StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
Why do we need optionals in swift programming language?
| Author | Votes | Δ |
|---|---|---|
| Rob | 4 | +0.28 |
| Let's_Create | 1 | +0.96 |
| Ahmed Nour | 0 | -3.17 |
Last visited: May 11, 2019, 11:16:05 PM