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An Elo-based rating system for Stack Overflow
                
    Answers and rating deltas for
    How to store multiple values for the same key in an NSDictionary, given an NSArray of JSON objects?
| Author | Votes | Δ | 
|---|---|---|
| gabbler | 2 | +0.49 | 
| ozgur | 1 | -2.10 | 
| Skyler Lauren | 1 | -1.80 | 
Last visited: Jan 1, 2016, 11:45:33 PM