Here be hax, read at your own risk! - http://caiustheory.com/evil-rb

I wrote down a few refactorings I do without really noticing I'm doing them anymore with a short explanation as to each. http://caiustheory.com/some-small-refactorings-in-ruby

I wrote up a blog post on what DATA is, and why I use it so often: http://caiustheory.com/why-i-love-data

Ruby's URI library contains a bunch of regex's that come in handy occasionally: https://gist.github.com/1223928

Just a short post showing how to control which attributes get dumped in your class by YAML - http://caiustheory.com/potty-training-yaml

I just wrote up all the %() shortcuts I know about — go take a look and hopefully learn one or two you didn't know about!