public string $host;
- public int $port;
- public string $path;
- public int $latency;
- public string $passphrase;
- public int $keyLength;
- public BackupSrtInputs $backupSrtInputs;
- // Inherited members from Input
- public static string $discriminatorName;
- public static array $discriminatorMapping;
- // Inherited members from BitmovinResource
- public string $name;
- public string $description;
- public Carbon $createdAt;
- public Carbon $modifiedAt;
- public mixed $customData;
- // Inherited members from BitmovinResponse
- public string $id;
- // methods
- public void __construct()
- public $this mode()
- public $this host()
- public $this port()
- public $this path()
- public $this latency()
- public $this passphrase()
- public $this keyLength()
- public $this backupSrtInputs()
- // Inherited methods from Input
- public void __construct()
- // Inherited methods from BitmovinResource
- public void __construct()
- public $this name()
- public $this description()
- public $this customData()
- // Inherited methods from BitmovinResponse
- public void __construct()
- // Inherited methods from ApiResource
- public void __construct()
- public static $this create()
- public void toArray()
Hierarchy
Extends
Members
public
- $backupSrtInputs — \BitmovinApiSdk\Models\BackupSrtInputs
- $createdAt — Carbon\Carbon
- $customData — mixed
- $description — string
- $discriminatorMapping
- $discriminatorName
- $host — string
- $id — string
- $keyLength — int
- $latency — int
- $mode — BitmovinApiSdk\Models\SrtMode
- $modifiedAt — Carbon\Carbon
- $name — string
- $passphrase — string
- $path — string
- $port — int
Methods
public
- __construct()
- backupSrtInputs() — backupSrtInputs
- host() — The name or IP of the host providing the SRT stream (only used in CALLER mode)
- keyLength() — The type of AES encryption determines the length of the key (passphrase). AES-128 uses a 16-character (128-bit) passphrase, and AES-256 uses a 32-character (256-bit) passphrase.
- latency() — The maximum accepted transmission latency in milliseconds (when both parties set different values, the maximum of the two is used for both)
- mode() — The SRT mode to use (required)
- passphrase() — The passphrase used to secure the SRT stream. For AES-128 encryption, you must enter a 16-character passphrase; for AES-256, you must enter a 32-character passphrase
- path() — The path parameter of the SRT stream
- port() — The port to connect to or listen on. Has to be one of [2088, 2089, 2090, 2091] when using LISTENER mode. (required)
Inherited from BitmovinApiSdk\Models\BitmovinResource
public
- customData() — User-specific meta data. This can hold anything.
- description() — Description of the resource. Can be freely chosen by the user.
- name() — Name of the resource. Can be freely chosen by the user.


This is screen 3.1. Pressing forward will clear this screen from the stack so you won't be able to go back.
<< || >>


Let me introduce myself You didn’t think I was done, did ya?  Are you ready for the monster, monster? Are you ready for the monster, monster?  Are you ready for the monster, monster? Are you ready for the monster, monster?  Are you ready for the monster, monster? Are you ready for the monster, monster? You ain’t ready for the monster, monster


____________________________________
____________________________________
1st paragraph with a class of some-class
2nd paragraph with a class of some-class
3rd paragraph with a class of some-class
4th paragraph with a class of some-class
5th paragraph with a class of some-class
____________________________________
1st paragraph with id of some-id
2nd paragraph with id of some-id
3rd paragraph with id of some-id
4th paragraph with id of some-id


Donations
IG:Stories
is an open source project that can be used for free by anyone, donations
and incentives are wholeheartedly welcome.
Donate via PayPal
You can also donate via BITCOIN to the following Bitcoin address.
3NM9EubVwdvNm9qiTgLC8DHsRtTHvoyaD6


Step 1
Whatever you do never, ever, upload unfinished work or Work in Progress (WIP).
The work you want to upload should be finished and super polished.
Exception to this rule is if you are a rockstar designer with many followers. Whatever you upload will become a popular shot. It is preferred to upload only UI work.
Step 2
Open up the design in PS and with your camera take a photo of the screen from an angle. The angle should be between 30o and 45o. In other circumstances I would have called you “idiot” – for not using the PrintScrn feature instead – but for a popular shot on Dribbble it is a must.
If it is an iPhone/iPad/Android/Blackberry design: save the design as a JPEG, close PS and upload it on the device via Dropbox. Then, take a photo of the design, making sure you include the device in an environment (on a desk, in your hand, in a park, on the toilet).
Step 3
If you don’t want to take an angled photo of the design and want to be ‘original’, take a full-width screenshot of the design and make sure you include magnifying glasses to show off the small details.
If you want to upload a website design, include part of the browser in the shot. The placement of the browser should be at exactly 10% inside the edge of the shot. If it’s a responsive design: add a screenshot of the iMac/Cinema Display with the design showing on the screen and an iPhone/iPad in front of it with the mobile version of the design.
If you want to upload a hand drawn design, take an angled photo of the sketchbook making sure you also include in the photo the tool you used (pencil, pen, finger).
Step 4
Once you have a finished design you want to upload on Dribbble, create at least five different shots of that design and pick the best one. Upload only that selected shot and delete the others forever.
Step 5
Be active on the site. Like many shots, follow many people and comment on designs. Word of warning: do not criticise their design! Only praise it with short, cool words like: “dope”, “rad”, “love it”.
Step 6
What’s your problem dude?
Am I bothering you? I’m the new version of my buddy:
Do you want me to go away?
Yes!


--- layout: archive title: Zulip Chat Archive permalink: /stream/113488-general/topic/has_coe_to_fun.20lemmas.html ---
I'm working on bilinear forms (link: https://github.com/leanprover-community/mathlib/blob/inner_product_spaces/src/linear_algebra/bilinear_form.lean) and would like to use has_coe_to_fun
for notation. However, I run into issues when trying to apply lemmas for structures that extend bilin_form
, for example refl_bilin_form
. Do I need to copy and paste every lemma for each new structure? I have found one workaround which is to give a coercion from refl_bilin_form
to bilin_form
, but this requires the use of coe_fn_coe_base
before rw
works.
Andreas has just explained his question to me in a lot more detail. He has made a structure called bilinear forms, with a coe to fun. His simp lemmas for bilinear forms are all written in terms of this coercion (so they're statements about \u b with b the bilinear form). He now wants to make symmetric bilinear forms and so he extended the structure and now he can't use any of his simp lemmas. How should he be doing this? I suggested making an is_symmetric
predicate on bilinear forms instead, so then the symmetric bilinear forms would be a subtype rather than a new structure. Are there other better ways to do this?
Chris says that this is hard in Lean 3.
@Chris Hughes
{% endraw %}Last updated: Apr 24 2020 at 19:02 UTC


Audio I/O Control
Sharing speakers and mics.
Input Source
Connect
Number of Channel
Sample Rate
Frame Length
Encoder Sample Rate
Volume
Device List
Get Device List
Start Record
Stop Record
Output Source
Connect
Number of Channel
Channel Width
Sample Rate
Frame Length
Encoder Sample Rate
Volume
Device List
Get Device List
Start Playback
Stop Playback
Record
Record Local
Stop Local Recording


{% extends 'base.html' %} {% block title %} This Day in Music {% endblock %} {% block content %}
This project was created with the purpose of presenting the events that happened in this day during the history of music as well as providing daily playlists based on those same events.
Besides this site, it was created a twitter account @today_in_music in order to allow one to follow the events and the playlists easily.
The source code of this website is available online at the following repository https://github.com/Shemahmforash/thisdayinmusic.net while the source code of the api that supplies the data for the site is available at https://github.com/Shemahmforash/api.thisdayinmusic.net. Feel free to fork them.
If you have any doubt or suggestion, you can reach me at: cmrosao [ at ] gmail [dot] com or at @shemahmforash.


Soy Events offers experienced and comprehensive help for a wide range of event planning needs, and can help you to work smarter to help create the event that you have envisioned. Have a look at the professional services Soy Events offers, and let's talk.
Interested in your own event planning business? Soy also offers event planning courses to help you get started! Apply Today!
Our philosophy is to provide you with the professional planning resources that are discriminating and distinctive, yet affordable and attainable. Inspired by the client’s vision, our goal is to create an event that is uniquely yours, reflecting your own style and personality. Our organizational expertise and attention to detail will allow you to experience the event as you should… relaxed and “in the moment.”


Scan Policy Dialog
This allows you to enable and disable the rules that are run when performing an active scan.
The first screen allows you to define the default levels as well as the levels for all of the rules in a specific category.
The category screens allow you to define the levels for every individual rule.
Note that passive scan rules are no longer managed via this dialog but are instead
managed via the Options Passive Scan Rules.
آستانه
This controls how likely ZAP is to report potential vulnerabilities.
- If you select Off then the scan rule won't run.
- If you select Low then more potential issues will be raised which may increase the number of false positives.
- If you select High then fewer potential issues will be raised which may mean that some real issues are missed (false negatives).
قدرت
This controls the number of attacks that ZAP will perform.
If you select Low then fewer attacks will be used which will be quicker but may miss some issues.
If you select High then more attacks will be used which may find more issues but will take longer.
The Insane level should typically only be used for small parts of an application as it can result in a very large number of
attacks being used, which can take a considerable length of time.
Note: Please be aware that use of the moniker "Insane" with regard to scan
strength is simply a name chosen to represent the most extreme strength of scanning, it is not a
commentary or reference to mental health or personal stability.
Accessed via
See also
| |
UI Overview | for an overview of the user interface |
| |
Dialogs | for details of the dialogs or popups |


As the global economy shifts away from low-end, low-skill, low-paying jobs, you need to be prepared to compete in the new marketplace. Every day you wait, you're falling further behind the thousands of other people that are training hard to learn coding, and get ready for the future. There are a lot of resources available and that's a good start. But much of it is outdated, incomplete and really confusing.
 We've talked to companies, and we know what they're looking for.
You need qualified instructors, and the right type of projects that give you the right type of experience.
Clients and employers desperately need developers who know what they're doing and can hit the ground running.
Get the guidance and training you need to learn coding the right way with the right tools.
You'll have the tools, curriculum, knowledge, skills, and the structure you need to become an expert website and application developer! APPLY TODAY and Learn to build next generation websites and applications. Hackstar was founded to address the extreme shortage of qualified developers that are in high demand RIGHT NOW by companies around the world. Launch your career, or maybe your own billion dollar idea!
If you're looking for great job, a successful career as a freelancer, or want to build your own app for your own startup, this is the right place. The Hackstar program was specifically designed to give you everything you need to level up your life. You'll be challenged, motivated, and inspired daily to learn the skills to get ahead and stay ahead. And you'll be surrounded by the best of the best.
In addition to top notch instruction and world class training, you'll build connections with real working industry professionals that have agreed to offer their mentorship our students.
 You'll get real life experience. Project based learning and pair programming give you the skillset to tackle tough problems, work with teammates, and conquer new frameworks with ease - Just like in real life. And just like real life, when you work through tough problems in a project based, team environment you'll not only learn; you'll make friends and build relationships that last a lifetime.
Your housing and meals are included! This frees up your valuable time so you can do what came to do.
Our rigorous coursework makes you think on your feet to solve challenges and come up with creative solutions so you'll be prepared for real life situations.
Small cohort sizes mean our instructors are able to spend plenty of time with you when you do run into road blocks.
Anything a client or employer throws at you will be easy once you've mastered the advanced programming concepts that we cover throughout the course.
Real world experience working with real clients means you'll have an expert understanding of what it takes to take a project from start to finish.
Having access to industry professionals gives you the inside track for latest trends and job offers.
Learning to develop websites and applications is in high demand, and it's a rewarding, high paying career choice.
You already know that learning to develop websites and applications will change your life.
Learning to build web apps @hackstar was the best decision I ever made. I have a great job now.
I was unemployed before I learned to code. Now I'm employed, and making a lot of money.
Getting the right training made me ready for the job market. I had 3 job offers the first month.
Becoming a developer allowed me freelance, be my own boss, and set my own hours.
Using the latest frameworks, and industry standard best practices, you'll learn to build real world, production level projects for actual clients.
You'll get more than training, you'll get experience.
This is a USA style boot camp with USA developed curriculum. Students that come to Hack Star bring their "A" game. They're inspired to work hard, and succeed. Only the best will be accepted. You'll be coding day and night, 11 hours per day as you learn, prepare for graduation, complete your final project, and complete real client projects.
Our program provides many advantages that are lacking in other boot camps. We provide food, and housing so all you have to do is learn! And at Hack Star, you'll work for real clients to develop real websites, and applications.
In addition, you'll also learn to mentor others! Why? Because you teach best what you most need to learn. When you're ready, taking a new student under your wing will help to reinforce your understanding of the basic development principals that everything else is built on.
08:00 - 09:00
Breakfast time. Start your day right with a healthy breakfast.
09:00 - 9:30
Class starts at 09:00 SHARP. Don't be late. This is a boot camp, not day care. Act accordingly.
09:30 - 10:30
Instructor led live coding session - You'll get the details for the days assignments and a walk through on making it all happen.
10:30 - 13:00
Take a short break if you want, but HURRY! You'll work with a team mate, to follow the instructions presented by your instructor to build portfolio ready apps.
13:00 - 14:00
Time for lunch! Coding is hard work. You need more nutrients to keep your body happy.
14:00 - 15:00
Another live coding demonstration to introduce you to the key concepts that you'll need to continue learning.
15:00 - 18:00
Round up your teammate. It's time to start coding another pair programming session!
18:30 - 19:30
Yoga! While not required, we suggest that you take this time to clear your mind, and exercise your body. Exercise is an important part of being truly healthy and successful.
20:00 - 21:00
Let's eat shall we? A delicious, healthy dinner is exactly what you need after a long day of coding.
21:00 - 23:00
HACK! HACK! HACK! Now that you've got a good break, and restocked on energy, it's time to burn it off with some more hacking before you go to bed.
23:15
Lights out. You can, of course, continue working in the classroom. But don't disturb those who are trying to rest.
There's going to be a lot of hard work ahead. But first, we celebrate your decision to join Hack Star. You'll make introductions to your fellow cohort members, have some drinks, snacks, and PARTY!
This is the time that you'll be digging into the nuts and bolts of Javascript to get a real understand of how things work under the hood. You'll be introduced to advanced concepts, build fun tools and learn new frameworks.
Now that you've become a master of your trade, it's time to put it all into action. You'll spend this time working with mentors to build and perfect your capstone project.
You've worked hard, and have a product to show off. Now you'll get real world experience by completing real projects for real clients. You'll also prep for interviews, and reinforce your knowledge by mentoring incoming students.
All you have to do is sign up today to start your own path.
We can't guarantee you a spot if you don't apply today. Our elite level training is in extremely high demand. Unless you hurry, another student will take your place in the next cohort. Your future is waiting. And Hackstar is the right choice to move your life forward.
Our program far above and beyond what you'll get anywhere else. Our curriculum is world class.  We're so confident that our program will help you succeed that we're willing to guarantee it 100%. Will any other boot camps will do that?
Take action today, and make the decision that will launch your career into the stratosphere. Get the hands on training you need to make your dreams a reality.
The next available cohort starts on Oct 1st.
The next available cohort starts on Oct 1st.
The next available cohort starts on Oct 1st.
The next available cohort starts on Oct 1st.
TODAY is the time to change your life for the better! Technology is growing exponentially. Your future is waiting.
Our cohort sizes are limited, which means that you'll get personal attention from our instructors. But it also means that demand to get into Hackstar is high.
We only have room for the most dedicated students like you that are willing to work their hardest. The power to change your life starts now. Take action.
Apply Now!Here are some of the most commonly asked questions about the Hack Star program!
Do I need to know how to code before I join Hack Star?
Nope, absolutely not. But you will need to complete the pre-course work before you can come to the class.
Where is Hack Star located?
We are in Hyderabad. Located in Kondapur.
What are the sleeping arangements?
It's a boot camp, so the sleeping arrangements are dormitory / hostel style. You'll be sharing a room with 4-6 other people.
What do you mean by 'real client work'?
It means exactly that. You'll be working on real projects for real clients. This looks great on your resume!
What type of food do you serve?
The food is always healthy, nutritious, and delicious Indian food.


--- title: Haribo image: /images/sweets/haribo.jpg ---
Haribo is a German confectionery company founded by Hans Riegel Sr. It began in Kessenich, Bonn. The name "Haribo" is an acronym formed from Hans Riegel Bonn. The company created the first gummy candy in 1922 in the form of little gummy bears called Gummibärchen.


This is a page I created to showcase my skills using block elements. I also used Bootstrap and CSS. This page is about my furry pet oliver and al the things he loves.
In this project we used float and box models using HTMl and CSS. I later styled it with Bootstrap.This site is about my favorite bands currenlty, and their upcoming concerts.
This page was created with CSS, HTML and Bootstrap. It uses simple p, h, divs and spans. It is about my favorite Oregon hikes that I have completed, and loved.
This page was created using Html, CSS, and Bootstrap. This was a page to showcase my favorite types of chocolate cupcakes and to show my various decorative skills using CSS and Bootstrap.
This page was made using HTML, CSS, and Bootstrap. I wanted to showcase my skills in cascading and styling.
Before Epicodus I was originally in the management and cosmetology field for almost 8 years. I then went back to school to finish my degree in business management at Marylhurst University. After working in the service industry for so long it was nice to finally be able to have an office job. But even after doing office work I still did not feel challenged or stimulated at my current job, and this is why I have chosen the path of web development. I took some web development classes in college back when facebook was just coming out, and web design was much different especially css. The way it is now it so much easier, as far as reading and inputting code.
When not doing school full-time, I enjoy many fun outdoor activities. I have recently moved back to Portland from Central Oregon, which was an awesome place to live for many reasons. When living over there I got to expereince many new cool places to hike, and gained a new favorite pass time- going to the natural hot springs. I am really into winter sports, and enjoy snow shoeing and snowboarding. I recentley learned how to rock climb and that has been my new past time. I have two adorable pets, a pomeranian named Bentley and cat named Oliver. When not doing outdoor activities, I travel which is my number one passion. I really enjoy learning history and culture from new and exciting places. My favorite country, and a place I dream of living one day is France.


First, open a chat instance
Please Wait a moment while loading publicTypeIndex instances
You must open a LongChat instance & be logged to be able to post
Session :
Create a Chat or test if one exist
Path where you want to create a Chat
Messages dump :
Source
Back to index


Scrawl.js
- demonstration 218
Cloning a Frame entity
Extensions: images, stacks, frame
Scenario:
???
Actions:
???
Known browser issues:
???
Result images:


Hannah likes going to rock concerts and getting headaches from the percussion
Sometimes she prefers to go to classical rock bands to try out new things
She likes attending mainly because it is something to do with her friends.
Hannah would like to be able to review the different venues and concerts because she loves giving her opinion
Tech used: iPhone 7 iOS 11, 1334x750 display.


Studio Exec Once Suggested Julia Roberts Play African-American Icon Harriet Tubman: ‘It Was So Long Ago No One Is Going To Know The Difference’
by Brent FurdykCynthia Erivo can be seen playing Harriet Tubman in the new biopic “Harriet”, but it a clueless studio exec had his way the iconic slave-turned-abolitionist would have been portrayed by a famous white actress instead.
In an interview with “Harriet” screenwriter Gregory Allen Howard, he recalls meeting with a studio executive 25 years ago while trying to get the film made, admitting “the climate in Hollywood… was very different” at the time,
“I was told how one studio head said in a meeting, ‘This script is fantastic. Let’s get Julia Roberts to play Harriet Tubman,’” Allen explained.
“When someone pointed out that Roberts couldn’t be Harriet, the executive responded, ‘It was so long ago. No one is going to know the difference.’”
Thankfully, cooler heads prevailed and Hollywood was spared from the notion of the “Pretty Woman” star playing an African-American icon.
Meanwhile, he emphasized how much things have changed in recent years when it comes bringing African-American stories to the screen.
“When ’12 Years a Slave’ became a hit and did a couple hundred million dollars worldwide, I told my agent, ‘You can’t say this kind of story won’t make money now,'” he added. “Then Black Panther really blew the doors open.”


High Quality
Clear and consistent code, inline documented to easily understand the purpose of each section.
Flexible
Generic software for multiple purposes and use cases, to save time and avoid boilerplate.
Supported
Backed by a big company with a large number of Senior Software Developers.


EntropyFileRng Members
The EntropyFileRng type exposes the following members.
Constructors
| Name | Description | |
|---|---|---|
| EntropyFileRng |
The first time you ever instantiate EntropyFileRNG, you *must* provide a newSeed. Otherwise, CryptographicException
will be thrown. You better ensure it's at least 128 bits (16 bytes), preferably much more (>=32 bytes). Any subsequent
time you instantiate EntropyFileRNG, you may use the parameter-less constructor, and it will leverage the original seed.
Whenever you provide more seed bytes, entropy is always increased. (Does not lose previous entropy bytes.)
NOTICE: byte[] newSeed will be zero'd out before returning, for security reasons.
|
Methods
| Name | Description | |
|---|---|---|
| ~EntropyFileRng | ||
| AddedSeedMaterialMethod | ||
| AddSeedMaterial |
NOTICE: byte[] newSeed will be zero'd out before returning, for security reasons.
|
|
| ConcatenateByteArrays |
Returns a single byte array containing all the bytes of all the provided arrays
|
|
| CreateMyHashAlgorithm | ||
| CreateNewPrng |
Note: Clears pool contents before returning
|
|
| Dispose | ||
| Equals(System.Object) |
Determines whether the specified object is equal to the current object. (Inherited from Object.) |
|
| Finalize |
Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object.) |
|
| GetBytes | ||
| GetHashCode |
Serves as the default hash function. (Inherited from Object.) |
|
| GetNonZeroBytes | ||
| GetType |
Gets the Type of the current instance. (Inherited from Object.) |
|
| Initialize |
Opens randfile (or creates randfile, if newSeed provided and randfile nonexistent), reads in pool data,
plants newSeed (if provided), modifies and writes out randfile.
NOTICE: zero's the contents of newSeed before returning.
|
|
| MemberwiseClone |
Creates a shallow copy of the current Object. (Inherited from Object.) |
|
| OpenRandFile | ||
| PlantSeed |
Mixes newSeed into pool, without reducing entropy in the pool. Attempt to maximize entropy gained in the pool
|
|
| ReadRandFileContents | ||
| ToString |
Returns a string that represents the current object. (Inherited from Object.) |
|
| WriteRandFileContents |
Fields
| Name | Description | |
|---|---|---|
| _disposed | ||
| _hardCodedOptionalEntropy | ||
| _myMixingAlgorithm | ||
| _myRng | ||
| _myRngAlgorithm | ||
| _mySeedMaterialAddedHandler |
Instances use this private field to keep track of their subscriptions to the static SeedMaterialAdded event
|
|
| _openRandFileLockObj | ||
| FalseInt | ||
| HmacSha256Length |
32
|
|
| PoolSize |
3072
|
|
| TrueInt |
Events
| Name | Description | |
|---|---|---|
| SeedMaterialAdded |
Static instance raises this event when seed material is added
|


Comments
-
Greg Hurrell
The right way to do this is to use
:cd path/to/project/root
when you start working in your project.If for some reason you ever want to "scope" Command-T to a particular subdirectory, you can do so by explicitly bringing up Command-T with
:CommandT path/to/subdirectory
, but a better habit to get into is just to include some characters from the upper levels of the path in your search query:eg. from the top of a project root to open the model at
app/models/book.rb
you might just typemb
(or justbook
), and to open the controller atapp/controllers/books_controller.rb
you could type eitherbookcon
orconbook
. For the specs you could typesmb
(forspec/models/book_spec.rb
) andscbc
(forspec/controllers/books_controller_spec.rb
).Those are just examples and the actual quantity of characters you'll have to enter to narrow down your search depends on the number of files in your project, but hopefully you get the idea.
-
anonymous
The first thing I do is :cd path/to/project/root
then I type <leader>-t to bring up command-t and select a file from path/to/project/root/app/models/
the next time I type <leader>-t I am stuck in path/to/project/root/app/models rather than in path/to/project/root
here are the keystrokes exactly after launching vim:
:cd Sites/foo (enter project directory)
<leader>-t (bring up command-t)
book.rb (bring up the book.rb file)
<leader>-t (bring up command-t)
bookcon (trying to find the controller, but command-t only shows me the model file since that's the file I am editing in the forefront)
explicitly bringing up Command-T with :CommandT ~/Sites/foo does work but that's a lot of keystrokes compared to just <leader>-t
Here's a screenshot: http://imgur.com/2wKxs In it you'll see that selecting <leader>-t has scoped only to other controllers. So we have a disconnect here because I definitely can't follow your example without adding a cd.. in between
-
Greg Hurrell
Sounds like you've got
'autochdir'
turned on. It defaults to 'off', so you must have turned it on yourself.See
:h 'autochdir'
for more info. -
Greg Hurrell
Status changed:
- From: new
- To: closed
-
anonymous
It wasn't autochdir but I did have a line in my vimrc that was the culprit. Thanks so much for helping me solve it; donation on the way!
-
Greg Hurrell
Yeah, only earlier today I saw someone recommending this kind of thing:
" Auto change the directory to the current file I'm working on autocmd BufEnter * lcd %:p:h
Which I don't think is a very good idea at all. Things like this are a much better alternative for the kind of problem he's trying to tackle:
" edit file, starting in same directory as current file map <leader>e :e <C-R>=expand("%:p:h") . "/" <CR>
Thanks for the donation.
Add a comment
Comments are now closed for this issue.


Observe that console reports that "log" is written from
line 11 of this file. Issue a: Line 11 is not in the script section.
Observe that console reports that "external" is written from
line 2 of this file. Issue b: It should report the file name as "external.js",
and it should report that the line number is 2.


Alphabetical Index
Extra File Listing
Class Listing A-Z
- a
- c
- CordovaApp
- ConfirmationsBehavior
- ConfirmComponent
- ConfirmView
- ContactCollection
- ContactListRoute
- ContactListLayout
- ContactModel
- ContactAddView
- ContactRouter
- ContactService
- ContactShowRoute
- ContactShowLayout
- ContactMethodCollection
- ContactMethodEditRoute
- ContactMethodForm
- ContactMethodListRoute
- ContactMethodEmpty
- ContactMethodChild
- ContactMethodListView
- ContactListLayout
- ContactMethodDecorator
- ContactMethodModel
- ContactMethodRouter
- ContactMethodService
- ContactMethodShowRoute
- ContactMethodShowLayout
- ContactMethodPickerChild
- ContactMethodPicker
- n
- s
- SwapView
- SwapRegion
- SubmitButtonBehavior
- SidebarComponent
- SidebarView
- SignInRoute
- SignInLayout
- ShareProfilePickerChild
- ShareProfilePickerList
- ShareRouter
- ShareModel
- ShareService
- ShareProfileCollection
- ShareProfileForm
- ShareProfileListRoute
- ShareProfileChild
- ShareProfileEmpty
- ShareProfileList
- ShareProfileListLayout
- ShareProfileModel
- ShareProfileRouter
- ShareProfileService
- ShareProfileShowRoute
- ShareProfileShowLayout
- SMSService
File Listing A-Z
- a
- app.coffee (app/coffee)
- animatedRegion.coffee (app/coffee/application/regions)
- abstract.coffee (app/coffee/components/modal)
- b
- bindBase.coffee (app/coffee/behaviors)
- bindInputs.coffee (app/coffee/behaviors)
- c
- confirmations.coffee (app/coffee/behaviors)
- component.coffee (app/coffee/components/confirm)
- confirmView.coffee (app/coffee/components/confirm/views)
- collection.coffee (app/coffee/components/flash)
- component.coffee (app/coffee/components/flash)
- component.coffee (app/coffee/components/header)
- component.coffee (app/coffee/components/sidebar)
- cors.coffee (app/coffee/config)
- collection.coffee (app/coffee/modules/contact)
- collection.coffee (app/coffee/modules/contact_method)
- contactMethodList.coffee (app/coffee/modules/contact_method/list/views)
- collection.coffee (app/coffee/modules/share_profile)
- collection.coffee (app/coffee/modules/update_dispatch)
- d
- destroyButton.coffee (app/coffee/behaviors)
- decorator.coffee (app/coffee/modules/base)
- f
- flashes.coffee (app/coffee/behaviors)
- flashList.coffee (app/coffee/components/flash/views)
- i
- index.coffee (app/coffee/behaviors)
- index.coffee (app/coffee/config)
- j
- jwt.coffee (app/coffee/config)
- l
- layout.coffee (app/coffee/application/views)
- layout.coffee (app/coffee/components/header/views)
- layout.coffee (app/coffee/modules/auth/logout/views)
- layout.coffee (app/coffee/modules/auth/register/views)
- layout.coffee (app/coffee/modules/auth/sign_in/views)
- layout.coffee (app/coffee/modules/contact/list/views)
- layout.coffee (app/coffee/modules/contact/new/views)
- layout.coffee (app/coffee/modules/contact/show/views)
- layout.coffee (app/coffee/modules/contact_method/edit/views)
- layout.coffee (app/coffee/modules/contact_method/form/views)
- layout.coffee (app/coffee/modules/contact_method/list/views)
- layout.coffee (app/coffee/modules/contact_method/new/views)
- layout.coffee (app/coffee/modules/contact_method/show/views)
- layout.coffee (app/coffee/modules/home/home/views)
- layout.coffee (app/coffee/modules/share/add/views)
- layout.coffee (app/coffee/modules/share_profile/edit/views)
- layout.coffee (app/coffee/modules/share_profile/form/views)
- layout.coffee (app/coffee/modules/share_profile/list/views)
- layout.coffee (app/coffee/modules/share_profile/new/views)
- layout.coffee (app/coffee/modules/share_profile/show/views)
- layout.coffee (app/coffee/modules/update_dispatch/list/views)
- m
- modalRegion.coffee (app/coffee/application/regions)
- modelEvents.coffee (app/coffee/behaviors)
- model.coffee (app/coffee/components/flash)
- marionette.coffee (app/coffee/config)
- manifest.coffee (app/coffee)
- model.coffee (app/coffee/modules/auth)
- model.coffee (app/coffee/modules/contact)
- model.coffee (app/coffee/modules/contact_method)
- model.coffee (app/coffee/modules/share_profile)
- model.coffee (app/coffee/modules/update_dispatch)
- r
- route.coffee (app/coffee/modules/auth/logout)
- route.coffee (app/coffee/modules/auth/register)
- router.coffee (app/coffee/modules/auth)
- route.coffee (app/coffee/modules/auth/sign_in)
- route.coffee (app/coffee/modules/base)
- router.coffee (app/coffee/modules/base)
- route.coffee (app/coffee/modules/contact/list)
- route.coffee (app/coffee/modules/contact/new)
- router.coffee (app/coffee/modules/contact)
- route.coffee (app/coffee/modules/contact/show)
- route.coffee (app/coffee/modules/contact_method/edit)
- route.coffee (app/coffee/modules/contact_method/list)
- route.coffee (app/coffee/modules/contact_method/new)
- router.coffee (app/coffee/modules/contact_method)
- route.coffee (app/coffee/modules/contact_method/show)
- route.coffee (app/coffee/modules/home/home)
- router.coffee (app/coffee/modules/home)
- route.coffee (app/coffee/modules/share/add)
- router.coffee (app/coffee/modules/share)
- route.coffee (app/coffee/modules/share_profile/edit)
- route.coffee (app/coffee/modules/share_profile/list)
- route.coffee (app/coffee/modules/share_profile/new)
- router.coffee (app/coffee/modules/share_profile)
- route.coffee (app/coffee/modules/share_profile/show)
- route.coffee (app/coffee/modules/update_dispatch/list)
- router.coffee (app/coffee/modules/update_dispatch)
- s
- submitButton.coffee (app/coffee/behaviors)
- service.coffee (app/coffee/components/flash)
- service.coffee (app/coffee/modules/auth)
- service.coffee (app/coffee/modules/base)
- shareProfilePicker.coffee (app/coffee/modules/contact/new/views)
- service.coffee (app/coffee/modules/contact)
- service.coffee (app/coffee/modules/contact_method)
- service.coffee (app/coffee/modules/share)
- service.coffee (app/coffee/modules/share_profile)
- service.coffee (app/coffee/modules/update_dispatch)
- sms.coffee (app/coffee/services)
- v
- view.coffee (app/coffee/components/modal)
- view.coffee (app/coffee/components/sidebar)


← Back to home
Free-lunch Fridays
On the first Friday of each month, we gather together for a free meal. It’s a time to foster camaraderie, build friendships, and grow stronger as a team.
If you have allergies or dietary restrictions, let the person in charge of ordering the food know so that we can accommodate those.
If the first Friday happens to fall on a company observed holiday, we’ll reschedule for a different date.
Note
Unlike a typical lunch break, count the time we spend gathering for free-lunch Fridays toward the time you’ve worked that day.


Hello, Code School!
how to code in best practices
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G-API High-level design overview
G-API is a heterogeneous framework and provides single API to program image processing pipelines with a number of supported backends.
The key design idea is to keep pipeline code itself platform-neutral while specifying which kernels to use and which devices to utilize using extra parameters at graph compile (configuration) time. This requirement has led to the following architecture:
There are three layers in this architecture:
- API Layer – this is the top layer, which implements G-API public interface, its building blocks and semantics. When user constructs a pipeline with G-API, he interacts with this layer directly, and the entities the user operates on (like cv::GMat or cv::GComputation) are provided by this layer.
- Graph Compiler Layer – this is the intermediate layer which unrolls user computation into a graph and then applies a number of transformations to it (e.g. optimizations). This layer is built atop of ADE Framework.
- Backends Layer – this is the lowest level layer, which lists a number of Backends. In contrast with the above two layers, backends are highly coupled with low-level platform details, with every backend standing for every platform. A backend operates on a processed graph (coming from the graph compiler) and executes this graph optimally for a specific platform or device.
API layer
API layer is what user interacts with when defining and using a pipeline (a Computation in G-API terms). API layer defines a set of G-API dynamic objects which can be used as inputs, outputs, and intermediate data objects within a graph:
- cv::GMat
- cv::GScalar
- cv::GArray (template class)
API layer specifies a list of Operations which are defined on these data objects – so called kernels. See G-API core and imgproc namespaces for details on which operations G-API provides by default.
G-API is not limited to these operations only – users can define their own kernels easily using a special macro G_TYPED_KERNEL().
API layer is also responsible for marshalling and storing operation parameters on pipeline creation. In addition to the aforementioned G-API dynamic objects, operations may also accept arbitrary parameters (more on this below), so API layer captures its values and stores internally upon the moment of execution.
Finally, cv::GComputation and cv::GCompiled are the remaining important components of API layer. The former wraps a series of G-API expressions into an object (graph), and the latter is a product of graph compilation (see this chapter for details).
Graph compiler layer
Every G-API computation is compiled before it executes. Compilation process is triggered in two ways:
- implicitly, when cv::GComputation::apply() is used. In this case, graph compilation is then immediately followed by execution.
- explicitly, when cv::GComputation::compile() is used. In this case, a cv::GCompiled object is returned which then can be invoked as a C++ functor.
The first way is recommended for cases when input data format is not known in advance – e.g. when it comes from an arbitrary input file. The second way is recommended for deployment (production) scenarios where input data characteristics are usually predefined.
Graph compilation process is built atop of ADE Framework. Initially, a bipartite graph is generated from expressions captured by API layer. This graph contains nodes of two types: Data and Operations. Graph always starts and ends with a Data node(s), with Operations nodes in-between. Every Operation node has inputs and outputs, both are Data nodes.
After the initial graph is generated, it is actually processed by a number of graph transformations, called passes. ADE Framework acts as a compiler pass management engine, and passes are written specifically for G-API.
There are different passes which check graph validity, refine details on operations and data, organize nodes into clusters ("Islands") based on affinity or user-specified regioning[TBD], and more. Backends also are able to inject backend-specific passes into the compilation process, see more on this in the dedicated chapter.
Result of graph compilation is a compiled object, represented by class cv::GCompiled. A new cv::GCompiled object is always created regardless if there was an explicit or implicit compilation request (see above). Actual graph execution happens within cv::GCompiled and is determined by backends which participated in the graph compilation.
Backends layer
The above diagram lists two backends, OpenCV and Fluid. OpenCV is so-called "reference backend", which implements G-API operations using plain old OpenCV functions. This backend is useful for prototyping on a familiar development system. Fluid is a plugin for cache-efficient execution on CPU – it implements a different execution policy and operates with its own, special kernels. Fluid backend allows to achieve less memory footprint and better memory locality when running on CPU.
There may be more backends available, e.g. Halide, OpenCL, etc. – G-API provides an uniform internal API to develop backends so any enthusiast or a company are free to scale G-API on a new platform or accelerator. In terms of OpenCV infrastructure, every new backend is a new distinct OpenCV module, which extends G-API when build as a part of OpenCV.
Graph execution
The way graph executed is defined by backends selected for compilation. In fact, every backend builds its own execution script as the final stage of graph compilation process, when an executable (compiled) object is being generated. For example, in OpenCV backend, this script is just a topologically-sorted sequence of OpenCV functions to call; for Fluid backend, it is a similar thing – a topologically sorted list of Agents processing lines of input on every iteration.
Graph execution is triggered in two ways:
- via cv::GComputation::apply(), with graph compiled in-place exactly for the given input data;
- via cv::GCompiled::operator()(), when the graph has been precompiled.
Both methods are polimorphic and take a variadic number of arguments, with validity checks performed in runtime. If a number, shapes, and formats of passed data objects differ from expected, a run-time exception is thrown. G-API also provides typed wrappers to move these checks to the compile time – see cv::GComputationT<>.
G-API graph execution is declared stateless – it means that a compiled functor (cv::GCompiled) acts like a pure C++ function and provides the same result for the same set of input arguments.
Both execution methods take \(N+M\) parameters, where \(N\) is a number of inputs, and \(M\) is a number of outputs on which a cv::GComputation is defined. Note that while G-API types (cv::GMat, etc) are used in definition, the execution methods accept OpenCV's traditional data types (like cv::Mat) which hold actual data – see table in parameter marshalling.
- See also
- Implementation details, Kernel API