Recent questions tagged angular

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angular - Pass the data between pages in ionic 5

I want to pass some data between the pages in ionic version 5. Is there any possible way to do this? I am using ionic version '5.4.16' and angular version '10.0.8'. 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 - TypeError: Cannot read property 'post' of undefined in [null]

In my Angular 2 project ListingService can't get data from server via post. I'm getting this error: EXCEPTION: TypeError: Cannot read property 'post' of undefined ... ]); } } What can be problem of 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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angular - RxJs Subject.subscribe method not working as expected

Subject.subscribe method when called outputs the following error: TypeError: Cannot read property '_subscribe' of undefined at BidirectionalSubject._subscribe (Rx.js ... to be coming from angular itself. 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 execute in first a function and in second canActivate()

I have this AuthGuard. In this code I want to create a condition. If my resetpasss is not null I want to navigate in here ... resetPasswordRequest/:id', component: ResetPassIdComponent } ]; 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 : get parent router data

I'm creating a component under route /blabla/:id/blabla/:secondid First part of my url "/blabla/:id/..." is managed by my first routing component. Then, a ... I can access my ":id" from there. 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 - Property 'getContext' does not exist on type 'HTMLElement'

I am doing a project in Angular8 and creating charts using ChartJS. After running the project, it will show the charts. But it will give an error saying: Property ... //api.myjson.com/bins/8au55',""); } } 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 - Protocol Buffers in Ionic

Attempting to use Protocol Buffers in Ionic 4 to encode & decode messages. Have tried to use protobufjs and also google-protobuf, but can't get either ... not quite coming together for me. help please. 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 defer Main component's initialization of dependent components so that some promises may get resolved

I am making an angular2 application. My biggest problem is the inability to defer loading of main component's dependent child component till some promise ... waits for the promises to get resolved. 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 - CKEditor use

How could I use ckeditor with Angular2 component? Doing something like: import {Component} from 'angular2/core' @Component({ selector: 'e', template ... working good with Angular2 component? Thank you 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 slides - dynamically add slides before and after

Hi I'm using ngFor to create an set of 3 slides while starting in the middle so I'm guaranteed to be able to slide to left or right on start. When ... </ion-slide> </ion-slides> Any help is appreciated! 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 - Translate service not working on load page

I have a very strange behaviour when using translate service. I configure the translator like this : export class AppComponent implements OnInit { constructor( ... load first time page. 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 - Observable Continue calling API and changing parameters based on condition

I've read the Rx.js repeat Documentation in an effort to find out how I can continue calling an api based upon the response that I receive from ... alternative using Observables for what I need to do. 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 - Why is ngClass calling function indefinitely?

I am attempting to add a class based off of whether or not a value is present in storage, or set to a specific value. I am attempting to use [ ... classes based off of the level data that I am returned. 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 - asp net core - No 'Access-Control-Allow-Origin' header is present on the requested resource

I have set two net core apps (netcoreapp2.0). One is a net core webapi (backend app) that is responsible for returning data to the user. This app is ... . The response had HTTP status code 500. Any ideas? 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 - Bind checkbox to value instead of true/false with reactive forms

I'm trying to get a simple example working using reactive/model driven forms. I want to bind an array of checkboxes to a list of values, and ... .checkboxGroup = _fb.group({ myValues: checkboxArray }); 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 - Passing Components in Angular2

Lets say i wanna get very abstract and modular and i want to pass components as input to my child components. Is that possible? I understand that i can ... just use the components as a variable inside C. 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 - Nativescript localhost http call fails on iOS

I am using Nativescript sidekick cloud build on windows to test my app on iOS - I have also connected my iPhone. According to this post I am sending my http requests to ... (e); return of([]); }) ); } } 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 loadChildren in my Routes when my module is on some CDN

Ok, so I want to publish my prebuilt angular module on some cdn, and then let some angular route be able to point to it and have it loaded ... exports: [ RouterModule ] }) export class AppRoutingModule {} 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 - Check a document field for a specific value in Cloud Firestore

I want to create a user registration with custom usernames. I store the user's username on a user document in Firestore. How can I validate ... someone already have snippet for reactive form validation? 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 2.0.x and Rx 5 beta.12 bundle

I am currently updating the dependencies of my project which uses the Angular2 npm packages and therefore RxJs as well. I am updating to the 2.0.2 ... .js bundle before which seems not to exist anymore. 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 - Call function from one component to another to update the button

AuthComponent import { TopnavComponent } from './../topnav/topnav.component'; import { Component, OnInit,ViewContainerRef } from '@angular/core'; import { ... me a solution for my scenario. 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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angular - reCAPTCHA Ionic/cordova on Android

i'm facing an issue with reCaptcha for Android on my Ionic app. I use https://github.com/DethAriel/ng-recaptcha in my form like this : <ion-list no ... public key. What can I do for resolve 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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angular - Set no tab as default active tab on mat tab

I have search functionality implemented using mat-tab, I need no tab selected on initial load. Tab should get active only when user clicks on specific tab ... reset the selected tab on a button click. 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 Angular2 Http request can return body as binary?

I have a url that return the html content with charset=iso-8859-7 which means angulars http request convert the data to utf8 by default and i am unable ... Observable.throw(error || 'Server error')); } 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 have dynamic templateUrl for Angular2 Component?

I wanted to load component templateUrl based on value passed from parent component. I know tt can be pass through property binding to component by have @Input, ... case. Any idea how do I implement 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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angular - MatTable Expand Collapse Icon issue on pagination and sort

I've a angular material table which uses detailRow directive to insert a detail/sibling adjacent row to a table row. StackBlitz I wanted to give it an ... anyone have any ideas on how to solve 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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2.8k views

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angular material - How to select only year on mat-datepicker

Hello i'm developing an application with angular 8 in wich i have an input that contains only year number. I have used mat-datepicker and want only to ... year, or show only year view on mat-datepicker? 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 do i access ng-content?

I would like to access the contents of ng-content, to start with just to get a count of content elements, but with more awesomeness later. For example: ... would expect to see 'after content init: 4'. See Question&Answers more detail:os...

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

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