(via www.lullabot.com)
50 great tips and tricks on Drupal that include:
- Drupal admin and configuration
- Drupal.org
- Theming
- Views
- JavaScript
- Drupal Development and Coding
There are other great tips on Drupal development on the site. Definitely check it out!
JohnandCallins' blog on Drupal
johnandcailin.com - Great tips for advanced users of Drupal.