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.

January 9, 2009 — Markku Seguerra‘s slides from a WordCamp Phillipines 2008 presentation on plugin development

October 27, 2008 — Alex King‘s slides from his WordCamp Utah 2008 presentation on WordPress plugin development

October 27, 2008 — Slides from Emil Ong‘s presentation on WordPress, Java and Quercus – from WordCamp SF 2008

October 27, 2008 — Mark Jaquith‘s slides from his WordCamp SF 2008 presentation on Secure Coding with WordPress

October 27, 2008 — Slide-deck from Jonnya Freelance Creative’s WordCamp UK 2008 presentation on WordPress as a CMS