freeCodeCamp

Retrieval-Augmented Generation, commonly known as RAG, has become one of the most widely used approaches for building applications with large language models. Instead of asking an LLM to answer entire... read more

When you maintain a document for someone else, such as a résumé, a one-page portfolio, or a printable menu, the bottleneck is rarely the layout. It's the edit loop. Every small change ("move this bull... read more

In this tutorial, I'll show you how to trace and monitor a local AI agent with LangSmith. We'll build a small local AI agent and then enable LangSmith tracing for it so that we can inspect model calls... read more

Most segmentation tutorials begin by choosing a model, feeding images into it, and tuning hyperparameters until the metric improves. But this skips the step that often matters most: understanding the... read more

A date and time picker is one of those components that looks small in a design file and turns into a real time sink once you start building it. You need a calendar, a time selector, a state that keeps... read more

Most prompt engineering tutorials follow the same shape. Install the SDK, paste your API key, call generateContent, and print the response. The model says something plausible and the tutorial ends. Th... read more

You asked the AI to write a function. It gave you something that looks right. It even runs. But is it actually good? Most engineers stop there. They see green and move on. That habit will quietly caus... read more

When people think of Geoffrey Hinton, they usually think of backpropagation, Boltzmann Machines, Deep Belief Networks, or the deep learning revolution that transformed artificial intelligence. But few... read more

In this tutorial, I’ll show you how to serve a multi-user local AI agent as a REST API using FastAPI, then add a lightweight Streamlit UI on top. Instead of interacting with the agent through a termin... read more

Not every AI feature needs a cloud model, with its per-token bills, network round-trips, and private data leaving your machine. If you're on a modern Mac, a capable language model is already on your d... read more