Coding Relic

Random musings on software in an embedded world.

Friday, September 26, 2025

On the Nature of Microservices

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Microservices entered the lexicon of systems engineering a number of years ago, breaking up a system which might once have been delivered ...
Thursday, September 25, 2025

Try Turning the Train Off and Back On

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Today I rode the Bay Area Rapid Transit train from the peninsula up to San Francisco. Our stop at the 24th and Mission station was unusua...
Sunday, September 21, 2025

One Year of Electrified Caltrain

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In November 2020 California voters passed Measure RR to fund electrification of Caltrain down the San Francisco Peninsula. After several ...
Monday, September 15, 2025

Android Signal Keyboard Privacy

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Android keyboards can be quite sophisticated, including learning of commonly used words or languages. Some of these result in uploading what...
Wednesday, September 10, 2025

Continuous Improvement in LLM Code Generation

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One week ago, I wrote: "I wish wish wish that Claude Code would automatically populate a .gitignore for node_modules. Not for the fir...
Tuesday, September 9, 2025

Passport Cards as Proof of Citizenship

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In November 2024 we ordered Passport Cards for the first time. The cards arrived 18 days after we mailed in the forms, without paying fo...
Monday, September 8, 2025

Konsulatstermine für Reisepässe

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Upon acceptance of a Staatsangehörigkeit § 5 declaration, making one a German citizen, the next step is generally to order a German passp...
Tuesday, September 2, 2025

LLMs to Blaze a Trail

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As an engineering executive there are a few ideas and practices which I reinforce via repetition to the team, either explicitly at the start...
Monday, September 1, 2025

On the Persistence of Human Memory

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Tell me this looks wrong to you, too. Claude Code doesn't see it. I mean, of course Claude Code doesn't see it, it has no eyes...
Monday, August 25, 2025

Claude Code's 19 cent Parser

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A brief prompt: In authheader.go write a function to parse a SIP WWW-Authenticate header for Digest authentication. It should return a ma...
Monday, August 18, 2025

Training Gemma3-270m for German Q-and-A

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Google recently introduced Gemma3-270M, a smaller Gemma3 model with "only" 270 million parameters instead of billions. The most...
Sunday, August 17, 2025

Iceland Carbfix Tour

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In July 2025 we took a tour of the Geothermal Exhibition at Hellisheiðarvirkjun in Iceland , all about Geothermal power. My spouse is a Prof...
Saturday, August 16, 2025

Survey of Germany-related blog posts

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My spouse's German mother emigrated to the United States in 1958. Until 1975, German mothers did not pass on citizenship to children bor...
Monday, August 11, 2025

High School German with UCScout On Demand

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I've written about our journey to German citizenship for my wife and our children . Yet merely having a German passport, Passdeutsche, ...
Monday, August 4, 2025

Germany trip 7.2025

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Reprising last year's trip , we spent another July in Europe this year. One somewhat less pleasant aspect of last year's trip was ...
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