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# Between those alternatives I'd go with this one.
#
# Ruby has open classes, there is nothing wrong about embracing them. Even Rails that used to
# create modules and mix them into the classes has decided to change it on rails3 and simply
# open the classes and add the methods.
#
# It's simple, and it works. Of course you shouldn't be adding stuff that are specific to 
# your application's business logic.
class Fixnum
  def to_bit_array

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class User < ActiveRecord::Base
  # Include default devise modules. Others available are:
  # :token_authenticatable, :confirmable, :lockable and :timeoutable
  devise :database_authenticatable, :registerable,
         :recoverable, :rememberable, :trackable, :validatable, :confirmable, :token_authenticatable,
         :oauthable

  # Setup accessible (or protected) attributes for your model
  attr_accessible :email, :password, :password_confirmation, :remember_me, :username, :has_username, :is_admin, :profile
  

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class RomanNumeral
  VALUE_MAPPER = [['M', 1000], ['D', 500], ['L', 50], ['X', 10], ['IX', 9], ['V', 5], ['IV', 4], ['I', 1]]

  def roman num
    output = ''

    while num > 0
      VALUE_MAPPER.each do |letter, letter_value|
        num_of_letters = (num / letter_value)

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groups = Rails.groups(assets: %w(development test))

unless Rails.env.production?
  user = `cd "#{Rails.root}" && git config user.email`.chomp
  groups << user unless user.blank?
end

Bundler.require(*groups)