Links dump
I don't have time to write another big post so I have decided to post several interesting links.
You can use great Copy as RTF TextMate plugin by Dr. Nick If you want to insert highlighted code samples in you Keynote presentation. It allows you to copy code with highlighting from TextMate and paste it directly into the slides.
If you are using Ruby check out slides by Michael Klishin about Rspec patterns shmatterns. We are using all described techniques at Orwik.
Great blog post monoids in Haskell from A Neighborhood of Infinity. Describes Monoids and how to use them with Writer and State monads.
select * from depesz; is a very interesting blog about Postgresql RDBMS. It have posts about new Postgres features and useful tips.