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Understanding React's useCallback and useMemo Hooks

The callback hook in React is intended to optimize the rendering process, and the memo hook is used to create a memoized version of any object structure.

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

Web Development

How to Set Up Single-Page Web Applications with React

A React application usually consists of a large number of small files that have interdependencies that you can resolve via the JavaScript module...

Programming Languages

What Are the Individual Program Elements of C++?

In this blog post, we’ll briefly explain the individual program elements of C++ so that you have the basic knowledge necessary to start coding with...

Programming Languages

How to Find and Avoid Errors in JavaScript Programs

During the development of any program (including JavaScript programs), you’ll make the odd mistake. This is normal and part of everyday life when you...

Python

Regular Expressions in Python Programming

Let’s provide insight into the extensive possibilities of regular expressions for Python.

DevOps

An Introduction to Microservices Architecture

In the ever-evolving landscape of software development, the architectural style known as microservices has emerged as a revolutionary approach to...

Security

A Primer on Asymmetric Cryptography

Cryptography is categorized based on the symmetry of the encryption key and encryption-decryption algorithms.

Blockchain Creation: Chaining Blocks Basics

Before you build your own blockchain, let’s clarify what information is needed in the blocks. To do this, create a models/Block.java file and start...

What Is?

What Is YAML and How Is It Used with Kubernetes?

To make your intended result clear to Kubernetes, you need a language in which you can specify your resources declaratively.

Web Development

What Is a Click Dummy in Web Design?

When you present a screen flow for evaluation by a group of users, most people will have a tough time imagining how using the tool will feel to them...

Java

Logging Implementation in Spring

We work in Spring Boot with SLF4J, but not with the application programming interface (API) of the actual logging provider.