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Answers and rating deltas for

What is the most elegant way in Ruby to substitute '?' in string with values in array

Author Votes Δ
Milan Milanov 3 +3.98
tessi 2 +1.71
sawa 1 +0.20
Arup Rakshit 1 +0.58
Johnsyweb 0 -1.44
Last visited: Sep 14, 2014, 5:07:29 AM