StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
How to check the key is exists in collection or not
| Author | Votes | Δ |
|---|---|---|
| efkah | 2 | +3.76 |
| Guillermo Phillips | 1 | -3.76 |
Last visited: Jun 24, 2017, 4:03:14 PM