How to Fix: AttributeError: ‘int’ object has no attribute ‘x’
This is a fundamental AttributeError that means: “You are trying to use a method (like .append() or .lower()) on a simple number (an integer).” This…
A Deep Dive into the Polars Expression API (pl.Expr)
We’ve used the Polars Expression API a lot. But what is an expression? An expression, or pl.Expr, is a recipe for a calculation. It’s not…
AI Project: Quantization for Faster Models (Hugging Face optimum)
You’ve built amazing AI models, but they’re huge and slow. A model like gpt-2 can be 500MB+ and slow to run on a CPU. Hugging…
How to Fix: AttributeError: ‘NoneType’ object has no attribute ‘get’
This error is a more advanced version of the typical KeyError. the AttributeError NoneType get, means: “You tried to use the .get() method, but the…
Polars Lazy API: collect(), fetch(), and describe_plan()
So far, we’ve used Polars in “Eager” mode (like Pandas), where df.filter() runs immediately. However, the Polars Lazy API offers a different approach to working…
AI Project: Image Generation with Stable Diffusion (Hugging Face)
This is the project you’ve been waiting for. We’re going to write a Python script that generates a unique image from a text prompt (e.g.,…
How to Fix: ValueError: list.remove(x): x not in list
This is a common ValueError that occurs when you try to remove an item from a list, but that item isn’t in the list. The…
How to Create a User Profile Model in Django (OneToOneField)
You have a Django User model, but it only has username, email, etc. What if you want to add a bio, a profile_picture, or a…
AI Project: Create Text Embeddings with Hugging Face (Sentence Transformers)
This is one of the most powerful concepts in modern AI. In particular, Hugging Face Text Embeddings are an innovative way to use embeddings today….
How to Fix: TypeError: ‘float’ object is not iterable
This error is a direct cousin of TypeError: ‘int’ object is not iterable. It means: “You tried to use a for loop on a single…
