Multi Component two way binding data transfer

Multi Component two way binding data transfer

By : Parijat
Date : August 22 2020, 02:00 AM
hop of those help? There are many way to pass data between components. as @Emilien suggests, using '@output' is one of the options.
You could also use things such as
code :

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multi attribute binding in ember component

multi attribute binding in ember component

By : Oleksandr Polovyi
Date : March 29 2020, 07:55 AM
Does that help i solved my problem with a trick . in my application currentItem.isMeasure is true and the true is boolean so ember insert the name of attribute in element. so i try this code :
code :
    var val = this.get('currentItem.isMeasure');
    if(val==true)return "true";
    return "false";
<li id="ember745" class="ember-view d_measure" data-id="acafd" data-ismeasure="true">
Picklist (multi-select) component does not update data. BootStrap component + AngularJS

Picklist (multi-select) component does not update data. BootStrap component + AngularJS

By : sdoering
Date : March 29 2020, 07:55 AM
I wish did fix the issue. I have a project based on JSP + AngularJS. , Done.
This is how my component looks like:
code :
                                      <div class="form-group">
                                        <label class="control-label col-md-3">Empresas:</label>
                                        <div class="col-md-9">

                                            <select  multiple="multiple" class="multi-select" id="my_multi_select1" name="my_multi_select1[]">
                                                <option ng-repeat="c in clientes" value="{{c.idCliente}}" ng-click="atribuirUm($index, c)">{{c.razaoSocial}}</option>
                                                <option selected ng-repeat="c2 in clientes2" value="{{c2.idCliente}}" ng-click="limparUm($index, c2)">{{c2.razaoSocial}}</option>
BoxApp.controller("CadastroCertificadoController", function($scope, $http) {

$scope.clientes = {};

$scope.iniciar = function() {
    $http.get('/boxmlV2/cadastrocertificado').success(function(response) {
        $scope.clientes = response;


$scope.clientes2 = [];

$scope.atribuirUm = function(index, c) {
    $scope.clientes.splice(index, 1)

$scope.limparUm = function(index, c2) {
    $scope.clientes2.splice(index, 1)
How to refresh the 'options' binding in an ko multi select component?

How to refresh the 'options' binding in an ko multi select component?

By : Mr LePaK
Date : March 29 2020, 07:55 AM
Hope that helps You're on the right track by making the second option list a computed. This is what you still need to do: Inside the computed, use selectedRepository's value to return an array of options that are linked to the selection. By using this value, knockout will make sure that after the value variable of the first select changes, the second option list is reevaluated.
After clarification of question in comments:
code :
var repositoryBranches = {
  a: ["All", 1, 2, 3, 4, 5, 6],
  b: ["All", 0, 7, 8],
  c: ["All", 9, 10]

var VM = function() {
  var self = this;
  this.repositoryKeys = ["a", "b", "c"];
  this.selectedRepository = ko.observable("a");
  this.selectedBranches = ko.observableArray([]);
  this.branchesForSelectedRepository = ko.computed(function() {
    var allBranchesForRepo = repositoryBranches[self.selectedRepository()];
    // We're making an exception if the first one is selected:
    // don't show any other options if the selected one is the first one
    if (self.selectedBranches()[0] === allBranchesForRepo[0]) {
      return ["All"];
    return allBranchesForRepo;
  // Clear selection when changing repository
  this.selectedRepository.subscribe(function clearSelection() {

ko.applyBindings(new VM());
<script src="https://cdnjs.cloudflare.com/ajax/libs/knockout/3.2.0/knockout-min.js"></script>
<select data-bind="options:repositoryKeys, value: selectedRepository">  </select>
<select multiple="true" data-bind="options:branchesForSelectedRepository, selectedOptions: selectedBranches"></select>
Angular component binding but no data transfer

Angular component binding but no data transfer

By : Trần Đức Hoàng
Date : March 29 2020, 07:55 AM
I hope this helps you . Ok, i did the following to hit this:
I removed the unreadLogEntries field and added a controller function to count the unread log entries in the attached list of log entries.
code :
<span class="badge">{{$ctrl.countUnread(system.logEntries)}} of {{system.logEntries.length}}</span>
SystemView.prototype = {
  setRead: function () {
    // ...

  countUnread: function (logEntries) {
    var unread = 0;
    for(var i = 0; i < logEntries.length; i++) {
      if(logEntries[i].isUnread) { unread++; }
    return unread;
ReactJS - Transfer data to child component and get back data from component click

ReactJS - Transfer data to child component and get back data from component click

By : user3191846
Date : March 29 2020, 07:55 AM
I wish this help you Yes. You can pass function as prop to the breadcrumb component like so
code :
onBreadcrumbSelect(url) {

render() {
    return (
        ... other components ...
        <Breadcrumbs urlPath={this.state.urlPath} onLinkSelect={this.onBreadcrumbSelect.bind(this)} />
   <Breadcrumbs aria-label="breadcrumb">
        {urlArr.map((url, index) => 
            <Link key={index} color="inherit" href="/" onClick={() => this.props.onLinkSelect(url)} >
                { url }
        <Typography color="textPrimary">{selected}</Typography>
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