--- title: Learn Computing from the Experts | The Rheinwerk Computing Blog | What Is? (3) description: What Is? | Dive into programming, web development, and more with Rheinwerk Computing Blog! Your go-to resource for expanding your computing knowledge. (3) --- [![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/) # What Is? (3) [![What Is Azure DevOps?](https://blog.rheinwerk-computing.com/hs-fs/hubfs/What%20Is%20Azure%20DevOps.png?height=600&name=What%20Is%20Azure%20DevOps.png)](https://blog.rheinwerk-computing.com/what-is-azure-devops) ## [What Is Azure DevOps?](https://blog.rheinwerk-computing.com/what-is-azure-devops) Azure DevOps is Microsoft’s offering for companies to conduct modern software development with *continuous integration/continuous deployment (CI/CD)* ... ![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-azure-devops) [![What Are the Principles of Functional Programming?](https://blog.rheinwerk-computing.com/hs-fs/hubfs/What%20Are%20the%20Principles%20of%20Functional%20Programming.png?height=600&name=What%20Are%20the%20Principles%20of%20Functional%20Programming.png)](https://blog.rheinwerk-computing.com/what-are-the-principles-of-functional-programming) ## [What Are the Principles of Functional Programming?](https://blog.rheinwerk-computing.com/what-are-the-principles-of-functional-programming) Functional programming, like other programming paradigms, follows different principles or has special characteristics. These are essentially as... ![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-are-the-principles-of-functional-programming) [![What Are the Gestalt Principles?](https://blog.rheinwerk-computing.com/hs-fs/hubfs/What%20Are%20the%20Gestalt%20Principles.png?height=600&name=What%20Are%20the%20Gestalt%20Principles.png)](https://blog.rheinwerk-computing.com/what-are-the-gestalt-principles) ## [What Are the Gestalt Principles?](https://blog.rheinwerk-computing.com/what-are-the-gestalt-principles) What happens when design and perception come together? ![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-are-the-gestalt-principles) [![What Are the Most Popular Scripting Languages?](https://blog.rheinwerk-computing.com/hs-fs/hubfs/What%20Are%20the%20Most%20Popular%20Scripting%20Languages.png?height=600&name=What%20Are%20the%20Most%20Popular%20Scripting%20Languages.png)](https://blog.rheinwerk-computing.com/what-are-the-most-popular-scripting-languages) ## [What Are the Most Popular Scripting Languages?](https://blog.rheinwerk-computing.com/what-are-the-most-popular-scripting-languages) In purely formal terms, scripting languages differ from other, “higher-level” programming languages in that the code is interpreted. ![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-are-the-most-popular-scripting-languages) [![What Is Wireshark?](https://blog.rheinwerk-computing.com/hs-fs/hubfs/What%20Is%20Wireshark.png?height=600&name=What%20Is%20Wireshark.png)](https://blog.rheinwerk-computing.com/what-is-wireshark) ## [What Is Wireshark?](https://blog.rheinwerk-computing.com/what-is-wireshark) The open-source user interface Wireshark (formerly Ethereal) is a network protocol analysis program. ![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-wireshark) [![What Is USB Rubber Ducky?](https://blog.rheinwerk-computing.com/hs-fs/hubfs/What%20Is%20USB%20Rubber%20Ducky.png?height=600&name=What%20Is%20USB%20Rubber%20Ducky.png)](https://blog.rheinwerk-computing.com/what-is-usb-rubber-ducky) ## [What Is USB Rubber Ducky?](https://blog.rheinwerk-computing.com/what-is-usb-rubber-ducky) With its USB Rubber Ducky, the Hak5 company created a quasi-standard for USB attacks of all kinds. ![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-usb-rubber-ducky) [![What Is a Spring Container?](https://blog.rheinwerk-computing.com/hs-fs/hubfs/What%20Is%20a%20Spring%20Container%20(2).jpg?height=600&name=What%20Is%20a%20Spring%20Container%20(2).jpg)](https://blog.rheinwerk-computing.com/what-is-a-spring-container) ## [What Is a Spring Container?](https://blog.rheinwerk-computing.com/what-is-a-spring-container) At the heart of a Spring application is a special data structure, the Spring container (*container* for short). The objects that this container manages... ![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-a-spring-container) [![What Is the Double Diamond Model in Design Projects?](https://blog.rheinwerk-computing.com/hs-fs/hubfs/What%20Is%20the%20Double%20Diamond%20Model%20in%20Design%20Projects.png?height=600&name=What%20Is%20the%20Double%20Diamond%20Model%20in%20Design%20Projects.png)](https://blog.rheinwerk-computing.com/what-is-the-double-diamond-model-in-design-projects) ## [What Is the Double Diamond Model in Design Projects?](https://blog.rheinwerk-computing.com/what-is-the-double-diamond-model-in-design-projects) The Double Diamond model is another ideal approach to human-centered design projects. This model was developed in 2005 by the *British Design Council* ... ![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-double-diamond-model-in-design-projects) [![What Is React?](https://blog.rheinwerk-computing.com/hs-fs/hubfs/What%20Is%20React.png?height=600&name=What%20Is%20React.png)](https://blog.rheinwerk-computing.com/what-is-react) ## [What Is React?](https://blog.rheinwerk-computing.com/what-is-react) React is a library for implementing web frontends. However, React only covers the view layer—that is, the representation of the user interface. ![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-react) [![What Is a Bug Bounty Program?](https://blog.rheinwerk-computing.com/hs-fs/hubfs/What%20Is%20a%20Bug%20Bounty%20Program.png?height=600&name=What%20Is%20a%20Bug%20Bounty%20Program.png)](https://blog.rheinwerk-computing.com/what-is-a-bug-bounty-program) ## [What Is a Bug Bounty Program?](https://blog.rheinwerk-computing.com/what-is-a-bug-bounty-program) A *bug bounty program* is an established method of reporting security vulnerabilities to companies for several years running. ![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-a-bug-bounty-program) - - [1](https://blog.rheinwerk-computing.com/tag/what-is/page/1) - [2](https://blog.rheinwerk-computing.com/tag/what-is/page/2) - [3](https://blog.rheinwerk-computing.com/tag/what-is/page/3) - [4](https://blog.rheinwerk-computing.com/tag/what-is/page/4) - ### 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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