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When I first started working on E-commerce applications, I assumed testing checkout flows and payments would be straightforward. My expectation was simple: users select items, provide an address, pay, and receive confirmation. But I quickly learned t ...

"To understand is to perceive patterns." - Isaiah Berlin Math is not just numbers. It is the science of finding complex patterns that shape our world. This means that to truly understand it, we need to see beyond numbers, formulas, and theorems and ...

The Power Apps Component Framework - PCF for short - lets you create complex custom components using traditional web development tools like HTML, CSS, and JavaScript. When creating a new PCF project, you can choose from two types of controls: standar ...

On this week's episode of the podcast, freeCodeCamp founder Quincy Larson interviews MacKevin Fey. He just got laid off last week from his senior engineering role at Microsoft. We talk about: How Mack's approaching the job search after being lai ...

If you've been meaning to add Vue.js to your front-end toolbelt, today's your day. We just published a full, 6-hour Vue 3 course on the freeCodeCamp.org YouTube channel. Instructor Bhrugen Patel walks you through everything you need to build modern,

This guide is a comprehensive roadmap for deploying a FastAPI backend connected to a PostgreSQL database using Render, a cloud platform that supports hosting Python web apps and managed PostgreSQL databases. You can find the complete source code he . ...

Elixir is a dynamic, functional programming language designed for building scalable and maintainable applications. It leverages the battle-tested Erlang VM, known for running low-latency, distributed, and fault-tolerant systems. Elixir is based on an ...

Understanding how to manage data effectively is a critical skill for anyone pursuing a career in tech. And we just published a course on the freeCodeCamp.org YouTube channel that will teach you all about Database Management Systems (DBMS). This in-de ...

Developers often see refactoring as a secondary concern that they can delay indefinitely because it doesn't immediately contribute to revenue or feature development. And managers frequently view refactoring as "not a business need" until it boils ove ...

AI is disrupting all industries at a pace not seen at any time in history. Technologies and industries that were once dominated by one or two companies or were very much "human-focused" are coming under threat. Google is losing ground to AI search, t ...