StackRating
An Elo-based rating system for Stack Overflow
                
    Answers and rating deltas for
    Need to flatten a dataframe on the basis of one column in Scala
| Author | Votes | Δ | 
|---|---|---|
| vkt | 2 | +4.09 | 
| Mikhail Ionkin | 1 | -4.09 | 
Last visited: Oct 21, 2019, 3:17:49 PM