Future[_] vs Future[Unit] or which return type should I choose?
Recently I have a heated debate with my colleague about a proper return type for async procedures (procedure is just a function that returns `Unit` in... »
Passing functions as arguments in Scala. What can go wrong?
In microservices architecture we often designate a single service for managing the configuration of the entire system. Libraries like [Archaius](https://github.com/Netflix/archaius) make this easy. As a side... »
Preparing images for Ben Eater's VGA card using Gimp
Recently I have completed my own version of [Ben Eater video card](https://eater.net/vga). I still need to spend some time on it, since I could not achieve... »
Nesting monads in Scala
Recently I write a lot of async code. Most of my repository methods return types like `Future[Set[T]]` or `Future[Option[T]]`. But as we will see, working with... »
Scala WTF 1
So here is a puzzle. What will be written by this program: {% highlight scala %} object Wtf1 { def main(args: Array[String]): Unit = { val... »