module Net
  class HTTP
    unless method_defined?(:use_ssl)
      def use_ssl
        @use_ssl

  before_validation :normalize_color_fields

  private

  # could use refactoring to reduce redundancy

  before_validation :normalize_color_fields

  private

  # could use refactoring to reduce redundancy

class Foo; include Singleton; attr_accessor :name; end
# => nil
Foo.instance.name = :foo
# => :foo
Foo.instance.name

role :web, "server1", "server2", "server3"

task :edit do
  file_to_edit = ENV["FILE"] || abort("Please provide a file to edit: cap edit FILE=/etc/hosts")
  abort "Please provide an absolute path to the file" unless file_to_edit[0] == ?/

# Using edge activesupport

>> require 'open-uri'
=> ["OpenURI"]
>> Hash.from_xml(open('http://halorgium.net/test.xml'))

desc "Get top 5 processes by real memory usage" 
task :mem_check do
  run %q{
    ps axcmo pid,rsz,command | awk '{LIMIT = 1; if ($2 > LIMIT) printf $2/1024 "MB " $3 "\n"}' | sort -rn | head -n5
  }

# controller

class TestController < ApplicationController
  def index
    @urls = %w{http://google.com/ http://halorgium.net}

## Quiz [plaintext]

http://www.rubyquiz.com/quiz131.html

## Answer

/usr/lib/ruby/gems/1.8/gems/capistrano-1.99.3/lib/capistrano/configuration/connections.rb:118:in `execute_on_servers': undefined method `continue_on_error?' for nil:NilClass (NoMethodError)
        from /usr/lib/ruby/gems/1.8/gems/capistrano-1.99.3/lib/capistrano/configuration/actions/invocation.rb:50:in `run'
        from /usr/lib/ruby/gems/1.8/gems/capistrano-1.99.3/lib/capistrano/recipes/deploy/strategy/base.rb:43:in `send'
        from /usr/lib/ruby/gems/1.8/gems/capistrano-1.99.3/lib/capistrano/recipes/deploy/strategy/base.rb:43:in `method_missing'
        from /usr/lib/ruby/gems/1.8/gems/capistrano-1.99.3/lib/capistrano/recipes/deploy/strategy/remote.rb:29:in `scm_run'

class Object
  def loop_for(time, &block)
    finish = Time.now + time
    yield while Time.now < finish
  end

## app/controllers/application.rb

class ApplicationController < ActionController::Base
  include MagicRoutes
  

module EventsRoutes
  NAMES = []
  %w{events event new_event edit_event}.map do |prefix|
    %w{url path}.each do |suffix|
      NAMES << "#{prefix}_#{suffix}"

HELPERS_DIR = (defined?(RAILS_ROOT) ? "#{RAILS_ROOT}/app/helpers" : "app/helpers")


# Extract helper names from files in app/helpers/**/*.rb
def all_application_helpers

## YAML [plaintext]

---
- path: "lib/recipes"
  repo: "ssh://raptor.example.com/capistrano/recipes"