Test-Driven Refactoring
Recently, I stumbled over the following code: public boolean someMethod() { List<String> list = getSomethingFromDatabase(); // something is d...
Minimizing (organizational) Variables
Gaming is part of IT. For me, it is a quite important one because my career started with computer games. While playing strategy games I noticed an interesti...
Global Setup Strategy
Recently, I began reading Clean Code by Uncle Bob (again). In chapter 11 (“Systems”), he writes about a “Global Setup Strategy” of an application. As I under...
Hibernate Missing Column ID
This article covers a problem I encountered using Hibernate 3.0 and Spring 2.5.6. Yesterday, I spend one hour to debug the following error from the Hibernat...
Using Dependency Injection
One topic of discussion I encountered in every project so far is the “right” usage of Springs Dependency Injection (DI). In this article, I want to describe ...
SVN blame vs comments in code
The other day I had a discussion with a coworker about comments. Often he annotates the parts of the code that he writes with his name / SVN name like this: ...
Cutting edge vs Legacy Systems
Recently, a colleague asked me, if I still enjoy being in the new team. I immediately answered that with an honest “yes”, although we both agree that our pr...
How I deal with TODO comments in code
„TODOs are jobs that the programmer thinks should be done, but for some reason can’t do at the moment. It might be a reminder to delete a deprecated featu...
Making a dent in the universe - as a Java Developer?!
A couple of days ago, I finished reading „Rework“ by Jason Fried and David Heinemeier Hansson. The book is about their enterprise 37 signals and mainly addr...