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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How to Add Days to a Date in Excel: All Methods Explained
Learn how to add days to a date in Excel using simple arithmetic and functions like DATE(), EDATE(), and WORKDAY(), with practical examples and pitfalls to avoid.
Allan Ouko
January 22, 2026
How to Run GLM 4.7 Flash Locally
Learn how to run GLM-4.7-Flash on an RTX 3090 for fast local inference and integrating with OpenCode to build a fully local automated AI coding agent.
Abid Ali Awan
January 22, 2026
Python Write to File: How to Work With Text, CSV, and JSON Files Safely
Learn how to write to files in Python using built-in tools, common patterns, and best practices for real-world applications.
Oluseye Jeremiah
January 21, 2026
AgentGPT: A Guide to Browser-Based Autonomous AI Agents
Learn how to deploy autonomous AI agents directly from your browser using AgentGPT, and understand when you might want to look elsewhere.
Khalid Abdelaty
January 21, 2026
How to Fine-Tune FunctionGemma: A Step-by-Step Guide
Learn how to fine-tune FunctionGemma in under 10 minutes using Kaggle’s free GPUs, from dataset preparation and baseline evaluation to training and post-fine-tuning validation.
Abid Ali Awan
January 21, 2026
Ensemble Learning in Python: A Hands-On Guide to Random Forest and XGBoost
Learn ensemble learning with Python. This hands-on tutorial covers bagging vs boosting, Random Forest, and XGBoost with code examples on a real dataset.
Bex Tuychiev
January 21, 2026
Qwen-Image-Layered: A Hands-On Guide to Image Decomposition
Learn to automate image editing with Python. Use Qwen-Image-Layered to decompose images into editable RGBA layers and rebuild them in a Streamlit app.
Bex Tuychiev
January 19, 2026
Claude Code Hooks: A Practical Guide to Workflow Automation
Learn how hook-based automation works and get started using Claude Code hooks to automate coding tasks like testing, formatting, and receiving notifications.
Bex Tuychiev
January 19, 2026
SQL Data Types: Essential Guide for Beginners
Master SQL data types in MySQL, PostgreSQL & SQL Server. Learn to choose the right numeric, text, and date formats to optimize performance and data integrity.
Amberle McKee
January 19, 2026
MongoDB Indexing Best Practices: Performance Tips & Tricks
Learn about how to create MongoDB indexes and some tips and tricks to get the best performance out of them.
Nic Raboy
January 19, 2026
Docker Mount: Volumes, Bind Mounts, and tmpfs Explained
Docker mounts connect containers to persistent storage through three types - volumes for production data, bind mounts for development workflows, and tmpfs for temporary files.
Dario Radečić
January 16, 2026
SQL ON DELETE RESTRICT: Prevent Accidental Data Loss
Understand how SQL ON DELETE RESTRICT protects data integrity. Learn how it blocks unsafe deletes and when to choose it over CASCADE or SET NULL rules.
Allan Ouko
January 16, 2026