rsl

require 'coffee'
require 'water'
require 'cup'
require 'carsten'

cup = Cup.new(:size => 'small')
cup.add(Coffee::Espresso.new(:shots => 3))
cup.add(Water::Ice.new(:cubes => 12))
cup.join

rsl

    Please confirm the upgrade from
    %strong= Plan[session[:old_plan_id]]
    to
    %strong= Plan[session[:new_plan_id]]
    %br
    %br
    You are upgrading your
    %strong Orchestrate
    account located at
    %string 

rsl

module ActiveSupport
    module CoreExtensions #:nodoc:
      module String
        module Conversions
          def to_klass
            self.classify.constantize
          rescue NameError
            nil
          end
        end

rsl

class Person < ActiveRecord::Base
  def self.find_recent
    people = find(
      :conditions => ["added_at > ? and deleted = ? and address is not null", Time.now.utc, false],
      :order => "last_name, first_name")
  end

  # ...
end

rsl

  Units = { :dollar_per_ffe => { :symbol => "$/ffe", :si_factor=>1.0 },
            :dollar_per_ton => { :symbol => "$/T", :si_factor=>1.0e-3 }
          }

  Attribute_Units = { :default_transshipment_cost => :dollar_per_ffe,
                      :bunker_cost => :dollar_per_ton
                    }

  Attribute_Units.each do |name, value|
    define_method(name) do

rsl

>> e = DateTime.strptime('2009-05-07T01:33:23+01:00')
=> Thu, 07 May 2009 01:33:23 0100
>> f = DateTime.strptime('2009-05-06T23:33:23+01:00')
=> Wed, 06 May 2009 23:33:23 0100
>> e - f
=> Rational1, 12

>> a = Time.now
=> Thu May 07 10:25:53 -0400 2009
>> b = Time.now

rsl

    def para (attributes = {}, &block)
      method_missing(:p, attributes, &block)
    end

    para do 
      foo = <<-END_PARAGRAPH
      Hello there.  I love #{input 'inputting VARIOUS things'}.  I also get a kick
      out of #{code 'coding various things'}.  There's such a thrill in
      seeing all of the exciting #{output 'output you can get'} from a
      well-written program.

rsl

    def para (attributes = {}, &block)
      method_missing(:p, attributes, &block)
    end

    para do 
      <<-END_PARAGRAPH
      Hello there.  I love #{input 'inputting VARIOUS things'}.  I also get a kick
      out of #{code 'coding various things'}.  There's such a thrill in
      seeing all of the exciting #{output 'output you can get'} from a
      well-written program.

rsl

class ControllerHelper
  include Singleton
  include ActionView::Helpers
end

def url_helpers
  ControllerHelper.instance
end

rsl

  def can_edit?(this_user)
    return true unless locked?
  end