--- title: Learn Computing from the Experts | The Rheinwerk Computing Blog (27) description: Dive into programming, web development, and more with Rheinwerk Computing Blog! Your go-to resource for expanding your computing knowledge. (27) --- [![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/Ethics%2c%20Legal%20Framework%2c%20and%20Authority%20Boundaries%20of%20OSINT.jpg?width=1000&name=Ethics,%20Legal%20Framework,%20and%20Authority%20Boundaries%20of%20OSINT.jpg) [Featured](https://blog.rheinwerk-computing.com/tag/featured) | Featured article ## [Ethics, Legal Framework, and Authority Boundaries of OSINT](https://blog.rheinwerk-computing.com/ethics-legal-framework-and-authority-boundaries-of-osint) No matter how advanced the technical capabilities of OSINT become, it must be placed within a proper ethical and legal framework. ![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/ethics-legal-framework-and-authority-boundaries-of-osint) # Latest Blog Posts [![Git’s Significance in Software Development](https://blog.rheinwerk-computing.com/hs-fs/hubfs/Git%E2%80%99s%20Significance%20in%20Software%20Development.png?height=600&name=Git%E2%80%99s%20Significance%20in%20Software%20Development.png)](https://blog.rheinwerk-computing.com/gits-significance-in-software-development) [DevOps](https://blog.rheinwerk-computing.com/tag/devops) ## [Git’s Significance in Software Development](https://blog.rheinwerk-computing.com/gits-significance-in-software-development) In modern software development, collaboration among developers and efficient tracking of codebase changes pose significant challenges. ![Gia Radnai](https://blog.rheinwerk-computing.com/hubfs/Gia%20Radnai.png) by [Gia Radnai](https://blog.rheinwerk-computing.com/author/gia-radnai) [Read More](https://blog.rheinwerk-computing.com/gits-significance-in-software-development) [![Auditing with Spring](https://blog.rheinwerk-computing.com/hs-fs/hubfs/Auditing%20with%20Spring.png?height=600&name=Auditing%20with%20Spring.png)](https://blog.rheinwerk-computing.com/auditing-with-spring) [Java](https://blog.rheinwerk-computing.com/tag/java) ## [Auditing with Spring](https://blog.rheinwerk-computing.com/auditing-with-spring) When accessing databases, it’s occasionally important to determine who made a change to an entity and when. The recording of this metadata is called *...* ![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/auditing-with-spring) [![Adversarial Attacks in User Authentication: AI-Based Defense Mechanisms](https://blog.rheinwerk-computing.com/hs-fs/hubfs/Adversarial%20Attacks%20in%20User%20Authentication%20AI-Based%20Defense%20Mechanisms.png?height=600&name=Adversarial%20Attacks%20in%20User%20Authentication%20AI-Based%20Defense%20Mechanisms.png)](https://blog.rheinwerk-computing.com/adversarial-attacks-in-user-authentication-ai-based-defense-mechanisms) [Cybersecurity](https://blog.rheinwerk-computing.com/tag/cybersecurity) ## [Adversarial Attacks in User Authentication: AI-Based Defense Mechanisms](https://blog.rheinwerk-computing.com/adversarial-attacks-in-user-authentication-ai-based-defense-mechanisms) In the rapidly evolving digital landscape, the security and integrity of user authentication systems have become paramount. ![Ben Hartwig](https://blog.rheinwerk-computing.com/hubfs/Ben%20Hartwig.jpg) by [Ben Hartwig](https://blog.rheinwerk-computing.com/author/ben-hartwig) [Read More](https://blog.rheinwerk-computing.com/adversarial-attacks-in-user-authentication-ai-based-defense-mechanisms) [![The Most Important Terms and Concepts of the React World](https://blog.rheinwerk-computing.com/hs-fs/hubfs/The%20Most%20Important%20Terms%20and%20Concepts%20of%20the%20React%20World-1.png?height=600&name=The%20Most%20Important%20Terms%20and%20Concepts%20of%20the%20React%20World-1.png)](https://blog.rheinwerk-computing.com/the-most-important-terms-and-concepts-of-the-react-world) [JavaScript](https://blog.rheinwerk-computing.com/tag/javascript) ## [The Most Important Terms and Concepts of the React World](https://blog.rheinwerk-computing.com/the-most-important-terms-and-concepts-of-the-react-world) Development of a React application is sometimes very different from that of traditional 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/the-most-important-terms-and-concepts-of-the-react-world) [![How to Make Web Tables Accessible for Everyone](https://blog.rheinwerk-computing.com/hs-fs/hubfs/How%20to%20Make%20Web%20Tables%20Accessible%20for%20Everyone.png?height=600&name=How%20to%20Make%20Web%20Tables%20Accessible%20for%20Everyone.png)](https://blog.rheinwerk-computing.com/how-to-make-web-tables-accessible-for-everyone) [HTML & CSS](https://blog.rheinwerk-computing.com/tag/html-css) ## [How to Make Web Tables Accessible for Everyone](https://blog.rheinwerk-computing.com/how-to-make-web-tables-accessible-for-everyone) Basically, the HTML elements available for defining tables are semantic elements. ![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-make-web-tables-accessible-for-everyone) [![The Component Lifecycle in React](https://blog.rheinwerk-computing.com/hs-fs/hubfs/The%20Component%20Lifecycle%20in%20React.png?height=600&name=The%20Component%20Lifecycle%20in%20React.png)](https://blog.rheinwerk-computing.com/the-component-lifecycle-in-react) [Software Development](https://blog.rheinwerk-computing.com/tag/software-development) ## [The Component Lifecycle in React](https://blog.rheinwerk-computing.com/the-component-lifecycle-in-react) When you implement components in React, situations can occur in which you have to intervene in the component's lifecycle at different points in time. ![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-component-lifecycle-in-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?](https://blog.rheinwerk-computing.com/tag/what-is) ## [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) [![Java Programming with Docker](https://blog.rheinwerk-computing.com/hs-fs/hubfs/Java%20Programming%20with%20Docker.png?height=600&name=Java%20Programming%20with%20Docker.png)](https://blog.rheinwerk-computing.com/java-programming-with-docker) [Java](https://blog.rheinwerk-computing.com/tag/java) ## [Java Programming with Docker](https://blog.rheinwerk-computing.com/java-programming-with-docker) For many years, Java has been the number one in the *TIOBE index* of the most commonly used programming languages. ![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/java-programming-with-docker) [![Tools for Full Stack Developers](https://blog.rheinwerk-computing.com/hs-fs/hubfs/Tools%20for%20Full%20Stack%20Developers.png?height=600&name=Tools%20for%20Full%20Stack%20Developers.png)](https://blog.rheinwerk-computing.com/tools-for-full-stack-developers) [Web Development](https://blog.rheinwerk-computing.com/tag/web-development) ## [Tools for Full Stack Developers](https://blog.rheinwerk-computing.com/tools-for-full-stack-developers) For web application development, you need the right tools to make your work easier. Without the right tools, development would be a lot more time... ![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/tools-for-full-stack-developers) [![How to Create Link-Sensitive Graphics Like Image Maps with HTML](https://blog.rheinwerk-computing.com/hs-fs/hubfs/How%20to%20Create%20Link-Sensitive%20Graphics%20Like%20Image%20Maps%20with%20HTML.png?height=600&name=How%20to%20Create%20Link-Sensitive%20Graphics%20Like%20Image%20Maps%20with%20HTML.png)](https://blog.rheinwerk-computing.com/how-to-create-link-sensitive-graphics-like-image-maps-with-html) [HTML & CSS](https://blog.rheinwerk-computing.com/tag/html-css) ## [How to Create Link-Sensitive Graphics Like Image Maps with HTML](https://blog.rheinwerk-computing.com/how-to-create-link-sensitive-graphics-like-image-maps-with-html) Link-sensitive graphics (also called *image maps*) are just links embedded within a graphic. Such an image map defined in HTML consists of three parts. ![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-link-sensitive-graphics-like-image-maps-with-html) - - [1](https://blog.rheinwerk-computing.com/page/1) - [...](https://blog.rheinwerk-computing.com/page/22) - [25](https://blog.rheinwerk-computing.com/page/25) - [26](https://blog.rheinwerk-computing.com/page/26) - [27](https://blog.rheinwerk-computing.com/page/27) - [28](https://blog.rheinwerk-computing.com/page/28) - [29](https://blog.rheinwerk-computing.com/page/29) - [...](https://blog.rheinwerk-computing.com/page/30) - [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. 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