The World In Links [3/28-4/3]

Design: 8 ways to avoid coming website mistakes.
Development: Use bit.ly for local development URLs.

Firefox 4: From a developers perspective.

Productivity: Why bloggers/developers should not check email in the morning.

Software: 10 free source code editors compared and reviewed.

UX: Beautiful examples of login / registration forms.

WordPress: Beginners guide to plugin development.

Xdebug: Improve the WordPress development process.