I found out about the valueForKeyPath for NSArray today and apparently you can do a similar thing with NSDictionary. Find out more about Key-Value Collection Operators from Apple’s website.

I want to give a shout out to some great Q&A forums I’ve used over the years. I’m giving these in chronological order:

kirupa.com — This a forum I used for help with actionscript. I used it for AS2 as well as AS3. It’s a home to Senocular who is one of the best developers I’ve ever recieved answers from.