Published: 6. August 2025 • java, go, mqtt
This article provides an overview of the MQTT protocol, its basic features, and how to use it in Go and Java applications. It covers topics such as publish/subscribe model, message payloads, topics, quality of service (QoS), retained messages, persistent sessions, and more.
Published: 2. August 2025 • java
In this blog post, I will introduce you to Methanol, a library that extends the standard Java HTTP client to make it more convenient to use. Methanol also introduces new features like caching and interceptors.
Published: 31. July 2025 • go
In this blog post we are going to explore the slices and maps packages from the Go standard library. The two packages provide useful and convenient methods to work with slices and maps.
Published: 30. July 2025 • java, mongodb
How to use MongoDB schema validation in Java applications to ensure data integrity and consistency.
Published: 29. July 2025 • java
Xodus is a high-performance, embedded database developed by JetBrains. In this blog post we will explore the key features of Xodus and how to use them in Java.
Published: 28. July 2025 • java, spring
Take a look at the caching support in Spring Boot, including setup, pitfalls, key generation, and advanced configuration options.
Published: 25. July 2025 • go, aws
This article shows how to list a large number of objects in an S3 bucket in a fast way. Using the prefix parameter in the list object request allows an application to start multiple goroutines and call the list object endpoint in parallel.
Published: 23. July 2025 • spring, llm
Implementing a traditional RAG (Retrieval Augmented Generation) system using Spring AI.
Published: 21. July 2025 • javascript
Learn how to use MapTiler's JavaScript SDK to display maps and markers in your web application, including clustering and popups.
Published: 21. July 2025 • java
In this blog post, I will show you how to integrate JaVers into a jOOQ/Spring Boot application for auditing of object changes.
Published: 20. July 2025 • angular, ionic, pocketbase
This blog post shows how to deploy a JavaScript application with PocketBase as the backend on a Debian 12 server.
Published: 20. July 2025 • angular, ionic, pocketbase
This blog post shows how to develop a simple Ionic/Angular application with PocketBase as the backend.
Published: 17. July 2025 • go, bluesky
Learn how to create a Reply Bot for Bluesky using Go that replies to mentions with AI-generated responses.
Published: 16. July 2025 • iac
This blog post shows you how to use Pulumi to provision resources on Hetzner Cloud. The example provisions a VPS and installs Wireguard on it with the help of cloud-init.
Published: 16. July 2025 • java, spring
How to use ShedLock to prevent concurrent execution of scheduled methods in a Spring Boot application.
Published: 23. February 2025 • go, bluesky
In this blog post, I will show you how to write programs in Go that post to Bluesky.
Published: 29. January 2025 • java, spring, llm
A look at Spring AI's support for Tool/Function calling. How to write your own tools and integrate them into your Spring AI application.
Published: 19. January 2025 • ionic, angular, llm
Running the Moonshine model, a speech recognition model, in the browser with Transformers.js. The demo application is a snake game controlled by voice commands.
Published: 17. January 2025 • go, angular
In this blog post, I will show you how to implement WebAuthn authentication with Bitwarden Passwordless.dev, a SaaS solution that provides WebAuthn authentication as a service.
Published: 17. January 2025 • go, llm
In this article, I will show you how to write a Go program that generates Go code with the help of a large language model (LLM) and run this generated code in a Docker container.