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I am working on an Angular 4 app, but I am having a problem inasmuch as I am having to call this.changeDetectorRef.detectChanges(); to update the view when the model changes. For example, I have this code which is for pagination: changePage(pageNumber) { ...

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I am trying to build a shared service as follow import {Injectable,EventEmitter} from 'angular2/core'; import {Subject} from 'rxjs/Subject'; import {BehaviorSubject} from 'rxjs/subject/BehaviorSubject'; @Injectable() export class SearchService {public country = new Subject<SharedService>(); public space: Subject<SharedService> ...

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Please explain to me why I keep getting this error: ExpressionChangedAfterItHasBeenCheckedError: Expression has changed after it was checked. Obviously, I only get it in dev mode, it doesn’t happen on my production build, but it’s very annoying and I simply don’t understand ...

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