tlewin

#!/usr/bin/env ruby -I ../lib -I lib
# coding: utf-8
require 'rtoken'
require 'json'

require 'sinatra/base'
require 'thin'

class Chat < Sinatra::Base

danielsdeleo

#!/usr/bin/env ruby

recipe_path = ARGV[0]

if recipe_path.nil?
  STDERR.puts "usage: chef-apply RECIPE_FILE"
  exit 1
end

recipe_path = File.expand_path(recipe_path)

jboner

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

fpotter

#!/usr/bin/env dtrace -s
/*
 * DTrace script to observe UNIX socket reads/writes for RubyMotion apps running
 * in the iOS Simulator.
 *
 * Usage: sudo dtrace_rubymotion_repl <pid of running RubyMotion iOS app>
 *
 */

syscall::sendto:entry

icebreaker

The MONGOID Cheat Sheet

( Source: the mongoid cheatsheet )

Example

  class User

include Mongoid::Document