Read about Technology and Programming

Explore free online courses in coding, web development, AI, data science, cybersecurity and more. Learn new skills and earn certificates at no cost today.

Learn how to test React applications with Jest, from setup to basic tests and snapshots, ensuring reliable and maintainable components.

Learn how to master JavaScript DOM manipulation to create interactive and dynamic web pages, with practical examples and best practices.

Learn JavaScript closures and lexical scoping, discover practical uses, common pitfalls, and how to write more modular, efficient, and secure code.

Learn how Java manages memory, including Heap, Stack, Garbage Collection, and best practices for writing efficient, high-performance applications.

Learn the fundamentals of Java programming for beginners, including setup, core concepts, first programs, and tips for growing your skills.

Learn Linux fundamentals with this beginner-friendly guide. Explore core concepts, key features, and everyday usage tips for a smooth start.

Learn Linux file permissions, commands, and best practices to secure systems and improve IT management skills.

Learn the tools, process, and best practices of mobile game development to build engaging, high-performance games for global audiences.

Learn techniques and tools for optimizing mobile game performance to ensure smooth gameplay, better user experience, and wider device compatibility.

Learn how prototyping and testing turn mobile game ideas into polished, player-approved experiences through validation, feedback, and iteration.