OpenCoderX

L1 cache reference                  0.5 ns ||  5.0 × 10^-10 seconds
Branch mispredict                   5 ns ||  5.0 × 10^-9 seconds
L2 cache reference                  7 ns ||  7.0 × 10^-9 seconds
Mutex lock/unlock                   25 ns ||  2.5 × 10^-8 seconds
Main memory reference               100 ns ||  1.0 × 10^-7 seconds
Compress 1K bytes with Zippy        3,000 ns ||  3.0 × 10^-6 seconds
Send 2K bytes over 1 Gbps network   20,000 ns ||  2.0 × 10^-5 seconds
Read 1 MB sequentially from memory  250,000 ns || 0.00025 seconds
Round trip within same datacenter   500,000 ns || 0.00050 seconds
Disk seek                           10,000,000 ns || 0.01 seconds

OpenCoderX

require 'action_view'

module ActionView
  module Template::Handlers
    class NokogiriBuilder
      class_attribute :default_format
      self.default_format = Mime::XML

      def call(template)
        "xml = ::Nokogiri::XML::Builder.new { |xml|" +

OpenCoderX

Sublime Text 2 – Useful Shortcuts (Mac OS X)

General

⌘T	go to file
⌘⌃P	go to project
⌘R	go to methods
⌃G	go to line
⌘KB	toggle side bar
⌘⇧P	command prompt

OpenCoderX

# Tested on DelayedJob 2.1

class MyRecurringDelayedJob
  def perform
    # ...some slow code
  end
  
  def success(job)
    MyRecurringDelayedJob.schedule_job(job)
  end

OpenCoderX

Getting zsh to work in ubuntu is weird, since sh does not understand the source command. So, you do this to install zsh

wget https://github.com/robbyrussell/oh-my-zsh/raw/master/tools/install.sh -O - | zsh

and then you change your shell to zsh

chsh -s `which zsh`

and then restart

OpenCoderX

set :test_log, "logs/capistrano.test.log"

namespace :deploy do
  before 'deploy:update_code' do
    puts "--> Running tests, please wait ..."
    unless system "bundle exec rake > #{test_log} 2>&1" #' > /dev/null'
      puts "--> Tests failed. Run `cat #{test_log}` to see what went wrong."
      exit
    else      
      puts "--> Tests passed"

OpenCoderX

class ETLJob
  include Sidekiq::Worker
  sidekiq_options :queue => :ETLTasks, :backtrace => true, :retry => false

  def perform(control_file)
    ETL::Engine.init({:execution_dbname=>"etl_execution_prod"})
    ETL::Engine.process("#{Dir.pwd}/control/#{control_file}.ctl")
  end
end

OpenCoderX

1,2012-01-02,New Year Day
2,2012-01-16,Martin Luther King Jr. Day
3,2012-02-20,Presidents Day (Washingtons Birthday)
4,2012-05-28,Memorial Day
5,2012-07-04,Independence Day
6,2012-09-03,Labor Day
7,2012-10-08,Columbus Day
8,2012-11-12,Veterans Day
9,2012-11-22,Thanksgiving Day
10,2012-12-25,Christmas Day

OpenCoderX

<VirtualHost *:80>
  ServerName diaspora.example.org
  RedirectPermanent / https://diaspora.example.org/
</VirtualHost>
<VirtualHost *:443>
 ServerName diaspora.example.org
 
 DocumentRoot /path/to/diaspora/public

 RewriteEngine On

OpenCoderX

# deploy.rb

namespace :ts_remote do
  task :conf do
    run <<-CMD
      cd #{current_release}
      &&
      RAILS_ENV=#{rails_env} rake ts:conf
      &&
      rsync --progress #{current_release}/config/#{rails_env}.sphinx.conf sphinxsearch@db-server:/home/sphinxsearch/