StackRating
An Elo-based rating system for Stack Overflow
                
    Answers and rating deltas for
    How to filter out array elements where object may or may not exist?
| Author | Votes | Δ | 
|---|---|---|
| James | 1 | +3.05 | 
| Unmitigated | 1 | +0.18 | 
| shadowtime2000 | 0 | -2.20 | 
| Victor Shinobi Gakiya | 0 | -2.29 | 
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