Facts 10 chapters 29.29 (at the time of this writing)315 pages Chapters Building your first LLM agentWhat is an AI agent?

   My son recently came to me to brag about using AI to find our ancestors. While the results were correct, I didn’t learn anything new, as it...

   Alice calls the order service. The order service calls the ledger on her behalf. At the second hop, the ledger has to decide whose authority the...

   My current company has settled on using Gradle. It doesn’t make me very happy, but you need to learn to work with constraints. Plus, I must...

   The constraint system stops a bad call before it leaves the JVM. The Safe Codebase Audit Pipeline stops bad code before a client ever loads it. What...

   I’ve been a big fan of Renovate for a couple of years already. Renovate scans your repositories, detects outdated package versions, and opens...

   The IoT IIoT world has a data model problem and the concept of Digital Twin has made this issue more important. Plenty of people have tried to fix it...

   In Part 1, the minimal deployment showed constraints traveling with the proxy: authentication, encryption, hardened deserialization, all declared in...

   I keep coming back to java.util.ServiceLoader. I have used it to put a JSON layer behind a contract, so the core code carries no direct dependency on...

   Last year, I motorized the rolling shutters on the southern façade of my apartment. My idea was to manage them via Home Assistant. I had a couple of...

   The more distributed a system, the harder it is to secure. Code crosses JVM boundaries. Objects are serialized across trust boundaries. Third-party...

   I started as a Java developer, but for some time now, I have broadened my horizons. Recently, I thought about how early languages were dedicated to a...

   There is an evergreen debate in the Java world: should you always use BigDecimal for money? The short answer is no. The real answer is: it depends on...

   In the first post of this series, I focused on the project foundations: what should I do to create a video from photos taken from the same position...

   Before working for 2 years on the Apache APISIX API gateway, I was mainly oblivious to API gateways. It’s only by working with them that I...

   In the previous post, I described the Seasons project: a time-lapse of hundreds of pictures taken from nearly the same viewpoint over the years. The...

   I live close to nature. I regularly go for a run in the countryside. Over several years, during my runs, I’ve taken pictures from the same...

   Good engineers make decisions based on data. Most businesses assumed that the more data, the better the decision. Then, several factors put a halt to...

   I continue to experiment with AI in the context of software engineering. I’m fortunate that my team supports me in exploring different ways to...

   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...