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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 the dispatch function to dispatch

Rheinwerk Computing
Rheinwerk Computing

Rheinwerk Computing is an imprint of Rheinwerk Publishing and publishes books by leading experts in the fields of programming, administration, security, analytics, and more.

Blogs by Rheinwerk Computing

Python

How to Create Your First Python Program

As an introduction to programming with Python, let's create a small sample program—the Guessing Numbers game.

DevOps

Characteristics of Alpine Linux

To keep Alpine Linux as lean as possible, its developers have chosen different components from those that are commonly used in “big” Linux libraries.

DevOps

How to Install GitLab

In this blog post, we’ll walk you through installing a GitLab server on your own hardware step by step.

JavaScript

How to Create Node.js Child Processes with fork Method

In your Node.js application, you probably not only want to run external programs, but more importantly, you want to swap out parts of the application...

Java

SOLID Modeling in Java Programming

If you want to write good object-oriented (OO) software, you should adhere to certain design principles. These best practices aren’t mandatory, of...

Python

How to Use Python to Randomly Generate Numbers

The random module of the Python standard library generates pseudorandom numbers and provides additional functions for applying random operations to...

Java

How to Set Up a Spring Boot Project

There are several ways to build new Spring Boot projects. A Spring Boot project is essentially a Java project that includes a few classes in its...

JavaScript

The Basic Structure of a React Native Application

In this blog post, we’ll talk about the structure of React applications.

Java

Getting Started with Spring Boot: An Introduction for Coding Beginners

Embarking on the journey of Java coding can be both exciting and daunting, especially for beginners. Frameworks like Spring Boot offer a friendly...

Web Development

Important Image Formats in Web Development

Image formats naturally play a major role in web application development. In this blog post, we’ll briefly introduce you to the most important image...