stereosupersonic

require 'digest/md5'
Digest::MD5.hexdigest('http://foo-bar.com/yay/?foo=bar&a=22')
# "43facc5eb5ce09fd41a6b55dba3fe2fe"

#http://stackoverflow.com/questions/67890/whats-the-best-way-to-hash-a-url-in-ruby

stereosupersonic

require "rubygems"
require "progressbar"

pbar = ProgressBar.new("Update Offer",big_array.size)
big_array.each do | e |
  do_something
  pbar.inc
end

###################### oder  mit progress-monitor http://github.com/mikisvaz/progress-monitor

stereosupersonic

sudo gem update --system
sudo gem install gemcutter --source http://gemcutter.org
sudo gem tumble

stereosupersonic

RAILS_DEFAULT_LOGGER.error {my_object.errors.full_messages.to_s}

stereosupersonic

Rails.env.staging?

Rails.env => "development"

stereosupersonic

mkdir -p ~/Library/Application\ Support/TextMate/Bundles
cd ~/Library/Application\ Support/TextMate/Bundles
git clone git://github.com/grimen/formtastic_tmbundle.git 'Formtastic.tmbundle'
osascript -e 'tell app "TextMate" to reload bundles'

stereosupersonic

def every seconds, &block
   while true
      yield
      sleep seconds
   end
end

class Fixnum
   def minutes
      self * 60

stereosupersonic

validates_format_of :email,
:with => /^([^\s]+)((?:[-a-z0-9]\.)[a-z]{2,})$/i

stereosupersonic

open('output.txt', 'w') { |f| f << "This file contains great truths.\n"}

stereosupersonic

#!/usr/bin/ruby
#example: 
# youtube2mp3 EzgGTTtR0kc

VLC = "/Applications/VLC.app/Contents/MacOS/VLC"
youtube_id =  ARGV.first || STDIN.read

raise "no youtube id is given" unless youtube_id

system "#{VLC} -I dummy http://www.youtube.com/watch?v=#{youtube_id}