StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
How to add an and condition to the query only when the column is not null?
| Author | Votes | Δ |
|---|---|---|
| mns45 | 3 | +3.86 |
| Mathias Magnusson | 0 | -3.86 |
Last visited: Mar 10, 2016, 6:57:03 PM