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Resolved issue with Rails tests giving me "ActiveRecord::StatementInvalid: PGError: ERROR: invalid input syntax for type timestamp". I unset LC_ALL (which was set to pl_PL.UTF-8) and defined only (LC_TIME=C). I learned the theory from environment variables tutorial.

Handwriting tips

Programmers love writing (and mocking) tests

How to check if two objects are equal

Sun

The code garden (an analogy that sucks less)

JRuby: Almost Ready for Primetime?

Google SoC Series: Web-based Rails Debugger

Michael Carter overview of SQLAlchemy