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How to check for dynamic element names in a typeswitch expression?


How to check for dynamic element names in a typeswitch expression?

By : alex hoffenreich
Date : December 01 2020, 05:00 PM
Any of those help Typeswitch only allows fixed element names, not variables as per definition of XQuery. Instead of matching the elements in the typeswitch, match all elements and use local-name(...) (or name(...) if you have to match namespaces) instead to distinguish the value.
code :
import module namespace functx = "http://www.functx.com" at "MarkLogic/functx/functx-1.0-doc-2007-01.xqy";
declare function local:change($node, $name) 
{ 
  typeswitch($node) 
    case element() return 
      if (local-name($node) eq $name)
      then
        functx:add-attributes($node, xs:QName('att1'), 1)
      else element { fn:node-name($node) } { 
          $node/@*, 
          $node/node() ! local:change(., $name)
        } 
    default return $node 
};
let $test := <test>
                <add>x1</add>
                <c><add>x2</add></c>
                <b>x</b>
             </test>

return local:change($test, "add")


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JSP expression language and dynamic attribute names

JSP expression language and dynamic attribute names


By : Sam1810
Date : March 29 2020, 07:55 AM
I hope this helps you . You can by using implicit objects:
code :
<c:set var="selectedProductAttrName" value="selectedProduct_${product.id}"/>
${requestScope[selectedProductAttrName]}
expression engine dynamic variable names: {slide_{index}_title}

expression engine dynamic variable names: {slide_{index}_title}


By : Justin Sitarz
Date : March 29 2020, 07:55 AM
it should still fix some issue I'm assuming that Loop Plus (http://devot-ee.com/add-ons/loop-plus) sets the {index} part, so the question is what is defining {slide_1_title}...?
Assuming you have an entry field or variable with this defined, what you have is correct, but if it's not working, it means there's a parsing order issue.
code :
{exp:loop_plus start="1" end="4" increment="1" parse="inward"}
    <h3>{slide_{index}_title}</h3>
{/exp:loop_plus}
Angularjs - How do we watch dynamic elements from ngRepeat, with dynamic ng-model names, and filter element values on AN

Angularjs - How do we watch dynamic elements from ngRepeat, with dynamic ng-model names, and filter element values on AN


By : user2425748
Date : March 29 2020, 07:55 AM
To fix this issue I am new to Angularjs. If I just created something that exists in Angularjs already, please let me know with a hug. (I do understand there is an Angular pre-built filter for currency). I do not apologize for writing so much, I prefer for you to have EVERYTHING you need to implement this yourself. Or at least improve on the code I just provided.
I have banged my head against a cement pillow trying to figure out dynamic content. Not just in watching or observing dynamic content, but also a dynamic directive I can practically user on any input. Here is an example case...
code :
<tbody>
  <tr ng-repeat="(rowIndex, tableRow) in paymentData.lineItems" ng-hide='false' ng-class="{ paymentrow:  markedForPay[rowIndex] == true }">

    <td class="table-row row-gray">
      <input type="text" watch-dynamic-input="{ index: {{ rowIndex }}, name: 'accountsTableAmountValues', filter: 'usCurrency'}" class="someClass" placeholder='$0.00' ng-model="tableRow.amount" />
    </td>
  </tr>
</tbody>
.filter('usCurrency', [function () {
  return function (amount) {
    amount = amount.toString().replace(/\D/g, '');
    if(amount.length <= 0){
      return amount.replace(/.+/, '');
    }else{
      if(amount.length == 1){
        return amount.replace(/^/, '$ ').replace(/(\d{1})$/, '.$1');
      }else{
        return amount.replace(/^/, '$ ').replace(/(\d{2})$/, '.$1');
      }
    }
  };
}])
<input type="text" filterElement='usCurrency' class="anyClass" placeholder='$0.00' ng-model="tableRow.amount" />
app.directive('filterElement', ['$filter', function($filter){

  return {
    restrict:'A', // Declares an Attributes Directive.
    require: '?ngModel', // ? gets parent scope if it exists.

    link: function( scope, elem, attrs, ngModel ){
      if( !ngModel ){ return };

      scope.$watch(attrs.ngModel, function(value){
        if( value == undefined ){ return };
        ngModel.$setViewValue($filter( attrs.rsFilterElement )( value )); // Sets ngModelView and ngViewValue
        attrs.$$element[0].value = $filter( attrs.rsFilterElement )( value ); // I would prefer to not have to do this step. Any ideas?
      });
    }
  }
}]);
$scope.accountsTableAmountValues = {};
<input type="text" watch-dynamic-input="{index: {{ rowIndex }}, name: 'accountsTableAmountValues', filter: 'usCurrency'}" ng-change='selected_to_pay(rowIndex)' class="table-text-field-white payment-field-font-color" placeholder='$0.00' ng-model="tableRow.amount" />
watch-dynamic-input="index: ng-repeat index number, name: this is the variable name you created in the controller, without the leading $scope, and as string, filter: this can either be a filter name as a string and case sensitive, or just NULL if you don't want to use a filter here.
watch-dynamic-input="{index: {{ rowIndex }}, name: 'accountsTableAmountValues', filter: 'usCurrency'}"
app.directive('watchDynamicInput', ['$filter', function($filter){

  return {
    restrict:'A', // Declares an Attributes Directive.
    require: '?ngModel', // ? makes looking for controller on parent element.

    link: function( scope, elem, attrs, ngModel ){
      if( !ngModel ){ return }; // If there is no ngModel, then forget everthing else, and just return.  This may be redundant and better off in the $watch function. Haven't tested yet.

      scope.$watch(attrs.ngModel, function(value){
      // Above, let's watch THIS ROW's ng-model="tableRow.amount"; whatever that value might be.  We don't care now because it's all dynamic, upon page render will be undefined at first, then whatever the user types or deletes.  Who cares!!!  

      if( value == undefined ){ return };  // if you are not yet defined, then return.  I'll catch you on the next input change and check again.  It's OK, we are best friends.  

      // We make a local for improved readability, and faster code.
      // Also, the below code transforms our passed in string of: 
      // "{index: {{ rowIndex }}, name: 'accountsTableAmountValues', filter: 'usCurrency'}"
      // into an actual object literal thus becomes...
      // {index: {{ rowIndex }}, name: 'accountsTableAmountValues', filter: 'usCurrency'}

      var passed_object = scope.$eval(attrs['watchDynamicInput'])

      // and now this works passed_object.index or passed_object.name

      // We allow dynamic filters, or we don't-a as a NULL can be passed into HTML || a filter name
      value = passed_object.filter ? $filter(passed_object.filter)(value) : value;

      // We set the THIS model value to new value (filtered or not, whatever: we're easy like that)
      ngModel.$setViewValue(value);

      // We have to set the element value as well or the filter amount will not display in input
      // I think I am strong arming this.  I just want the ACTUAL element value to match the ngModel.
      attrs.$$element[0].value = value; 

      // Now we just add the new value to our object literal we created in the controller.
      // It will always create a key if nothing is in the object, or it will write over the current value.  If you require ALL inputs old and new you could rewrite and use an array.

      scope[passed_object.name][passed_object.index] = value;

      // This object would now look something like {0: 'row0inputvalue', 1: 'row1inputvalue' etc...}
    });
  }
}
scope.$watch('accountsTableAmountValues', function(amounts){
// You can do what you want now.  I iterate of amounts and sum the values
// and then transfer the result to my $scope.grandTotal in my controller.
// Now I have a way of ALWAYS summing the total on ANY input change to payment amount column inputs
// that were created without knowing the ng-model name or how many there may be.  

}, true); // The true setting here checks the new version to the old version. I need this for my example, but you may not.  
Pandas run expression to filter out columns with dynamic list of column names

Pandas run expression to filter out columns with dynamic list of column names


By : Artur Kurogjan
Date : March 29 2020, 07:55 AM
wish helps you I think you can use boolean indexing with all for check all True values:
code :
df = pd.DataFrame({'A':[1,2,3],
                   'B':[1,5,6],
                   'C':[1,8,9],
                   'D':[1,3,5],
                   'E':[5,3,6],
                   'F':[7,4,3]})

print (df)
   A  B  C  D  E  F
0  1  1  1  1  5  7
1  2  5  8  3  3  4
2  3  6  9  5  6  3

cols = ['A','B','C']
val = 1

print (df[cols] == val)
       A      B      C
0   True   True   True
1  False  False  False
2  False  False  False

mask = ~(df[cols] == val).all(axis=1)
print (mask)
0    False
1     True
2     True
dtype: bool

print (df[mask])
   A  B  C  D  E  F
1  2  5  8  3  3  4
2  3  6  9  5  6  3
Use XPath expression to find always the last element of a hierarchy of similar element names

Use XPath expression to find always the last element of a hierarchy of similar element names


By : user3480175
Date : March 29 2020, 07:55 AM
wish of those help One thing you can do is to add a check for having a direct PRODUCT child:
code :
//PGR[./PRODUCT]
//PGR[not(PGR)]
//PGR[count(descendant::*) = 1]
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