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The latest blog posts to take off on Hacker News. 6,153 posts.

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2022
2382

Noether's Theorem in a Nutshell (2020)

Noether's theorem is an amazing result which lets physicists get conserved quantities from symmetries of the laws of nature. Time translation symmetry gives conservation of energy; space translation symmetry gives conservation of momentum; rotation symmetry gives conservation of angular momentum, and so on.

2399

Using unwrap() in Rust is okay

One day before Rust 1.0 was released, I published a blog post covering the fundamentals of error handling . A particularly important but small section buried in the middle of the article is named “ unwrapping isn’t evil ”. That section briefly described that, broadly speaking, using unwrap() is okay if it’s in…