StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
MongoDB aggregation: any value of $exists
| Author | Votes | Δ |
|---|---|---|
| Puneet Singh | 3 | +5.09 |
| chridam | 0 | -0.64 |
Last visited: Jan 11, 2017, 12:58:37 PM