greyblake

class User < ActiveRecord::Base
  has_many :emails, :inverse_of => :user
end

class Email < ActiveRecord::Base
  belongs_to :user , :inverse_of => :emails
end

# spec 1
u = User.find(1)

greyblake

#!/usr/bin/env ruby

require 'benchmark'

array = (1..10_000).to_a

m = Benchmark.bm(15) do |x|
  x.report("inject") do
    array.inject({}) do |hash, element|
      hash[element] = element

greyblake

# When everything work
class TestMailer < ActionMailer::Base
  default :from => "from@example.com", :to => "to@example.com"

  def hello
    mail do |format|
      format.text { render :text => "Hello!" }
      format.html { render :text => "<h1>Hello!</h1>" }
    end
  end

greyblake

class Art
  L = 2
  MAX_EPOCH = 20

  def initialize(n, m, p = 0.45)
    @n = n
    @m = m
    @p = p
    @w1 = Array.new(n) { Array.new(m) { 1.0 / (1+n) } }
    @w2 = Array.new(m) { Array.new(n) { 1.0 } }

greyblake

# git branch
function parse_git_dirty {
  [[ $(git status 2> /dev/null | tail -n1) != "nothing to commit (working directory clean)" ]] && echo "*"
}
function parse_git_branch {
  git branch --no-color 2> /dev/null | sed -e '/^[^*]/d' -e "s/* \(.*\)/[\1$(parse_git_dirty)]/"
}
export PS1='\u@\h \[\033[1;34m\]\w\[\033[0m\]\[\033[0;33m\]$(parse_git_branch)\[\033[0m\]$ '

greyblake

#!/usr/bin/env ruby

require 'cgi'

# Refresh period
PERIOD = 1   # seconds

# Calculate random value from 1 to 10
value = rand(10) + 1

greyblake

# Override some stuff to detect FacotoryGirl usage out of `it`

module RSpec
  module Core
    class ExampleGroup
      class << self
        # redefine to do nothing
        def it(*args)
        end

greyblake

class SocialNotifier
  include Celluloid

  attr_reader :status

  def intialize(&block)
    @block = block
  end

  def run

greyblake

  def show_page
    filename = "/tmp/shot.png"
    driver = page.driver
    driver.save_screenshot(filename)
    system "eog #{filename}"
  end

greyblake

# Result
#
#                       user     system      total        real
# REXML             8.190000   0.020000   8.210000 (  8.211740)
# LibXML            1.140000   0.000000   1.140000 (  1.141131)
# Nokogiri          1.600000   0.000000   1.600000 (  1.604999)
#


require 'benchmark'