acdha

#!/bin/bash
#
# Report time to first byte for the provided URL using a cache buster to ensure
# that we're measuring full cold-cache performance

while (($#)); do
    echo $1
    curl -so /dev/null -H "Pragma: no-cache" -H "Cache-Control: no-cache" \
        -w "%{http_code}\tPre-Transfer: %{time_pretransfer}\tStart Transfer: %{time_starttransfer}\tTotal: %{time_total}\tSize: %{size_download}\n" \
        "$1?`date +%s`"

iansoper

/**
 * PE to use SVG as CSS background image with fallback for IE8/7/6
 *
 * Using SVG as CSS background image to display 
 * resolution-independent logos or icons is pretty
 * awesome but does completely fail on IE8/7/6 
 * 
 * The trick:
 * All three IE versions don't support rgba color values.
 * By defining a rgba background color together with the

ziadoz

Awesome PHP

Awesome PHP has been relocated permanently to its own Github repository. No further updates will made to this gist.

Please open an issue for any new suggestions.

scottjehl

/*!
 An experiment in getting accurate visible viewport dimensions across devices
 (c) 2012 Scott Jehl. 
 MIT/GPLv2 Licence
*/

function viewportSize(){
	var test = document.createElement( "div" );

	test.style.cssText = "position: fixed;top: 0;left: 0;bottom: 0;right: 0;";

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                           */

igrigorik

#!/usr/bin/python
import subprocess
import re
import os
import sys
import optparse
import time

def call_checked(*args):
  r = subprocess.call(args)

bkastl

Original file:
Lena.png 512 x 512 Pixel 24 bit Color 386.301 Byte
The standard for image compression tests.
Might be highly optimized in some encoders.

Goal: Get the most quality out of around 56KB.

Look at http://benediktkastl.de/summary_lena.htm for the images.

Metrics explained:

igrigorik

  function onOpen() {
  var ss = SpreadsheetApp.getActiveSpreadsheet();
  var menuEntries = [ {name: "Run Query", functionName: "runQuery"} ];
  ss.addMenu("HTTP Archive + BigQuery", menuEntries);
}    

function runQuery() {
  var projectNumber = 'httparchive';
  
  var sheet = SpreadsheetApp.getActiveSheet();

jklein

# -*- mode: ruby -*-
# vi: set ft=ruby :

# Vagrantfile API/syntax version. Don't touch unless you know what you're doing!
VAGRANTFILE_API_VERSION = "2"

Vagrant.configure(VAGRANTFILE_API_VERSION) do |config|
  # All Vagrant configuration is done here. The most common configuration
  # options are documented and commented below. For a complete reference,
  # please see the online documentation at vagrantup.com.

yig

#!/bin/sh
#
# Startup script for btsync
# Copy to /usr/local/etc/rc.d/S99btsync.sh and chown to root:root
#
# Stop myself if running
btsyncdir="/var/services/homes/yotam/btsync/"
btsync="${btsyncdir}/btsync"
pidfile="${btsyncdir}/.sync/sync.pid"
#