jcf

Patched ruby 1.9.3-p194 for 30% faster rails boot

Overview

This script installs a patched version of ruby 1.9.3-p194 with boot-time performance improvements (#66 and #68), and runtime performance improvements (#83 and #84). It also includes the new backported GC from ruby-trunk.

Many thanks to funny-falcon for the performance patches.

• http://github.com/ruby/ruby/pull/66
• http://github.com/ruby/ruby/pull/68

jcf

start() {
  set -e

  if [ $# -ne 1 ]; then
    echo "You need to supply a queue number. Usage: start queue-number"
  else
    cd ~/Code/broadcast
    export RAILS_ENV=production
    export QUEUE=support"$1"
    git pull --rebase origin master

jcf

require 'term/ansicolor'

# yeilds a stacktrace for each SQL query
# put this file in config/initializers
class QueryTrace < ActiveSupport::LogSubscriber
  include Term::ANSIColor
  attr_accessor :trace_queries

  def sql(event)  #:nodoc:
    return unless QueryTrace.enabled? && logger.debug? && Rails.env.development?

jcf

require 'mail'

class EmailValidator < ActiveModel::EachValidator
  attr_reader :record, :attribute, :value, :email, :tree

  def validate_each(record, attribute, value)
    @record, @attribute, @value = record, attribute, value

    @email = Mail::Address.new(value)
    @tree  = email.__send__(:tree)

jcf

%w(red amber green).map.with_index do |color, index|
  color if ((index + 1) / 3.0) < (count.to_f / total.to_f)
end.compact.first

jcf

Factory.define :post do |post_factory|
  post_factory.user { Factory.build(:user) }
end

jcf

// An Unobtrusive Javascript (UJS) driver based on explicit behavior definitions. Just
// put a "data-behaviors" attribute on your view elements, and then assign callbacks
// for those named behaviors via Behaviors.add.

var Behaviors = {
  add: function(event, behavior, callback) {
    return $('*[data-behaviors~=' + behavior + ']').bind(event, callback);
  }
};

jcf

module Math
  def self.factorial(f)
    f == 0 ? 1 : f * factorial(f - 1)
  end
end

# Or we can extend an instance of Fixnum so we can do 5.factorial :)
class Fixnum
  def factorial
    self == 0 ? 1 : self * (self - 1).factorial

jcf

module Math
  def self.factorial(f)
    f == 0 ? 1 : f * factorial(f - 1)
  end
end

# Or we can extend an instance of Fixnum so we can do 5.factorial :)
class Fixnum
  def factorial
    self == 0 ? 1 : self * (self - 1).factorial

jcf

def build_message
  message = PORTFOLIO_FIELDS.graph{|field, _| [field, send(field)] }
  self.message = message.delete_if { |_, value| value.nil? }
end