Building an API is a Joint Venture of Tech and Business

Last Update: 09.11.2017. By Jens in APIs | API Business

APIs have gone a long way from a purely technical thing to now being a core business. Many businesses depend so much on their APIs that they would go out of business when the APIs fail. But whos responsible for building and maintaining?


Change is Inevitable - Do you Adapt or Go Extinct?

Last Update: 06.11.2017. By Jens in Developers Life | Learning

I recently stumbled upon a cartoon which made that really visually - it is a bit harsh but pretty accurate.

leaves change


To HATEOAS or not to HATEOAS?

Last Update: 17.10.2017. By Jens in APIs | Learning

Or when is a REST API a REST API? That is the question. And there is no easy answer. Let’s take a closer look.


Get Your DB Model as a Method Parameter in Your Controller

Last Update: 07.09.2017. By Jens in Spring Boot | Spring MVC | Spring Data

In your Spring MVC application, you will usually have at least one endpoint which accepts and ID as a path variable or request parameter, and often the next thing you will do is to load the model from your Spring Data repository. However, there is an easier way as you will see in a minute.


Easy Pagination With Spring Data and MVC

Last Update: 31.08.2017. By Jens in Spring Boot | Spring Data | Spring MVC

In this tutorial, I show you an easy way for handling pagination when you use Spring Data and Spring MVC in your application you might not be aware of.


What is Spring Data actually?

Last Update: 28.08.2017. By Jens in Spring Boot | Spring Data

In my Spring Boot workshop last week one of the participants asked me to clarify what Spring Data actually is. He came from a different background and was confused how Spring Data, JPA, Hibernate and NoSQL relate and what role Spring Data plays. Indeed, if you switch contexts, it may look strange at first. However, it is not, and I write today the same I answered in the workshop.


How to Use Basic Auditing with Spring Data

Last Update: 03.08.2017. By Jens in Spring Boot | Spring Data

One of the many things Spring Data offers is a basic auditing functionality. It is great if you only need to track who made changes to your model and when. So, let’s stop the talking and dive into it.


How to Use MongoDB with Spring Boot and Spring Data

Last Update: 02.08.2017. By Jens in Spring Boot | Spring Data

Working with Spring Data has the huge benefit that you work with a common interface regardless of the underlying storage medium. Yet, it’s still transparent enough. In today’s tutorial, we will use it with a MongoDB.


Expose Your Spring Data Repositories as a REST API

Last Update: 01.08.2017. By Jens in Spring Boot | Spring Data

There’s an easy way to build a REST API for your Spring Data repositories instantly. It doesn’t matter if you are using JPA, MongoDB or any of the other stores available with Spring Data. Spring Data REST is the little helper. In this tutorial, we will take a closer look at how you can use it.


Review: Python Hunting Book

Last Update: 28.07.2017. By Jens in Developers Life | Learning | python | pygame

I recently stumbled up on a book about game programming with PyGame for beginners. Even I am not the target audience it did catch my attention and my desire to play a bit again with game development and Python. And I had a fantastic time so far :-)