OPC UA is an industry standard for machine-to-machine communication extensible enough to run in enterprise cloud platforms.

Elemental terms and core concepts of OPC UA with all of the important details crunched for beginners and intermediate practitioners.

Understanding LoRa/LoRaWAN data rates and spreading factors without a degree in electrical engineering.

Let's build domain-oriented custom components with Spring Boot starters, auto-configuration and configuration properties. Updated to Spring Boot 2.7.0!

Object-oriented programming has been around for decades and has done a great deal for software development. So why do people keep complaining about it?

ORM is a good servant but a bad master. The object-relational impedance mismatch is still there and as dangerous as ever.

How to publish events transactionally with RabbitMQ and Spring’s ApplicationEventPublisher.

Object-oriented programming might not be perfect but it is still the best we have.

Let’s talk about the underlying technology that enables containers under Linux, and build a container from scratch!

Container images are just tarballs with a bit of configuration. Dockerfiles are just one option to create them.