/proc usp.ruby is a mailing list about Unix system programming in Ruby. Not system level programming, for that you’ll need some C face time, rather writing Ruby applications and using all the firepower Unix provides (much of which also applies to OS X). If your platform is Unix, make the most of it. If not, switch. Some good stuff already in the archives.
Queued There are two things you can do with a relational databases. One, use it as a relational database. Two, try to work around the inconvenience of it being a relational databases. At which point you might be wondering, can I use MySQL as a queue? Yes, but don’t.
Private browsing not always so private. If you’re interested in details, here’s an analysis of private browsing modes in different browsers (PDF).
Ensemble Installing Rails and MySQL Node.js and MongoDB on Ubuntu using Ensemble. Also my introduction to Ensemble Juju. Also, I can’t keep track.
gzip bloom Golomb-coded sets are compressed Bloom filters. Quite useful when you’ve got spare CPU cycles but short on storage.
Signal Turns out Lion ships with a hidden WiFi diagnostic tool (also not-so hidden WiFi connectivity issues) that’s quite nifty.
No browser love Ever wondered why restaurant web sites are so horribly bad? Slate answers.
Pr0n Just as important, how much of the Internet is really porn?