$observe $watch Angular AoT CSS Github Hexo IIS Express JavaScript OpaqueToken Stylus TravisCI TypeScript VS Code VS Code extension VS Emulator Android VS2015 Visual Studio Webpack Windows angularjs array attribute blog build & releasing component dependency injection directive event loop factory filter form git github page gitignore ionic2 learning loader lodash ngModel npm personal provider publish random scope semantic-release snippets string thread tips tool setting transforms troubleshooting tsconfig validators