A Java Geek

Nicolas Fränkel

Nicolas Fränkel

101 followers

🥑 Developer Advocate for Apache APISIX ✍️ Blogger at http://blog.frankel.ch 🎓 Learner 📖 Author of https://leanpub.com/integrationtest

A short history of AJAX and SSR

Sep 12, 20245 min read

My journey in programming began over two decades ago, a time when JavaScript was a far cry from its current state, and developers were primarily...

A short history of AJAX and SSR

Kotlin Coroutines and OpenTelemetry tracing

Aug 22, 20244 min read

I recently compared three OpenTelemetry approaches on the JVM: Java Agent v1, v2, and Micrometer. I used Kotlin and coroutines without overthinking. I...

Kotlin Coroutines and OpenTelemetry tracing

Default map value

Aug 15, 20245 min read

In this post, I'll explain how to provide a default value when querying an absent key in a hash map in different programming languages. Java Let's...

Default map value

OpenTelemetry Tracing on Spring Boot, Java Agent vs. Micrometer Tracing

Aug 8, 20246 min read

My demo of OpenTelemetry Tracing features two Spring Boot components. One uses the Java agent, and I noticed a different behavior when I recently...

OpenTelemetry Tracing on Spring Boot, Java Agent vs. Micrometer Tracing

Dynamic watermarking on the JVM

Jul 4, 20243 min read

Displaying images on your website makes for an interesting problem: on one side, you want to make them publicly available; on the other, you want to...

Dynamic watermarking on the JVM

Renovate for everything

Jun 27, 20241 min read

In my earlier post about moving from Kotlin Scripting to Python, I mentioned several reasons: Separating the content from the script Kotlin...

Renovate for everything