StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
SQL SELECT a value when it exists, otherwise populate a null value, multiple times
| Author | Votes | Δ |
|---|---|---|
| George Mastros | 0 | -0.17 |
| Nagasaki | 0 | +1.34 |
Last visited: Sep 14, 2014, 5:07:29 AM