Flashblock plugin for Firefox is a nice thing.

• bullet
  A Rails plugin that will watch your queries while you develop your application and notify you when you should add eager loading (N+1 queries), when you’re using eager loading that isn’t necessary and when you should use counter cache. Cool.
• the update | gemcutter
  Gemcutter (soon to be rubygems.org) will become the default gem host for the ruby community, replacing rubyforge.
• White House opens Web site coding to all
  White House goes Drupal. I’m pretty sure this article was written by somebody with no clue what open source is. Some of the descriptions are nonsensical.
• Why seeding is important for random functions…
  or, How to Cheat at Bejeweled.
• and another thing… – Announcing Refraction
  Refraction is Rack middleware that can provide “mod_rewrite” type functionality using an easier to understand Ruby dsl. Some performance tradeoffs, but not as much as trying to use Rails routing.