StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
How does this SQL query to update a row if exists, or insert if not, work?
| Author | Votes | Δ |
|---|---|---|
| Bruno Costa | 3 | +5.83 |
| OMG Ponies | 1 | -0.73 |
Last visited: Sep 14, 2014, 5:07:29 AM