Post previously published in Spanish Aplicación del principio DRYI always keep in mind that in software development it is very important to keep each business concept in one place only. Code duplication is a problem that we should try to avoid or at least restrict and systematically remove when needed.But, sometimes, we blindly follow the DRY principle, without having in mind that each decision has a cost. In this post, I will expose some points that can help us decide...