[invalidname]

There are several sites like this including Hashnode, medium, tealfeed, etc. They all suffer from the same problem.

Medium solved this with publications. Others solved it by tagging, moderation etc. although that's not ideal either.

[addicted]

Yes. For all the frustrations with Stack Overflow, they actually do a pretty great job on the reader side.

The site isn’t spammed by people posting the same stuff repeatedly. And you can find solutions of varying difficulty levels and quality.

The problem for them is that makes it harder to contribute.

Which may actually be an intrinsic part of resolving the excess of low quality items problem.

[invalidname]

I love stackoverflow. I think it's great for what it tries to solve and far exceeds sites like Quora.

But for articles the alternatives: Dzone, Hacker Noon and medium publications such as Better Programming, etc. aren't great either.

Generic good writing is hard and very subjective.