StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
MongoDB aggregate group array to key : sum value
| Author | Votes | Δ |
|---|---|---|
| Neil Lunn | 1 | +0.50 |
| John Petrone | 0 | -4.00 |
Last visited: Sep 14, 2014, 5:07:29 AM