The section “Pinning Package Versions” of this article describes how to pin a package to a specific semantic version using its hash value on nixhub.io.

Distribution package managers can’t keep up with the fine-grained hash-based dependency management that newer language package managers have (e.g. cargo)

I went on a little low-level Nix adventure yesterday and early this morning because of this excellent blog post. In it, Farid builds up the simplest possible Nix derivation—making a file that has the contents “hello world”. Here’s what I like about it:

Interesting article about modern vs classical deps management in software.

ApplePi-Baker, a free macOS utility to Backup

Found this because I was trying to understand why the Nix Darwin was asking to “install a helper tool”. It’s the fact that Apple has this https://developer.apple.com/library/archive/documentation/Security/Conceptual/SecureCodingGuide/Articles/AccessControl.html tool now to improve macOS security