--- title: Learn Computing from the Experts | The Rheinwerk Computing Blog | Rheinwerk Computing (21) 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. (21) --- [![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 [![What Is the International Software Architecture Qualification Board and Its Certifications?](https://blog.rheinwerk-computing.com/hs-fs/hubfs/What%20Is%20the%20International%20Software%20Architecture%20Qualification%20Board%20and%20Its%20Certifications.png?height=600&name=What%20Is%20the%20International%20Software%20Architecture%20Qualification%20Board%20and%20Its%20Certifications.png)](https://blog.rheinwerk-computing.com/what-is-the-international-software-architecture-qualification-board-and-its-certifications) [What Is?](https://blog.rheinwerk-computing.com/tag/what-is) ## [What Is the International Software Architecture Qualification Board and Its Certifications?](https://blog.rheinwerk-computing.com/what-is-the-international-software-architecture-qualification-board-and-its-certifications) Software architecture is an extremely young discipline, and, despite many publications on the subject, various opinions still exist regarding 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-the-international-software-architecture-qualification-board-and-its-certifications) [![Why Choose the Rheinwerk Computing Learning Center? Comprehensive Learning Paths Explained](https://blog.rheinwerk-computing.com/hs-fs/hubfs/Why%20Choose%20the%20Rheinwerk%20Computing%20Learning%20Center%20Comprehensive%20Learning%20Paths%20Explained.png?height=600&name=Why%20Choose%20the%20Rheinwerk%20Computing%20Learning%20Center%20Comprehensive%20Learning%20Paths%20Explained.png)](https://blog.rheinwerk-computing.com/why-choose-the-rheinwerk-computing-learning-center-comprehensive-learning-paths-explained) [Java](https://blog.rheinwerk-computing.com/tag/java) ## [Why Choose the Rheinwerk Computing Learning Center? Comprehensive Learning Paths Explained](https://blog.rheinwerk-computing.com/why-choose-the-rheinwerk-computing-learning-center-comprehensive-learning-paths-explained) The Rheinwerk Computing Learning Center stands out as a premier destination for anyone eager to dive into the expansive world of computing and IT. ![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/why-choose-the-rheinwerk-computing-learning-center-comprehensive-learning-paths-explained) [![The Ethics of Hacking: When Shouldn't You Hack?](https://blog.rheinwerk-computing.com/hs-fs/hubfs/The%20Ethics%20of%20Hacking%20When%20Shouldnt%20You%20Hack.png?height=600&name=The%20Ethics%20of%20Hacking%20When%20Shouldnt%20You%20Hack.png)](https://blog.rheinwerk-computing.com/the-ethics-of-hacking-when-shouldnt-you-hack) [Cybersecurity](https://blog.rheinwerk-computing.com/tag/cybersecurity) ## [The Ethics of Hacking: When Shouldn't You Hack?](https://blog.rheinwerk-computing.com/the-ethics-of-hacking-when-shouldnt-you-hack) Although the exact wording varies, hacking without permission is a criminal offense in most countries. ![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/the-ethics-of-hacking-when-shouldnt-you-hack) [![How Low-Code/No-Code Development Empowers Innovation](https://blog.rheinwerk-computing.com/hs-fs/hubfs/How%20Low-CodeNo-Code%20Development%20Empowers%20Innovation.png?height=600&name=How%20Low-CodeNo-Code%20Development%20Empowers%20Innovation.png)](https://blog.rheinwerk-computing.com/how-low-code/no-code-development-empowers-innovation) [Programming](https://blog.rheinwerk-computing.com/tag/programming) ## [How Low-Code/No-Code Development Empowers Innovation](https://blog.rheinwerk-computing.com/how-low-code/no-code-development-empowers-innovation) In the ever-evolving landscape of software development, a revolutionary approach has emerged—low-code/no-code development. ![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-low-code/no-code-development-empowers-innovation) [![Playgrounds for Using the React Library](https://blog.rheinwerk-computing.com/hs-fs/hubfs/Playgrounds%20for%20Using%20the%20React%20Library.png?height=600&name=Playgrounds%20for%20Using%20the%20React%20Library.png)](https://blog.rheinwerk-computing.com/playgrounds-for-using-the-react-library) [JavaScript](https://blog.rheinwerk-computing.com/tag/javascript) ## [Playgrounds for Using the React Library](https://blog.rheinwerk-computing.com/playgrounds-for-using-the-react-library) To quickly try something with React or get an initial feel for the library, you don't necessarily need to install anything on your 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/playgrounds-for-using-the-react-library) [![Installation Variants for Linux](https://blog.rheinwerk-computing.com/hs-fs/hubfs/Installation%20Variants%20for%20Linux.png?height=600&name=Installation%20Variants%20for%20Linux.png)](https://blog.rheinwerk-computing.com/installation-variants-for-linux) [Administration](https://blog.rheinwerk-computing.com/tag/administration) ## [Installation Variants for Linux](https://blog.rheinwerk-computing.com/installation-variants-for-linux) There are various ways to install Linux. This blog post provides an initial overview of installation media, installers, and installation locations. ![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/installation-variants-for-linux) [![Detecting Malicious Code in Microsoft 365](https://blog.rheinwerk-computing.com/hs-fs/hubfs/Detecting%20Malicious%20Code%20in%20Microsoft%20365.png?height=600&name=Detecting%20Malicious%20Code%20in%20Microsoft%20365.png)](https://blog.rheinwerk-computing.com/detecting-malicious-code-in-microsoft-365) [Cybersecurity](https://blog.rheinwerk-computing.com/tag/cybersecurity) ## [Detecting Malicious Code in Microsoft 365](https://blog.rheinwerk-computing.com/detecting-malicious-code-in-microsoft-365) In Microsoft 365, Exchange Online provides a solid signature-based basic email protection with *Exchange Online Protection* (EOP). ![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/detecting-malicious-code-in-microsoft-365) [![How to Create Your First Script with PowerShell](https://blog.rheinwerk-computing.com/hs-fs/hubfs/How%20to%20Create%20Your%20First%20Script%20with%20PowerShell.png?height=600&name=How%20to%20Create%20Your%20First%20Script%20with%20PowerShell.png)](https://blog.rheinwerk-computing.com/how-to-create-your-first-script-with-powershell) [Programming Languages](https://blog.rheinwerk-computing.com/tag/programming-languages) ## [How to Create Your First Script with PowerShell](https://blog.rheinwerk-computing.com/how-to-create-your-first-script-with-powershell) PowerShell already provides excellent options in interactive mode. With your own scripts, you can even go a step further and permanently save... ![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-your-first-script-with-powershell) [![Core Modules in Node.js](https://blog.rheinwerk-computing.com/hs-fs/hubfs/Core%20Modules%20in%20Node.js.png?height=600&name=Core%20Modules%20in%20Node.js.png)](https://blog.rheinwerk-computing.com/core-modules-in-nodejs) [JavaScript](https://blog.rheinwerk-computing.com/tag/javascript) ## [Core Modules in Node.js](https://blog.rheinwerk-computing.com/core-modules-in-nodejs) This blog post provides an overview of the core modules of the Node.js platform. ![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/core-modules-in-nodejs) [![Getting Started with Docker Compose](https://blog.rheinwerk-computing.com/hs-fs/hubfs/Getting%20Started%20with%20Docker%20Compose.png?height=600&name=Getting%20Started%20with%20Docker%20Compose.png)](https://blog.rheinwerk-computing.com/getting-started-with-docker-compose) [DevOps](https://blog.rheinwerk-computing.com/tag/devops) ## [Getting Started with Docker Compose](https://blog.rheinwerk-computing.com/getting-started-with-docker-compose) In this blog post, we’ll provide an introductory example for the syntax of *docker-compose.yml.* ![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/getting-started-with-docker-compose) - - [1](https://blog.rheinwerk-computing.com/author/rheinwerk-computing/page/1) - [...](https://blog.rheinwerk-computing.com/author/rheinwerk-computing/page/16) - [19](https://blog.rheinwerk-computing.com/author/rheinwerk-computing/page/19) - [20](https://blog.rheinwerk-computing.com/author/rheinwerk-computing/page/20) - [21](https://blog.rheinwerk-computing.com/author/rheinwerk-computing/page/21) - [22](https://blog.rheinwerk-computing.com/author/rheinwerk-computing/page/22) - [23](https://blog.rheinwerk-computing.com/author/rheinwerk-computing/page/23) - [...](https://blog.rheinwerk-computing.com/author/rheinwerk-computing/page/26) - [29](https://blog.rheinwerk-computing.com/author/rheinwerk-computing/page/29) - ### Blog Topics - [All Topics](https://blog.rheinwerk-computing.com) - [Programming Languages](https://blog.rheinwerk-computing.com/tag/programming-languages) - [How To](https://blog.rheinwerk-computing.com/tag/how-to) - [DevOps](https://blog.rheinwerk-computing.com/tag/devops) - [Featured](https://blog.rheinwerk-computing.com/tag/featured) - [JavaScript](https://blog.rheinwerk-computing.com/tag/javascript) - [Cybersecurity](https://blog.rheinwerk-computing.com/tag/cybersecurity) - [What Is?](https://blog.rheinwerk-computing.com/tag/what-is) - [Artificial Intelligence](https://blog.rheinwerk-computing.com/tag/artificial-intelligence) - [Web Development](https://blog.rheinwerk-computing.com/tag/web-development) - [Software Development](https://blog.rheinwerk-computing.com/tag/software-development) **Subscribe to our blog!**Get notified about future blog updates. - - - ### Most Popular Blog Posts 1. 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