StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
SQL find rows in groups where a column has a null and a non-null value
| Author | Votes | Δ |
|---|---|---|
| Giorgos Betsos | 4 | +0.27 |
| Jay T. | -1 | -2.18 |
Last visited: Jun 2, 2016, 4:09:03 PM