One of the many cool features in Scala are traits. traits are like a mixture of abstract classes and interfaces: You can ‘implement’ as many of them as you want just as with interfaces, but they can also contain implementation, which makes them similar to abstract classes. You also can’t instantiate a trait on its [...]
Some people advocate their preferred language as the only way to enlightenment and productivity boosts way in the two digit percentage range compared to another language in the same category. I don’t believe it. (It’s probably true when you compare things like Java and Assembler, but few do that) There are others that tell you [...]
An important part of any kind of GUI is input validation. If you are living in the Java world, you probably know about Bean Validation and its reference implementation Hibernate Validation. Using Bean Validation you sprinkle your code with annotations in order to declare the maximum size attributes, if they may be Null and many [...]
