For the NAVUG Summit in St. Louis 2014 I did a presentation called “Introduction to Design Patterns and Upgradable Code“. This presentation was very well received with top ratings. Therefor NAVUG have asked me to repeat the presentation in a webinar which is free for anyone to attend.
The Webinar is on January 27th from 21:00 to 22:00 CET (Europe) and 3:00 PM – 4:00 PM EST (US)
Here is the link
The session will be recorded too.