Recent questions tagged Angular

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angular - Angular2 Module: How can i import a service from another module

import { NgModule } from '@angular/core'; import { CommonModule } from '@angular/common'; import { ... service/clinic-facility.service'; See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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angular - In Angular2 *ngFor iteration, how do I output only unique values from the array?

Does it have a built in pipe to do so? data = [ {id: 5, name: 'Roger'}, {id: 5, name: ' ... Mark Zach Mark Roger Desired Output Roger Mark Zach See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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angular - Angular2 AOT with Lazy loading Can't resolve [path to lazy module].ngfactory.ts

I am trying to convert an App that was already working with Lazy loaded modules into AOT. I am using the @ngtools ... , Thank you for your help! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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angular - How to unsubscribe/stop Observable?

I use the following code for timer: export class TimerService { private ticks: number = 0; private seconds: number = ... It does not work for me See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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angular - Angular2 innerHtml removes styling

I am using innerHtml and set the html in my cms the response seems okay and if I print it like this: {{ ... my styling when I use [innerHtml] See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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angular - EXCEPTION: Uncaught (in promise): Error: Cannot find module 'app/home/home.module'

I'm trying to lazy load Angular 2 modules with the router, and I'm having this error: error_handler.js:50 ... because it worked on there. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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angular - Using relative path for templateUrl in Component with SystemJS

I'm trying to use relative path when defining templateUrl in angular2 component, as described here: http://schwarty.com ... How to make it work? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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angular - How can I pass a generic type parameter to an Angular2 component?

Let's say I got a component with a fixed input parameter type, @Component({ selector: 'fixed', template: '<div>{ ... ? <generic ...></generic> See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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angular - Is not core-js needed anymore?

I've updated an Angular project from version 7 to 8. Everything runs smoothly, schematics did it's job ... present in package description. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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angular - ionic 3 Set default requests header from ionic storage

This question is a bit similar Ionic 2 - Get token from Storage value and set Header before HTTP Request ( not a ... isn't work here. Any idea? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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angular - How to get the data from local JSON, to the HTML page using ionic 2 typescript

I have this type of JSON file. { "records": { "patients": { "day": "Today", "details": [ { "name ... this one using service? Thanks in advance. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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angular - Angular2: which is the best way to make multiple sync calls with Observables?

I'm studying the Observables in Angular2/4, before I've used the Promises for my services call. I'm wondering what is ... ); }); }) }); See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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angular - error TS2339: Property 'takeUntil' does not exist on type 'Observable<Foo>' and other rxjs v.6 errors

I just recently updated A LOT of packages in my angular project. Old package.json: { "name": ... , MatPaginatorModule } from '@angular/material'; import {MatProgressSpinnerModule...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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angular - why mat-select not working inside the modal ? onclick it shows options behind the Modal

i Used the ngx-bootstrap Modal. But i faced problem when i used the mat-select inside of it . The mat-select ... /mat-form-field> <ng-template> See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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angular - How to add/remove class from directive

Using a custom directive how would you add/remove a class on the host element based on a specific conditions? Example: ... to remove class } } } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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936 views

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angular - Angular2, disable button if no checkbox selected

I have multiple checkboxes and a button that has to be enabled only if at least one checkbox is selected < ... questions but not using Angular2. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

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angular - using ng-content in ng-template

Is it possible to use <ng-content> (and its select option) inside a <ng-template> or does it only works within ... ! :( Here is the live example See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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990 views

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angular - How to check Angular2 version with typescript

I have written a simple app with [email protected], and it works great. Now that I am testing ... .version on the console return undefined See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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angular - How to trigger a change event manually - angular2

Given the following components: @Component({ selector: 'compA', template: template: `<compB [item]=item></compB> ... of a parent object? Thanks See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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841 views

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angular - Same form for creating and editing data Angular4

Here is a form with two way-binded input fields. The goal was to create the same form to edit and create data. That was ... value = ''); }); } } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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angular - ng2 get csrf token from cookie post it as header

After spending 2 full days searching the web and reading docs and tons of open questions of people facing ... is useless without its metadata See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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989 views

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angular - How to get firestore timestamp

I'm trying to get the timestamp of a document that I created in firestore, but what I get is this: ... should I have previously created it? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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834 views

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angular - How to compile runtime-generated Angular8 code?

I'm creating Angular code at runtime, in particular, I use a SVG library in order to create a vector ... call in the associated component. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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830 views

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angular - Using cordova-plugin-camera to display image

I am using cordova-plugin-camera within my Ionic 2 app. I can successfully take a photo and then alert the ... image show within my template? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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832 views

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angular - Get component child as string

For an I18n-like component, I want to get a component content as string to have a fallback value in case my ... 't know how to achieve this. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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939 views

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angular - RC5 : Lazy loading of NgModule in different router-outlet

I'm using RC5's NgModule to do dynamic route loading. My app has two depth level. I have routes like : ... dynamically each route on demand ? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.2k views

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angular - How to check is checkbox is checked angular2

I want to check is checkbox is checked or unchecked in an if and else statement. <md-checkbox id="mon" (change)=" ... How is the way to do this? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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877 views

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angular - How to write custom components in Ionic 2/3 without losing prepared css?

When I write my own custom component like this: import { Component } from '@angular/core'; @Component({ ... inside without losing prepared css? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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