What's the difference between a.sort and a.sort! ?
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To sort an array a in Ruby, you could either do a.sort or a.sort! . What's the difference between the two? Discuss performance and end result. How would you use them? Provide one example where a.sort is better than a.sort! and one example where a.sort! is better than a.sort.
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Samuel Bostick Rochester Institute of Technology | |
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Jonathan Wang University of California at Berkeley |
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