--- title: Learn Computing from the Experts | The Rheinwerk Computing Blog (3) description: 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/) ![](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 Reinforcement Learning Is Used for in Machine Learning](https://blog.rheinwerk-computing.com/hs-fs/hubfs/What%20Reinforcement%20Learning%20Is%20Used%20For%20in%20Machine%20Learning.jpg?height=600&name=What%20Reinforcement%20Learning%20Is%20Used%20For%20in%20Machine%20Learning.jpg)](https://blog.rheinwerk-computing.com/what-reinforcement-learning-is-used-for-in-machine-learning) [Featured](https://blog.rheinwerk-computing.com/tag/featured) ## [What Reinforcement Learning Is Used for in Machine Learning](https://blog.rheinwerk-computing.com/what-reinforcement-learning-is-used-for-in-machine-learning) Most machine learning systems learn from examples: show the model enough labeled data, and it eventually figures out the pattern. But what happens... ![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-reinforcement-learning-is-used-for-in-machine-learning) [![LLM Model Selection: Key Criteria for Generative AI Projects](https://blog.rheinwerk-computing.com/hs-fs/hubfs/LLM%20Model%20Selection_%20Key%20Criteria%20for%20Generative%20AI%20Projects.jpg?height=600&name=LLM%20Model%20Selection_%20Key%20Criteria%20for%20Generative%20AI%20Projects.jpg)](https://blog.rheinwerk-computing.com/llm-model-selection-key-criteria-for-generative-ai-projects) [Featured](https://blog.rheinwerk-computing.com/tag/featured) ## [LLM Model Selection: Key Criteria for Generative AI Projects](https://blog.rheinwerk-computing.com/llm-model-selection-key-criteria-for-generative-ai-projects) How do you select the “right” LLM model for your task? This post explores the options to consider. ![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/llm-model-selection-key-criteria-for-generative-ai-projects) [![Why Event-Driven Architecture Is Used in Modern Software Design](https://blog.rheinwerk-computing.com/hs-fs/hubfs/Why%20Event-Driven%20Architecture%20Is%20Used%20in%20Modern%20Software%20Design.jpg?height=600&name=Why%20Event-Driven%20Architecture%20Is%20Used%20in%20Modern%20Software%20Design.jpg)](https://blog.rheinwerk-computing.com/why-event-driven-architecture-is-used-in-modern-software-design) [Featured](https://blog.rheinwerk-computing.com/tag/featured) ## [Why Event-Driven Architecture Is Used in Modern Software Design](https://blog.rheinwerk-computing.com/why-event-driven-architecture-is-used-in-modern-software-design) An *event-driven architecture (EDA)* is an architectural style based on the processing of *events*. ![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-event-driven-architecture-is-used-in-modern-software-design) [![How to Choose a Machine Learning Model for Your Project](https://blog.rheinwerk-computing.com/hs-fs/hubfs/How%20to%20Choose%20a%20Machine%20Learning%20Model%20for%20Your%20Project.jpg?height=600&name=How%20to%20Choose%20a%20Machine%20Learning%20Model%20for%20Your%20Project.jpg)](https://blog.rheinwerk-computing.com/how-to-choose-a-machine-learning-model-for-your-project) [Featured](https://blog.rheinwerk-computing.com/tag/featured) ## [How to Choose a Machine Learning Model for Your Project](https://blog.rheinwerk-computing.com/how-to-choose-a-machine-learning-model-for-your-project) Choosing the right machine learning model can feel overwhelming, especially when you're new to the field. ![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-choose-a-machine-learning-model-for-your-project) [![A Practical Introduction to Deep Learning: Concepts, Methods, and Applications](https://blog.rheinwerk-computing.com/hs-fs/hubfs/A%20Practical%20Introduction%20to%20Deep%20Learning_%20Concepts%2c%20Methods%2c%20and%20Applications.jpg?height=600&name=A%20Practical%20Introduction%20to%20Deep%20Learning_%20Concepts,%20Methods,%20and%20Applications.jpg)](https://blog.rheinwerk-computing.com/a-practical-introduction-to-deep-learning-concepts-methods-and-applications) [Featured](https://blog.rheinwerk-computing.com/tag/featured) ## [A Practical Introduction to Deep Learning: Concepts, Methods, and Applications](https://blog.rheinwerk-computing.com/a-practical-introduction-to-deep-learning-concepts-methods-and-applications) Deep learning is closely related to other terms, and that often leads to confusion. ![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-practical-introduction-to-deep-learning-concepts-methods-and-applications) [![How Machines Interpret Visual Data Using Neural Networks](https://blog.rheinwerk-computing.com/hs-fs/hubfs/How%20Machines%20Interpret%20Visual%20Data%20Using%20Neural%20Networks.jpg?height=600&name=How%20Machines%20Interpret%20Visual%20Data%20Using%20Neural%20Networks.jpg)](https://blog.rheinwerk-computing.com/how-machines-interpret-visual-data-using-neural-networks) [Featured](https://blog.rheinwerk-computing.com/tag/featured) ## [How Machines Interpret Visual Data Using Neural Networks](https://blog.rheinwerk-computing.com/how-machines-interpret-visual-data-using-neural-networks) Saying that a computer “looks at” an image is somewhat misleading. ![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-machines-interpret-visual-data-using-neural-networks) [![Security Awareness Training Scenarios, Part 2: Hardware Scavenger Hunt](https://blog.rheinwerk-computing.com/hs-fs/hubfs/Security%20Awareness%20Training%20Scenarios%2c%20Part%202_%20Hardware%20Scavenger%20Hunt.jpg?height=600&name=Security%20Awareness%20Training%20Scenarios,%20Part%202_%20Hardware%20Scavenger%20Hunt.jpg)](https://blog.rheinwerk-computing.com/security-awareness-training-scenarios-hardware-scavenger-hunt) [Featured](https://blog.rheinwerk-computing.com/tag/featured) ## [Security Awareness Training Scenarios, Part 2: Hardware Scavenger Hunt](https://blog.rheinwerk-computing.com/security-awareness-training-scenarios-hardware-scavenger-hunt) A hardware scavenger hunt turns security awareness training into an interactive exercise in which participants search the building for hidden devices... ![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/security-awareness-training-scenarios-hardware-scavenger-hunt) [![How What-If Analysis Helps with Decision-Making in Excel](https://blog.rheinwerk-computing.com/hs-fs/hubfs/How%20What-If%20Analysis%20Helps%20with%20Decision-Making%20in%20Excel.jpg?height=600&name=How%20What-If%20Analysis%20Helps%20with%20Decision-Making%20in%20Excel.jpg)](https://blog.rheinwerk-computing.com/how-what-if-analysis-helps-with-decision-making-in-excel) [Featured](https://blog.rheinwerk-computing.com/tag/featured) ## 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Here’s how VPNs and IPsec have your back! ![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/implementing-vpns-using-ips) - - [1](https://blog.rheinwerk-computing.com/page/1) - [2](https://blog.rheinwerk-computing.com/page/2) - [3](https://blog.rheinwerk-computing.com/page/3) - [4](https://blog.rheinwerk-computing.com/page/4) - [5](https://blog.rheinwerk-computing.com/page/5) - [...](https://blog.rheinwerk-computing.com/page/8) - [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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