The Tumblog of one Jim Dovey, iOS Software Chief Architect at Kobo in Toronto, Ontario.
He Twitters, he has an , and can occasionally be found on LinkedIn or Facebook.
If you have a query, you can ask it here.
This blog contains personal opinions, and is not endorsed by any company.
A while ago, I was looking for a library to parse NSString objects as mathematical expressions. I wanted to be able to take a string like @"2+3*4" and get back 14. I found two easy ways to do this: GCMathParser and NSPredicate (of course!).