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Data Science Tutorials

Develop your data science skills with tutorials in our blog. We cover everything from intricate data visualizations in Tableau to version control features in Git.
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Data Science

Taylor Series: From Approximations to Optimization

Learn how polynomial approximations power gradient descent, XGBoost, and the functions your computer calculates every day.
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Dario Radečić

March 17, 2026

Artificial Intelligence

Gemini 3 Deep Think: A Guide to AI Reasoning

Discover how Google's newest specialized reasoning model can accelerate your data science workflows, interpret complex datasets, and write robust code.
Tim Lu's photo

Tim Lu

March 13, 2026

AI Agents

Codex CLI MCP Tutorial: Building a Portfolio Dashboard Agent

Break your AI coding agent out of its sandbox. Discover how to use Codex CLI and MCP to connect LLMs to live data, external tools, and multi-agent workflows.
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Nikhil Adithyan

March 12, 2026

Artificial Intelligence

Cursor Rules: How to Keep AI Aligned With Your Codebase

Learn how Cursor rules guide AI coding, from defining project-level context and file-matching patterns to maintaining accurate, up-to-date rules over time.
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Bex Tuychiev

March 11, 2026

Data Science

Laplacian Explained: From Calculus to ML

The Laplacian operator is one of the most widely used mathematical tools in modern machine learning. It’s behind spectral clustering, manifold learning, image edge detection, and graph-based algorithms.
Dario Radečić's photo

Dario Radečić

March 11, 2026

Artificial Intelligence

Universal Commerce Protocol Tutorial: Build Your First UCP Server

Learn what the Universal Commerce Protocol is, how it works, and how to build your first UCP server step by step.
Abid Ali Awan's photo

Abid Ali Awan

March 11, 2026

SQL

Correlated Subquery in SQL: How It Works with Examples

Learn how correlated subqueries do row-by-row comparisons in SQL. Discover use cases and how they differ from JOINs, window functions, or non-correlated queries.
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Allan Ouko

March 10, 2026

Artificial Intelligence

Fine-Tuning Qwen3.5 Small With QLoRA For News Classification

Learn how to fine-tune Qwen3.5-0.8B with QLoRA using a lightweight setup that delivers a strong boost in news classification performance.
Abid Ali Awan's photo

Abid Ali Awan

March 10, 2026

Excel

How to Count Words in Excel: 4 Easy Methods

Explore simple formulas, modern Excel functions, and newer AI tools to count words in Excel.
Laiba Siddiqui's photo

Laiba Siddiqui

March 9, 2026