Today Quincy Larson interviews Sumit Saha, a software engineer and prolific teacher on YouTube. Sumit is based in Dhaka, Bangladesh, where he runs a developer agency building projects for clients throughout Asia. We talk about: How the hunger for learning is dying and people are increasingly drawn to shortcuts over taking the time to truly […]
Daily Archives: January 24, 2026
The singleton pattern ensures that a class has exactly one instance throughout your application. You’ve probably seen it in configuration managers, database connections, or logging systems. While singletons seem useful, they often create more problems than they solve. In this tutorial, I’ll show you how to implement singletons in Python, explain when they might be […]
Building AI today is about more than just a clever prompt. If you really want to move from playing with standalone tools to creating integrated systems that actually work with your data, our new crash course on the freeCodeCamp.org YouTube channel is exactly where you need to start. Mastering RAG (Retrieval Augmented Generation) Everyone is […]
These days it feels almost impossible to keep up with tech news. I step away for three days, and suddenly there is a new AI model, a new framework, and a new tool everyone says I must learn. Reading everything no longer scales, but I still want to stay informed. So I decided to change […]
Dynamic programming (DP) is often considered one of the most intimidating topics in coding interviews. It has a reputation for being abstract and counterintuitive, but it doesn’t have to be. We just published a comprehensive Dynamic Programming course on the freeCodeCamp.org YouTube channel that uses a visual-first approach to learn these complex algorithms. Created by […]