StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
Group by and group concat , optimization mysql query without using main pk
| Author | Votes | Δ |
|---|---|---|
| Rick James | 2 | +1.50 |
| Marcus Vinicius Pompeu | 2 | +2.21 |
| newtover | 0 | -1.10 |
| Rick James | 0 | -0.67 |
Last visited: Dec 30, 2017, 5:37:28 PM