To save the author some work dear reader, imagine the 3 Spiderman meme. Fill in “Who owns client data validation?” as the title and label the Spidermans (Spidermen?) Controller/Service/Persistence. One place has to own that responsibility. Let’s say we had a bug where we accidentally allowed updating …

Chess has a long history of structured openings. You have a set of steps that put you in a certain position, with known strengths and weaknesses. You basically start the actual game several moves in. From the opening, you have several options to branch out from. There is also a common nomenclature. If I say, …

The primary point of good Software Design is to separate out what your code does from how your code does it. Being able to make this distinction in real time when coding is critical. Let’s explore. Core versus Shell Look hard enough in the right places and you’ll find the saying: ”Functional Core; Imperative …