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Answers and rating deltas for

What is the "??" operator for?

Author Votes Δ
Jon Skeet 48 0.00
BFree 28 +1.13
JaredPar 12 +0.15
Scott Ferguson 8 +1.82
Konamiman 8 0.00
Darren Kopp 6 -0.02
tanascius 5 0.00
brysseldorf 4 0.00
Chris 3 -0.26
TobiasBohnen 2 -1.87
marcc 2 -1.75
JP Alioto 1 -0.89
Last visited: Sep 14, 2014, 5:07:29 AM