StackRating
An Elo-based rating system for Stack Overflow
                
    Answers and rating deltas for
    Inserting a column with specific characters of another existing column using substr() and regexp() N
| Author | Votes | Δ | 
|---|---|---|
| Sven | 0 | 0.00 | 
Last visited: Sep 5, 2019, 6:09:31 PM