StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
How to join only on the row where certain columns are not null?
| Author | Votes | Δ |
|---|---|---|
| Gordon Linoff | 1 | +1.76 |
| ps2goat | 0 | -1.76 |
Last visited: Dec 22, 2019, 3:27:20 AM