Polars and Excel: The Fast Way to Read .xlsx Files (2026 Guide)
While Parquet is the fastest format, the business world runs on Excel. Polars read Excel Via a read_excel function to load these files directly into…
AI Project: How to Generate Speech (Text-to-Speech) with Hugging Face
This is the final piece of the audio puzzle. We’ve used Whisper to transcribe speech, now let’s generate it. The tool Hugging Face Text to…
AI Project: Document Question Answering (Hugging Face LayoutLM)
The Hugging Face Document AI is one of the most commercially valuable AI tasks. We’re moving beyond simple OCR (which just dumps text) to an…
Time-Series in Polars: group_by_rolling for Window Analysis
We’ve covered two types of window functions in Polars. Now, we’ll look at how to use Polars group_by_rolling functionality. group_by_rolling() is the third type. It’s…
AI Project: Zero-Shot Image Classification (Hugging Face CLIP)
This is one of the most powerful and flexible AI tasks, the visual version of Zero-Shot Text Classification. Zero-Shot Image Classification is revolutionising how AI…
Polars List Comprehensions: The .list.eval() Method
What if you have a column that contains lists, and you want to perform an operation on every item inside every list? In these situations,…
How to Find the Best Models on the Hugging Face Hub (A 2026 Guide)
We’ve used the Hugging Face pipeline many times. But how do you know which model name to use? How do you find a model to…
How to Find and Remove Duplicate Rows in Polars (2026 Guide)
Duplicate data is a silent killer for analysis and machine learning. Polars provides high-speed, easy-to-use methods for finding and removing duplicate rows. The Setup Let’s…
AI Project: Manual Text Translation (Seq2Seq Model)
In a previous Hugging Face project, we used the translation pipeline, which is fast and easy. But what if you need more control? Or want…
Polars Data Types: How to cast and Convert Columns
When you load a CSV, Polars (and Pandas) often guesses the data types. Sometimes, it guesses wrong, loading a number column (like 5.0) as a…
