cowboy

#!/bin/bash

# Before running this script, open Disk Utility.
# 
# Partition USB Stick:
#  * 1 Partition
#  * Options -> GUID Partition Table
#  * Mac OS Extended (Journaled)
#  * Name: Foobar
#

cowboy

'use strict';

module.exports = function(grunt) {

  // Project configuration.
  grunt.initConfig({
    // Metadata.
    pkg: '<json:super-awesome.jquery.json>',
    banner: '/*! <%= pkg.title || pkg.name %> - v<%= pkg.version %> - ' +
      '<%= grunt.template.today("yyyy-mm-dd") %>\n' +

cowboy

'use strict';

module.exports = function(grunt) {

  // Project configuration.
  grunt.initConfig({
    pkg: '<json:awesome.jquery.json>',
    banner: '/*! <%= pkg.title || pkg.name %> - v<%= pkg.version %> - ' +
      '<%= grunt.template.today("yyyy-mm-dd") %>\n' +
      '<%= pkg.homepage ? "* " + pkg.homepage + "\\n" : "" %>' +

cowboy

'use strict';

module.exports = function(grunt) {

  // Project configuration.
  grunt.initConfig({
    pkg: '<json:awesome.jquery.json>',
    banner: '/*! <%= pkg.title || pkg.name %> - v<%= pkg.version %> - ' +
      '<%= grunt.template.today("yyyy-mm-dd") %>\n' +
      '<%= pkg.homepage ? "* " + pkg.homepage + "\\n" : "" %>' +

cowboy

// Split colon-separated parts, unescaping (but not splitting on) any \:

function split(str) {
  return str.replace(/\\:/g, '\uFFFF').split(':').map(function(part) {
    return part.replace(/\uFFFF/g, ':');
  });
}


// Eg.

cowboy

#!/bin/bash

# Might as well ask for password up-front, right?
sudo -v

# Keep-alive: update existing sudo time stamp if set, otherwise do nothing.
while true; do sudo -n true; sleep 60; kill -0 "$$" || exit; done 2>/dev/null &

# Example: do stuff over the next 30+ mins that requires sudo here or there.
function wait() {

cowboy

What's wrong with Netmag's "Optimize your JavaScript" post

I tweeted earlier that this should be retracted. Generally, these performance-related articles are essentially little more than linkbait -- there are perhaps an infinite number of things you should do to improve a page's performance before worrying about the purported perf hit of multiplication vs. division -- but this post went further than most in this genre: it offered patently inaccurate and misleading advice.

Here are a few examples, assembled by some people who actually know what they're talking about (largely Rick Waldron and Ben Alman, with some help from myself and several others from the place that shall be unnamed).

Things that are just plain wrong

• Calling array.push() five times in a row will never be a "performance improvement." The author has clearly co

cowboy

/*
 * Function#filterify
 *
 * Copyright (c) 2012 "Cowboy" Ben Alman
 * Licensed under the MIT license.
 * http://benalman.com/about/license/
 */

Function.prototype.filterify = (function() {
  // IIFE gives us a place for storing local vars...

cowboy

/*global module:false*/
module.exports = function(grunt) {

  // Project configuration.
  grunt.initConfig({
    min: {
      ariaAccessibility: {
        src: ['src/javascripts/jquery.selectBoxIt.ariaAccessibility.js'],
        dest: 'src/javascripts/jquery.selectBoxIt.ariaAccessibility.min.js'
      },

cowboy

function foo(state) {
  function bar() { return 1; }
  return state ? bar : null;
}
foo(false)  // null (bar is created but not used)
foo(true)() // 1 (bar is created and returned)

function foo(state) {
  return state ? function() { return 1; } : null;
}