Product Experimentation with Propensity Scores: Causal Inference for LLM-Based Features in Python
Rudrendu Paul |
Every product experimentation team running causal inference on LLM-based features eventually hits the same wall: when users click "Try our AI assistant," the volunteers aren't a random sample. Your pr... read more
How to Build a Multi-Agent AI System with LangGraph, MCP, and A2A [Full Book]
Sandeep Bharadwaj Mannapur |
Building a single AI agent that answers questions or runs searches is a solved problem. A handful of tutorials and a few hours of work will get you there. What most tutorials skip is the engineering l... read more
How to Land Your First Cloud or DevOps Role: What Hiring Managers Actually Look For
Tolani Akintayo |
You've completed three AWS courses. You have notes from a dozen Docker tutorials. You know what Kubernetes is, what CI/CD means, and you can explain Infrastructure as Code without hesitating. And yet... read more
How to Deploy a Serverless Spam Classifier Using Scikit-Learn, AWS Lambda, & API Gateway
Rakshath Naik |
In today's digital world, spam is no longer just an annoyance - it's a growing security threat. To combat this, developers often turn to machine learning to build intelligent filters that can distingu... read more
How to Dockerize a Go Application – Full Step-by-Step Walkthrough
Njong Emy |
Imagine that you want to share your source code with someone who doesn’t have Go installed on their computer. Unfortunately, this person won’t be able to run your application. Even if they do have Go... read more
Learn Hardware, Cloud, DevOps, Networking, Security, Databases, DNS, Git, and Linux
Beau Carnes |
Ready to dive into IT but don’t know where to start? freeCodeCamp just dropped the Ultimate IT Fundamentals Bootcamp For Absolute Beginners course. This is a a brand new, full-length course created by... read more
Inside Stanford’s Elite Student Hackathon [Full Documentary]
Beau Carnes |
Are you ready to be inspired by the next generation of tech innovators? freeCodeCamp.org just dropped a new documentary on our YouTube channel that dives deep into Stanford’s TreeHacks 2026, one of th... read more
How to Measure Your AI Citation Rate Across ChatGPT, Perplexity, and Claude
Chudi Nnorukam |
Most sites think they're getting AI citations because their brand shows up in ChatGPT answers, but they're not. Visibility and citation are different numbers, and the gap between them is where the lea... read more
How to Deploy a Full-Stack Next.js App on Cloudflare Workers with GitHub Actions CI/CD
Md Tarikul Islam |
I typically build my projects using Next.js 14 (App Router) and Supabase for authentication along with Postgres. The default deployment choice for a Next.js app is usually Vercel, and for good reason:... read more
How to Build a Multi-Tenant SaaS Platform with Next.js, Express, and Prisma
Michael Okolo |
Have you ever wondered how platforms like Webflow, Notion, or Hashnode serve thousands of users from a single codebase — each with their own unique URL? The answer is multi-tenancy: an architecture wh... read more