matthuhiggins

Array.prototype._compact = function(iterator) {
  var position = 0;
  for (var index = 0, length = this.length; index < length; index++) {
    if (this[index] != null)
      this[position++] = this[index];
  }
  this.length = position;
  return this;
};

matthuhiggins

def do_stuff(enumerator)
  # stuff
end
do_stuff([1,3,5].reverse_each)
do_stuff([1,3,5].each)

matthuhiggins

class PostController < ActionController::Base
  require_login
end

matthuhiggins

class ProfileController < ActionController::Base
  private
    def current_user
      @current_user ||= User.find_by_username(session[:username]) if session[:username]
    end
    helper_method :current_user
end

matthuhiggins

belongs_to :session, :class_name => "Statistics::Session"

matthuhiggins

namespace :cache do
  desc 'Clear memcache'
  task :clear => :environment do
    Rails.cache.clear
  end
end

matthuhiggins

module ActionControllerExtra
  module UserLogger
    def self.included(base)
      base.extend(ClassMethods)
    end

    module ClassMethods
      # Logs that a user requested the current action:
      #
      #   MyController < ApplicationController

matthuhiggins

google_paths = {
  'prototype' => 'http://ajax.googleapis.com/ajax/libs/prototype/1.6.0.2/',
  'controls'  => 'http://ajax.googleapis.com/ajax/libs/scriptaculous/1.8.1/',
  'dragdrop'  => 'http://ajax.googleapis.com/ajax/libs/scriptaculous/1.8.1/',
  'effects'   => 'http://ajax.googleapis.com/ajax/libs/scriptaculous/1.8.1/'
}

config.action_controller.asset_host = Proc.new do |source, request|
  google_asset = google_paths.keys.detect { |asset| source.starts_with?("/javascripts/#{asset}") }
  google_asset ? google_paths[google_asset] : "#{request.protocol}#{request.host_with_port}"

matthuhiggins

class Post < ActiveRecord::Base
  def title=(value)
    self[:title] = value.presence || 'Untitled'
  end
end

matthuhiggins

class Post < ActiveRecord::Base
  def title=(value)
    self[:title] = value.present? ? value : 'Untitled'
  end
end