--- title: Learn Computing from the Experts | The Rheinwerk Computing Blog (17) description: Dive into programming, web development, and more with Rheinwerk Computing Blog! Your go-to resource for expanding your computing knowledge. (17) --- [![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) # Latest Blog Posts [![What Is Ethereum?](https://blog.rheinwerk-computing.com/hs-fs/hubfs/What%20Is%20Ethereum.png?height=600&name=What%20Is%20Ethereum.png)](https://blog.rheinwerk-computing.com/what-is-ethereum) ## [What Is Ethereum?](https://blog.rheinwerk-computing.com/what-is-ethereum) Ethereum has managed to construct a blockchain that can do much more than just transfer cryptocurrencies between participants. ![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-ethereum) [![How to Get Started with Minikube](https://blog.rheinwerk-computing.com/hs-fs/hubfs/How%20to%20Get%20Started%20with%20Minikube.png?height=600&name=How%20to%20Get%20Started%20with%20Minikube.png)](https://blog.rheinwerk-computing.com/how-to-get-started-with-minikube) [DevOps](https://blog.rheinwerk-computing.com/tag/devops) ## [How to Get Started with Minikube](https://blog.rheinwerk-computing.com/how-to-get-started-with-minikube) A Kubernetes cluster always consists of multiple servers. However, Minikube was developed so that you don't have to set up a server farm to learn K8s... ![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-get-started-with-minikube) [![Event Processing with Vpython](https://blog.rheinwerk-computing.com/hs-fs/hubfs/Event%20Processing%20with%20Vpython.png?height=600&name=Event%20Processing%20with%20Vpython.png)](https://blog.rheinwerk-computing.com/event-processing-with-vpython) [Python](https://blog.rheinwerk-computing.com/tag/python) ## [Event Processing with Vpython](https://blog.rheinwerk-computing.com/event-processing-with-vpython) For event processing, VPython also provides controls such as command buttons (button), radio buttons (radio), multiple selection options (checkbox... ![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/event-processing-with-vpython) [![A Bird’s-Eye View of Software Architecture Design](https://blog.rheinwerk-computing.com/hs-fs/hubfs/A%20Bird%E2%80%99s-Eye%20View%20of%20Software%20Architecture%20Design.png?height=600&name=A%20Bird%E2%80%99s-Eye%20View%20of%20Software%20Architecture%20Design.png)](https://blog.rheinwerk-computing.com/a-birds-eye-view-of-software-architecture-design) [Software Development](https://blog.rheinwerk-computing.com/tag/software-development) ## [A Bird’s-Eye View of Software Architecture Design](https://blog.rheinwerk-computing.com/a-birds-eye-view-of-software-architecture-design) Requirements engineering and architecture design are two key factors for successful software 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/a-birds-eye-view-of-software-architecture-design) [![How to Be Aware of Cross-Site Scripting](https://blog.rheinwerk-computing.com/hs-fs/hubfs/How%20to%20Be%20Aware%20of%20Cross-Site%20Scripting.png?height=600&name=How%20to%20Be%20Aware%20of%20Cross-Site%20Scripting.png)](https://blog.rheinwerk-computing.com/how-to-be-aware-of-cross-site-scripting) [Cybersecurity](https://blog.rheinwerk-computing.com/tag/cybersecurity) ## [How to Be Aware of Cross-Site Scripting](https://blog.rheinwerk-computing.com/how-to-be-aware-of-cross-site-scripting) An extension of HTML injection issues is the injection of JavaScript code into the web server’s response to the web browser. ![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-be-aware-of-cross-site-scripting) [![What Is DevOps and Continuous Integration/Continuous Deployment (CI/CD)?](https://blog.rheinwerk-computing.com/hs-fs/hubfs/What%20Is%20DevOps%20and%20Continuous%20IntegrationContinuous%20Deployment%20(CICD).png?height=600&name=What%20Is%20DevOps%20and%20Continuous%20IntegrationContinuous%20Deployment%20(CICD).png)](https://blog.rheinwerk-computing.com/what-is-devops-and-continuous-integration-continuous-deployment-ci-cd) [DevOps](https://blog.rheinwerk-computing.com/tag/devops) ## [What Is DevOps and Continuous Integration/Continuous Deployment (CI/CD)?](https://blog.rheinwerk-computing.com/what-is-devops-and-continuous-integration-continuous-deployment-ci-cd) The landscape of software development has evolved dramatically over the past few decades. ![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-devops-and-continuous-integration-continuous-deployment-ci-cd) [![Encryption in Python Programming](https://blog.rheinwerk-computing.com/hs-fs/hubfs/Encryption%20in%20Python%20Programming.png?height=600&name=Encryption%20in%20Python%20Programming.png)](https://blog.rheinwerk-computing.com/encryption-in-python-programming) [Python](https://blog.rheinwerk-computing.com/tag/python) ## [Encryption in Python Programming](https://blog.rheinwerk-computing.com/encryption-in-python-programming) The functions of the random module in Python are sufficient for the random values of a game. ![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/encryption-in-python-programming) [![How to Install KNIME](https://blog.rheinwerk-computing.com/hs-fs/hubfs/How%20to%20Install%20KNIME.png?height=600&name=How%20to%20Install%20KNIME.png)](https://blog.rheinwerk-computing.com/how-to-install-knime) [Artificial Intelligence](https://blog.rheinwerk-computing.com/tag/artificial-intelligence) ## [How to Install KNIME](https://blog.rheinwerk-computing.com/how-to-install-knime) You can download the *KNIME Analytics Platform* software for your preferred operating system at the link below. ![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-install-knime) [![Blockchain Security Basics and Attack Types](https://blog.rheinwerk-computing.com/hs-fs/hubfs/Blockchain%20Security%20Basics%20and%20Attack%20Types.png?height=600&name=Blockchain%20Security%20Basics%20and%20Attack%20Types.png)](https://blog.rheinwerk-computing.com/blockchain-security-basics-and-attack-types) [Cybersecurity](https://blog.rheinwerk-computing.com/tag/cybersecurity) ## [Blockchain Security Basics and Attack Types](https://blog.rheinwerk-computing.com/blockchain-security-basics-and-attack-types) As digitalization progresses, the security of the information we store on our devices or servers every day is also becoming increasingly important. ![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/blockchain-security-basics-and-attack-types) [![How to Transfer Files from Linux](https://blog.rheinwerk-computing.com/hs-fs/hubfs/How%20to%20Transfer%20Files%20from%20Linux.png?height=600&name=How%20to%20Transfer%20Files%20from%20Linux.png)](https://blog.rheinwerk-computing.com/how-to-transfer-files-from-linux) [Administration](https://blog.rheinwerk-computing.com/tag/administration) ## [How to Transfer Files from Linux](https://blog.rheinwerk-computing.com/how-to-transfer-files-from-linux) FTP stands for *File Transfer Protocol* and refers to a rather old method of transferring files through a network. ![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-transfer-files-from-linux) - - [1](https://blog.rheinwerk-computing.com/page/1) - [...](https://blog.rheinwerk-computing.com/page/12) - [15](https://blog.rheinwerk-computing.com/page/15) - [16](https://blog.rheinwerk-computing.com/page/16) - [17](https://blog.rheinwerk-computing.com/page/17) - [18](https://blog.rheinwerk-computing.com/page/18) - [19](https://blog.rheinwerk-computing.com/page/19) - [...](https://blog.rheinwerk-computing.com/page/22) - [30](https://blog.rheinwerk-computing.com/page/30) - ### 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. [What Is?](https://blog.rheinwerk-computing.com/tag/what-is) [What Is the Basic Structure of a Python Program?](https://blog.rheinwerk-computing.com/what-is-the-basic-structure-of-a-python-program) by [Rheinwerk Computing](https://blog.rheinwerk-computing.com/author/rheinwerk-computing) 2. [HTML & CSS](https://blog.rheinwerk-computing.com/tag/html-css) [Twelve-Factor App Principles for Developers](https://blog.rheinwerk-computing.com/twelve-factor-app-principles-for-developers) by [Rheinwerk Computing](https://blog.rheinwerk-computing.com/author/rheinwerk-computing) 3. [Java](https://blog.rheinwerk-computing.com/tag/java) [Elements of the Java Programming Language](https://blog.rheinwerk-computing.com/elements-of-the-java-programming-language) by [Rheinwerk Computing](https://blog.rheinwerk-computing.com/author/rheinwerk-computing) 4. [Cybersecurity](https://blog.rheinwerk-computing.com/tag/cybersecurity) [11 Linux Shell Commands for Hacking and Security](https://blog.rheinwerk-computing.com/11-linux-shell-commands-for-hacking-and-security) by [Rheinwerk Computing](https://blog.rheinwerk-computing.com/author/rheinwerk-computing) 5. [User Experience](https://blog.rheinwerk-computing.com/tag/user-experience) [How to "Do" UX Design: A Guide to the ISO 9241-210 Standard](https://blog.rheinwerk-computing.com/how-to-do-ux-design-a-guide-to-the-iso-9241-210-standard) by [Rheinwerk Computing](https://blog.rheinwerk-computing.com/author/rheinwerk-computing) **Subscribe to our blog!**Get notified about future blog updates. - - - ### The official Rheinwerk Computing Blog Rheinwerk Computing is an imprint of Rheinwerk Publishing and publishes resources that will help you accelerate your computing journey. The Rheinwerk Computing Blog is designed to provide helpful, actionable information on a variety of topics, including programming, administration, security, and analytics! ### 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) ### Blog curated by [![Rheinwerk Computing Logo](https://blog.rheinwerk-computing.com/hubfs/computing_logo-header.svg)](https://www.sap-press.com/rheinwerk-computing/) [Visit Rheinwerk Computing Store](https://www.sap-press.com/rheinwerk-computing/) ### About - [Home](https://sap-press.com/) - [About Us](https://sap-press.com/the-publisher/) - [Contact](mailto:info@rheinwerk-publishing.com) - [Legal Notes](https://sap-press.com/legal-notes/) - [Privacy Policy](https://sap-press.com/privacy/) - [Terms of Use](https://sap-press.com/terms/) © 2026 Rheinwerk Publishing, Inc. | Change Privacy Options