Finally, an easy way to have a browsable and searchable archive of your tweets. Even better, you can host it on your own site. Hat tip to @rands for the link.
web_development
How to Unlock the Secret “All Settings” Menu in the WordPress Dashboard – WordPress, Multisite and BuddyPress plugins, themes, news and help
A quick addition to your functions.php will provide quick access to an 'alphabetized list of everything in the wp_options table' within the WordPress dashboard.
Handy, very handy.
CSS3 PIE
CSS3 PIE (Progressive Internet Explorer) is an IE behavior that extends it's capabilities by providing support for several CSS3 features such as border-radius, box-shadow, border-image, multiple background images and linear gradients for background images.
Selectivizr
A "JavaScript utility that emulates CSS3 pseudo-classes and attribute selectors in Internet Explorer 6-8."
WebPagetest
An excellent resource for testing and optimizing Web site performance. The information contained in the results is the most thorough of any I've seen.
Adobe BrowserLab
Adobe's service that provides a nice array of browser screenshots of any URL entered, significantly easing cross-browser tests.