July 10, 2010 — Usability is vital to website success; if people can’t use it, they won’t. Steve Martin will show you that little usability changes can make a BIG difference and teach you how to run user testing sessions on your own. He’ll also be conducting a usability test live with the audience.

July 10, 2010 — This is live WordPress development without a net. Alex King and Shawn Parker from Crowd Favorite take you through the full process of creating a new feature/add-on/customization for WordPress; from concept to architecture to code.

July 10, 2010 — You want your WordPress site to be fast, use less server resources, and be able to handle increases in traffic. WordPress’ output and object caching are there to help everyone realize these goals. This talk from Chris Scott and Sean O’Shaughnessy cover the differences and interactions between these two types of caching, benchmarks of common caching plugins, and tips for ensuring your themes and plugins are taking advantage of caching.

May 1, 2010 — Are you developing a WordPress theme? Yoav Farhi from Automattic teaches you the basics of right-to-left language support in seven minutes in this lightning session.

Video provided by Blaze Streaming Media.

May 1, 2010 — Allan Cole gives a brief introduction to child themes and explains their benefits and advantages in this lightning session.

Video provided by Blaze Streaming Media.

May 1, 2010 — Jane Wells uses real examples to demonstrate how to best design your WordPress user experiences to mesh with those of the core software and fulfill the expectations of your users.

Video provided by Blaze Streaming Media.

May 1, 2010 — Mitcho Erlewine discusses avoiding programming disasters by properly abstracting the code you write and how you can make sure to write code both you and others can reuse in the future.

Video provided by Blaze Streaming Media.

May 1, 2010 — Joseph Scott teaches guidelines, practices, and tips for designing your WordPress plugins to keep a responsible balance between using the power granted to plugin authors and keeping your users’ data and installations secure and stable.

Video provided by Blaze Streaming Media.

May 1, 2010 — Niall Kennedy kicks off the developer track of WordCamp San Francisco 2010 and gives an overview of how using and developing plugins can extend and enhance your WordPress-based site.

Video provided by Blaze Streaming Media.

April 24, 2010 — Steve Zehngut moves beyond the basics of plugin creation and demonstrates more advanced plugin development by creating a new media management plugin for WordPress live in this presentation.

Video provided by Blaze Streaming Media.