StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
How to check MongoDB to see if item already exist in collection
Author | Votes | Δ |
---|---|---|
IftekharDani | 1 | +2.66 |
chridam | 0 | -2.66 |
Last visited: Jan 13, 2019, 1:32:24 AM