May 31, 2015 — Once upon a time we passed parameters to create web pages, now we use pretty URLs and (hopefully) think through our URLs carefully. URLs are one of the fundamental commands a user can give WordPress, and they can be poetic, powerful and precise all at once. This talk covers how URLs are turned into WP_Query parameters, what URL endpoints are and when to use them, how URLs can be attractive and amusing, and how to use URLs across different post type structures.
November 15, 2014 — In the recent past, the WordPress developer community has been enlightened as to the dangers of query_posts() and embraced new WP_Query(). Now, let’s take a deeper dive into WP_Query and its helpers, WP_Tax_Query, WP_Meta_Query, and WP_Date_Query. From arguments to SQL to hooks, we take a look at how to get just the posts you want.