To get good help, include enough context of the issue in question. A help post should generally include the following:

Only links, reddit-style.

Development discussion for Nix, NixOS, Nixpkgs, NixOps, RFCs, etc.

Post best practices, guides, and tutorials here.

This category is for Nix and NixOS related job posts.

Announce community events like meetups and conferences

Any nix-related projects are welcome to post announcements here. This generally includes new projects, project releases.

To talk about organizational level things.

This category is for people who want to interact with Discourse by email. There are many reasons to use email, one of them is accessibility, another one is convenience and offline support.