http://www.dirvish.org/ Dirvish is a fast, disk based, rotating network backup system. With dirvish you can maintain a set of complete…
http://ifakedit.com/log/2006/01/17/best-ideeditor-for-ruby-on-rails/ Review of the best cross platforms ruby ides
http://www.planet-source-code.com/ Step by step: open a socket, design an icmp packet, calculate checksums,....
http://www.pixelbeat.org/cmdline.html quick reference for common tasks, very good
http://particletree.com/features/a-designers-guide-to-prototyping-ajax/