StackRating
An Elo-based rating system for Stack Overflow
                
    Answers and rating deltas for
    How can I define an object as one type, then later declare it as a sub-type?
| Author | Votes | Δ | 
|---|---|---|
| Sergey Kalinichenko | 3 | +0.28 | 
| super | 2 | -0.91 | 
Last visited: Jun 21, 2018, 4:55:19 AM