In this video, I look into installing and enabling orchestration using cephadm. Then I will perform an automatic upgrade with … More
Category: Tips
Talking about lambda functions in java using example
We look into lambda functions in java using example code and understand what functions could help you with. Java has … More
Writing a custom log4j appender in java, using RabbitMQ
We look into writing a custom log4j appender in java and how to send you to log messages with an … More
Looking at logrotate in debian and timers in general.
We look into logrotate on Debian and figure out how timers actually work with a system with cron installed and … More
Looking into java service provider interface (SPI). Learning by example.
I took a look at the service provider interface in java. This is a needed interface to build simple services … More
How to create a video in java
In this tutorial, I go through how to create a video in java. Using the framework Xuggle we can create … More
A quick tutorial on using JSON-simple parsing JSON documents in java
This simple tutorial will show you how to parse JSON in java using JSON-simple from Google. JSON-simple is a bit … More
Looking into Apache Common CLI
I write a lot of small java applications and need a good command line interpreter. Apache Common CLI helps me … More
Validation using schematron in java by example
We write a simple example in java to run a validation using Schematron. The framework Schematron is a way to … More
Back to the basics – Java By Example (Invoice)
In this video, I get back to the basics and show you how to use the code from my series … More