Programming Patterns. SOLID principle

Our today’s heroes are Publisher / Subscriber pattern and the Mediator pattern. Basically, I created this video to explain the difference both to patterns and Observer pattern …

Let’s talk a bit about server programming, especially about Node.js, which we are using in most of our clients’ projects. Let’s take a quick look on its history.

The methods that are covered in this video are flattop, concat/merge, switch, switchMap.…