There are situations when we must know the exact version of our web application that is deployed to a remote server. For example, a customer might want to know if we have already deployed a bug fix to the server X. We can, of course, try to find an answer to that question by using […] Read more

If we need to figure out the runtime configuration of a Spring web application that is deployed to a remote server, we need to the read the properties file found from the remote server. This is cumbersome. Luckily, there is a better way. This blog post describes how we can Write the runtime configuration to […] Read more

We have learned that "clean" unit tests might not be as clean as we think. We have done our best to make our unit tests as clean as possible. Our tests are formatted properly, use domain-specific language, and avoid excessive mocking. Nevertheless, our unit tests are not clean because: When we make changes to the […] Read more

Spring Framework has a good support for injecting property values found from properties files into bean or @Configuration classes. However, if we inject individual property values into these classes, we will face some problems. This blog post identifies these problems and describes how we can solve them. Let’s get started. If you use Spring Boot, […] Read more

If our code has obvious faults, we are very motivated to improve it. However, at some point we decide that our code is "good enough" and move on. Typically this happens when we think that the benefits of improving our existing code are smaller than the required work. Of course, if we underestimate our return […] Read more