macos MacOS Catalina Beta installation issue Today, I decided to install the Catalina Beta but after enrolling to the beta program, I encoutered this issue:The requested version of macos is not available The solution I found is to
android Android Studio Update and missing classes issue Recently I updated my Android Studio to 3.1.3 version and a strange issue occured. When I opened a random class in one project, there're a lot of red text indicating that
