StackRating
An Elo-based rating system for Stack Overflow
                
    Answers and rating deltas for
    Is Map.containsKey() useful in a Map that has no null values?
| Author | Votes | Δ | 
|---|---|---|
| Maroun | 4 | +1.52 | 
| Sergey Kalinichenko | 2 | -0.35 | 
| Sean Reilly | 0 | -0.95 | 
| emlai | 0 | -1.75 | 
Last visited: Jan 1, 2016, 10:22:34 PM