StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
Ruby: Safe-navigation operator, undefined method `call`
| Author | Votes | Δ |
|---|---|---|
| Eric Duminil | 5 | +2.07 |
| Jörg W Mittag | 1 | -2.07 |
Last visited: Jul 20, 2017, 3:06:08 AM