StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
Merge multiple row then left join-php mysql
| Author | Votes | Δ |
|---|---|---|
| Paul Maxwell | 3 | +0.45 |
| Gayasuddin Usmani | 1 | -3.61 |
Last visited: Feb 11, 2018, 8:38:02 PM