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@alexhawkins
alexhawkins / nativeJavaScript.js
Last active June 8, 2026 07:14
Implementation of Native JavaScript Methods (forEach, Map, Filter, Reduce, Every, Some)
'use strict';
/*****************NATIVE forEACH*********************/
Array.prototype.myEach = function(callback) {
for (var i = 0; i < this.length; i++)
callback(this[i], i, this);
};
//tests
@ericrasch
ericrasch / TypeKit embed code.php
Last active July 4, 2017 03:54
Different methods for loading TypeKit's embed code.
<?php
/**
* TypeKit's default embed code.
* Source: http://help.typekit.com/customer/portal/articles/649336-embed-code
* Avg. Load Time: 191ms; 198ms; 265ms
*/
?>
<script type="text/javascript" src="//use.typekit.net/xxxxxxx.js"></script>
<script type="text/javascript">try{Typekit.load();}catch(e){}</script>
@HarishChaudhari
HarishChaudhari / country-code-to-currency-code-mapping.csv
Last active April 21, 2026 04:42
Country, Country Code, Currency code mapping in CSV format Taken from https://gist.github.com/304261 Contains 249 countries.
Country CountryCode Currency Code
New Zealand NZ New Zealand Dollars NZD
Cook Islands CK New Zealand Dollars NZD
Niue NU New Zealand Dollars NZD
Pitcairn PN New Zealand Dollars NZD
Tokelau TK New Zealand Dollars NZD
Australian AU Australian Dollars AUD
Christmas Island CX Australian Dollars AUD
Cocos (Keeling) Islands CC Australian Dollars AUD
Heard and Mc Donald Islands HM Australian Dollars AUD
@jboner
jboner / latency.txt
Last active June 12, 2026 23:11
Latency Numbers Every Programmer Should Know
Latency Comparison Numbers (~2012)
----------------------------------
L1 cache reference 0.5 ns
Branch mispredict 5 ns
L2 cache reference 7 ns 14x L1 cache
Mutex lock/unlock 25 ns
Main memory reference 100 ns 20x L2 cache, 200x L1 cache
Compress 1K bytes with Zippy 3,000 ns 3 us
Send 1K bytes over 1 Gbps network 10,000 ns 10 us
Read 4K randomly from SSD* 150,000 ns 150 us ~1GB/sec SSD
@passcod
passcod / dom-loaded-test.html
Created May 26, 2012 08:29
onload, readyState, and DOMContentLoaded
<!DOCTYPE html>
<html>
<head>
<script>
window.onload = function () {
console.log(''+(+new Date)+': Onload fired');
};
document.onreadystatechange = function () {
console.log(''+(+new Date)+': Ready state changed');
@jlong
jlong / uri.js
Created April 20, 2012 13:29
URI Parsing with Javascript
var parser = document.createElement('a');
parser.href = "http://example.com:3000/pathname/?search=test#hash";
parser.protocol; // => "http:"
parser.hostname; // => "example.com"
parser.port; // => "3000"
parser.pathname; // => "/pathname/"
parser.search; // => "?search=test"
parser.hash; // => "#hash"
parser.host; // => "example.com:3000"
@them0nk
them0nk / rspec_rails_cheetsheet.rb
Created March 23, 2012 03:39
Rspec Rails cheatsheet (include capybara matchers)
#Model
@user.should have(1).error_on(:username) # Checks whether there is an error in username
@user.errors[:username].should include("can't be blank") # check for the error message
#Rendering
response.should render_template(:index)
#Redirecting
response.should redirect_to(movies_path)
@Gozala
Gozala / weak-map.js
Created October 7, 2011 10:34
Harmony WeakMap shim for ES5
/* vim:set ts=2 sw=2 sts=2 expandtab */
/*jshint asi: true undef: true es5: true node: true devel: true
forin: false latedef: false */
/*global define: true */
if (typeof(WeakMap) === 'undefined') WeakMap = (function(global) {
"use strict";
function defineNamespace(object, namespace) {