Privacy for subdomains: the problem
I recently learned about a new way to leak your privacy, and it's a scary one. Before going further, know that I'm not a network engineer: …
Nicolas Frankel
255 articles
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KCDC 2025
When I first started attending conferences, I diligently tried to write down notes and publish them. It forced me to actively listen to the …
Thoughts on object creation
Creational patterns were first described in the famous Gang of Four's Design Patterns. The book presents each pattern in a dedicated chapter …
GitHub workflows tips and tricks
I recently developed a new workflow, and it prompted me to write this post. Feel free to add your own.
Git default options
In this post, we describe the default of two of the most common Git commands. I hope it sheds some light on them.
OpenTelemetry configuration gotchas
Operators of OpenTelemetry can't treat services as black boxes. They must consider the underlying stack and framework, and learn how to …
OpenTelemetry Tracing on the JVM
You may know I'm a big fan of OpenTelemetry. I recently finished developing a master class for the YOW! conference at the end of the year. …
Pattern-matching across different languages
With destructuring, pattern matching is a huge help to developers who want to write readable and maintainable code.
Loosely coupled configuration for Home Assistant
This post will be short, but I hope it prove to be useful. My home is getting more and more connected, and the number of my automations …
Testing an OpenRewrite Recipe
Let's migrate ad hoc test code to rely on OpenRewrite's provided classes.