Top Questions

1. How do I apply a perspective transform to a UIView?
   199 votes

   4 answers
2. Do NSUserDefaults persist through an Update to an app in the Appstore?
   109 votes

   6 answers
3. Is it possible to prevent an NSURLRequest from caching data or remove cached data following a request?
   90 votes

   6 answers
4. Checking to see if an optional protocol method has been implemented
   55 votes

   2 answers
5. Is it possible to configure a UITableView to allow multiple-selection?
   41 votes

   12 answers