Category "nsmutablearray"

Delegate/Protocol doesn't work: pass Array from TableViewController to parent ViewController

I have a parent ViewController (SearchViewController) which segues to a TableViewController (FilterTableViewController) where the User can select persons in the

Sorting objects in NSMutableArray with sortUsingComparator

I have the following mutable array: NSMutableArray *persons = [[NSMutableArray alloc]initWithObjects:person1, person2, person3, nil]; where every person is a