Data Science Tutorials

Learn how ChatGPT Apps work, explore real examples like Spotify and Zillow integrations, and discover how developers can build their own using the ChatGPT Apps SDK.

Use Docling to convert messy PDFs into structured, searchable data. Integrate LangGraph for retrieval-augmented reasoning and Streamlit for an interactive front end. Build, test, and deploy a local Document Intelligence App that feels like your own private ChatGPT for documents.

Learn how to refresh your PivotTables manually, with keyboard shortcuts, or automatically in both Excel and Google Sheets.

Understand the core principles of Zero Trust Architecture and how it reshapes enterprise cybersecurity. Learn how to implement ZTA to secure users, applications, and infrastructure in today’s cloud-first, hybrid world.

Load balancing keeps modern apps fast, available, and scalable by distributing work across servers. This article breaks down how it works, why it matters, and what trade-offs come with it.

Learn how to use Git hooks to automate tasks, enforce code standards, and secure your workflow with pre-commit, pre-push, and server-side hooks.

Learn how to use Gemini 2.5 Computer Use to build an AI-powered job search agent. This hands-on tutorial walks you through browser automation with Playwright and Streamlit, no APIs required.

Learn how to use OpenAI AgentKit to automate GitHub issue reviews with AI agents that classify, detect duplicates, and summarize reports.

This guide shows how to unhide rows in Excel using shortcuts, menu options, and VBA. You’ll also learn tips to troubleshoot common problems and keep your data visible and easy to work with.

Learn the mathematical foundations, parameter estimation techniques, and diverse applications of this probability distribution across engineering, medicine, and environmental sciences.

Count in Python fast, validate data, and avoid common mistakes with Counter, count(), and pandas

Learn the mathematical foundations of z-scores, explore practical calculation methods, and discover applications across statistics and data science.