--- title: Learn Computing from the Experts | The Rheinwerk Computing Blog (10) description: Dive into programming, web development, and more with Rheinwerk Computing Blog! Your go-to resource for expanding your computing knowledge. (10) --- [![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 [![Getting Started with Amazon ECS: Simplifying Docker Container Management in the Cloud](https://blog.rheinwerk-computing.com/hs-fs/hubfs/Getting%20Started%20with%20Amazon%20ECS_%20Simplifying%20Docker%20Container%20Management%20in%20the%20Cloud.jpg?height=600&name=Getting%20Started%20with%20Amazon%20ECS_%20Simplifying%20Docker%20Container%20Management%20in%20the%20Cloud.jpg)](https://blog.rheinwerk-computing.com/getting-started-with-amazon-ecs-simplifying-docker-container-management-in-the-cloud) [DevOps](https://blog.rheinwerk-computing.com/tag/devops) ## [Getting Started with Amazon ECS: Simplifying Docker Container Management in the Cloud](https://blog.rheinwerk-computing.com/getting-started-with-amazon-ecs-simplifying-docker-container-management-in-the-cloud) Discover how Amazon Elastic Container Service (ECS) streamlines the deployment and management of Docker containers in the cloud, offering scalability... ![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-amazon-ecs-simplifying-docker-container-management-in-the-cloud) [![How to Install the PHP Extension Library PEAR](https://blog.rheinwerk-computing.com/hs-fs/hubfs/How%20to%20Install%20the%20PHP%20Extension%20Library%20PEAR.jpg?height=600&name=How%20to%20Install%20the%20PHP%20Extension%20Library%20PEAR.jpg)](https://blog.rheinwerk-computing.com/how-to-install-the-php-extension-library-pear) [Programming Languages](https://blog.rheinwerk-computing.com/tag/programming-languages) ## [How to Install the PHP Extension Library PEAR](https://blog.rheinwerk-computing.com/how-to-install-the-php-extension-library-pear) PEAR is the PHP extension library. PEAR contains all the extensions that are written in PHP. ![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-the-php-extension-library-pear) [![What Is an LLM?](https://blog.rheinwerk-computing.com/hs-fs/hubfs/What%20Is%20an%20LLM.jpg?height=600&name=What%20Is%20an%20LLM.jpg)](https://blog.rheinwerk-computing.com/what-is-an-llm) [Artificial Intelligence](https://blog.rheinwerk-computing.com/tag/artificial-intelligence) ## [What Is an LLM?](https://blog.rheinwerk-computing.com/what-is-an-llm) Large language models (LLMs) are a special case of neural networks that are specifically optimized for dealing with language. ![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-an-llm) [![Testing Your React Components with Jest: A Quick Guide](https://blog.rheinwerk-computing.com/hs-fs/hubfs/Testing%20Your%20React%20Components%20with%20Jest_%20A%20Quick%20Guide.jpg?height=600&name=Testing%20Your%20React%20Components%20with%20Jest_%20A%20Quick%20Guide.jpg)](https://blog.rheinwerk-computing.com/testing-your-react-components-with-jest-a-quick-guide) [Web Development](https://blog.rheinwerk-computing.com/tag/web-development) ## [Testing Your React Components with Jest: A Quick Guide](https://blog.rheinwerk-computing.com/testing-your-react-components-with-jest-a-quick-guide) When testing a component, you basically proceed in the same way as for an ordinary unit test: you prepare the environment, you perform an operation,... ![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/testing-your-react-components-with-jest-a-quick-guide) [![What Is Borrowing in Rust Programming?](https://blog.rheinwerk-computing.com/hs-fs/hubfs/What%20Is%20Borrowing%20in%20Rust%20Programming_.jpg?height=600&name=What%20Is%20Borrowing%20in%20Rust%20Programming_.jpg)](https://blog.rheinwerk-computing.com/what-is-borrowing-in-rust-programming) ## [What Is Borrowing in Rust Programming?](https://blog.rheinwerk-computing.com/what-is-borrowing-in-rust-programming) A fundamental concept in Rust’s ownership system, *borrowing* allows multiple parts of a program to interact with data safely and efficiently. ![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-borrowing-in-rust-programming) [![How to Manipulate Schema in SQL](https://blog.rheinwerk-computing.com/hs-fs/hubfs/How%20to%20Manipulate%20Schema%20in%20SQL.jpg?height=600&name=How%20to%20Manipulate%20Schema%20in%20SQL.jpg)](https://blog.rheinwerk-computing.com/how-to-manipulate-schema-in-sql) [Programming Languages](https://blog.rheinwerk-computing.com/tag/programming-languages) ## [How to Manipulate Schema in SQL](https://blog.rheinwerk-computing.com/how-to-manipulate-schema-in-sql) Schema manipulation in SQL follows a template similar to that of database manipulation. ![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-manipulate-schema-in-sql) [![Prototypes in UX: Types and Best Practices](https://blog.rheinwerk-computing.com/hs-fs/hubfs/Prototypes%20in%20UX_%20Types%20and%20Best%20Practices.jpg?height=600&name=Prototypes%20in%20UX_%20Types%20and%20Best%20Practices.jpg)](https://blog.rheinwerk-computing.com/prototypes-in-ux-types-and-best-practices) [Software Development](https://blog.rheinwerk-computing.com/tag/software-development) ## [Prototypes in UX: Types and Best Practices](https://blog.rheinwerk-computing.com/prototypes-in-ux-types-and-best-practices) By *prototype* in the field of data-driven UX design, we mean a fast and simulated implementation of the solution idea. We agree with all approaches... ![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/prototypes-in-ux-types-and-best-practices) [![How to Read and Write Files in Python](https://blog.rheinwerk-computing.com/hs-fs/hubfs/How%20to%20Read%20and%20Write%20Files%20in%20Python.jpg?height=600&name=How%20to%20Read%20and%20Write%20Files%20in%20Python.jpg)](https://blog.rheinwerk-computing.com/how-to-read-and-write-files-in-python) [Python](https://blog.rheinwerk-computing.com/tag/python) ## [How to Read and Write Files in Python](https://blog.rheinwerk-computing.com/how-to-read-and-write-files-in-python) In this post, we’ll teach you how to read and write files using Python. ![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-read-and-write-files-in-python) [![What Is the Jakarta Persistence Entity Bean?](https://blog.rheinwerk-computing.com/hs-fs/hubfs/What%20Is%20the%20Jakarta%20Persistence%20Entity%20Bean.jpg?height=600&name=What%20Is%20the%20Jakarta%20Persistence%20Entity%20Bean.jpg)](https://blog.rheinwerk-computing.com/what-is-the-jakarta-persistence-entity-bean) [Java](https://blog.rheinwerk-computing.com/tag/java) ## [What Is the Jakarta Persistence Entity Bean?](https://blog.rheinwerk-computing.com/what-is-the-jakarta-persistence-entity-bean) Entity beans, also known as persistent objects, have a key property that distinguishes ![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-jakarta-persistence-entity-bean) [![What Is a Click Dummy in Web Design?](https://blog.rheinwerk-computing.com/hs-fs/hubfs/What%20Is%20a%20Click%20Dummy%20in%20Web%20Design.png?height=600&name=What%20Is%20a%20Click%20Dummy%20in%20Web%20Design.png)](https://blog.rheinwerk-computing.com/what-is-a-click-dummy-in-web-design) [Web Development](https://blog.rheinwerk-computing.com/tag/web-development) ## [What Is a Click Dummy in Web Design?](https://blog.rheinwerk-computing.com/what-is-a-click-dummy-in-web-design) When you present a screen flow for evaluation by a group of users, most people will have a tough time imagining how using the tool will feel to them... ![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-click-dummy-in-web-design) - - [1](https://blog.rheinwerk-computing.com/page/1) - [...](https://blog.rheinwerk-computing.com/page/5) - [8](https://blog.rheinwerk-computing.com/page/8) - [9](https://blog.rheinwerk-computing.com/page/9) - [10](https://blog.rheinwerk-computing.com/page/10) - [11](https://blog.rheinwerk-computing.com/page/11) - [12](https://blog.rheinwerk-computing.com/page/12) - [...](https://blog.rheinwerk-computing.com/page/15) - [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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