yajd

var me = Services.wm.getMostRecentWindow(null);
Cu.import('resource://gre/modules/osfile.jsm');
var pathProfilesIni = OS.Path.join(OS.Constants.Path.userApplicationDataDir, 'profiles.ini');

me.alert(pathProfilesIni);

//apparently theres for profiles made in default prof dir:
//localDir = C:\Users\ali57233\AppData\Local\Mozilla\Firefox\Profiles\czbm1ps9.rnd1
//rootDir = C:\Users\ali57233\AppData\Roaming\Mozilla\Firefox\Profiles\czbm1ps9.rnd1
//for custom prof dir localDir and rootDir are same

sindresorhus

#!/usr/bin/env bash
# MIT © Sindre Sorhus - sindresorhus.com

# git hook to run a command after `git pull` if a specified file was changed
# Run `chmod +x post-merge` to make it executable then put it into `.git/hooks/`.

changed_files="$(git diff-tree -r --name-only --no-commit-id ORIG_HEAD HEAD)"

check_run() {
	echo "$changed_files" | grep --quiet "$1" && eval "$2"

brettz9

// Defined: http://www.whatwg.org/specs/web-apps/current-work/multipage/timers.html#navigatorlanguage
//   with allowable values at http://www.ietf.org/rfc/bcp/bcp47.txt
// Note that the HTML spec suggests that anonymizing services return "en-US" by default for
//   user privacy (so your app may wish to provide a means of changing the locale)
navigator.language = navigator.language ||
    // IE 10 in IE8 mode on Windows 7 uses upper-case in
    // navigator.userLanguage country codes but per
    // http://msdn.microsoft.com/en-us/library/ie/ms533052.aspx (via
    // http://msdn.microsoft.com/en-us/library/ie/ms534713.aspx), they
    // appear to be in lower case, so we bring them into harmony with navigator.language.

brettz9

/**
 * Polyfill for "fixing" IE's lack of support (IE < 9) for applying slice
 * on host objects like NamedNodeMap, NodeList, and HTMLCollection
 * (technically, since host objects are implementation-dependent,
 * IE doesn't need to work this way). Also works on strings,
 * fixes IE to allow an explicit undefined for the 2nd argument
 * (as in Firefox), and prevents errors when called on other
 * DOM objects.
 * @license MIT, GPL, do whatever you want
-* @see https://gist.github.com/brettz9/6093105

ydaniv

// polyfill window.getMatchedCSSRules() in FireFox 6+
if ( typeof window.getMatchedCSSRules !== 'function' ) {
    var ELEMENT_RE = /[\w-]+/g,
            ID_RE = /#[\w-]+/g,
            CLASS_RE = /\.[\w-]+/g,
            ATTR_RE = /\[[^\]]+\]/g,
            // :not() pseudo-class does not add to specificity, but its content does as if it was outside it
            PSEUDO_CLASSES_RE = /\:(?!not)[\w-]+(\(.*\))?/g,
            PSEUDO_ELEMENTS_RE = /\:\:?(after|before|first-letter|first-line|selection)/g;
        // convert an array-like object to array

gleuch

// selection range
var range = window.getSelection().getRangeAt(0);

// plain text of selected range (if you want it w/o html)
var text = window.getSelection();
    
// document fragment with html for selection
var fragment = range.cloneContents();

// make new element, insert document fragment, then get innerHTML!

WebReflection

var each = function (Array) {"use strict";
  /*! all you need to `each(obj, cb [,context])`
   * @author      WebReflection
   * @license     WTFPL - http://en.wikipedia.org/wiki/WTFPL
   * @gist        https://gist.github.com/2294934
   */
  var
    toString = {}.toString,
    hasOwnProperty = {}.hasOwnProperty,
    array = toString.call([]),