Rails
How to call nested routes
How to test an xml builder view
JavaScript
Understanding Scope in JavaScript
Auto-populating text input fields
To class or not to class
HTML
Tag Cloud inspired HTML Select lists
Photoshop
Photoshop Smart Objects - some good info on usage
CSS
Some CSS Buttons - some nice designs
Microformats
Web 2.0 developer resources on Microformats
Macs
MacBook Pro 17″ hardware help
Why you should buy [...]