freeCodeCamp

As Flutter applications scale beyond a single market, language support becomes a critical requirement. A well-designed app should feel natural to users regardless of their locale, automatically adapting to their language preferences while still givin...... read more

Many developers start learning programming by building simple projects like todo apps, calculators, and basic CRUD applications. These projects are useful at the beginning, as they help you understand how a programming language works and give you the...... read more

Social media has become a vital tool for people and businesses to share ideas, promote products, and connect with their target audience. But creating posts regularly and managing schedules across multiple platforms can be time-consuming and repetitiv...... read more

Today Quincy Larson interviews Tapas Adhikari. He's a software engineer who runs a firm of 20 developers who build projects for companies around the world. He's also a prolific teacher, having written 300 programming tutorials - including 47 for free...... read more

Prioritization in product management is hardly about what metric takes precedence over the other. Of all the roles a product manager plays, one of the most difficult is deciding what to work on next. Why? Because everything feels urgent. Engineers wa...... read more

Relational databases are used in many different types of software. We just posted a course on the freeCodeCamp.org YouTube channel that will help you learn relational database design from the ground up. This course covers SQL fundamentals, entity-rel...... read more

Creating complex objects can get messy. You've probably written constructors with too many parameters, struggled with optional arguments, or created objects that require multiple setup steps. The builder pattern solves these problems by separating ob...... read more

Bluetooth Low Energy advertising has always been one of those things developers “just use” until it breaks in subtle, painful ways. You set a name, throw in a UUID, maybe add some manufacturer data, and hope everything fits. For years, the unspoken r...... read more

In software development, particularly object-oriented programming and design, object creation is a common task. And how you manage this process can impact your app's flexibility, scalability, and maintainability. Creational design patterns govern how...... read more

In this tutorial, you'll learn how to build a complete RAG (Retrieval-Augmented Generation) search application from scratch. Your application will allow users to upload documents, store them securely, and search through them using AI-powered semantic...... read more