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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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Michael Simons @rotnroll666.bsky.social · 2h

Thanks ofc for sharing that blog post into my TL. Much appreciated.

Michael Simons @rotnroll666.bsky.social · 2h

Python and some quite simple JavaScript:

biking.michael-simons.eu/explorer/

Explorer | Running free: A developers sport site

biking.michael-simons.eu

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Michael Simons @rotnroll666.bsky.social · 3h

Nice how it touches on the Tower of Babel like stack, i.e. one could also just have a look what React solves compared with what a web app actually needs; and how React would compare to native of old.

Could go into detail how I think that parts of these stacks has always been a fight on class,too.

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Michael Simons @rotnroll666.bsky.social · 3h

Na danke.

Das geht jetzt wieder den Tag nicht weg.

Michael Simons @rotnroll666.bsky.social · 7h

#Neo4j #embedded on #Java 25 and I find that #GoL actually quite relaxing…

gist.github.com/michael-simo...

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Reposted by Michael Simons

Lars Rosenquist @calvobianco.com · 2d

Folks saying: "With a coding assistant I can finally focus and design and specs. This makes me x more productive."

Serious question: How were they not doing that before? They just jumped into IDE without doing any design whatsoever? Whacking code together they gobbled from SO and hope for the best?

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Reposted by Michael Simons

Cowtown Coder @cowtowncoder.bsky.social · 4d

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 · 5d

Very welcome, thank you!

Michael Simons @rotnroll666.bsky.social · 5d

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 · 11d

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

Reposted by Michael Simons

Small Robots @smolrobots.bsky.social · 11d

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 · 11d

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 · 11d

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 · 11d

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

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Michael Simons @rotnroll666.bsky.social · 11d

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

Michael Simons @rotnroll666.bsky.social · 12d

Exactly! <3

Michael Simons @rotnroll666.bsky.social · 12d

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 · 12d

@gunnarmorling.dev see shoutout in the readme. 🙏

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Michael Simons @rotnroll666.bsky.social · 12d

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 · 13d

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 · 13d

OG Antifa.

Jim Webber @jimwebber.org · 13d

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 · 13d

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 · 13d

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 · 15d

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 · 15d

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