px.imshow Heatmap Squashed? Fix the Aspect Ratio in One Line
px.imshow keeps every cell square by default, so a wide matrix becomes a thin strip. One argument fixes it, and here is what else to know about size, zoom and go.Heatmap.
Data Science
Data science with Python: data visualization with Matplotlib, Seaborn and Plotly, machine-learning basics such as decision trees, and working with large language models.
12 Prompt Engineering Techniques That Still Matter in 2026
Most prompt engineering advice was written for models that no longer exist. Here’s what still works.
AgentVerse Multi-Agent Framework: Paper, Code & Setup
How multiple AI agents team up to solve problems no single LLM can handle.
How to Master LangChain Agents with ReAct: Definitive Guide
A complete walkthrough of the ReAct pattern teaching LLMs to reason and act with LangChain.
Ultimate Guide to Data Visualization in Python: Exploring the Top 3 Libraries
Turn messy datasets into clear, compelling charts with Python’s three most powerful libraries.
Zero to Mastery Decision Tree Guide to Move in Data Science
Everything you need to understand decision trees, the simple, powerful algorithm to start with.