freeCodeCamp

4 weeks ago | freecodecamp.org | Rahul Gupta

Microfrontends are transforming how teams build and deploy frontend applications at scale. This tutorial explores the architectural landscape, from traditional approaches to modern Module Federation implementations. By the end, you'll be equipped to evaluate whether microfrontends are the right solution for your team's specific needs. iframesModule FederationSingle SPASetup ComplexityConclusionsWhat’s next?

2 months ago | freecodecamp.org | Alex Tray

Think about it: you're sitting there enjoying your morning coffee, reading the headlines when again another data breach is making headlines. Millions of users' personal information – gone. You can't help but cringe as a developer at the prospect. Could it happen on your watch? The reality is, keeping personal data safe isn't something you should be doing because it's good practice – it's something you have to do.

Mar 28, 2025 | freecodecamp.org | Alex Tray

In this tutorial, I’ll walk you through the process of sending emails in Python using two different methods: The traditional SMTP setup with the built-in ‘smtplib’ module. Mailtrap email API via Mailtrap’s official SDK. If you’re unfamiliar with the tools and workflows, SMTP (Simple Mail Transfer Protocol) is the protocol commonly used for sending emails via apps and websites.

Mar 25, 2025 | freecodecamp.org | Rob Walters

AWS Lambda is a computing service that enables you to run arbitrary code functions without needing to provision, manage, or scale servers. It’s often used in the logic tier of a multi-tier architecture to handle tasks such as processing files in S3 or performing CRUD operations on a database. AWS also offers an API Gateway, allowing developers to invoke AWS Lambda functions, which provides enhanced security and performance features like rate limiting.

Feb 26, 2025 | freecodecamp.org | Tapas Adhikary

JavaScript has been a popular programming language for almost 30 years now. Whether you’re using it for web applications, mobile applications, backend services, or even desktop applications, you’ll find that JavaScript has deep roots. Many of the libraries and frameworks you likely use to build modern web applications are based on JavaScript, like React.js, Next.js, Angular, Solid.js, Vue.js, and Node.js to name a few.