The past 3 day’s I have had a course in design patterns. Even though I already have quite some experience with design patterns, I decided to formalize my knowledge and use the course as a refresher.
I have to say, I found it quite useful. The first day was not very interesting as it was very basic. But day 2 and 3 went more in depth and were very interesting. I really left with the feeling that I learned something, and that I will better be able to apply this to my everyday work.