StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
Rails undefined method `persisted?'
| Author | Votes | Δ |
|---|---|---|
| Ana María Martínez Gómez | 4 | +3.90 |
| mrzasa | 0 | -0.49 |
Last visited: Feb 25, 2019, 9:45:30 AM