What I'm most worried about is the duplication between the canonical documentation of a project and the StackOverflow one. As the author of an open-source project, I try my best to write a great documentation, and I would be a bit annoyed if people started to add examples to StackOverflow just to gain reputation there instead of contributing to the "official" one. Also, SO is ranked way higher than the smaller-projec…
There's one question I saw on Stack Overflow a while back that irritated me. If you copied and pasted the literal question directly into Google, the top hit was directly to the canonical documentation, where you could just scroll down to the clearly marked heading, and copy and paste the sample code and have it work straight away. When I pointed this out, I was berated for not understanding that Stack Overflow is try…
I see this on SO a lot. Some developers just have different experience levels, and are better/worse at searching through docs.