Always thought what the most important thing is to improve your development skills? Well, I'm not going to give you the answer but I am going to give you a lot of small useful tips to start being a better developer Today. In 40 min I will run through a lot of topics like SOLID, TDD, DDD, BDD, RDD, BLDD, YOLODD, ADD, NDAD, ADHD and a lot more stuff ending with the D.