AI Agents are useful tools that can perceive their environment, "think" about what to do, & then act. Here, Manish explains the basics of how these agents work. You'll look at an example using the OpenAI API & learn about the core loop, how agents learn, & more. www.freecodecamp.org/news/how-do-...

If you want to build iOS apps this course is for you. You'll learn how to use the powerful SwiftUI framework along with XCode to build a movie browsing app. You'll also use SwiftData to save titles for offline viewing & learn about integrating APIs along the way. www.freecodecamp.org/news/learn-s...

Winter Olympics, Day 11! For today's coding challenge, you'll get an array of ice hockey teams and their records after the round robin games. Your task is to determine the match-ups for the semi-final round. See if you can solve it on the freeCodeCamp mobile app.

If you're prepping for technical interviews, you likely have data structures and algorithms on the brain. And this in-depth course covers all the most popular ones. You'll also learn about Big O Notation, sorting & searching, dynamic programming, and more. www.freecodecamp.org/news/master-...

Voice apps have pretty strict requirements for latency, privacy, and customization - understandably. So it's often hard to find an AI voice tool that really fits your needs. In this guide, Michael helps you build your own voice AI agent using open source tools. www.freecodecamp.org/news/how-to-...

Serverless apps let you run and scale up production apps without touching server configs. And here, Chisom walks you through building a full-stack serverless CRUD app. You'll use AWS and React and learn about IAM roles, Lambda functions, API Gateways, and more. www.freecodecamp.org/news/how-to-...

Learning how to work with AI in the cloud is an important skill for devs these days. And in this 23 hour course, Andrew teaches you all the fundamentals of Generative AI. You'll learn about LLMs, AI assistants, prompt engineering, development tools, RAG, & more. www.freecodecamp.org/news/learn-g...

When you're building APIs in Node.js, there are some security best practices you should follow. They'll help you harden your APIs & protect them from common threats. Manish shows you how to use environment variables, validate input, rate limit endpoints, & more. www.freecodecamp.org/news/how-to-...

Building modern web apps can involve lots of complex tasks. But there are some helpful tools you can use that manage a lot of these processes for you. Here, Raju teaches you how to deploy a static web app on AWS with Amplify, Lambda, API Gateway, & DynamoDB. www.freecodecamp.org/news/how-to-...

Winter Olympics, Day 10! For today's coding challenge, you'll determine a ski hill's difficulty level based on various factors. Check it out on the freeCodeCamp mobile app.

Concurrency & parallelism are software development concepts that are often confused. Both refer to a system's ability to handle multiple tasks - but they work quite differently. Here, Wisdom explains the differences to help you build scalable, efficient systems. www.freecodecamp.org/news/concurr...

Configuration files give you a structured way to manage your app's settings. And here, Bala teaches you how to read and parse INI config files in Python. You'll use the built-in configparser module & create a config manager, work with multiple INI files, & more. www.freecodecamp.org/news/how-to-...

Google has a Generative AI Leader cert you can get to show you know how to effectively & responsibly use GenAI in business. And in this course, Andrew helps you study and prepare for the exam. He'll give you a deep understanding of Google Cloud's GenAI offerings. www.freecodecamp.org/news/pass-th...

When you're working with & analyzing data, there are many small mistakes you can make that become big down the line. So in this guide, Oyedele explains common pitfalls & how to avoid them. You'll learn about bias, unclear inputs, misinterpreting results, & more. www.freecodecamp.org/news/common-...

The Model Context Protocol lets AI agents securely and intelligently interact with your data. And in this course, you'll learn how to create MCP servers using the open source FastMCP Python lib. You'll build a calculator app, integrate APIs, and test it all, too. www.freecodecamp.org/news/learn-m...

A sleek, modern sidebar can really improve your app's user experience. And in this tutorial, Hitesh shows you how to use the react-mui-sidebar package in your projects. He explains how it works and helps you install and set it up in a React and Next.js app. www.freecodecamp.org/news/how-to-...

Winter Olympics, Day 9! For today's coding challenge, you'll get a string representing the curves on a skeleton track. Your task is to determine the track's difficulty based on these curves. Check it out on the freeCodeCamp mobile app.

Extracting text from a PDF can be quite tricky - even with the various libraries available. So that's why Chidera decided to make his own text-extractor tool. In this in-depth guide, he walks you through building it with Node.js and TypeScript. www.freecodecamp.org/news/build-a...

In most languages, programs use the stack and heap to store data in memory. But in Go, you don’t choose where values live – the compiler decides using escape analysis. Here, Ijeoma explains what escape analysis is, what causes heap allocations, and more. www.freecodecamp.org/news/underst...

Data fetching in React can get tricky as your apps scale. And in this handbook, Tapas walks you through modern data fetching strategies. You'll first review useEffect, then learn how to use Suspense, the new use() API, and ErrorBoundary. www.freecodecamp.org/news/the-mod...

You may have read that Heroku is moving into a sustaining engineering model. And while it may still be a solid choice for many projects, you may be looking for an alternative. Here, Manish shares some helpful deployment options & explains their features. www.freecodecamp.org/news/top-her...

Developing solid public speaking and presentation skills can really help you out as a dev. And to help you improve, Timothy created this practical project: building a real-time public speaking and presentation coach with Stream Video, Vision Agents, & Python. www.freecodecamp.org/news/how-to-...

If you really want to understand how LLMs work, try coding your own version from scratch. And that's exactly what you'll do in this course: build a Llama 4-like LLM from the bottom up. You'll build a tokenizer, learn about the attention mechanism, & lots more. www.freecodecamp.org/news/code-yo...

Winter Olympics, Day 8! For today's coding challenge, you'll be given an array of segment times for a luger. Your goal is to determine which segment had the fastest speed and what that speed was. Check it out on the freeCodeCamp mobile app.

If you're prepping for tech job interviews, you should know how to apply data structures & algorithms to coding challenges. And this course helps you learn the key DSA you'll need to know. It covers arrays, sets, hashmaps, Big O notation, binary search, & more. www.freecodecamp.org/news/data-st...

Vim is a powerful, customizable text editor that many devs swear by. It has a steep learning curve for beginners, but this course helps smooth that out for you. In it, Andrew teaches you about Vim's history, customization & plugins, and core commands. www.freecodecamp.org/news/masteri...

If you want to practice your AI + coding skills, this one's is for you. Arunachalam helps you build an AI-powered bot using Node.js, Gemini, & other popular tools. You'll learn how to automate fetching & processing the data then compose tweets based on that data. www.freecodecamp.org/news/how-to-...

If you want to protect yourself against cybersecurity threats, you should know how attackers might hack you. In this course, you'll learn how to defend against real-world vulnerabilities. You'll also learn about pentesting, network security, helpful tools & more. www.freecodecamp.org/news/learn-c...

If you want your AI-powered app to be personalized - and to survive production - you'll need to connect it to tools & manage multi-step workflows. Here, Nataraj helps you build AI agents that remember user preferences (without breaking context). www.freecodecamp.org/news/how-to-...

Testing your applications is something you should do before problems appear in production. And if you're building apps with React + Vite, the Vitest framework is a good fit. In this tutorial, Abraham walks you through testing your components & hooks with Vitest. www.freecodecamp.org/news/how-to-...

Winter Olympics, Day 7! For today's coding challenge, you'll get two arrays representing the lap times of two speed skaters. You'll need to return the lap number where there's the biggest difference in times. Check it out on the freeCodeCamp mobile app.

If you want to show that you have a deep understanding of Kubernetes admin, this course is for you. It'll help you study for the Kubernetes Administrator cert exam. You'll learn about cluster architecture, RBAC, workloads and scheduling, networking, & lots more. www.freecodecamp.org/news/prepare...

Git stash lets you temporarily save uncommitted code changes so you can go work on something else without committing incomplete work. It has a bunch of helpful variations, too. Here, Chidiadi shows you examples of git stash push, pop, apply, list, and more. www.freecodecamp.org/news/how-to-...

Design patterns give you proven solutions to common problems in software development. If you've ever struggled with repeatedly creating objects or managing different object types, the factory pattern can help. Here Bala shows how it works in Python with examples. www.freecodecamp.org/news/how-to-...

Here's a practical project to help you improve your Python skills: building a résumé screening system. Abdul focuses on core coding concepts & the power of multi-processing. You'll parse documents, design a scoring algorithm, build a web interface, & deploy it. www.freecodecamp.org/news/python-...

It's often helpful to visualize your network traffic in real time. So here Chaitanya helps you build a network traffic dashboard with Python & Streamlit. You'll learn how to capture raw network packets, process the data & create real-time updating visualizations. www.freecodecamp.org/news/build-a...

Understanding basic AI and Machine Learning concepts is essential for devs. But getting started and learning all the key terms and core ideas can be overwhelming. In this course, Vladimirs covers concepts like variance, p-values, neural networks, and tons more. www.freecodecamp.org/news/essenti...

Winter Olympics, Day 6! For today's coding challenge, you'll calculate the final score for a figure skating routine. See if you can solve it on the freeCodeCamp mobile app.

When you're building an app, different parts need to communicate, within the app & with the outside world. APIs let you do this - and REST is a popular way to architect your APIs. Here, Oliver teaches you key REST API principles by building an Express movie app. www.freecodecamp.org/news/learn-r...

Data pipelines let you collect, process, and use huge amounts of data efficiently. But building and maintaining these pipelines can be tricky. In this in-depth course, you'll learn about data ingestion & normalization, data loading, tuning performance, and more. www.freecodecamp.org/news/data-lo...

When you're writing code, sometimes you may not even know it's vulnerable until something bad happens. So Manish wrote this guide to help you identify common security issues He talks about missing input validation, poor error handling, no rate limiting, & more. www.freecodecamp.org/news/what-ma...

When you're building an app, different parts need to communicate - both within the app & with the outside world. This happens through APIs, & REST has become a popular way to architect them. Here Oliver teaches you key REST API principles with an example project. www.freecodecamp.org/news/learn-r...

Data pipelines let you collect, process, and use huge amounts of data efficiently. But building and maintaining these pipelines can be tricky. In this course, you'll learn about data ingestion & normalization, data loading, tuning performance, and much more. www.freecodecamp.org/news/data-lo...

Winter Olympics, Day 5! For today's coding challenge, you'll get an array of times for a cross-country ski race. You'll need to convert them into times behind the winner's time. Check it out on the freeCodeCamp mobile app.

Learning about algorithms is a key step in prepping for dev job interviews. And this course teaches you 10 popular ones that often come up in coding challenges. It covers array chunking, max char, fizz buzz, the pyramid string pattern, and more. www.freecodecamp.org/news/top-10-...

Machine learning lineage is a framework that helps you track & understand an ML model's whole lifecycle. It helps with validation, tracing failures, providing proof of training, & more. Kuriko helps you build an ML lineage using a price prediction model example. www.freecodecamp.org/news/how-to-...

When you're building an application, you likely don't want all users to have the same level of access. This is where role-based access control comes in handy. In this guide, Ayodele teaches you how to set up RBAC with custom claims ising Firebase rules. www.freecodecamp.org/news/firebas...

Go makes it easy to build APIs that are super fast from the get-go. But as you get more users, Go's natural speed might not be enough - and you'll need to set up caching. In this guide, Temitope shows you four ways to cache Go API responses for high performance. www.freecodecamp.org/news/how-to-...

OpenAI recently rolled out ChatGPT Apps. They're powered by the new Apps SDK and the Model Context Protocol (MCP). In this tutorial, Shola teaches you how they work. You'll use the ChatGPT apps SDK to build a pizza app, learn about rendering UI widgets, and more. www.freecodecamp.org/news/how-to-...

Amazon Bedrock AgentCore helps you build & deploy agents securely and at scale on AWS. It works with various frameworks & handles complex tasks like runtime management & IAM role config. Here, Emdadul helps you create and test your agent locally & deploy it. www.freecodecamp.org/news/deploy-...