jqr

class ActiveRecord::Base
  def self.soft_destroyable(column = :destroyed_at)
    define_method(:destroy_without_callbacks) do
      update_attribute(column, Time.now)
    end
    
    named_scope :destroyed, :conditions => ["NOT #{column} IS NULL", column]
    named_scope :not_destroyed, :conditions => ["#{column} IS NULL", column]
  end
end

jqr

    var grouped_products = [[]];
    var group_index = 0;
    _.each(products, function(product, index) {
      if (index % 3 == 0) {
        group_index++;
        grouped_products[group_index] = []
      }
      grouped_products[group_index].push(product);
    });

jqr

// easy refresh-css keybinding to alt-w
// alt-r was taken in IE, so consider this a CSS Weefresh

// original code from http://paulirish.com/2008/how-to-iterate-quickly-when-debugging-css/
$(document).keyup(function(e){
  if (e.which == 87 && e.altKey) {
    $('link').each(function() {
      if((/stylesheet/i).test(this.rel) && this.href) {
        var href = this.href.replace(/(&|\?)forceReload=\d+/,'');
        this.href = href + ((/\?/).test(href) ? '&' : '?' ) + 'forceReload=' + new Date;

jqr

Then /^open IRB$/ do
  require 'irb'
  original_argv = ARGV
  ARGV.replace([])
  IRB.start
  ARGV.replace(original_argv)
end

jqr

require 'rubygems'
require 'bert'
require 'json'
require 'yajl'
require 'benchmark'

ITER = 1_000

tiny = t[:ok, :awesome]
small = t[:ok, :answers, [42] * 42]

jqr

  prepend_before_filter :set_session_cookie_options

  # A hack for using expire_after in Rails before 2.3
  def set_session_cookie_options
    self.class.session_options[:session_expires] = self.class.session_options[:expire_after].from_now
  end

jqr

#!/usr/bin/env ruby

home = File.expand_path('~')
Dir["#{home}/Library/Application Support/TextMate{,/Pristine Copy}/Bundles/*/.git"].each do |bundle|
  dir = bundle.gsub(/\.git/, '')
  puts "Updating #{File.basename(dir)}"
  Dir.chdir(dir) { `git pull` }
end

`osascript -e 'tell app "TextMate" to reload bundles'`

jqr

class User < ActiveRecord::Base
  def score=(value)
    super(value * 1_000_000)   # pinball scores do it, why not Users?
  end
end

describe User do
  describe "creating a new user" do
    it "should multiply the score by some ridiculous amount" do
      user = User.new(:score => 5)

jqr

require 'benchmark'

count = 10_000_000
Benchmark.bm(10) do |bm|
  bm.report('control') { count.times { [1,2,3,4,5,6] } }
  bm.report('splat')   { count.times { [1,2,3, *[4,5,6]] } }
  bm.report('plus')    { count.times { [1,2,3] + [4,5,6] } }
  bm.report('flatten') { count.times { [1,2,3, [4,5,6]].flatten } }
end

jqr

# In ruby 1.9

{:one => 1, :two => 2}.select {|k,v| k == :one} #=> {:one=>1}

{:one => 1, :two => 2}.reject {|k,v| k == :one} #=> {:two=>2}