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/**
 * Анимация. Параметры:
 * opts.delta(time) -- временная функция, time=0..1. По умолчанию linear.
 * opts.step(progress) -- функция рисования, progress=0..1.
 * opts.complete -- функция, которая выполнится по окончании анимации
 * opts.dely -- задержка между кадрами, по умолчанию 13
 *
 * Пример:
 
	var opts = {

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/**
 * @param target can be any DOM Element or other EventTarget
 * @param type Event type (i.e. 'click')
 */
var trigger = function (target, type) {
	if (document.createEvent) {
		event = new Event(type);
		target.dispatchEvent(event);
	} else {
		event = document.createEventObject();

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var str = "The quick brown fox jumped over the box like an ox with a sox in its mouth";

str.match(/\w(ox)/g); // ["fox", "box", "sox"]

// match (when used with a 'g' flag) returns an Array with all matches found
// if you don't use the 'g' flag then it acts the same as the 'exec' method.

str.match(/\w(ox)/); // ["fox", "ox"]
/\w(ox)/.exec(str);  // ["fox", "ox"]

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Better local require() paths for Node.js

Problem

When the directory structure of your Node.js application (not library!) has some depth, you end up with a lot of annoying relative paths in your require calls like:

var Article = require('../../../models/article');

Those suck for maintenance and they're ugly.

Possible solutions

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var str = '234456234';
str.replace(/(\d)(?=(\d\d\d)+([^\d]|$))/g, '$1 ');

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var extend = function(target, source) {
    target = target || {};
    
    for (var prop in source) {
        if (!source.hasOwnProperty(prop)) continue;

        if (typeof source[prop] === 'object') {
            target[prop] = extend(target[prop], source[prop]);
        } else {
            target[prop] = source[prop];

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var E = {
    createEvent: function(e, keyValue, keyCode) {
        e = e || 'keypress';

        keyValue = keyValue ? keyValue.charCodeAt(0) : keyCode;

        if (!(e || keyValue)) {
            throw Error('e and keyValue required');
        }

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Difference between Debounce and Throttle

Debounce

Debounce a function when you want it to execute only once after a defined interval of time. If the event occurs multiple times within the interval, the interval is reset each time.
Example A user is typing into an input field and you want to execute a function, such as a call to the server, only when the user stops typing for a certain interval, such as 500ms.

Throttle

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To run this, you can try:

curl -ksO https://gist.githubusercontent.com/nicerobot/2697848/raw/uninstall-node.sh
chmod +x ./uninstall-node.sh
./uninstall-node.sh
rm uninstall-node.sh

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# put this in your .bash_profile
if [ $ITERM_SESSION_ID ]; then
  export PROMPT_COMMAND='echo -ne "\033];${PWD##*/}\007"; ':"$PROMPT_COMMAND";
fi

# Piece-by-Piece Explanation:
# the if condition makes sure we only screw with $PROMPT_COMMAND if we're in an iTerm environment
# iTerm happens to give each session a unique $ITERM_SESSION_ID we can use, $ITERM_PROFILE is an option too
# the $PROMPT_COMMAND environment variable is executed every time a command is run
# see: ss64.com/bash/syntax-prompt.html