StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
Downcast from 'UIViewController?' to 'UIViewController' only unwraps optionals; did
| Author | Votes | Δ |
|---|---|---|
| Moriya | 2 | 0.00 |
Last visited: Jan 28, 2016, 3:17:58 PM