Related
Gerso 77 I want to match all documents that do not contain a "Company" property or an empty or empty array of "Company" values. User.find({Company: {$in: [null, [] ]}}, function (err, users) {
if (err) { throw err; }
console.log(users.length);
}).
Gerso 77 I want to match all documents that do not contain a "Company" property or an empty or empty array of "Company" values. User.find({Company: {$in: [null, [] ]}}, function (err, users) {
if (err) { throw err; }
console.log(users.length);
}).
Nikolai Golub ： I have a code that returns JSON where one of the fields may be null or an empty array. I have the following code to check: import static org.hamcrest.core.AnyOf.anyOf;
import static org.hamcrest.CoreMatchers.nullValue;
import static org.hamcres
artist I am trying to check if the value of seekbar is less than 0. Currently my seekbar has a value between 0-9. seekbar1 = (SeekBar)findViewById(R.id.sb);
seekbar1.setOnSeekBarChangeListener( new OnSeekBarChangeListener(){
@Override
public void onPr
· 鲍德尔 （Bishnu Paudel I'm having trouble processing JSON data with PHP in Oracle RightNow CRM. Example json is included below. When I try to check the if condition, the data contained in the "person.private_email" property only evaluates to true if some data is
artist I am trying to check if the value of seekbar is less than 0. Currently my seekbar has a value between 0-9. seekbar1 = (SeekBar)findViewById(R.id.sb);
seekbar1.setOnSeekBarChangeListener( new OnSeekBarChangeListener(){
@Override
public void onPr
· 鲍德尔 （Bishnu Paudel I'm having trouble processing JSON data with PHP in Oracle RightNow CRM. Example json is included below. When I try to check the if condition, the data contained in the "person.private_email" property only evaluates to true if some data is
· 鲍德尔 （Bishnu Paudel I'm having trouble processing JSON data with PHP in Oracle RightNow CRM. Example json is included below. When I try to check the if condition, the data contained in the "person.private_email" property only evaluates to true if some data is
Samuel Sharp How to check if an object array value is empty? In this case I want to check if the price value is empty E.g available_cars:{
cars:[
{name:"BMW", price:2000000}
{name:"Volkswagen", price:1500000}
{name:"Audi", price:null}
]
}
spectrum Use Array.s
South Ruan In MongoDB production, if the value of a key is empty or not provided (optional), an empty string value should be used or null should be used as the value. 1) Are there any pros and cons between using empty strings and null? 2) What are the advantag
South Ruan In MongoDB production, if the value of a key is empty or not provided (optional), an empty string value should be used or null should be used as the value. 1) Are there any pros and cons between using empty strings and null? 2) What are the advantag
Xge I have about 200,000 documents in a collection like this: {
"_id": "tdhABqSZPEZ2fFcEzOVCb-q8d",
"user": "testuser",
"content": "Test Content"
}
I have an array with about 50,000 entries: let arr = ["tree", "apple", "test", "orange", ...otherEntries] //
Nida Amin I am trying to find if an array is empty by writing the following mongodb projection query with an if else condition. [
'$project' => [
'_id' => 1.0,
'Name' => 1.0,
mistery_girl： Is it possible to check if a value is not null and not an empty string in Java? I am using one of the following: var data; //get its value from db
if(data != null && data != '') {
// do something
}
But I wonder if there is another better sol
ziiweb ： Is this a good way to check the value of a field null? if($('#person_data[document_type]').value() != 'NULL'){}
Or, is there a better way? Ancient method: The value of the field cannot be null, it is always a string value. This code will check if the
Mr Robot: I have a problem trying to get data from the state, 2 values appear in console.log. I want to remove null values, but I've exhausted all methods. How to remove a null value? class DetailOrderTracking extends Component {
constructor(props) {
username How to check if value is not empty and not null. In the controller:$scope.data.variable = 'some valid data'; <div ng-if="data.variable != ''">something else</div> thanks AWAY Because both null and empty are falsy values div.variable if not nullor empt
mistery_girl： Is it possible to check if a value is not null and not an empty string in Java? I am using one of the following: var data; //get its value from db
if(data != null && data != '') {
// do something
}
But I wonder if there is another better sol
username How to check if value is not empty and not null. In the controller:$scope.data.variable = 'some valid data'; <div ng-if="data.variable != ''">something else</div> thanks AWAY Because both null and empty are falsy values div.variable if not nullor empt
ziiweb ： Is this a good way to check the value of a field null? if($('#person_data[document_type]').value() != 'NULL'){}
Or, is there a better way? Ancient method: The value of the field cannot be null, it is always a string value. This code will check if the
Mr Robot: I have a problem trying to get data from the state, 2 values appear in console.log. I want to remove null values, but I've exhausted all methods. How to remove a null value? class DetailOrderTracking extends Component {
constructor(props) {
Ze this is my code <script>
var _getValue = @myViewModel.myInfo.Name == null ? 'isNull' : 'notNull';
</script>
@myViewModel.myInfo.NameThe value in the database is empty, but this code always returns notNull. How can I properly check for null or null? Niti
username How to check if value is not empty and not null. In the controller:$scope.data.variable = 'some valid data'; <div ng-if="data.variable != ''">something else</div> thanks AWAY Because both null and empty are falsy values div.variable if not nullor empt
username How to check if value is not empty and not null. In the controller:$scope.data.variable = 'some valid data'; <div ng-if="data.variable != ''">something else</div> thanks AWAY Because both null and empty are falsy values div.variable if not nullor empt
mistery_girl： Is it possible to check if a value is not null and not an empty string in Java? I am using one of the following: var data; //get its value from db
if(data != null && data != '') {
// do something
}
But I wonder if there is another better sol
ziiweb ： Is this a good way to check the value of a field null? if($('#person_data[document_type]').value() != 'NULL'){}
Or, is there a better way? Ancient method: The value of the field cannot be null, it is always a string value. This code will check if the
Mr Robot: I have a problem trying to get data from the state, 2 values appear in console.log. I want to remove null values, but I've exhausted all methods. How to remove a null value? class DetailOrderTracking extends Component {
constructor(props) {
username How to check if value is not empty and not null. In the controller:$scope.data.variable = 'some valid data'; <div ng-if="data.variable != ''">something else</div> thanks AWAY Because both null and empty are falsy values div.variable if not nullor empt
Bartek Kosa How to check an array variable $a = array('a'=>1, 'c'=>null);
Set to null. function check($array, $key)
{
if (isset($array[$key])) {
if (is_null($array[$key])) {
echo $key . ' is null';
}
echo $key . ' is se