andrew r. louis
notes from the middle of figuring things out.
writing
the perceptron: no thoughts, just dot products
It’s just y = mx + b with a God complex.
2026-01-11perceptronmachine-learninglinear-algebraneural-networks
when the linked lists go dancing
stationary data, moving relationships.
2026-01-23data-structuresmemoryperformancesystems-programming
the shape of stuck
an attempt to deconstruct the feeling of being stuck working a problem
2026-01-23algorithmsproblem-solvingdescarteskahneman
x & (x − 1): the bit you lose
Subtract 1, AND with the original, and the lowest set bit vanishes. A worked walkthrough of the mechanism.
2026-02-17bit manipulationalgorithms