The wp-cli (command line interface) project has really been gaining traction. Scribu shows in this post how to easily setup unit tests for WordPress plugins using wp-cli.
David Bisset did a vey nice review of Professional WordPress Design and Development, a book about WordPress written by Brad Williams, David Damstra, and Hal Stern. I have my copy sitting next to me, and have made it through a…
Alex Mansfield has published a very comprehensive overview of creating custom meta boxes in WordPress. It doesn't cover every type of field, but if you aren't using a class or other tool for building metaboxes, this will come in very…
I remember reading this before I started Post Status. It needs to be noted here just how useful this post on classing up your queries is. Brad gives examples for making it easier to extend WP_Query in your projects.
In this article, popular WordPress consultant Bill Erickson provides a complete walkthrough of steps used to successfully migrate a WordPress site from one server to another.
WP Stack is a professional WordPress deployment tool written and maintained by Mark Jaquith. It assumes you're already using a number of professional development techniques. Specifically, WP Stacks aims to help you scale WordPress out to multiple servers.
In this WordPress.tv episode, Daniel Bachhuber - a Code Wrangler at WordPress.com VIP team - presents what it means to be "one with the code" of WordPress development for providing elegant solutions.
In this WordPress Stack Exchange question and answer, Jeff Atwood - co-founder of Stack Overflow - asks an interesting question in relation to WordPress and WP Super Cache and Rarst provides the answer as to why.
I had the hardest time figuring out how to return the saved name for a given menu. After spending way too much time in Google, I stumbled across this simple function that does the trick.
Eric Mann describes why you shouldn't dequeue WordPress' version of jQuery. Unless you have a really, really good reason to use a CDN for jQuery (you probably don't), then stick with what WordPress ships with. You'll likely save yourself many…