Tutorial by Examples: l

Event delegation is a process which allow us to avoid adding event listeners to specific nodes; instead, the event listener is added to parent node. This mechanism utilizes the event propagation/bubbling to handle an event at a higher level element/node in the DOM instead of using the element on whi...

You might have heard that everything in Python is an object, even literals. This means, for example, 7 is an object as well, which means it has attributes. For example, one of these attributes is the bit_length. It returns the amount of bits needed to represent the value it is called upon. x = 7 ...

The following example uses Express to create an HTTP server listening on port 3000, which responds with "Hello, World!". Express is a commonly-used web framework that is useful for creating HTTP APIs. First, create a new folder, e.g. myApp. Go into myApp and make a new JavaScript file con...

<svg width="900px" height="400px" viewBox="900 400"> <defs> <filter id="GaussianHardEdge" x="0%" y="0%" width="100%" height="100%"> <feGaussianBlur stdDeviation="5"/&gt...

<svg width="900px" height="400px" viewBox="900 400"> <defs> <filter id="GaussianHardEdge" > <feConvolveMatrix order="3" kernelMatrix=" 1 1 1 1 1 1 ...

<svg width="900px" height="400px" viewBox="0 0 900 400"> <defs> <filter id="BokehBlur" color-interpolation-filters="sRGB"> <feGaussianBlur stdDeviation="2" result="blurSource"/> <feCol...

<svg width="800px" height="600px"> <defs> <filter id="drop-shadow"> <feGaussianBlur in="SourceAlpha" stdDeviation="4"/> <feOffset dx="5" dy="5" result="offsetblur"/> <f...

<svg width="800px" height="600px"> <defs> <filter id="inner-glow"> <feFlood flood-color="red"/> <feComposite in2="SourceAlpha" operator="out"/> <feGaussianBlur stdDeviation="2" r...

<svg width="800px" height="600px"> <defs> <filter id="complex-shadow" color-interpolation-filters="sRGB" x="-50%" y="-50%" height="200%" width="200%"> <!-- Take source alpha, offset it by angle/...

<svg width="800px" height="600px"> <defs> <filter id="greyscale"> <feColorMatrix type="matrix" values="0.2126 0.7152 0.0722 0 0 0.2126 0.7152 0.0722 0 0 0...

<svg width="800px" height="600px"> <defs> <filter id="greyscale"> <feColorMatrix type="matrix" values="0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 ...

<svg width="800px" height="600px"> <defs> <filter id="greyscale"> <feColorMatrix type="matrix" values=".2 .2 .2 0 0 .6 .6 .6 0 0 .2 .2 .2 0 0 ...

<svg width="800px" height="600px"> <defs> <filter id="focus-blur" > <feDiffuseLighting result = "diffOut" diffuseConstant = "1" lighting-color="white"> <feSpotLight id="spotlight" x =...

OVERVIEW cocos2d-x is an open source, cross-platform game engine. It allows developers to code in C++, Lua and Javascript deployment into iOS, Android, Windows Phone, Mac OS X, Windows Desktop and Linux. PREREQUISITES Build Requirements Mac OS X 10.7+, Xcode 4.6+ Windows 7+, VS 2012+ Ubunt...

This binding updates the innerHTML of the element using jQuery.html(), if jQuery has been referenced, otherwise, KO's own parsing logic. It can be useful if retrieving HTML from an API, RSS feed, etc. Be mindful of using this tag with user input HTML. page.html <p> <span data-bind=&qu...

Since Java 7 it has been possible to use one or more underscores (_) for separating groups of digits in a primitive number literal to improve their readability. For instance, these two declarations are equivalent: Java SE 7 int i1 = 123456; int i2 = 123_456; System.out.println(i1 == i2); // tru...

Bootstrap's grid system has 12 units known as Columns that can be used to layout content horizontally across the viewport. The reason for a 12-unit grid (instead of 10, 16, etc..) is that 12 evenly divides into 6 (halves), 4 (quarters) and 3 (thirds). This makes adapting to a variety of layouts muc...

Simple toggle() case function toggleBasic() { $(".target1").toggle(); } With specific duration function toggleDuration() { $(".target2").toggle("slow"); // A millisecond duration value is also acceptable } ...and callback function toggleCallback() { ...

A source code file is a (generally) plain text file which is to processed by the compiler. A source code file may contain up to one main program and any number of modules and external subprograms. For example, a source code file may contain the following module mod1 end module mod1 module mod...

As a root user run: nginx -s reopen