StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
Can I use group_by method in ruby on rails by multi table?
| Author | Votes | Δ |
|---|---|---|
| Champer Wu | 0 | 0.00 |
Last visited: Jul 27, 2017, 1:47:45 PM
| Author | Votes | Δ |
|---|---|---|
| Champer Wu | 0 | 0.00 |