AboutThis is a technology blog by Matthias Friedrich, a software developer and architect from Karlsruhe, Germany. more ...
- best practices
- build systems
- computer science
- distributed systems
- java python
- machine learning
- quick tips
Tag Archives: quality
In the old days, many Java APIs were fairly low level and pretty generic. You often had to explicitly select a concrete implementation, provide lots of parameters, and generally needed to know how things worked. This has changed in recent years – modern … Continue reading
Managing module or package dependencies is an important design activity that helps to keep a software project maintainable. Visualizing these dependencies is a good way of getting a first impression on a project and for exposing design problems. In this … Continue reading
Many integration test cases need access to external resources like files or databases. Dealing with external resources is always messy because you have to set up state and tear it down later. Since JUnit 4.7, there’s a mechanism that makes … Continue reading
One of my pet peeves in programming is that few people use guard clauses. A guard clause is an almost trivial concept that greatly improves readability. Inside a method, handle your special cases right away and return immediately.
I love unit tests and use them whenever possible. But in the end, there’s no substitute for a full scale system test. Only after system testing, you can be sure that everything works as intended. When I was looking for … Continue reading
In my projects, I’ve always been the one who took care of infrastructure, standardization and quality assurance from the development perspective. The funny thing is that I’m no admin and no QA guy, so most of it wasn’t even my … Continue reading