My favourite all-purpose, extensible and customizable editor is Emacs. Mastering Emacs takes months, even years, and there is always a lot to discover. For example, I've just seen how Emacs tried to byte-compile a simple ChangeLog text document. How could that happen?

A bootstrap guide on creating Gnome2 panel applets with Python.

An adventure of dealing with Target filesystem doesn't have /sbin/init