An extension to Firebug to quickly find elements matching your CSS selectors or XPath expressions. Nice! As an alternative one could of course hook jQuery via a bookmarklet and then type some selector s(h)izzle into the regular console.
Great article with 7 (of the many) JavaScript Differences Between Firefox & IE, things one really should now … be sure to read the first comment too (Hammer. Nail. Spot on.) 😉
Jonathan Snook gives us instructions on how to build a simple URL shortener in CakePHP. The basic idea of course can be converted to any scripting language. Be sure to check this (plain) PHP script from one year ago too while you’re at it.