StackRating
An Elo-based rating system for Stack Overflow
                
    Answers and rating deltas for
    How can i select a max of column witch type is unique identifier
| Author | Votes | Δ | 
|---|---|---|
| Aleksey Ratnikov | 0 | 0.00 | 
Last visited: Oct 22, 2016, 6:30:00 PM