My app uses CoreData. One of the entities is final class ViewItem: NSManagedObject { // … } During unit tests, I am trying to execute the following fetch request: let viewItemFetchRequest = NSFetchRequest<ViewItem>(entityName: "ViewItem") as viewContext.performAndWait { do { let…
I want to get the value of a nested object within an array. I get the _id of the parent object, as well as the _id of the child object within the array, but I am not able to retrieve…
Let's say I have some documents that have an array like this: [ { "_id": ObjectId("5a934e000102030405000000"), "letters": ["a","b","c","d"] }, { "_id": ObjectId("5a934e000102030405000001"), "letters": ["a","b"] }, { "_id": ObjectId("5a934e000102030405000002"), "letters": ["a"] }, { "_id": ObjectId("5a934e000102030405000003"), "letters": ["x","a","b"] } ] I want…
I have several documents, I want to remove the alphabet from the data field, based on the 1st _ in the data field, please see the following output. and if the data is empty the get message "Not Auto found".…
I'm trying to get a list of reviews from an api. This gives me a JSON with nested properties. I manage to get almost all the data I need except from the nested array ["value"]["answers"]["value"] because sometimes the array ["answers"]…
I am new to Python to Stackoverflow and GUI Python (please be gentle) and am trying to aplaing how to do a KNN analysis. I am using a combination of codes I built it myself: Python - AttributeError: doc =…
Forgive the contrived example below, but how can I filter like this? Using a Set to dedup isn't an option since my real data objects have another property that is unique for each. struct MyDataObject { var startDate: Date var…
i'm trying to get the text in the reference class div without getting the text in the inner div. I just want what's inside a <div class="class1"> -> "123456789" without taking "abcdefg". <div class="class0"> <div class="class1"> <div class="class2"> abcdefg </div>…
I have a weather app that I am creating. I use an API (OpenWeatherApp) to get my data. I load the data into an array, weatherArray, of type struct WeatherJSON. I can successfully access the data using a ForEach loop,…
How might I query MongoDB for all documents where at least one value in an array falls inside a range, e.g. 8 to 10. If I query it as an enumeration, this works as desired: {x : {$in: [8, 9,…