hellerbarde

Latency numbers every programmer should know

L1 cache reference ......................... 0.5 ns
Branch mispredict ............................ 5 ns
L2 cache reference ........................... 7 ns
Mutex lock/unlock ........................... 25 ns
Main memory reference ...................... 100 ns             
Compress 1K bytes with Zippy ............. 3,000 ns  =   3 µs
Send 2K bytes over 1 Gbps network ....... 20,000 ns  =  20 µs
SSD random read ........................ 150,000 ns  = 150 µs

Read 1 MB sequentially from memory ..... 250,000 ns = 250 µs

havvg

jQuery(function($) {
    $('form[data-async]').live('submit', function(event) {
        var $form = $(this);
        var $target = $($form.attr('data-target'));

        $.ajax({
            type: $form.attr('method'),
            url: $form.attr('action'),
            data: $form.serialize(),

marcedwards

/* ---------------------------------------------------------- */
/*                                                            */
/* A media query that captures:                               */
/*                                                            */
/* - Retina iOS devices                                       */
/* - Retina Macs running Safari                               */
/* - High DPI Windows PCs running IE 8 and above              */
/* - Low DPI Windows PCs running IE, zoomed in                */
/* - Low DPI Windows PCs and Macs running Firefox, zoomed in  */
/* - Android hdpi devices and above                           */

mbreit

$fontawesome_path: "." !default

@font-face
  font-family: 'FontAwesome'
  src: font-url('#{$fontawesome_path}/fontawesome-webfont.eot')
  src: font-url('#{$fontawesome_path}/fontawesome-webfont.eot?#iefix') format("embedded-opentype"), font-url('#{$fontawesome_path}/fontawesome-webfont.woff') format("woff"), font-url('#{$fontawesome_path}/fontawesome-webfont.ttf') format("truetype")
  font-weight: normal
  font-style: normal

@mixin icon($icon)

jasdeepkhalsa

<?php
$image = imagecreatefromjpeg($_GET['src']);
$filename = 'images/cropped_whatever.jpg';

$thumb_width = 200;
$thumb_height = 150;

$width = imagesx($image);
$height = imagesy($image);

ricardoriogo

jQuery.validator.addMethod("cnpj", function(cnpj, element) {

	var numeros, digitos, soma, resultado, pos, tamanho,
		digitos_iguais = true;

	if (cnpj.length < 14 && cnpj.length > 15)
		return false;

	for (var i = 0; i < cnpj.length - 1; i++)
		if (cnpj.charAt(i) != cnpj.charAt(i + 1)) {

gugaalves

add_action('admin_bar_menu', 'show_template');
function show_template() { 
global $template;
print_r($template);
}

craigmdennis

$debug-rhythm: false;

myusuf3

To remove a submodule you need to:

• Delete the relevant section from the .gitmodules file.
• Stage the .gitmodules changes git add .gitmodules
• Delete the relevant section from .git/config.
• Run git rm --cached path_to_submodule (no trailing slash).
• Run rm -rf .git/modules/path_to_submodule (no trailing slash).
• Commit git commit -m "Removed submodule "
• Delete the now untracked submodule files rm -rf path_to_submodule

JasonHoffmann

<?php

class WPLazyLoadImages {

	function __construct() {
		// Add Our Filters and actions for the plugin
		add_action('wp_enqueue_scripts', array($this, 'enqueue_lazyload'));
		add_filter('the_content', array($this, 'filter_lazyload'));
		add_action('wp_footer', array($this, 'footer_lazyload'));