If you look at certain languages, usage of such spaces is much more limited. For example, Elixir's docs are absolutely phenomenal, which leads to discussion being dominated by much harder problems than "how do I use X".
The article here covers the idea pretty well. You need to cover all 4 parts of documentation, and it should definitely be all available in official documentation, rather than relying on lower-discoverablity third parties.
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If you look at certain languages, usage of such spaces is much more limited. For example, Elixir's docs are absolutely phenomenal, which leads to discussion being dominated by much harder problems than "how do I use X".
The article here covers the idea pretty well. You need to cover all 4 parts of documentation, and it should definitely be all available in official documentation, rather than relying on lower-discoverablity third parties.