I like to think I know a lot about web design, hosting, development, etc, but I also like to think when I am unsure of something, I know where I like to go. (not to mention I like to use commas) If you are a web developer with questions or would like to help web developers with their questions, check out the following lists:
- Apache: http://httpd.apache.org/lists.html
- CSS: http://www.css-discuss.org/
- PHP: http://www.php.net/mailing-lists.php
- PHP Security: http://lists.phpsec.org/mailman/listinfo/news/
- Web Development on Macs: http://lists.apple.com/mailman/listinfo/web-dev/
- Web Site Development: http://lists.evolt.org/mailman/listinfo/thelist/
I hope those help you as much as they have helped me over the years. The Open Source Community has been great and I am thankful to be apart of such a supportive community.
