I am a CTO with over 5 years of experience in start-up and over 10 years in working at managing position for big companies. I am also a full-stacks developer with over 12 years in system design, product development and technology product deployment. User experience and system security are the things I care about most.
How to Containerize and Deploy Your Node.js Applications
When you build a Node.js application, running it locally is simple. You type npm start, and it works. But when you need to run it on the cloud, things get complicated. You need to think about servers, environments, dependencies, and deployment pipelines. That’s where containerization comes in. Containers make your application portable and predictable. You […]
Machine Learning Tutorial: How to Program Without Creating Your Own Algorithms
Recreating the First Machine Learning Demo In 1958, Frank Rosenblatt demonstrated something remarkable to reporters in Washington, D.C. His “perceptron” could look at cards with shapes on them and tell which side the shape was on. The remarkable thing about this was that the system wasn’t explicitly programmed how to do this – it learned […]
Learn Databases and SQL from Harvard University
Are you ready to master the art of data management using one of the most essential languages in the world of computing? Introducing CS50 SQL, Harvard University’s focused video course dedicated to an introduction to databases using a language called SQL. This course is created by Carter Zenke, and offers a unique and immersive learning […]
React Project Tutorial – Build an AI Code Explainer
Want to learn how to combine React 19 and AI LLMs to build something handy? We just published a course on the freeCodeCamp.org YouTube channel that will teach you to build an AI-powered Code Explainer App from scratch. Tapas Adhikary created this course. Learn to design the app, configure an Express.js backend, set up a […]
The History of Deep Learning Vision Architectures
Have you ever wondered about the history of vision transformers? We just published a course on the freeCodeCamp.org YouTube channel that is a conceptual and architectural journey through deep learning vision models, tracing the evolution from LeNet and AlexNet to ResNet, EfficientNet, and Vision Transformers. Mohammed Al Abrah created this course. The course explains the […]
![From manufacturing worker to first developer job at age 43 with Thomas Gooch [Podcast #191]](https://truong.id/wp-content/uploads/2025/11/From-manufacturing-worker-to-first-developer-job-at-age-43.jpeg.webp "From manufacturing worker to first developer job at age 43 with Thomas Gooch [Podcast #191] 12")
From manufacturing worker to first developer job at age 43 with Thomas Gooch [Podcast #191]
He’s a self-taught software engineer who got his first developer job at age 43. He spent decades working in manufacturing while raising his kids, before using freeCodeCamp to learn programming. He was able to translate his JavaScript skills into working on enterprise Java apps, and now works at a semiconductor company. We talk about: What […]
How to Use the Compound Components Pattern in React: Prop Soup to Flexible UIs
Have you ever opened React project source code and wondered why things are so messy? Have you ever tried adding a feature to a React component created by someone else and felt that you needed to rewrite it? Have you felt nightmarish in tackling state and props for a component and its children? If you […]
How to Persist State in Time-Series Models with Docker and Redis
Have you ever built a brilliant time-series model, one that could forecast sales or predict stock prices, only to watch it fail in the real world? Well, this is a common frustration. Your model works perfectly on your machine, but the moment you deploy it in a Docker container, it seems to develop amnesia. It […]