frank@webtechie: ~
$ whoami
Frank Delporte | Java Champion | Technical Writer | Open-Source Enthusiast
$ cat ./focus.txt
Java on Raspberry Pi · JavaFX desktop UIs · RISC-V single-board computers · JVM internals.
$ ls ./topics/
260+
Posts
300+
Videos
100+
Podcasts
60+
Presentations
5+
Open Source Projects

//recent posts

all posts →
From breadboard chaos to a real PCB: designing the Pi4J smoke test board
Jun 25, 2026 · 7 min
From breadboard chaos to a real PCB: designing the Pi4J smoke test board

Testing a Java I/O library properly means testing it on real hardware. No mocks, no stubs, just actual pins doing actual things. …

#pi4j#electronics#javaonraspberrypi
JavaFX In Action #27 with David Gutierrez about JMathAnim to Create Mathematical Animations
Jun 25, 2026 · 4 min
JavaFX In Action #27 with David Gutierrez about JMathAnim to Create Mathematical Animations

The JFX Central Links Of The Week is a great source to discover what is happening in the JavaFX world. One of the projects that …

#javafx#jfx-central#jfx-in-action
A Fresh Design for webtechie.be
Jun 17, 2026 · 3 min
A Fresh Design for webtechie.be

This website grew over many years into more than 260 posts, 220 videos, 100 podcasts, and 60 presentations. The old design buried …

#writing
Lottie4J Meets LottieFiles: A Conversation with Naail Abdul Rahman
Jun 4, 2026 · 4 min
Lottie4J Meets LottieFiles: A Conversation with Naail Abdul Rahman

Lottie animations run on Android, iOS, and the web. Getting them working on the JVM is a different story. Lottie4J started as a …

#lottie4j#javafx#java
JavaFX Links of May 2026
May 29, 2026 · 8 min
JavaFX Links of May 2026

Here are the JavaFX LinksOfTheMonth of May 2026. You can find the weekly lists on jfx-central.com . Did we miss anything? Is there …

#javafx#linksofthemonth#jfx-central
JavaFX Links of April 2026
Apr 24, 2026 · 8 min
JavaFX Links of April 2026

Here are the JavaFX LinksOfTheMonth of April 2026. You can find the weekly lists on jfx-central.com . Did we miss anything? Is …

#javafx#linksofthemonth#jfx-central
Links from the JCON talk 'Foreign Function & Memory (FFM) API on Raspberry Pi'
Apr 22, 2026 · 2 min
Links from the JCON talk 'Foreign Function & Memory (FFM) API on Raspberry Pi'

These are the links from the JCON talk in Cologne, Germany, on April 22, 2026: “The Wait is Over: Foreign Function & …

#java#javaonraspberrypi#pi4j
Debugging BentoFX in MelodyMatrix with Matt Coley, Scenic View, and an Honest Look at AI-Generated Code
Apr 21, 2026 · 4 min
Debugging BentoFX in MelodyMatrix with Matt Coley, Scenic View, and an Honest Look at AI-Generated Code

There are bugs you can solve by yourself, and bugs where you just need to sit down with someone who knows the internals. This …

#javafx#melodymatrix#interview
Testing Lottie4J JavaFX Animations in GitHub Actions Without a Display: JavaFX 26 Headless to the Rescue
Apr 20, 2026 · 6 min
Testing Lottie4J JavaFX Animations in GitHub Actions Without a Display: JavaFX 26 Headless to the Rescue

When I released Lottie4J 1.1.0 , I mentioned something a bit embarrassing in the release notes and this blog post : there was a …

#javafx#lottie4j

//recent podcasts

all podcasts →
Foojay Podcast #99: Testing the Untestable, LLM Security for Java Developers with Tiberius
Jun 22, 2026 · 2 min
Foojay Podcast #99: Testing the Untestable, LLM Security for Java Developers with Tiberius

Unit testing assumes that the same input gives the same output. Large language models break that assumption on purpose, which …

#podcast#foojay#java
Foojay Podcast #98: The End of JNI Pain, How WebAssembly Is Quietly Replacing Native Libraries in Java
Jun 15, 2026 · 2 min
Foojay Podcast #98: The End of JNI Pain, How WebAssembly Is Quietly Replacing Native Libraries in Java

JNI has been the standard answer for calling native code from Java for almost three decades. It also brings most of the headaches …

#podcast#foojay#java
Foojay Podcast #97: From Scripting Language to AI Powerhouse with BoxLang
Jun 1, 2026 · 2 min
Foojay Podcast #97: From Scripting Language to AI Powerhouse with BoxLang

If you write Java day to day, the AI tooling conversation often defaults to Python. BoxLang takes a different route. It runs on …

#foojay#podcast#java
Foojay Podcast #96: Local AWS Development Without LocalStack: Meet Floci, the GraalVM-Powered Alternative
May 25, 2026 · 2 min
Foojay Podcast #96: Local AWS Development Without LocalStack: Meet Floci, the GraalVM-Powered Alternative

Running AWS services on your laptop usually means waiting for a heavy emulator to boot, watching memory fill up, and hoping the …

#podcast#foojay#java
Is Your Java App Actually Secure, Or Does It Just Look That Way?
May 11, 2026 · 1 min
Is Your Java App Actually Secure, Or Does It Just Look That Way?

Your Java app passes the build, the tests are green, and the dashboard looks fine. But are the libraries underneath still …

#podcast#foojay#java
Foojay Podcast #94: More Than a Blog: How Foojay Connects, Sustains, and Evolves the Java Community
May 4, 2026 · 1 min
Foojay Podcast #94: More Than a Blog: How Foojay Connects, Sustains, and Evolves the Java Community

What keeps a developer community alive after six years, and what does it take to stay relevant while AI reshapes how we write …

#podcast#foojay#java

//most popular tags

all tags →