I recently came upon an extremely quick, simple, and brutal to insert a file into a MS SQL database using only the query editor and a hex editor:

• sql

I ran into a very sticky issue while writing a very complex set of PHP classes: I continually ran into the "Class '[ClassName]' not found" error, even though the classes were clearly defined – sometimes even in the same file. This drove me nuts for hours.

• php

This is really just a quick piece of trivia, but can cause tremendous problems if you're not expecting it.

• php

After recently taking a trip down memory lane with the old DOS-based Id game, Hexen, under Wine. I discovered a very random issue with my installation of Ubuntu 8.10 (Intrepid Ibex): my right alt key didn't really do anything.

• linux

Web development is entirely reliant on browsers to display web sites. Without browsers, the large majority of the Internet would cease to be useful – or functional for that matter. So how is it that browsers don't matter?

• css
• html
• browser