Zlatko Čajić

@zlat.co

software engineer, cyclist, traveller

Bordeaux has long been a happy hunting ground for sprinters. This is the 1936 Tour, Pau to Bordeaux, René le Grevès (France Ouest) getting the better of Éloi Meulenberg (Belgium). #TdF2026

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Weizenbaum was an MIT computer scientist who built one of the first chatbots, ELIZA. He wrote the book out of a growing sense of horror as he saw how “extremely short exposures to a relatively simple computer program could induce powerful delusional thinking in quite normal people” ...

Golo Roden making a sharp case at #EventModeling Conference 2026 (Munich): your domain model belongs in version control, next to the code - not stranded in a drawing tool. Enter ESDM: event-sourced domains as YAML you can lint, diff & review like any other file.

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"Event Sourcing for the other 95%" - Allard Buijze opening Day 2 of #EventModeling Conference 2026 in Munich. His point: this isn't reserved for a small circle of experts. The techniques are within reach for everyday developers. Q&A below.

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When reality surpasses fiction! Top: fictional forecast for August 2050, broadcast by French TV in 2014 to warn about the consequences of global warming. Bottom: Real French forecast for yesterday, June 22, 2026.

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Every large company that’s mandated AI adoption now has this problem. The good engineers are 5x more productive with AI while underperformers are now even worse and delivering 0.5x their previous impact while making their coworkers miserable from dealing with AI slop. It’s the era of Sloppenheimer

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What a surprise ….. “Is AI ruining our skills? Early results are in — and they’re not good Reliance on artificial-intelligence tools degrades the abilities of physicians and software engineers, studies show.” www.nature.com/articles/d41...

Is AI ruining our skills? Early results are in — and they’re not good

Reliance on artificial-intelligence tools degrades the abilities of physicians and software engineers, studies show.

nature.com

After two days with Claude Fable 5 the best way I can describe it is "relentlessly proactive" - here's an example where I dropped in a screenshot of a bug and it span up custom CORS Python servers and used pyobjc-framework-Quartz to capture screenshots simonwillison.net/2026/Jun/11/...

Claude Fable is relentlessly proactive

After two days of experience with Claude Fable 5 I think the best way to describe it is relentlessly proactive. It knows a whole lot of tricks and it will …

simonwillison.net

LLMs are no longer created w/ human data alone. They rely on other models to generate & filter data, evaluate outputs, & guide dev work. So what is a modern LLM built on? Olmo 3 → 89 model + 183 dataset dependencies; Nemotron 3 → 273 + 560 We made ModSleuth to trace this. 🧵

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