Double Shot #1046

Ruby 1.9.3-p374 is released - With fixes for the segfault issues reported in p362.
Announcing Testling-CI - Cross browser continuous integration for modules intended to run in a browsers.
Learn CSS Layout - Online course.
Faster Websites: Crash Course on Web Performance - From Ilya Grigorik, who know a ton about this stuff.
The Absolute Beginner's Guide to Sass - The basics.