There is a bug in WordPress’s plugin activation related to variable collisions. When WordPress activates the plugins it executes them within the scope of the activate_plugin function. The problem is that this scope is full of other variables that can collide with your plugin’s top scope.

I just discovered Google Sites while (for the umpteenth time) looking for a simple tool for writing documentation. In the past I had always fallen back on using Google Docs, Basecamp, or just passing around text files. These got the job done, but always felt a little clunky. I knew what I wanted was probably [...]