Best of StackOverflow

Subjective list of favorite StackOverfow questions

http://stackoverflow.com/questions/184618/what-is-the-best-comment-in-source-code-you-have-ever-encountered

http://stackoverflow.com/questions/381542/with-c-arrays-why-is-it-the-case-that-a5-5ahttp://stackoverflow.com/questions/11227809/why-is-processing-a-sorted-array-faster-than-an-unsorted-array
http://stackoverflow.com/questions/21947452/why-is-printing-b-dramatically-slower-than-printing
http://stackoverflow.com/questions/2501023/demonstrate-covariance-and-contravariance-in-java