Learn how to create robust Swift programs by effectively using optionals and handling errors. Discover how to apply optional binding, do-catch blocks, and error types to real-world scenarios, making your code more efficient and safe. Master key concepts through hands-on labs and examples.

To deploy a React Native application to both the iOS App Store and Google Play Store, you need to follow specific guidelines and configurations. By understanding the requirements for each store, building and configuring your application for deployment, and distributing it through platforms like App Store Connect and Google Play Console, you can make your app available to a global audience.

Master one-dimensional layouts with Flexbox, learning how to create flexible and responsive designs using properties like flex-direction, justify-content, and align-items, and discover best practices for efficient and dynamic layouts. From basic alignment to dynamic heights and auto-margins, explore the fundamentals of Flexbox for modern web development. Whether you're building a simple header or a complex navigation bar, these techniques will help you achieve a more versatile and responsive layout.