StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
MySQL return max value or null if one column has no value
| Author | Votes | Δ |
|---|---|---|
| Petr Novicky | 3 | +4.86 |
| fthiella | 2 | -0.44 |
Last visited: Sep 14, 2014, 5:07:29 AM