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Answers and rating deltas for

What is the meaning of the ? operator?

Author Votes Δ
Spontifixus 2 +3.27
Pranay Rana 2 +0.89
Soner Gönül 1 -0.15
daryal 1 -0.06
nothrow 1 -0.26
nsutgio 0 -3.32
Rahul20 0 -3.29
Last visited: Sep 14, 2014, 5:07:29 AM