The 28 Bytes of Ruby Joy will notably clean up your code:
Hi, I am Jan. This is my old Ruby blog. I still post about Ruby, but I now do it on idiosyncratic-ruby.com. You should also install Irbtools to improve your IRB.
Just another "Ruby code is beautiful" presentation ;)
These the slides for my proseminary about the Ruby syntax. It is loosely based on an essay by Yukihiro Matsumoto which is published in the O’Reilly book Beautiful Code. It is released under a creative commons license.
Upgrading to Rails 3: Obstacles and helper scripts
Transferring an existing project to Rails 3 is not that hard, but it usually cannot be done in 5 minutes.