Is there value in propTypeing repeat required properties at every level of nested components?

Is there value in propTypeing repeat required properties at every level of nested components?

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Is there value in propTypeing repeat required properties at every level of nested components?
Tag : javascript , By : beebob
Date : January 12 2021, 01:40 AM

I wish did fix the issue. My way of looking at it is, that if you use some props in a component, you have to propType it and define relevant defaultProps. But if you are not using any of the props, and you are just passing them down without even accessing them, i would not use propTypes or defaultProps.
In your case does not use any of the props passed to it, but just passes them down to component. Hence you don't need to propType, id or onChange in , but in you are using onChange and since you are rendering a tag, there are props you should supply to it, so you need to check for propTypes

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Nested ng-repeat in the same array level

Tag : jquery , By : simonth
Date : March 29 2020, 07:55 AM
fixed the issue. Will look into that further Create a filter that splits your array in groups of three and nest the groups.
The filter should be something like this:
app.filter('split', function() {
  return function(target) {
    var splitted = [];

    if (!target) {
      return target;

    for(var i = 0; i < target.length; i += 3) {
      splitted.push(target.slice(i, i+3));

    return splitted;
$scope.original = [1, 2, 3, 4, 5, 6, 7, 8, 9];
<div ng-repeat="group in original | split">
  <div ng-repeat="item in group">{{item}}</div>
  <div class="clear"></div>

Iterate properties and nested first level properties

Tag : chash , By : James Dio
Date : March 29 2020, 07:55 AM
I think the issue was by ths following , FlattenHierarchy does not do what you think it does, and instead follows the inheritance hiearchy for static members.
If you'd like to get sub-properties for objects, you'll need to do that yourself:
static IEnumerable<PropertyInfo> FlattenProperties(Type type)
    // Assumption #1: you do not want "simple" types enumerated
    if (!type.IsClass)
        return Enumerable.Empty<PropertyInfo>();

    // Assumption #2: you want to ignore "the usual suspects"
    if (type.Namespace != null && type.Namespace.StartsWith("System"))
        return Enumerable.Empty<PropertyInfo>();

    // Assumption #3: your class hierarchy won't destroy recursion
    // Assumption #4: you simply want the PropertyInfo
    return type.GetProperties(BindingFlags.FlattenHierarchy
                            | BindingFlags.Instance
                            | BindingFlags.Public)
               .SelectMany(pi => new[] { pi }
// Replace Assumptions #1 and #2 above with this:
// Assumption #5: given interface ISomething { }
if (!typeof(ISomething).IsAssignableFrom(type))
    return Enumerable.Empty<PropertyInfo>();
static IEnumerable<IEnumerable<PropertyInfo>> FlattenProperties(
    Type type,
    IEnumerable<PropertyInfo> ancestors = null)
    // change to Assumptions #1/#2 or #5 to yield break
    // ...

    ancestors = ancestors ?? Enumerable.Empty<PropertyInfo>();
    var properties = type.GetProperties(
                        | BindingFlags.Instance
                        | BindingFlags.Public);
    foreach (var property in properties)
        // again, Assumption #3: your class hierarchy won't destroy recursion
        // Assumption #6: you actually want the initial nested property too
        yield return ancestors.Concat(new[] { property });
        foreach (var nested in FlattenProperties(
            ancestors.Concat(new [] { property })))
            yield return nested;
// foreach (var tree in FlattenProperties(typeof(Car)))
// {
// Console.WriteLine("{0}", String.Join(".", tree.Select(pi => pi.Name)));
// }

angular nested ng-repeat not working on third level

Tag : javascript , By : Anna
Date : March 29 2020, 07:55 AM
this one helps. I am using the following nested ng-repeat , You have a typo in the ng-repeat, you're missing the =:
      <ul ng-repeat="image in exercise.images">

Angular JS nested ng-repeat of only one top-level object?

Tag : javascript , By : Matt Leacock
Date : March 29 2020, 07:55 AM
may help you . You can use the filter filter for this (assume here that theOrder is a scope variable with the order number that you want):
<div ng-repeat="order in orders | filter:{ordernum: theOrder}">
function OrderController($scope) {
  $scope.orders = [{
    ordernum: 3,
    parcels: [{
      upid: 9
    }, {
      upid: 15
  }, {
    ordernum: 7,
    parcels: [{
      upid: 1

  $scope.theOrder = 3;
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.20/angular.min.js"></script>
<div ng-app="" ng-controller="OrderController">
  <select ng-model="theOrder">
    <option value="{{order.ordernum}}" 
            ng-repeat="order in orders">{{order.ordernum}}</option>

  <div ng-repeat="order in orders | filter:{ordernum: theOrder}">
    order {{order.ordernum}}
    <div ng-repeat="parcel in order.parcels">
      <div ng-repeat="sku in parcel.skus">

Nested ng-repeat in Angularjs displayed at the same level

Tag : angularjs , By : chawei
Date : March 29 2020, 07:55 AM
wish of those help What's the purpose of it? A < div> inside a < span> is considered bad practice and I'd advise you to change your CSS if appropriate. There may be a good reasoning for it though, but this question doesn't give enough details for an answer.
And coming to your above problem it can be achieved by creating another array consists of buttons like below.
    $scope.navigation= [{ "id": "A", "buttons": [{ "id": "A1" }, { "id": "A2" }] },
                        { "id": "B", "buttons": [{ "id": "B1" }, { "id": "B2" }] }];

    $scope.buttons = [];
    angular.forEach($scope.navigation, function (tab) {
        angular.forEach(tab.buttons, function (button) {
   <div> <div data-ng-repeat="button in buttons">{{button.id}}</div> </div>
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