A quick write about three general concepts that are often mixed up but are not directly related, DDD, CQRS and SOLID. When I see how newcomers evolve in their approach of CQRS and DDD, I often realize that they are mixing up concepts that should not be! A quick reminder: Domain Driven Design …

One of the question I often hear about validating the model is why I need to make double validation both UI side and in the domain model itself. Well, the response is easy, no matter what happens, you need to protect your domain against inconsistencies! But, first, let’s see the…

What is an ORM exactly? It is not clear. Ask around you, you won’t always get the same answer. Some would simply say that it is for abstracting database operations. Other that it is for designing the database with an object oriented approach. …