Sylvain Mareschal, Ph.D.
Bioinformatics engineer
June 10, 2012 at 19:40
Stack Overflow
Stack Overflow is a proud member (the first actually) of the Stack Exchange Network, a series of Question & Answer platforms in a pure web 2.0 tradition. On such a platform, anyone can ask and answer questions about anything in the field (Stack Overflow's is "programming", quite large isn't it ?) and receive "reputation" points as retribution. As the reputation of a member grows, it obtains more privileges (edit its own messages, then other's ...), allowing anyone to end as an almost-full administrator, as long as it is implied enough in the website. Of course all of this is free and ad-less, and exists in different flavors from Sci-fi to gaming, throught less geeky topics such as cooking or photography.

An other good point is that accounts are shared through the various Stack Exchange websites, via the OpenID standard, so subscription has never been simpler. Although many of the Stack Exchange topics are from my favourites, you have the most chances to meet me on Stack Overflow, questioning about R ...