Sarvesh Yadav questions

• How to add "No Record Found" in PrimeNG Datatable When data is not there?
• What is the difference between @Inject and @Injectable in Angular 2 typescript
• What is the difference between annotation and decorator?
• When to create constructor in Angular2 typescript?
• What does systemjs.config.js do in angular 2 packaging structure?
• What exactly $event object do in Angular 2?
• What exactly does a selector do in angular 2?

Sarvesh Yadav answers