query_posts is one of the most often wrongfully overused functions in tutorials around the web. In this session you will learn how to query the WordPress database to get the results you want.
You will learn the proper use of get_posts, query_posts, and an in depth look at the WP_Query class. We will cover querying posts by categories, custom taxonomies, custom post types, and custom meta queries along with how to sort and order and paginate your results.
Advanced topics will also cover multiple loops, filtering the query vs creating a new query and how the query effects site performance.
About: Chris Olbekson
Chris Olbekson is a WordPress developer and consultant. He’s built enterprise level sites as well as high-profile blogs and also does server and client side WordPress performance tuning. Over the past few years he’s been very active in the Houston WordPress Meetup Group, answering questions onwordpress.stackexchange.com and contributing to WordPress by releasing plugins and volunteering on the WordPress.org support forums. URL: http://c3mdigital.com/