Abstract Heresies

              Unorthodox opinions on computer science and programming.

Thursday, September 24, 2026

Not Everyone Can Code

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Not everyone can debug code Counterfactual reasoning is a technique where you assume alternative scenarios that could have happened, but...
4 comments:
Saturday, September 19, 2026

lisp.md: System Instructions for Lisp

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I have an extensive lisp.md file that I include in my system instructions when I am vibe coding Common Lisp. Feel free to use these suggest...
3 comments:
Sunday, September 13, 2026

FDES: Fast DES in LMI Lambda Microcode

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Back in the 80s, Bob Baldwin was hacking cryptography at MIT and one hack he built was a streamlined DES implementation which tried to t...
Friday, September 11, 2026

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When I did interviews for Google, one of my go-to interview questions was to ask the candidate to determine if someone had won a game of...
2 comments:
Saturday, September 5, 2026

Githack: A Persistent Object Store for Lisp Based on Git

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Git has a built-in persistent store for objects based on Merkle trees. It is tailored to store files and directories, but these are just...
Friday, September 4, 2026

Will it DEFMACRO?

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Why write boilerplate code when you can ask an LLM can do it for you? But even LLMs will avoid boilerplate if they can. I recently vib...
1 comment:
Thursday, September 3, 2026

Recursive Descent: Vibe Coded Rogue-like in Common Lisp

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I was talking with Amit Patel of Red Blob Games the other day and he mentioned that he had been participating in a programming endeav...
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