StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
Swift 3: Meaning of parenthesis around unwrapped optional
| Author | Votes | Δ |
|---|---|---|
| Niko Adrianus Yuwono | 1 | 0.00 |
Last visited: Mar 1, 2017, 3:47:55 AM