How to Implement the Strategy Pattern in Python
Bala Priya C |
Have you ever opened a food delivery app and chosen between "fastest route", "cheapest option", or "fewest stops"? Or picked a payment method at checkout like credit card, PayPal, or wallet balance? B... read more
A Comprehensive Guide to Financial Storytelling using Data Visualization
Nikhil Adithyan |
In any analysis project, raw tables of numbers often don’t tell the full story. Visualisations simplify complexity by transforming data into shapes that our brains can quickly understand, emphasising... read more
How to Build an Autonomous AI Agent with n8n and Decapod
Lee Nathan |
I tried out Open Claw two weeks ago. I loved the potential, but did not enjoy the tool itself. I, like many others, struggled with the installation process. And working from Linux, the Mac specific or... read more
How to Build a Serverless RAG Pipeline on AWS That Scales to Zero
Christopher Galliart |
Most RAG tutorials end the same way: you've got a working prototype and a bill for a vector database that runs whether anyone's querying it or not. Add an always-on embedding service, a hosted LLM end... read more
CI/CD in Production with Jenkins
Beau Carnes |
Automation is no longer just a "nice-to-have" skill, it powers modern software development. To help you master automation and CI/CD, we’ve just released a massive 17-hour Jenkins course on the freeCod... read more
How to Use Flex in Tailwind CSS and Justify Flex Items
Ajay Patel |
Hey there! If you're building modern web interfaces, chances are you've already fallen in love with Tailwind CSS for its speed and flexibility. One of the most powerful tools in Tailwind's arsenal is... read more
Learn how to fine-tune LLMs in 12 hours
Beau Carnes |
The goal isn't just to train a model; it's to build a system that understands your specific data as well as you do. We just posted a massive, 12-hour course on the freeCodeCamp.org YouTube channel des... read more
How to Build a Spam Email Detector with Python and Naive Bayes Classifier
Maku Gideon |
Ever wondered how Gmail knows that an email promising you $10 million is spam? Or how it catches those "You've won a free iPhone!" messages before they reach your inbox? In this tutorial, you'll build... read more
How to Find the Top-K Items: Heap and Streaming Approaches in Go
Gabor Koos |
Finding the top K items in a dataset pops up everywhere: from highlighting the hottest posts in a social feed, to detecting the largest transactions in a financial system, or spotting the heaviest use... read more
How to Build an MCP Server with Python, Docker, and Claude Code
Balajee Asish Brahmandam |
Every MCP tutorial I've found so far has followed the same basic script: build a server, point Claude Desktop at it, screenshot the chat window, done. This is fine if you want a demo. But it's not fin... read more