I've stumbled across several great snippets of Ruby code on the Web in the past few weeks, and rather than bore you with a post on each one, here's a whole collection at once:

Evan Weaver had a basic problem to solve:

Benchmarking with httperf is a new screencast by Geoffrey Grosenbach in his Peepcode series of Ruby / Rails related videos. It costs $9, but for that you get a bundle of source code and a very high quality video of 53 minutes' length.

SQLDSL, by Jay Fields, is, simply, "a library for creating SQL statements using Ruby code." Jay posted separately about the pros and cons of SQLDSL on his weblog, although he might be accused of bias with only one con to six pros (compelling as they may be).

I'm currently putting together the list of publications that my publisher, Apress, can send and push my book to. Unfortunately Ruby has a rather lacking publishing ecosystem, but I figure I'd try "ruby magazine" in Google none the less.