Command-Query Separation (CQS)
Command-Query Separation (CQS) is a principle or guideline, used in a software architecture, that states that every method should either be a command that performs an action, or a query…
The Onion Architecture
In the late 2000s Jeffrey Palermo, presented an architectural pattern called the Onion Architecture. The main purpose of this architectural pattern was to control coupling in a software system, to…