Tutorial by Examples: p

Some of the additional attributes are parsed by the npm website like repository, bugs or homepage and shown in the infobox for this packages { "main": "server.js", "repository" : { "type": "git", "url": "git+https:/...
repeat(10) { i -> println("This line will be printed 10 times") println("We are on the ${i + 1}. loop iteration") }
You can loop over any iterable by using the standard for-loop: val list = listOf("Hello", "World", "!") for(str in list) { print(str) } Lots of things in Kotlin are iterable, like number ranges: for(i in 0..9) { print(i) } If you need an index while...
While and do-while loops work like they do in other languages: while(condition) { doSomething() } do { doSomething() } while (condition) In the do-while loop, the condition block has access to values and variables declared in the loop body.
Polymer prodives a lot of well built elements for you to use in your app. Browse them in their Element Catalog. Let's go through the workflow of using an element by including paper-input (Documentation) Download the Element To Download an element there are two ways: Bower The convinient way is...
The following example is an introduction to: Template compilation using underscore Accessing variables in a template Creating a view Rendering a view Showing a view <html> <head> <script src="https://code.jquery.com/jquery-3.1.0.min.js"></script> ...
Higher-order functions can be used to ensure that system resources are disposed, even when a treatment raises an exception. The pattern used by with_output_file allows a clean separation of concerns: the higher-order with_output_file functions takes care of managing the system resources bound to fi...
List.map has the signature ('a -> 'b) -> 'a list -> 'b list which in English is a function that takes a function (we'll call this the mapping function) from one type (namely 'a) to another type (namely 'b) and a list of the first type. The function returns a list of the second type where ev...
Setting only one style: $('#target-element').css('color', '#000000'); Setting multiple styles at the same time: $('#target-element').css({ 'color': '#000000', 'font-size': '12pt', 'float': 'left', });
To get an element's CSS property you can use the .css(propertyName) method: var color = $('#element').css('color'); var fontSize = $('#element').css('font-size');
Although modules are ideal, if the library you are using is referenced by a global variable (like $ or _), because it was loaded by a script tag, you can create an ambient declaration in order to refer to it: declare const _: any;
Once you have Sails installed, just type $ sails new <project_name> This will create a skeleton Sails project in a new folder called <project_name>. You can also create a new project in an empty folder by typing $ sails new
A region declared as a web application, as opposed to a web document. In this example, the application is a simple calculator that might add two numbers together. <div role="application"> <h1>Calculator</h1> <input id="num1" type="text"> +...
A supporting section of the document, designed to be complementary to the main content at a similar level in the DOM hierarchy, but remains meaningful when separated from the main content. <div role="complementary"> <h2>More Articles</h2> <ul> <!-- ...
A set of user interface objects which are not intended to be included in a page summary or table of contents by assistive technologies. <div role="group"> <button role"button">Previous</button> <button role"button">Next</button> &lt...
A selectable item in a select list. <ul role="listbox"> <li role="option">Option 1</li> <li role="option">Option 2</li> <li role="option">Option 3</li> </ul>
An element whose implicit native role semantics will not be mapped to the accessibility API. <div style="float:left;">Some content on the left.</div> <div style="float:right;">Some content on the right</div> <div role="presentation" style=&...
An element that displays the progress status for tasks that take a long time. <progress role="progressbar" value="25" max="100">25%</progress>
A group of radio buttons. <div role="radiogroup"> <input role="radio" type="radio" aria-checked="true"> One<br> <input role="radio" type="radio" aria-checked="false"> Two<br> <input role=...
A group containing one or more row elements in a grid. <table> <thead role="rowgroup"> <!-- etc --> </thead> <tbody role="rowgroup"> <!-- etc --> </tbody> </table>

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