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Answers and rating deltas for
ruby 2.3 error: NoMethodError: undefined method `sum' for main:Object
| Author | Votes | Δ |
|---|---|---|
| Keith Bennett | 0 | +0.09 |
| Petr Gazarov | 0 | -0.71 |
Last visited: Sep 17, 2016, 4:42:36 AM