Today's little updates

[rfunk]

• 13:21 decided to update iPod before going out. Waiting for that, decided to install Java&JRuby. Now iPod is done, gotta finish JRuby.... #
• 13:47 ooh, I can ask JRuby for the number of CPUs (via Java). Seems like a good start to parallelizing Enumerable#collect (aka "map")... #