Sometimes the bugs in programs do not depend on a programmer. For example, when a programmer expects a certain result from a built-in function, that would be the last place to check for bugs. But sometimes weird stuff happens, and it also happened to me.

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.