"you have a problem. CL has a clunky solution that's built into the std, and scheme has a beautiful one that doesn't work in your dialect."
miniblog.
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Today I learnt about yamllint: if you're using YAML, you can at least ensure you're not suffering from the 'Norway problem':
It's really satisfying fixing crashes in rust-analyzer. You can start from a panic message and dig until you've got a tiny Rust program that triggers the problem.
(It's usually an issue with incomplete source files breaking invariants.)
Go has an os.Root API that allows you to enforce all paths are subdirectories of a given root. It fixes users accessing foo/../../../etc/passwd and similar.
Seems like a really nice solution for a relatively common problem.