StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
fatal error: unexpectedly found nil while unwrapping an Optional value While unwrapping SKSpriteNode
| Author | Votes | Δ |
|---|---|---|
| idmean | 0 | 0.00 |
Last visited: Jan 3, 2016, 9:42:40 AM