Really nice move by Flickr: if your images are CC licensed, they won't limit how much you can upload with a free account! https://twitter.com/creativecommons/status/1104067700119216129
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One cute feature of markdown I'd not noticed before: there's no syntax for images *without* a description (i.e. alt text).

https://spec.commonmark.org/0.31.2/#images
If you created a large, successful OSS project, would you want to be BDFL or move on after a period?
I see tradeoffs on both sides, although it's not a decision I've needed to make myself.
I would have thought that invoking a C compiler would be a solved problem. Looking at Rust's cc crate there's a remarkable long tail of corner cases to fix.
Exotic CPUs, microarchitectures, compiler differences, operating system differences, etc.
https://github.com/rust-lang/cc-rs/blob/main/CHANGELOG.md