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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The State Pattern in Python - I Like How This Turned Out

ArjanCodes

🧱 Build software that lasts. Join the Software Design Mastery waiting list → https://arjan.codes/mastery. The classic State design pattern is often implemented with many small classes and heavy inher...

I Used To Hate Python

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🧱 Build software that lasts. Join the Software Design Mastery waiting list → https://arjan.codes/mastery. In this video, I explain what I didn’t like about Python when I first encountered it. From in...

Why “Clean Code” Often Creates Worse Designs

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→ Get started with Hostinger today: http://hostinger.com/arjancodes (make sure to use coupon ARJANCODES). In this video, I refactor a small Python program that looks clean on the surface but hides a m...

Why Does @property Work? A Deep Dive into Python Descriptors

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🧱 Build software that lasts. Join the Software Design Mastery waiting list → https://arjan.codes/mastery. In this video, I explain what descriptors are, why attribute access in Python sometimes behav...

The Value Object Pattern: The Most Underrated Design Tool in Python

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🧱 Build software that lasts. Join the Software Design Mastery waiting list → https://arjan.codes/mastery. In this video, I show how to use the Value Object pattern in Python to model prices, percenta...

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

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🧱 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

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💡 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

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💡 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)

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💡 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 ...