I noticed some time ago that three Mastodon features had stopped working on my blog. Each of them seemed like a separate problem, but they had the...

   A couple of years ago, I wrote that The Builder pattern is a finite state machine . A state machine consists of states and transitions between them....

   Last month, I became aware of GitHub agentic workflows. I read the site carefully, but the use cases weren’t very exciting to me. I tried the...

   I like to analyze codebases I start working on, or that I left for months. I ask my coding assistant, case in point, Copilot CLI: ’analyze the...

   Leading your organization to use OpenTelemetry is a challenge. In addition to all the usual project hurdles, you’ll face one of these two...

   I don’t think it’s necessary to introduce Gregor Hohpe. I’m a big fan, having read Enterprise Integration Patterns, and I’ve...

   Most developers now use coding assistants. I do too Copilot at work, Claude Code at home. As a developer, I prefer not to repeat myself. This post...

   As I age, I become increasingly cautious about my privacy. The slope the world is sliding on is also a big, unfortunate incentive. I have been eying...

   vCluster is a solution for creating virtual clusters within a host Kubernetes cluster. Virtual clusters are a Kubernetes concept that enables...

   For as long as I have been coding in Java, we have had requirements to measure the execution time of blocks of code. While the current good practice...

   Most of my blog posts are lessons learned. I’m trying to achieve something, and I document the process I used to do it. This one is one of the...

   When you think of Java modularity, chances are your first thoughts land on JPMS, or perhaps on Spring’s flexible configuration model. For those who ...

   I got a lot of interesting feedback on Checked exceptions and lambdas. Let’s start with my own: after writing the post, I realized I had...

   A couple of years ago, I developed a small Kotlin GUI to help me rename my files in batch. I actually created it with different JVM frameworks to...

   Java’s checked exceptions were a massive improvement over C’s error-handling mechanism. As time passed and experience accumulated, we...

   I have spent some time last year implementing Cloudflare Tunnels on my Home Assistant and my Synology NAS. On Mastodon, I had not one but two...

   From the beginning, the focus of this blog has been technical, very rarely organizational. I broke this unwritten rule once in 2015. I began writing...

   I have been eyeing the YOW conferences for probably more than a decade. They occur in Australia, and feature top industry experts. I was thus...

   One of the most important concepts to master in Rust is ownership and borrowing. Tons and tons of articles are solely dedicated to this narrow...

   I decided to stop using Twitter, but for my own content and supporting Ukraine against its barbarian invaders, I understood the contemporary media...