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Halloween Memories!

Bruce Ediger

Back when my kids were still young and innocent enough to want to go trick-or-treating, for a few years we went to some suburban friends cul-de-sac-filled neighborhood.

Gall's Law

Gall's Law

Bruce Ediger

I ran across an engineering aphorism or principle called “Gall’s Law”:

A complex system that works is invariably found to have evolved from a simple system that worked. The inverse proposition also appears to be true: A complex system designed from scratch never works and cannot be made to work. You have to start over, beginning with a working simple system.

GPP Quine

GPP Quine

Bruce Ediger

GPP is the General Purpose Preprocessor, a macro preprocessor for various forms of structured and unstructured text.

A quine is a computer program which takes no input and produces a copy of its own source code as its only output. There’s usually a few conditions on what the program can do, like not reading it’s source code during execution.

I wrote what I believe to be the first non-vacuous quine ever in the GPP language.

Verifone Terminals Run Linux

Verifone Terminals Run Linux

Bruce Ediger

That’s a Verifone credit card terminal at the King Soopers #1 (13th and Speer in Denver, a.k.a. “Scary Soopers”) pharmacy, November 12, 2020.

What are all the packages?

What can we learn from this display?