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// Simulate a call to Dropbox or other service that can
// return an image as an ArrayBuffer.
var xhr = new XMLHttpRequest();

// Use JSFiddle logo as a sample image to avoid complicating
// this example with cross-domain issues.
xhr.open( "GET", "http://fiddle.jshell.net/img/logo.png", true );

// Ask for the result as an ArrayBuffer.
xhr.responseType = "arraybuffer";

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Unicode table - List of most common Unicode characters *
* This summary list contains about 2000 characters for most common ocidental/latin languages and most printable symbols but not chinese, japanese, arab, archaic and some unprintable.
Contains character codes in HEX (hexadecimal), decimal number, name/description and corresponding printable symbol.
What is Unicode?

Unicode is a standard created to define letters of all languages ​​and characters such as punctuation and technical symbols. Today, UNICODE (UTF-8) is the most used character set encoding (used by almost 70% of websites, in 2013). The second most used character set is ISO-8859-1 (about 20% of websites), but this old encoding format is being replaced by Unicode.
How to identify the Unicode number for a character?

Type or paste a character: 

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Jenkins, Protractor and Headless Chrome Browser Setup on Ubuntu 14.04

Update Ubuntu

sudo apt-get update
sudo apt-get upgrade

Install Java

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Using Homebrew to manage Node.js and io.js installs on OSX

Having both Node.js and io.js installed with NVM was giving me a load of problems, mainly with npm. So I uninstalled NVM and manage Node.js and io.js with homebrew.
Heres how.

Install Node.js and io.js

$ brew install node
$ brew install iojs

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// Use Gists to store code you would like to remember later on
console.log(window); // log the "window" object to the console

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describe('Test example.com', function(){
    before(function(done) {
        client.init().url('http://example.com', done);
    });

    describe('Check homepage', function(){
        it('should see the correct title', function(done) {
            client.getTitle(function(err, title){
                expect(title).to.have.string('Example Domain');
                done();

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module.exports = {
    'can log in at vimeo': function (test) {
        'use strict';

        test.expect(1)
            .open('http://vimeo.com/log_in')
            .type('#email', 'foo@bar.com')
            .type('#password', 'baz')
            .click('.submit .btn')
            .assert.text('#page_header h1 a', 'foobar')

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# First install tmux
brew install tmux

# For mouse support (for switching panes and windows)
# Only needed if you are using Terminal.app (iTerm has mouse support)
Install https://github.com/norio-nomura/EasySIMBL/
Then install https://bitheap.org/mouseterm/

# More on mouse support http://floriancrouzat.net/2010/07/run-tmux-with-mouse-support-in-mac-os-x-terminal-app/