StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
How to write group by with add operation in MongoDB Java driver
| Author | Votes | Δ |
|---|---|---|
| Neil Lunn | 0 | -0.04 |
| Volodymyr Metlyakov | 0 | +0.28 |
Last visited: May 1, 2015, 9:08:26 PM