freeCodeCamp
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Browse thousands of programming tutorials written by experts. Learn Web Development, Data Science, DevOps, Security, and get developer career advice. We're a nonprofit community that helps you learn to code by building projects.
freeCodeCamp
2h ago
WebSockets a critical technology in the development of real-time applications such as live notifications, multiplayer games, and real-time chats. We just published a course on the freeCodeCamp.org YouTube channel that is designed to help you understand the fundamentals of WebSockets and how to implement real-time, bidirectional communication in web applications ..read more
freeCodeCamp
10h ago
I've been sending my "5 freeCodeCamp resources worth your time" for 8 years now. That's nearly 400 emails that I've authored and sent out over the years. Don't worry. I'm not tired. I love doing this, I'm going to keep working hard to share helpful learning resources with you. I ..read more
freeCodeCamp
10h ago
In this tutorial, you're going to learn about the app deployment platform Fly.io and the globally distributed S3-compatible object storage service Tigris. Both platforms are deeply connected, which makes them a great choice for your projects. You get the app deployment experience from Fly.io and the object storage features ..read more
freeCodeCamp
1d ago
If you're coming to macOS from a different operating system (like Windows or Linux), it might feel odd that, by default, macOS saves screenshots in the Desktop folder. This make the desktop look messy after a while if you take a lot of screenshots! But it doesn't look messy if ..read more
freeCodeCamp
1d ago
Dropdowns have been part of the internet since its inception—they're an unsung hero of user interaction, silently facilitating countless actions and decisions with just a click or tap. You probably encountered one today, whether it was selecting a category on your favourite online store or choosing your birthdate on ..read more
freeCodeCamp
1d ago
Retrieval-Augmented Generation (RAG) can be extremely helpful when developing projects with Large Language Models. It combines the power of retrieval systems with advanced natural language generation, providing a sophisticated approach to generating ..read more
freeCodeCamp
1d ago
Passwords, credit card information, personal identification numbers (PINs) – these are all critical assets used for authorization and authentication. This means they need to be protected from unauthorized users. As developers, we are tasked with safeguarding these sensitive bits of info, and it's important to implement strong secure measures in ..read more
freeCodeCamp
2d ago
Printing strings is a fundamental operation in programming. It helps you output information, inspect and debug your code, and display prompts to users. In this article, you will learn some of the different techniques to print strings in C. What is a ..read more
freeCodeCamp
2d ago
In React, there are two primary ways to create components: function and class components. Each has its own syntax and use cases, although with the introduction of React Hooks, the gap between them has narrowed significantly. But the selection of appropriate component types is still very crucial for building efficient ..read more
freeCodeCamp
2d ago
DigitalOcean is a cloud infrastructure provider that offers developers cloud services that help to deploy and scale applications that run simultaneously on multiple computers. We just posted a course on the freeCodeCamp.org YouTube channel that will ..read more