rtomayko

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
Send 1K bytes over 1 Gbps network        10,000 ns    0.01 ms
Read 1 MB sequentially from memory      250,000 ns    0.25 ms
Round trip within same datacenter       500,000 ns    0.5  ms
Read 1 MB sequentially from SSD       1,000,000 ns    1    ms  4X memory

rtomayko

$ git branch -r --merged |
  grep origin |
  grep -v -e '>' -e master |
  xargs -L1 |
  awk '{split($0,a,"/"); print a[2]}' |
  xargs git push origin --delete

rtomayko

.__                                       ___.    .__           __   .__         .___               
|  |__  _____   ______  ______  ___.__.   \_ |__  |__|_______ _/  |_ |  |__    __| _/_____   ___.__.
|  |  \ \__  \  \____ \ \____ \<   |  |    | __ \ |  |\_  __ \\   __\|  |  \  / __ | \__  \ <   |  |
|   Y  \ / __ \_|  |_> >|  |_> >\___  |    | \_\ \|  | |  | \/ |  |  |   Y  \/ /_/ |  / __ \_\___  |
|___|  /(____  /|   __/ |   __/ / ____|    |___  /|__| |__|    |__|  |___|  /\____ | (____  // ____|
     \/      \/ |__|    |__|    \/             \/                         \/      \/      \/ \/     
         _____         ___          ___       ___          ___          ___                
        /  /::\       /  /\        /  /\     /__/\        /__/\        /__/|         ___   
       /  /:/\:\     /  /:/_      /  /:/_    \  \:\       \  \:\      |  |:|        /  /\  
      /  /:/  \:\   /  /:/ /\    /  /:/ /\    \  \:\       \  \:\     |  |:|       /  /:/  

rtomayko

# GC on Template finalize
class Template
  module CompiledTemplates; end

  def self.garbage_collect_compiled_method(object_id)
    CompiledTemplates.module_eval do
      remove_method Template.compiled_method(object_id)
    end
  end

rtomayko

#!/bin/sh
# Usage: license
# Prints an MIT license appropriate for totin' around.
#
# $ license > COPYING
exec sh -c "tail -n +$(expr $LINENO + 1) < $0 | sed s/DATE/$(date +%Y)/"
Copyright (c) DATE Ryan Tomayko

Permission  is  hereby granted, free of charge, to any person ob-
taining a copy of  this  software  and  associated  documentation

rtomayko

#!/bin/sh -e
# Usage: git-amend <commit>
# Amend changes staged in the index to <commit>, or edit commit message if
# no changes are currently staged. Modifications not staged are stashed and
# then reapplied once the amend and rebase operations are complete.
#
# This command rewrites history. Do not run it after <commit> or its
# decendants have been published to the world.
#
# This version in POSIX sh by Ryan Tomayko <tomayko.com/about>

rtomayko

##
# test/spec/mini 2
# http://gist.github.com/25455
# chris@ozmm.org
# file:lib/test/spec/mini.rb
#
def context(*args, &block)
  return super unless (name = args.first) && block
  require 'test/unit'
  klass = Class.new(defined?(ActiveSupport::TestCase) ? ActiveSupport::TestCase : Test::Unit::TestCase) do

rtomayko

require "sinatra/base"

class WhatTheFuck < Sinatra::Base
  set :raise_errors, false
  set :dump_errors, true
  use_in_file_templates!

  get "/" do
    erb :wtf
  end

rtomayko

# The code in lib/foobar.rb
require 'sinatra/base'
class Foobar < Sinatra::Base
  VERSION = '1.0.0'
  configure do
    set :foobar, environment
  end
end

# The tests in test/test_foobar.rb

rtomayko

The "registered" module method was added to help ensure that extensions can
initialize options in a way that guarantees they can be accessed using
"options.option_name" at the request-level or "self.option_name" at the class
level. I've rewritten the examples to illustrate the new usage.