Some of the content here may be worthwhile, but most of it is experimental.
You probably want to look at some of the content listed on the menu to the left. Or look at the Change Log to see what has changed recently.
Don't expect anything particularly professional or complete here. This is my scratch pad, and you view it at your own risk. I've usually got about 80 more things I want to add to this site, but never have time to do it.