Angular's link

1. https://www.learnrxjs.io/
2. Search with debounce time, disctinct until change, do, tap, swichmap:
https://codecraft.tv/courses/angular/http/http-with-observables/
3. https://www.youtube.com/watch?v=qWxLWRk3zdc
4. angular router
5. Rxjs english youtube
6. promise 
7. redux
8. angular vs react
  angular vs react2