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Why the Single Responsibility Principle Matters in Practice

Software systems rarely fail because of a single large mistake. More often, they fail because small, seemingly reasonable changes interact in unexpected ways.

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

Server Communication in React: Axios vs Fetch API

Communicating with a web server is a classic side effect in a React application. For this reason, you place these requests not directly in the...

DevOps

Git Error Messages (Root Causes and Solutions)

In this blog post, explore the essence of a Git error message, the context where they can occur, and some possible root causes and solutions.

What Is?

What Is OpenHands?

OpenHands is an open-source AI assistant that goes beyond chat—offering hands-on file access, program compilation, and autonomous project management.

Java

How to Test Dynamic Bindings in Java

Dynamic binding in Java can feel like magic—but understanding how it works under the hood is key to mastering object-oriented programming.

Programming Languages

Understanding the Match Expression in PHP 8

With the match case distinction, PHP 8 actually brings a comparatively large innovation to basic programming functions.

Programming Languages

What Are Enums in Rust?

Enums are a powerful feature in Rust for defining types that can represent one of several possible variants.

Programming Languages

Temporal Functions in SQL

The topic of temporal functions covers date manipulations. In this blog post, we’ll inspect commonly used SQL functions in this category.

Programming Languages

Getting to Know JavaScript Variables

To solve a problem with an algorithm, it is in most cases necessary to store certain information temporarily. This is done via variables. These are...

Python

How to Display Figures, Lines, and Arrows with Matplotlib

The matplotlib module can plot geometric figures such as rectangles, circles, and triangles. These figures can then illustrate mathematical,...

Programming Languages

How to Create Your First Bash Script

A script is a text file in which you formulate the same commands that you enter interactively in the terminal.