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# gem install scene

require 'rubygems'
require 'scene'

class MyScene < Scene
  def display
    @count ||= 0
    @count += 1
    @count %= 200

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require 'rubiks'

front = [:green,  :green, :white,
         :yellow, :green, :green,
         :green,  :red,   :red]

back = [:green,  :blue,   :yellow,
        :green,  :blue,   :orange,
        :yellow, :orange, :white]

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# Convert videos to mp4 for iTunes/iOS. Use cores * 1.5 as the number of threads.
# Works for most video formats out of the box. ffmpeg must be installed first.
mp4() {
  ffmpeg -i "$1" -threads 6 -sameq -acodec libfaac -ar 48000 -ab 160k -ac 2 "$1".mp4
}

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# Fixes dynamic find by method attempting to use the connection
# on ActiveRecord::Base in activerecord versions 3.1.0 to 3.2.2
# when it should be respecting the connection on its subclass
class QuoteTableNamePatch
  def self.quote_table_name(name)
    name
  end
end

module ActiveRecord

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# hash = HashWithoutNilValues.new
# hash[:a] = nil
# hash # => {}
#
# hash[:a] = {}
# hash[:a].class # => HashWithoutNilValues
#
# hash[:a] = []
# hash[:a].class # => ArrayWithoutNilValues
#

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# Run this: ruby <(curl --silent https://raw.github.com/gist/2484316/signature.rb)

require 'erb'

def format_phone_number(string)
  string.gsub!(/^0/, '+44')
  string.gsub!(/(...)(..)(....)(....)/, '\1 \2 \3 \4')
end

def blank?(string)

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class Rack::Reverse

  def initialize(app)
    @app = app
  end

  def call(env)
    status, headers, body = @app.call(env)
    [status, headers, [body.join.reverse]]
  end

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javascript:void((function(){var%20e=document.createElement('script');e.setAttribute('type','text/javascript');e.setAttribute('src','[[[[[URL HERE]]]]]');document.body.appendChild(e)})())

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# gem install gem-dependent
require 'rubygems/dependent'

def gem_dependencies(limit = nil)
  specs_and_sources = Gem::Dependent.all_specs_and_sources(:all_versions => true)
  specs_and_sources = specs_and_sources.take(limit) if limit
  Gem::Dependent.fetch_all_dependencies(specs_and_sources)
end

puts gem_dependencies(100).inspect

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unless RUBY_VERSION =~ /1.9/
  class Array
    def sample
      self[rand(self.size)]
    end
  end
end