Featured | Featured article

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

Programming Languages

How to Integrate CSS into HTML

There are several ways to associate CSS style statements with an HTML document. Strictly speaking, you have three options at your disposal.

Python

Virtual Environments for Python Programming

The pip package manager makes it easy to install third-party Python modules along with their dependencies.

What Is?

What Is a Spring Container?

At the heart of a Spring application is a special data structure, the Spring container (container for short). The objects that this container manages...

Python

How to Generate a File Object in Python

A file object in Python can be created using the built-in open function.

What Is?

What Is the Double Diamond Model in Design Projects?

The Double Diamond model is another ideal approach to human-centered design projects. This model was developed in 2005 by the British Design Council ...

Java

Using TaskExecutor in Spring

The asynchronous operations in the background must be executed by one entity. This is the job of an executor.

DevOps

Learning to Program with Git Support

Imagine you want to learn Python (or any other language). Over the course of a few weeks, you try out new functions and create various small sample...

DevOps

Docker Commands for Administration Purposes

This blog post provides an initial overview of docker commands you can use for the administration of your Docker system.

What Is?

What Is React?

React is a library for implementing web frontends. However, React only covers the view layer—that is, the representation of the user interface.

HTML & CSS

The Basic Principle of Using CSS

To use the CSS principle so that it makes sense, you should first create the HTML document with logical and semantic HTML elements.