Kendo - 4:35 am on Aug 29, 2013 (gmt 0)
Remember when Wikipedia dominated results
This was a typical example of manipulation from inside. Similar favouritism was applied to other "how do you" sites that only have a title and H1 tag related to the keyword string.
Dunno how Stack Overflow does it but I can be searching for a solution to a problem for days and then go to SO to post the question and it appears at the top of searches within minutes... with only a partial match.