Hyper-G is (was?) an interesting hypertext design, where hyperlinks were stored in a separate database to ensure integrity and allow visualisations with trivial backlink calculations: https://www.ickn.org/elements/hyper/cyb20.htm
miniblog.
Related Posts
Beating an optimising compiler at compiling division calculations: https://lemire.me/blog/2019/02/08/faster-remainders-when-the-divisor-is-a-constant-beating-compilers-and-libdivide/
(TIL that gcc, clang and libdivide use different techniques!)
Abusing Django templatetags to calculations http://t.co/a3xHbUHF (entertainingly evil!)