StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
Rails: first_or_create not working
| Author | Votes | Δ |
|---|---|---|
| penner | 5 | 0.00 |
Last visited: Jan 5, 2016, 11:16:08 AM
| Author | Votes | Δ |
|---|---|---|
| penner | 5 | 0.00 |