--- title: Learn Computing from the Experts | The Rheinwerk Computing Blog | Rheinwerk Computing (19) description: Rheinwerk Computing is an imprint of Rheinwerk Publishing and publishes books by leading experts in the fields of programming, administration, security, analytics, and more. (19) --- [![Rheinwerk Computing Logo](https://blog.rheinwerk-computing.com/hubfs/computing_logo-header.svg)](https://blog.rheinwerk-computing.com/) [Blog](https://blog.rheinwerk-computing.com) - Books - Get an overview of our wide selection of books on every relevant computing topic. - [General Computing](https://www.sap-press.com/rheinwerk-computing/general-computing/) - [DevOps](https://www.sap-press.com/rheinwerk-computing/devops/) - [Programming Languages](https://www.sap-press.com/rheinwerk-computing/programming-languages/) - [Security](https://www.sap-press.com/rheinwerk-computing/security/) - [Software Development](https://www.sap-press.com/rheinwerk-computing/software-development/) - Book Subscription - Get unlimited access to all Rheinwerk Computing books! - [Programming Subscription](https://sap-press.com/subscriptions/) ![](https://blog.rheinwerk-computing.com/hs-fs/hubfs/How%20to%20Write%20Your%20Own%20Python%20Functions.jpg?width=1000&name=How%20to%20Write%20Your%20Own%20Python%20Functions.jpg) [Featured](https://blog.rheinwerk-computing.com/tag/featured) | Featured article ## [How to Write Your Own Python Functions](https://blog.rheinwerk-computing.com/how-to-write-your-own-python-functions) Functions in Python provide functionality that you or someone else has already pro­grammed. In this post, we’ll teach you how to write your own Python functions. ![Rheinwerk Computing](https://blog.rheinwerk-computing.com/hubfs/RW-logo-300x300.png) by [Rheinwerk Computing](https://blog.rheinwerk-computing.com/author/rheinwerk-computing) [Read More](https://blog.rheinwerk-computing.com/how-to-write-your-own-python-functions) ![Rheinwerk Computing](https://blog.rheinwerk-computing.com/hubfs/RW-logo-300x300.png) **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 [![How to Debug Node.js Applications](https://blog.rheinwerk-computing.com/hs-fs/hubfs/How%20to%20Debug%20Node.js%20Applications.png?height=600&name=How%20to%20Debug%20Node.js%20Applications.png)](https://blog.rheinwerk-computing.com/how-to-debug-nodejs-applications) [JavaScript](https://blog.rheinwerk-computing.com/tag/javascript) ## [How to Debug Node.js Applications](https://blog.rheinwerk-computing.com/how-to-debug-nodejs-applications) Even when implementing smaller Node.js applications, sooner or later, you’ll reach the point at which you need to find and fix a bug in your own... ![Rheinwerk Computing](https://blog.rheinwerk-computing.com/hubfs/RW-logo-300x300.png) by [Rheinwerk Computing](https://blog.rheinwerk-computing.com/author/rheinwerk-computing) [Read More](https://blog.rheinwerk-computing.com/how-to-debug-nodejs-applications) [![16 Web Development Best Practices for Front-End, Back-End, and Full-Stack Development](https://blog.rheinwerk-computing.com/hs-fs/hubfs/16%20Web%20Development%20Best%20Practices%20for%20Front-End%2c%20Back-End%2c%20and%20Full-Stack%20Development.png?height=600&name=16%20Web%20Development%20Best%20Practices%20for%20Front-End,%20Back-End,%20and%20Full-Stack%20Development.png)](https://blog.rheinwerk-computing.com/16-web-development-best-practices-for-front-end-back-end-and-full-stack-development) [Web Development](https://blog.rheinwerk-computing.com/tag/web-development) ## [16 Web Development Best Practices for Front-End, Back-End, and Full-Stack Development](https://blog.rheinwerk-computing.com/16-web-development-best-practices-for-front-end-back-end-and-full-stack-development) In the dynamic realm of web development, adhering to best practices is crucial for creating robust, maintainable, and scalable web applications. ![Rheinwerk Computing](https://blog.rheinwerk-computing.com/hubfs/RW-logo-300x300.png) by [Rheinwerk Computing](https://blog.rheinwerk-computing.com/author/rheinwerk-computing) [Read More](https://blog.rheinwerk-computing.com/16-web-development-best-practices-for-front-end-back-end-and-full-stack-development) [![Mathematical Functions in Python](https://blog.rheinwerk-computing.com/hs-fs/hubfs/Mathematical%20Functions%20in%20Python.png?height=600&name=Mathematical%20Functions%20in%20Python.png)](https://blog.rheinwerk-computing.com/mathematical-functions-in-python) [Python](https://blog.rheinwerk-computing.com/tag/python) ## [Mathematical Functions in Python](https://blog.rheinwerk-computing.com/mathematical-functions-in-python) In the math module of Python, you’ll find different mathematical functions. ![Rheinwerk Computing](https://blog.rheinwerk-computing.com/hubfs/RW-logo-300x300.png) by [Rheinwerk Computing](https://blog.rheinwerk-computing.com/author/rheinwerk-computing) [Read More](https://blog.rheinwerk-computing.com/mathematical-functions-in-python) [![Basic Rules for Bash Scripts](https://blog.rheinwerk-computing.com/hs-fs/hubfs/Basic%20Rules%20for%20Bash%20Scripts.png?height=600&name=Basic%20Rules%20for%20Bash%20Scripts.png)](https://blog.rheinwerk-computing.com/basic-rules-for-bash-scripts) [Programming Languages](https://blog.rheinwerk-computing.com/tag/programming-languages) ## [Basic Rules for Bash Scripts](https://blog.rheinwerk-computing.com/basic-rules-for-bash-scripts) Bash scripts must start with the line #!/bin/bash. ![Rheinwerk Computing](https://blog.rheinwerk-computing.com/hubfs/RW-logo-300x300.png) by [Rheinwerk Computing](https://blog.rheinwerk-computing.com/author/rheinwerk-computing) [Read More](https://blog.rheinwerk-computing.com/basic-rules-for-bash-scripts) [![How to Create Animations Using Matplotlib and Python](https://blog.rheinwerk-computing.com/hs-fs/hubfs/How%20to%20Create%20Animations%20Using%20Matplotlib%20and%20Python.png?height=600&name=How%20to%20Create%20Animations%20Using%20Matplotlib%20and%20Python.png)](https://blog.rheinwerk-computing.com/how-to-create-animations-using-matplotlib-and-python) [Python](https://blog.rheinwerk-computing.com/tag/python) ## [How to Create Animations Using Matplotlib and Python](https://blog.rheinwerk-computing.com/how-to-create-animations-using-matplotlib-and-python) Computer animation is a process in which a moving image is created from a sequence of frames. ![Rheinwerk Computing](https://blog.rheinwerk-computing.com/hubfs/RW-logo-300x300.png) by [Rheinwerk Computing](https://blog.rheinwerk-computing.com/author/rheinwerk-computing) [Read More](https://blog.rheinwerk-computing.com/how-to-create-animations-using-matplotlib-and-python) [![Kernel Hardening for Linux](https://blog.rheinwerk-computing.com/hs-fs/hubfs/Kernel%20Hardening%20for%20Linux.png?height=600&name=Kernel%20Hardening%20for%20Linux.png)](https://blog.rheinwerk-computing.com/kernel-hardening-for-linux) [Administration](https://blog.rheinwerk-computing.com/tag/administration) ## [Kernel Hardening for Linux](https://blog.rheinwerk-computing.com/kernel-hardening-for-linux) The kernel is responsible for the (innermost) basic functions of a Linux system. ![Rheinwerk Computing](https://blog.rheinwerk-computing.com/hubfs/RW-logo-300x300.png) by [Rheinwerk Computing](https://blog.rheinwerk-computing.com/author/rheinwerk-computing) [Read More](https://blog.rheinwerk-computing.com/kernel-hardening-for-linux) [![What Is Text Vectorization in AI?](https://blog.rheinwerk-computing.com/hs-fs/hubfs/What%20Is%20Text%20Vectorization%20in%20AI.png?height=600&name=What%20Is%20Text%20Vectorization%20in%20AI.png)](https://blog.rheinwerk-computing.com/what-is-text-vectorization-in-ai) [Artificial Intelligence](https://blog.rheinwerk-computing.com/tag/artificial-intelligence) ## [What Is Text Vectorization in AI?](https://blog.rheinwerk-computing.com/what-is-text-vectorization-in-ai) In artificial intelligence, words must first be transformed into numerical values before an embedding layer transforms them into vector... ![Rheinwerk Computing](https://blog.rheinwerk-computing.com/hubfs/RW-logo-300x300.png) by [Rheinwerk Computing](https://blog.rheinwerk-computing.com/author/rheinwerk-computing) [Read More](https://blog.rheinwerk-computing.com/what-is-text-vectorization-in-ai) [![Python in Education: Empowering the Next Generation of Programmers](https://blog.rheinwerk-computing.com/hs-fs/hubfs/Python%20in%20Education%20Empowering%20the%20Next%20Generation%20of%20Programmers.png?height=600&name=Python%20in%20Education%20Empowering%20the%20Next%20Generation%20of%20Programmers.png)](https://blog.rheinwerk-computing.com/python-in-education-empowering-the-next-generation-of-programmers) [Python](https://blog.rheinwerk-computing.com/tag/python) ## [Python in Education: Empowering the Next Generation of Programmers](https://blog.rheinwerk-computing.com/python-in-education-empowering-the-next-generation-of-programmers) The world of programming is vast and ever-evolving, and Python has emerged as a cornerstone language in this dynamic landscape. ![Rheinwerk Computing](https://blog.rheinwerk-computing.com/hubfs/RW-logo-300x300.png) by [Rheinwerk Computing](https://blog.rheinwerk-computing.com/author/rheinwerk-computing) [Read More](https://blog.rheinwerk-computing.com/python-in-education-empowering-the-next-generation-of-programmers) [![What Is Blockchain?](https://blog.rheinwerk-computing.com/hs-fs/hubfs/Understanding%20the%20Basics%20of%20Blockchain%20Technology.png?height=600&name=Understanding%20the%20Basics%20of%20Blockchain%20Technology.png)](https://blog.rheinwerk-computing.com/what-is-blockchain) [What Is?](https://blog.rheinwerk-computing.com/tag/what-is) ## [What Is Blockchain?](https://blog.rheinwerk-computing.com/what-is-blockchain) Blockchain technology has emerged as one of the most transformative innovations of the 21st century, with applications extending far beyond its... ![Rheinwerk Computing](https://blog.rheinwerk-computing.com/hubfs/RW-logo-300x300.png) by [Rheinwerk Computing](https://blog.rheinwerk-computing.com/author/rheinwerk-computing) [Read More](https://blog.rheinwerk-computing.com/what-is-blockchain) [![The User Researcher Mindset in Software Development](https://blog.rheinwerk-computing.com/hs-fs/hubfs/The%20User%20Researcher%20Mindset%20in%20Software%20Development.png?height=600&name=The%20User%20Researcher%20Mindset%20in%20Software%20Development.png)](https://blog.rheinwerk-computing.com/the-user-researcher-mindset-in-software-development) [Software Development](https://blog.rheinwerk-computing.com/tag/software-development) ## 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