How does authentication work? How can it be implemented securely? Who saves sessions? How long do they last? These are questions I get asked a lot, and I hope to answer them comprehensively in this post.

The Factory Method pattern belongs to the group of creational design patterns. Its main purpose is to create configurable objects based on given data.

The sixty-four-dollar question: what’s the difference between implementing a and extending a class? Let’s make things clear in no time.

In ES6 (ECMAScript 6) JavaScript modules, you can export values from a module and import them into another module. This is great because it allows you to organize, modularize and reuse code in a very efficient way.

Memoization is a caching technique that consists in saving the result of an expensive function and returning it if the same inputs are provided again. In short, it’s like having a “no smoking” sign inside a restaurant instead of going to each customer and asking them not to light their cigarettes.

For the most part, programming means managing data. A lot of data. This job is mostly about assembling and disassembling objects, joining them, dividing them, passing them on to functions.

Since ES6 a strange syntax has appeared in the code of our projects. Let’s see what does it mean and how it can be used