Use list of categories as values for a custom field dropdown Kevin Potts is back with a tutorial for dynamically pulling in a list of specific categories to populate a custom field dropdown.
Using TXP constants and subdomains to speed up your site rendering A very useful tutorial from Phil Wareham explores some ways to speed up the serving and rendering of a website.
How to use a different MySQL user for public side site access Net-Carver brings us an excellent tutorial on different MySQL users for public side access.