ChrisJJ questions

• Solution to travelling salesman problem using nearest neighbour algorithm in one LINQ query?
• Why does mkdir occasionally give Access Denied?
• CMD: failure of %~d0 when CALL quotes the name of the batch file
• Getting XCOPY to concatenate (append)
• Why does setting LinearGradientBrush.WrapMode to Clamp fail with ArgumentException ("parameter is not valid")?
• How to specify a literal initialiser for Stack or Queue?
• How to avoid this bogus "dirname() expects exactly 1 parameter" warning?

ChrisJJ answers