Extending Polars: How to Write Custom Namespaces (The API for 2026)
As you become an expert in Polars, you will inevitably find yourself reusing the same complex expressions. Fortunately, one highly effective way to avoid endless…
Advanced Python Decorators: Passing Arguments to Your Wrappers
In our Basic Decorator Guide, we built a simple @log_decorator. But what if we want to configure the decorator itself? Like this: @repeat(times=5). Now it’s…
