StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
Swift - Check nil of an unwrapped optional variable
| Author | Votes | Δ |
|---|---|---|
| Anil Varghese | 4 | +0.47 |
| Julien Quere | 1 | -3.73 |
Last visited: Sep 27, 2016, 9:15:25 AM