The scroll bars in Internet Explorer never go away. If they're not needed, they just disable. To me this is an incorrect behavior, and it was really causing problems on a site I'm working on where I'm handling the scroll bars inside of a wrapper div anyway so I didn't want two scroll bars. Turns [...]
I'm working on a program that is fairly Ajax heavy right now. Several of the JS routines need to call for XML from the server, and when there is no data to parse I'm sending a 204 header (no content) so that the JS can know there's no data without having to parse the XML. [...]
There is a small graphic file that most people probably don't know about, but your web browser does. It's the favicon.ico file and it can help your site to stand out.