this post was submitted on 24 Jan 2025
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Compression is lossy.
So when you zip some files and then unzip them, some of the bytes are missing? Really?!
If nothing is lost, what did you compress away? Decompression is magic, I ain't gotta explain shit
If you want the magic explained, here's a start: https://en.wikipedia.org/wiki/Lempel%E2%80%93Ziv%E2%80%93Welch
Newer fractional arithmetic encoding can get crazy
https://en.wikipedia.org/wiki/Asymmetric_numeral_systems