StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
How to understand `!` and `?` in swift?
| Author | Votes | Δ |
|---|---|---|
| Krunal | 5 | +3.69 |
| Hapeki | 3 | +0.42 |
| Dhaval Mistry | -3 | -3.70 |
Last visited: Jun 24, 2017, 4:58:10 PM