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Michael Simons

@rotnroll666.bsky.social

1.9K followers 280 following 860 posts

👨‍👩‍👦‍👦👨🏻‍💻🚴🏻 – Father, Husband, Developer, Athlete. Author of Spring Boot Buch, and DuckDB in Action with Manning. Java champion working at Neo4j on various integrations within the JVM ecosystem. More: https://michael-simons.eu

michael-simons.eu

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Reposted by Michael Simons

Cowtown Coder @cowtowncoder.bsky.social · 14h

I blogged again: cowtowncoder.medium.com/jackson-3-0-...

Jackson 3.0.0 (GA) released

(October 3, 2025)

cowtowncoder.medium.com

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Michael Simons @rotnroll666.bsky.social · 23h

Very welcome, thank you!

Michael Simons @rotnroll666.bsky.social · 1d

Writing Friday: On #JEP506, #ScopedValues

What are they and how can they be used?

michael-simons.eu/p/JEP506_wha...

#Java #Java25 #JEP

JEP 506: What are Scoped Values and how can they be used?

michael-simons.eu

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Michael Simons @rotnroll666.bsky.social · 7d

Great thread u found there. I do agree with every point.

Reposted by Michael Simons

Small Robots @smolrobots.bsky.social · 7d

You build parks and town squares and things because, ultimately, people are going to want to congregate and just hang out, so you might as well give them a pleasant place in which to do it. Otherwise they just sit around wherever.

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Reposted by Michael Simons

Markus Eisele @myfear.com · 7d

Data is the hardest part of enterprise apps.
Quarkus makes it easier.

A journey from filtering to migrations, told as building a house
buff.ly/G0l1jVL

#Java #Quarkus #Persistence #EnterpriseSoftware #Developers

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Michael Simons @rotnroll666.bsky.social · 7d

Likewise! I post a lot more things to mastodon though. Same handle.

I’m on the process removing my projects from GitHub and rather pay codeberg a donation.

Michael Simons @rotnroll666.bsky.social · 7d

Fantastic Gunnar. I’m very happy for for that. Congratulations 👏

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Michael Simons @rotnroll666.bsky.social · 7d

TIL! That tool looks interesting on its own. Will have a look!

Michael Simons @rotnroll666.bsky.social · 8d

Exactly! <3

Michael Simons @rotnroll666.bsky.social · 8d

im happy with the release plugin for all my private fun projects; and even for all work related things it was easy enough to make our ci use that proper. But that’s for libraries, I guess it’s harder in the CD part of CI/CD for applications and there revision / flatten will shine.

Michael Simons @rotnroll666.bsky.social · 8d

@gunnarmorling.dev see shoutout in the readme. 🙏

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Michael Simons @rotnroll666.bsky.social · 8d

Hah! I hate that with a passion, sorry. Tried it in a couple of places and I was not happy.

Michael Simons @rotnroll666.bsky.social · 8d

Announcing new-java-project… My Maven / Java best practices that helped me over the last couple of years and that I don't want to copy & paste anymore distilled into a Maven archetype:

codeberg.org/michael-simo...

#Java #Maven #Archetype

new-java-project

This is a Maven Archetype for creating new Maven based Java projects with a set of opinionated plugins and a fully configured source formatter.

codeberg.org

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Michael Simons @rotnroll666.bsky.social · 9d

OG Antifa.

Jim Webber @jimwebber.org · 9d

No Pasaran.

Memorial to the British and Irish members of the International Brigade.

Inscription for the London International Brigade memorial.

Michael Simons @rotnroll666.bsky.social · 9d

Mark be like: "Hey nice, I got rid of a spare-time-project."

Also Mark: "Hey, I have that older one laying around, let's pick it up again."

;)

Reposted by Michael Simons

Stéphane Nicoll @snicoll.be · 9d

Please don’t use AI to write PR descriptions.
They add noise, not clarity.

A few honest sentences in your own words > a generic wall of text. Code quality speaks loudest.

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Reposted by Michael Simons

Sébastien Deleuze @seb.deleuze.fr · 11d

Highly-recommended reading: The state of HTTP clients in Spring by Brian Clozel spring.io/blog/2025/09...

« This is also a good time to reflect on the state of HTTP clients in Spring, so we will use this opportunity to explain an important announcement: we are officially deprecating RestTemplate. »

The state of HTTP clients in Spring

Level up your Java code and explore what Spring can do for you.

spring.io

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Michael Simons @rotnroll666.bsky.social · 11d

Related news insiderph.com/accenture-jo...

Accenture job cuts hit 22,000 in 2025 as firm targets $1B in savings, rebound seen in 2026

Accenture, one of the world’s largest IT outsourcing firms, is pressing ahead with sweeping layoffs under a global restructuring program, with job cuts this year reaching nearly 22,000.

insiderph.com

Reposted by Michael Simons

Angelos Arnis 🏴‍☠️ @arn.is · 13d

Here's a hypothesis: AI exists to make your job obsolete because the alternative is that AI makes managers obsolete.

AI could easily replace most management tasks: engagement metrics, OKRs, performance reviews, agile methods, innovation labs... You get it. Bullshit jobs as Graeber would say.

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Michael Simons @rotnroll666.bsky.social · 12d

It's also a quote from Battlerstar Galactica, when they released the cyclic nature of the conflicts between Machines and Humans.

Original however is actually from Peter Pan.

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Michael Simons @rotnroll666.bsky.social · 12d

All of this has happened before and will happen again.

Reposted by Michael Simons

Sonja Drimmer @sonjadrimmer.bsky.social · 13d

“AI” isn’t a tool or technology or even a cluster of technologies with a misleading name. It’s the infrastructure at the foundation of a form of capitalism dependent on data brokering. We should be teaching our students about this and not teaching them about “responsible” use.

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Reposted by Michael Simons

Todd Ginsberg @todd.ginsberg.com · 13d

📢 Gatherers4j v0.12.0 is out!

- Now built with #Java 25
- Support for modules
- Parallelization now supported in UniquelyOccurringGatherer
- Several internal organizational and testing changes

github.com/tginsberg/ga...

Release Release v0.12.0 · tginsberg/gatherers4j

Changes Move Java version to 25 (was 24) Addresses #164 Support Java Modularization. Addresses #156, thanks @Goldmensch! Support parallelization in UniquelyOccurringGatherer Using in Maven <depen...

github.com

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Reposted by Michael Simons

Santiago Saavedra @ssaavedra.eu · 14d

After trying @duckdb.org with terabytes of parquet I'm hardly going back for data exploration to anything else. Hell, I'm now spawning DuckDB for analyzing even .csv and .json files due to how ergonomic its SQL is.

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