Prototypes in JavaScript in Hindi

Unable to apply changes on device: emulator-5554. Error is: Socket connection timeouted..

Unable to apply changes on device: emulator-5554. Error is: Socket connection timeouted..

Solution is ...
 First need to remove old app from emulator then close it down and then try


> tns run android --bundle  in native script 

How Nesting Routing Works in .Angular 6

• • Adding the base href in index
  • router-outlet in app component
  • and Routing module to main module

For Further info check official Docs

https://angular.io/guide/router
.

import { NgModule } from ‘@angular/core’;
import { CommonModule } from ‘@angular/common’;
import { RouterModule,Routes} from ‘@angular/router’;
import { HomeComponent} from ‘../layout/home/home.component’;
import { WatchComponent} from ‘../layout/watch/watch.component’;
import { AdminComponent} from ‘../layout/admin/admin.component’;
import { AdminDetailsComponent} from ‘../layout/admin/admin-details/admin-details.component’;
import { AdminListComponent } from ‘../layout/admin/admin-list/admin-list.component’;

const routes:Routes = [
{
path:”,
component: HomeComponent
},
{
path:’watch’,
component: WatchComponent,
children:[
{
path:”,
component: AdminDetailsComponent
}
]
},
{
path:’watch/admin’,
component: AdminComponent,
children:[
{
path:”,
component: AdminDetailsComponent
},
{
path:’list’,
component: AdminListComponent
},
]
}
]

@NgModule({
imports: [
CommonModule,
RouterModule.forRoot(routes)
],
declarations: [],
exports:[
RouterModule
]
})
export class RoutingModule { }

Check the online edit link

https://stackblitz.com/edit/angular-navigationrouting?embed=1&file=src/app/routing/routing.module.ts

How Angular Filter Transformation from angular Js to Angular ( Js to TypeScript)

Angular Filter Transformation from angular Js to Angular ( Js to TypeScript)

$scope.sel_view = $filter('filter')($scope.list, function(value) {  return value.viewSeq == seq;})[0];

this.sel_view = this.viewList.filter((view: any) =>{  return view.viewSeq == seq ;})[0];

Error : Argument of type '{ headers: HttpHeaders; responseType: string; }' is not assignable to parameter of type '{ headers?: HttpHeaders | .......

If You have this error in angular request for response type "text",


Argument of type '{ headers: HttpHeaders; responseType: string; }' is not assignable to parameter of type '{ headers?: HttpHeaders | { [header: string]: string | string[]; }; observe?: "bod
y"; params?: Ht...'.

You need to set header from .... 

    let headers = new HttpHeaders({

        'Content-Type': 'application/json',

        'Authorization': window.sessionStorage.token

      });

      let authHttpOptions = {

       headers : headers,

        responseType: 'text'

      }

       this.http.post(url, param, authHttpOptions)

          .subscribe(..)

to 

 this.http.post(url, param, {

          headers: new HttpHeaders({'Content-Type': 'application/json', 'Authorization': window.sessionStorage.token}),

          responseType : 'text'

 })

          .subscribe( ...) 

How to Add dynamic classes to React