KATT

@mixin background-image2x($image, $extension: 'png') {
  $imageOrig: "#{$image}.#{$extension}";
  $image2x: "#{$image}@2x.#{$extension}";

  $width: image-width($imageOrig);
  $height: image-height($imageOrig);

  background-image: image-url($imageOrig);

KATT

// Handlebar helper
Handlebars.registerHelper('or', function () {
  var args = arguments;

  for (var i in args) {
    if (args[i]) {
      return args[i];
    }
  }
  return null;

KATT

Nice ordered list, but hard to maintain

1. First item
2. Second item
3. Third item

Ugly ordered list

1. First item
2. Second item

KATT

if( !window.location.hash && window.addEventListener && document.documentElement.clientWidth <= 500 ){
    window.addEventListener( "load",function() {
        setTimeout(function(){
            window.scrollTo(0, 1);
        }, 0);
    });
}

KATT

// Ajax Get. Cached. And aborts current request
var get = (function($) {
  var xhr;
  var xhrURL;
  var cache = {};
  return function(url, callback, jsonp) {
    url += ((url.indexOf('?') === -1) ? '?' : '&');
    url += jsonp ? 'callback=?' : 'ajax=1';
    if (url == xhrURL && xhr.readystate != 4) {
      // Already loading stuff, wait for it to finish

KATT

<?php
/**
 * Check if content is JSON
 *
 * @param string $content
 * @return boolean
 */
function w3_is_json($content) {
    return json_decode($content) !== NULL;
}

KATT

//
//  NSString+Distance.h
//
//  Created by Alexander Johansson on 2011-11-27.
//  Based on http://stackoverflow.com/q/5684973/590396
// 

#import <Foundation/Foundation.h>

@interface NSString (Distance)

KATT

<?php

// Include parent
require_once 'Mage/Adminhtml/controllers/CustomerController.php';

class MyNamespace_CustomerLogin_CustomerController extends Mage_Adminhtml_CustomerController {

    function loginAction() {
        $customerID = (int) $this->getRequest()->getParam('id');

KATT

var mongoose = require('mongoose'),
	Schema	 = mongoose.Schema,
	ObjectId = Schema.ObjectId,
	UserSchema = require('./User').UserSchema;


var FriendRequest = new Schema({
	from		: {type: ObjectId, index:true}, // Why does not UserSchema.ObjectId work here, instead of ObjectId?
	to			: {type: ObjectId, index:true},
	

KATT

var mongoose = require('mongoose'),
	Schema	 = mongoose.Schema,
	ObjectId = Schema.ObjectId,
	hashlib = require('hashlib');



var SAFE_COLS_TO_RETURN = function() {
	return {
	 	_id:1,