Parsing Arguments in Commandline Applications with Spring Boot

28.08.2018 by Jens in Spring Boot

In Commandline Applications with Spring Boot we also implemented a command line app using the CommandLineRunner interface provided by Spring. However, argument/options/parameter handling is not that good with it. Luckily, there is an even better method of writing a command line app with Spring Boot and also have good options parsing with the ApplicationRunner interface.


The Difference Between @Bean and @Component and When to Use What?

27.08.2018 by Jens in Spring Boot

A question that almost always comes up in my training. So, it is time to answer it for anyone and not only in-class.


Getting Started with Feign Client in Spring

22.08.2018 by Jens in Spring Boot

In this tutorial, we will make our first remote call using the FeignClient lib in Spring Boot. We will use the Spring Cloud integration instead of manually creating the client.


How to Relax for Developers

20.08.2018 by Jens in Developers Life | Newsletter

Sitting all day in front of a screen, iterating over thinking, typing out code and debugging it, is tough. This alone will exhaust you sooner than later. Now add those meetings and even office politics and you will be brain dead at the end of a working day.


Programming sucks, I quit

15.08.2018 by Jens in Developers Life | Learning | Newsletter

Sick of deadlines? Sick of project managers, boss, customers or whatever? Coding was once a dream of yours and now it drags you down. Each time you even think about it? Dreading Mondays? Thinking, why am I doing this shit?


Devs are like moths...

14.08.2018 by Jens in Developers Life | Learning | Newsletter

Somehow complexity attracts devs like light attracts moths. They can’t resist, we can’t resist.


Don't neglect the basics

13.08.2018 by Jens in Developers Life | Learning | Newsletter

I was giving a Spring Boot training last week and during the course, I made some observations, which I like to share with you over this week.


Nothing runs as planned and why you should have a plan anyways

06.08.2018 by Jens in Developers Life | Learning | Newsletter

Plans never work out.


How to implement custom parameter mapping in Spring MVC

06.08.2018 by codeboje in Spring MVC | Spring Boot

In this tutorial, we will discuss HandlerMethodArgumentResolver which is being used to resolve the arguments of the public MVC methods (handler methods). To understand this feature in depth, we will look at different out of the box method argument resolvers and how we can a write custom argument resolver. We will take an example of resolving the hostname (domain) of the server.


Passion clouds rational

18.07.2018 by Jens in Developers Life | Learning | Newsletter

Let’s take the neverending discussion of testing vs no testing.