I've often seen people say that mixins simplify their code. In my latest blog post, I demonstrate that while mixins may make things more DRY, they don't make it more simple.
If you've ever wondered how to submit patches to Ruby, I just posted Contributing to Ruby's Documentation to my blog. The existing guidelines were a bit unclear, so I wanted to clarify them for anyone who's looking to submit documentation before the feature freeze of 1.9.3.
Visiting teachers have no official position at RMU, but will be participating in advising students, sharing their experiences, and just generally being available as another resource for those taking RMU courses.