Tutorials

302 articles in this category.

We explore image generation with Quarkus and OpenAI using the new REST Client Reactive to invoke the OpenAI DALL.E API.

A brief introduction with code to mutation testing using Pitest. Now you too can get started testing your tests!

Aug 14, 2023 Shai Almog

"It works on my machine" is not an excuse. Sometimes we have bugs that we can't reproduce or understand. How do we investigate these bugs?

IntelliJ IDEA supports working with GitLab Merge Requests. See Merge Requests, perform code reviews and merge them from inside IntelliJ …

Sealed classes and interfaces with pattern matching provide powerful new tools for more explicit, controlled, and flexible design in Java.

Aug 7, 2023 Sumith Puri

Learn how to configure Kafka topics and create a Java-based Kafka Consumer and Producer, withApache Kafka v3.4 on Windows 10.

In this tutorial, I want to show you how you can read the temperature, humidity, and pressure from a BME280 Sensor.

Jul 29, 2023 Sumith Puri

Part one of a two part series on Running Apache Kafka Server, Configuring Kafka Topics, and Creating a Kafka Consumer and Kafka Producer.

Jul 21, 2023 Shai Almog

Applications fail, that's inevitable. Testing, QA, CI and defensive programming can make this a rare occurrence, but can't eliminate …

Let's take a look at contributing to Open Source Software, specifically how to create an open source pull request (PR).