Author | Lightnews

Gunter Rotsaert

@mydeveloperplanet.com

320 followers 140 following 3.5K posts

Senior Systems Engineer @TriOpSys ⚡ Blogger ⚡ Musician ⚡ Belgian🇧🇪 living in Holland 🇳🇱

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Gunter Rotsaert @mydeveloperplanet.com · 5d

In October 2025, I visited Devoxx Belgium and again it was an awesome event! I learned a lot and received quite some information which I do not want to withhold from you. In this blog, you can find my takeaways of Devoxx Belgium 2025!
#java @devoxx.com

mydeveloperplanet.com/2025/10/22/t...

Top Takeaways from Devoxx Belgium 2025

In October 2025, Devoxx Belgium showcased its 22nd edition, emphasizing Java and AI advancements. Notable sessions covered AI workflows, architecture decision records, Spring Security, and updates …

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Gunter Rotsaert @mydeveloperplanet.com · 2m

In this post, you are going to explore how you can deploy a simple Spring Boot application to AWS Elastic Beanstalk.
#java #springboot #aws

How to Deploy a Spring Boot App to AWS Elastic Beanstalk

In this post, we are going to explore how we can deploy a simple Spring Boot application to AWS Elastic Beanstalk. We will explain how to setup an AWS account and provide a step-by-step guide how t…

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Gunter Rotsaert @mydeveloperplanet.com · 5h

Responsibility cannot be assigned; it can only be accepted. If someone tries to give you responsibility, only you can decide if you are responsible or if you aren't. - Kent Beck

#quotes #quoteoftheday

Gunter Rotsaert @mydeveloperplanet.com · 9h

Learn more about Clean Architecture in this blog from Uncle Bob.
https://blog.cleancoder.com/uncle-bob/2012/08/13/the-clean-architecture.html

Gunter Rotsaert @mydeveloperplanet.com · 13h

In this blog, you are going to explore how you can get started with React. React is a JavaScript library for building user interfaces.
#javascript #react

Getting Started With React

In this blog we are going to explore how we can get started with React. React is a JavaScript library for building user interfaces. We will explain how you can have a flying start with React and sh…

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Gunter Rotsaert @mydeveloperplanet.com · 17h

A collection of 50 CLI tools you won't be able to live without.

CLI tools you won't be able to live without 🔧

A list of 50 command line tools, which you should definitely check out!

dev.to

Gunter Rotsaert @mydeveloperplanet.com · 21h

In this blog, you are going to take a closer look at the Java 8 Streams API. You will mainly do so by means of examples.
#java

Java Streams By Example

In this blog, we are going to take a closer look at the Java 8 Streams API. We will mainly do so by means of examples. We will cover many operations and after reading this blog, you will have a ver…

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Gunter Rotsaert @mydeveloperplanet.com · 23h

"I often make the mistake of thinking that something that is obvious to me, is just as obvious to everyone else." - Chimamanda Ngozi Adichie, writer

#quotes #quoteoftheday

Gunter Rotsaert @mydeveloperplanet.com · 1d

Hexagonal Architecture With Spring Boot. The Practical Guide For a Spring Boot Implementation.

Hexagonal Architecture With Spring Boot | Code With Arho

Spring Boot implementation of Hexagonal Architecture to develop and test the application in isolation from external technologies.

www.arhohuttunen.com

Gunter Rotsaert @mydeveloperplanet.com · 1d

Did you ever encounter the problem that your regression test execution time has become so large, that you needed to wait for hours in order to get the results? Check out Pabot!
#java #robotframework

Parallel Testing With Robot Framework

Did you ever encounter the problem that your regression test execution time has become so large, that you needed to wait for hours in order to get the results? This is where Pabot comes to the resc…

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Gunter Rotsaert @mydeveloperplanet.com · 1d

Introducing Behaviour-Driven-Development (BDD) by Dan North
https://dannorth.net/introducing-bdd/

Gunter Rotsaert @mydeveloperplanet.com · 1d

Robot Framework supports numerous libraries which can be used. But what if you need functionality which is custom to your application? In that case, you can write your own custom library.
#java #robotframework

Create Custom Robot Framework Libraries

Robot Framework supports numerous libraries which can be used out-of-the-box. But what if we need functionality which is custom to our application? In that case, we can write our own custom library…

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Gunter Rotsaert @mydeveloperplanet.com · 1d

You are not grown until you know how to communicate, apologize, be truthful, and accept accountability without blaming someone else. - Anonymous

#quotes #quoteoftheday

Gunter Rotsaert @mydeveloperplanet.com · 1d

Victor Rentea - Unit Testing like a Pro: The Circle of Purity
https://www.youtube.com/watch?v=1Z_h55jMe-M

Gunter Rotsaert @mydeveloperplanet.com · 2d

In this post, you are going to explore how to write data driven tests with Robot Framework.
#java #robotframework

How to Write Data Driven Tests With Robot Framework

In this post, we are going to explore how to write data driven tests with Robot Framework. We will take a look at how data driven tests can be written with standard Robot Framework syntax and we wi…

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Gunter Rotsaert @mydeveloperplanet.com · 2d

a man with a beard pointing at the camera with the words " you 're absolutely right "

ALT: a man with a beard pointing at the camera with the words " you 're absolutely right "

media.tenor.com

Gunter Rotsaert @mydeveloperplanet.com · 2d

Read how semantic versioning works.

https://semver.org/

Gunter Rotsaert @mydeveloperplanet.com · 2d

Robot Framework is an open source test automation framework. Learn how to use Robot Framework and dive into the basic concepts.
#java #robotframework

Automated Acceptance Testing With Robot Framework

Robot Framework is an open source test automation framework. It is keyword driven and therefore very suitable to describe and automate acceptance tests. In this post, we will introduce Robot Framew…

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Gunter Rotsaert @mydeveloperplanet.com · 2d

The best thing about a boolean is even if you are wrong, you are only off by a bit. - Anonymous

#quotes #quoteoftheday

Gunter Rotsaert @mydeveloperplanet.com · 2d

Get really good at programming.

Exercism

Learn, practice and get world-class mentoring in over 50 languages. 100% free.

exercism.org

Gunter Rotsaert @mydeveloperplanet.com · 3d

In this post, you take a look at how you can easily manage our database migration scripts by means of Liquibase.
#java #liquibase

Easy Database Migration With Liquibase

In this post, we take a look at how we can easily manage our database migration scripts by means of Liquibase. Liquibase will automatically execute necessary database migration scripts during appli…

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Gunter Rotsaert @mydeveloperplanet.com · 3d

They Write the Right Stuff: As the 120-ton space shuttle sits surrounded by almost 4 million pounds of rocket fuel, exhaling noxious fumes, visibly impatient to defy gravity, its on-board computers take command.

https://www.fastcompany.com/28121/they-write-right-stuff

Gunter Rotsaert @mydeveloperplanet.com · 3d

It was the first thing which I thought of when I heard about the outage 😂

a man in a plaid shirt is standing in a kitchen and says " my thoughts exactly "

ALT: a man in a plaid shirt is standing in a kitchen and says " my thoughts exactly "

media.tenor.com

Gunter Rotsaert @mydeveloperplanet.com · 3d

You will learn how you can integrate the Mutation Testing Maven Plugin results with SonarQube, our favorite software analysis tool.
#java #sonarqube #softwaretesting

Mutation Testing With SonarQube

In a previous post, we explored the PIT Mutation Testing Maven plugin. This time, we will take a look how we can integrate the results with SonarQube, our favorite software analysis tool.

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Gunter Rotsaert @mydeveloperplanet.com · 3d

It doesn’t matter how fast you move if it’s in a worthless direction. - Sam Altm#quoteso#quoteofthedayeday

Gunter Rotsaert @mydeveloperplanet.com · 3d

Take a look at the mentors, there is at leat one QA engineer