StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
how to count number of distinct values of a field from two collections in mongodb
| Author | Votes | Δ |
|---|---|---|
| styvane | 3 | +3.86 |
| Juan Carlos Farah | 2 | -2.53 |
Last visited: Jan 2, 2016, 2:33:54 AM