Here you will find, summaries, notes, and links, from recent tacow presentations. Feel free to post questions or comments to the mailing list.
PDF and Keynote presentation for Brent Gulanowski's Scene Kit presentation
Here are the links mentioned in David's Stuff and Such presentation.
Here's a quick summary of Karl's presentation on how to use the Uncrustify beautifier for Objective-C (and other C-like languages) from the 2011-01-18 meeting.