StackRating
An Elo-based rating system for Stack Overflow
                
    Answers and rating deltas for
    How can I set a variable to a value, only if that value is valid?
| Author | Votes | Δ | 
|---|---|---|
| xuanduc987 | 1 | +3.94 | 
| kajal ojha | 0 | -1.09 | 
| MarsAtomic | 0 | -0.18 | 
| soltex | 0 | -1.39 | 
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