My blog posts

In JavaScript, the Double Question Mark (Nullish Coalescing Operator) is a special case from the OR Logical Operator (||). Let's introduce some use cases of it.

The Interface Segregation Principle is so close to other SOLID principles. It significantly helps to implement them correctly.

What is Liskov Substitution Principle? How to apply it? What are its violations? Is it really hard to understand? Let's know more about it.

The Open-Closed Principle is the second principle of SOLID. Let’s know what the Open-Closed Principle is, its limitations, and how can we follow it correctly.