JavaScript

What Is the Reducer Hook in React?

The reducer hook in React works like the state hook, with the difference that you do not manipulate the state directly via a setter function but use...

Exploring JSON and Python

Python and JSON together form a dream team. To process JSON documents, you must import the json module. This module comes with Python by default and...

The Principles of Object-Oriented Programming

Object-oriented programming is based on four essential principles.

Why Choose the Rheinwerk Computing Learning Center? Comprehensive Learning Paths Explained

The Rheinwerk Computing Learning Center stands out as a premier destination for anyone eager to dive into the expansive world of computing and IT.

Playgrounds for Using the React Library

To quickly try something with React or get an initial feel for the library, you don't necessarily need to install anything on your system.

Core Modules in Node.js

This blog post provides an overview of the core modules of the Node.js platform.

Managing Node.js Packages

There are many different modules available for Node.js.Some, like the http package already briefly shown, are included in the installation of...

CSS in JavaScript Using Emotion

Emotion is a library for CSS-in-JS, an approach where you make style specifications in JavaScript code.

What Is a Stream in Node.js?

“We should have some ways of connecting programs like garden hose—screw in another segment when it becomes necessary to massage data in another way.”

How to Create Your First Node.js Application

When you create applications using Node.js, the source code of that application is contained in one or more files.