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The Main Thread

Markus Eisele

Following the thread through Java, AI, and software architecture.

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Latest Issues

Quarkus Already Does That: 7 More Features Worth Knowing

Y’all liked my first hidden Quarkus features article apparently. I followed it with another collection around Quarkus 3.31 and 3.32, and, well, I had enough left for another article. When I went back through what I’ve already covered here,...

3 days ago
3

AI Context Windows: Comparing the Cost of an Accepted Coding Result

I see two things coming up regularly in our internal IBM Bob Slack channel. People want a larger context window, and people are surprised how expensive their conversations become. Well, both make sense when you look at what the agent sends...

5 days ago
1

Quarkus Ecosystem Growth: Extensions, Maintenance, and LTS

I wanted to look at how Quarkus has changed over the last seven years. Here on The Main Thread, I usually write about one part of it: how to configure an application, test a service, or connect to another system. When you follow these thing...

5 days ago
2

AI UI Design Prompts: Describe the Interface You Want

I want more say in how a coding model designs an interface. “Clean and modern” leaves plenty of room for interpretation, so I wanted to explore what happens when I describe the look more closely. I started with a familiar screen: a test-res...

7 days ago
7

Qute and HTMX: Test Keyboard Access Through Form Submission

I’m returning to the little Java UIs I’ve been building here, this time using just the keyboard. I enter something wrong, the page asks me to fix it, and I have to find my place again. Getting from that error to a completed request takes me...

9 days ago
4

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  • Markus Eisele

    I’ve spent 20+ years helping Java systems adapt without breaking. Here I share the architecture, tools, and thinking behind that work. Java Champion · Developer · IBM Research.

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