kylebragger

<?php

/* 
        Paul's Simple Diff Algorithm v 0.1 
        (C) Paul Butler 2007 <http://www.paulbutler.org/> 
        May be used and distributed under the zlib/libpng license. 
        
        This code is intended for learning purposes; it was written with short 
        code taking priority over performance. It could be used in a practical 
        application, but there are a few ways it could be optimized. 

kylebragger

var context = new webkitAudioContext(),
    oscillator = context.createOscillator();

oscillator.type = oscillator.SQUARE;
oscillator.frequency.value = 1000;
oscillator.connect(context.destination);
oscillator.noteOn && oscillator.noteOn(0);
setTimeout('oscillator.disconnect()', 500);

kylebragger

var playSingleChime = function()
{
    var context = new webkitAudioContext(),
        gain = context.createGainNode(),
        osc = context.createOscillator();

    osc.connect(gain);
    gain.connect(context.destination);

    osc.frequency.value = 1000.0;

dmytro

#!/bin/bash
# ssh-multi
# D.Kovalov
# Based on http://linuxpixies.blogspot.jp/2011/06/tmux-copy-mode-and-how-to-control.html

# a script to ssh multiple servers over multiple tmux panes


starttmux() {
    if [ -z "$HOSTS" ]; then

jonschlinkert

Markdown cheatsheet

(Also see [remarkable][], the markdown parser created by the author of this cheatsheet)

Table of contents

• Standard features
  • Headings
  • Paragraphs

• Breaks

thanpolas

module.exports = function (grunt) {
  require('load-grunt-tasks')(grunt);

  grunt.initConfig({
    express: {
      options: {
        // Override defaults here
      },
      web: {
        options: {

sielay

frontend www-http
    bind :80
    bind *:443 ssl crt /etc/haproxy/certs no-sslv3

    capture request header X-Forwarded-For len 50

    acl is_cf req.hdr(cf-connecting-ip) -m found

    http-request set-header X-Client-IP %[src] if !is_cf
    http-request set-header X-Client-IP %[hdr(cf-connecting-ip)] if is_cf

ptarjan

Scaling your API with rate limiters

The following are examples of the four types rate limiters discussed in the accompanying blog post. In the examples below I've used pseudocode-like Ruby, so if you're unfamiliar with Ruby you should be able to easily translate this approach to other languages. Complete examples in Ruby are also provided later in this gist.

In most cases you'll want all these examples to be classes, but I've used simple functions here to keep the code samples brief.

Request rate limiter

This uses a basic token bucket algorithm and relies on the fact that Redis scripts execute atomically. No other operations can run between fetching the count and writing the new count.

zveronline

acl from_cf src -f /etc/haproxy/cf-ips
http-request set-src req.hdr(CF-Connecting-IP) if from_cf
option forwardfor if-none

jult

kernel.core_uses_pid = 1
kernel.domainname = your_local_domain_name
kernel.msgmax = 65535
kernel.msgmnb = 65535
kernel.pid_max = 65535
kernel.printk = 2 3 1 2
kernel.randomize_va_space = 2
kernel.shmall = 268435456
kernel.shmmax = 268435456
kernel.sysrq = 0