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Answers and rating deltas for

What is the most elegant way of converting the string 'a.pdf' to 'a.jpg'?

Author Votes Δ
Daniel Bruce 45 +4.11
miku 6 +1.01
Johannes Charra 3 +2.44
Mark Byers 2 +0.20
ghostdog74 1 +0.10
Karol 1 -0.76
fortran 1 -0.12
Peter Hansen 1 -1.19
codeape 0 -1.24
Daniel May -1 -4.00
Last visited: Sep 14, 2014, 5:07:29 AM