StackRating
An Elo-based rating system for Stack Overflow
                
    Answers and rating deltas for
    Why historically was `substr` added when `substring` already existed?
| Author | Votes | Δ | 
|---|---|---|
| Amit | 7 | +0.77 | 
| Dan Lowe | 5 | +2.64 | 
| Gökay Gürcan | 1 | +0.14 | 
| Jean-François Corbett | -1 | -0.75 | 
| Aishwarya Shiva | -1 | -2.50 | 
Last visited: Jan 3, 2016, 9:42:40 AM