ArjanCodes

ArjanCodes is a comprehensive source that delves into various aspects of Python programming, machine learning, and AI applications. The content covers topics such as data augmentation for machine learning, Python scripts for everyday use, and the importance of speed in Python programming. Additionally, it explores the implementation of AI applications with short-term memory in databases, emphasizing the significance of context in maintaining conversation history. The source also discusses the challenges and solutions in architecting enterprise-level systems using advanced technologies like Spark, EMR, and Airflow. ArjanCodes provides valuable insights for both beginners and experienced professionals in the tech industry.

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Stop Mixing FastAPI with Business Logic: Fix It with Ports & Adapters

ArjanCodes

🧱 Build software that lasts. Join the Software Design Mastery waiting list → https://arjan.codes/mastery. In this video, I refactor a FastAPI + SQLAlchemy example into a clean Ports & Adapters (Hexag...

7 Weird Things You Can Do with Python Dataclasses

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🧑‍💻 Join the Software Design Mastery waitlist here: https://www.arjancodes.com/mastery. In this video, I show you 7 powerful and lesser-known things you can do with dataclasses in Python. From autom...

Python Properties vs Methods: The Contract You Didn’t Know You Were Making

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🧑‍💻 Join the Software Design Mastery waitlist here: https://www.arjancodes.com/mastery. In this video, I break down when something in Python should be a property and when it should be a method, and ...

CQRS in Python: Clean Reads, Clean Writes

ArjanCodes

💡 Check out MongoDB Atlas: https://www.mongodb.com/atlas. When your FastAPI list endpoint starts pulling full documents just to compute derived fields, it’s usually a sign your read and write models ...

The Fluent Interface Pattern: A Better Way to Design Python APIs

ArjanCodes

💡 Learn how to design great software in 7 steps: https://arjan.codes/designguide. In this video, I take a small but realistic Python animation API and refactor it step by step into a fluent interface...

10 Python Features You’re Not Using (But Really Should)

ArjanCodes

💡 Learn how to design great software in 7 steps: https://arjan.codes/designguide. Python has a lot of powerful features hiding in plain sight, and many developers never really use them. In this video...

This Pattern Is Horrifyingly Overengineered

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👉 Get real-time, search result data from Google, Youtube and more with SerpApi: https://serpapi.link/arjan-codes-jan-2025. Business rules have a nasty habit of spreading across your codebase: copied ...

7 Things You Didn’t Know Dataclasses Could Do

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💡 Learn how to design great software in 7 steps: https://arjan.codes/designguide. Dataclasses are often treated as nothing more than a shortcut for generating init methods, but there’s a lot more goi...

The Right Way to Use AI for Writing Maintainable Code

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🧱 Build software that lasts. Join the Software Design Mastery waiting list → https://arjan.codes/mastery. AI can write code, but without solid software design, it quickly turns into an unmaintainable...

I Fixed the Code and Made It Worse

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💡 Learn how to design great software in 7 steps: https://arjan.codes/designguide. In my previous video on refactoring complicated business logic, I made several mistakes and you spotted them. In this...

How to Tell If Your Code Is Actually Production-Ready

ArjanCodes

💡 Learn how to design great software in 7 steps: https://arjan.codes/designguide. Your code works locally: you’ve tested the endpoint, the numbers add up, and everything looks fine in the terminal. B...

Stop Your Code from Crashing: Use the Retry Pattern

ArjanCodes

👉 Get real-time, search result data from Google, Youtube and more with SerpApi: https://serpapi.link/arjan-codes. This video shows you how to stop your Python code from crashing when APIs, networks, ...