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

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([]),

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

brettz9

    function jml (elName, atts, children) {'use strict';
        var el = typeof elName === 'string' ? document.createElement(elName) : elName;
        if (atts && Array.isArray(atts)) {
            children = atts;
        }
        else if (atts) {
            Object.keys(atts).forEach(function (att) {
                var attVal = atts[att];
                if (att === '$on') {
                    return Object.keys(attVal).forEach(function (ev) {

nzakas

// target is the backing object
let target = { length: 0 },
    proxy = new Proxy(target, {
        set(trapTarget, key, value) {

            let numericKey = Number(key),
                keyIsInteger = Number.isInteger(numericKey);

            // special case for length property - only need to worry if length is
            // shorter than number of array items

antishok

What does NODE_ENV=production do?

Setting NODE_ENV=production causes these libraries and tools to behave as follows:

npm:

• install will not install devDependencies
• shrinkwrap will not install devDependencies
• prune will remove devDependencies

yarn:

idleberg

Open in Atom

• Open Automator
• Create a new Service
• Set “Service receives selected” to files or folders in any application
• Add a Run Shell Script action
• Set the script action to /usr/local/bin/atom -n "$@"
• Set “Pass input” to as arguments
• Save as Open in Atom

gordonbrander

// Microrouter based on history.pushState.
// All thrills, no frills.
// Usage:
//
//     var h = urlstate(callback);
//     h.push('#foo')
function urlstate(callback) {
  // Since `history.pushState` doesn't fire `popstate`, we can use this function
  // instead. Will update history state and call `callback` with currently
  // showing `url`.

LachlanArthur

JS Sprintf

Simple sprintf in JS using Tagged Template Literals

sprintf`There are ${0} monkeys in the ${1}.`( '10', 'tree' );
// > There are 10 monkeys in the tree.

const linkTemplate = sprintf`<a href="${0}" ${2}>${1}</a>`;
linkTemplate('/contact/', 'Contact Us');
linkTemplate('https://example.com', 'Open Preview', 'target="_blank"');