Hello, In my ionic5/angular application I use the same data in several pages, in bootstrap/angularjs I created functions in index to retrieve and stored the info in global variables accessible in other pages using $scope.$parent.$parent.varName. I know in ionic5/angular I can create global datasourc...

Hello I'm trying to query the records in a DB collection that contains undefined in a date type field. According to MongoDB I should use the operator $exists, I have the following syntax: params.criteria = { "dateField": { "$exists": false } }; I'm getting the following error msg...

I'm trying to query in the Server Code a Database collection the records that contain an undefined values in a field (date type). According MongoDB and Appery documentation, I should use the $exists syntax My sintax is as follows: [code]params.criteria = { "dateField": { "$exists"...