StackRating
An Elo-based rating system for Stack Overflow
Answers and rating deltas for
getting error Call to a member function result() on boolean when i try to use group_by function in c
| Author | Votes | Δ |
|---|---|---|
| Hasta Dhana | 2 | 0.00 |
Last visited: Sep 5, 2020, 12:36:14 PM