36 questions
With CoreDataI'd like to display adata in the list with Entity as AData and attribute as adata, but I can't find items.adata because the initial value is empty.says items.adata?But it will come out.Wh...
It's the same machine, but there's two data collected from different sensors (I'll call it A, B). Both data were collected in seconds.There is one column that collected the same information from the A...
Hi, everyone We're going to use random forest to create a prediction forest Overfitting occurs. We adjusted various parameters due to overfitting, but there is no big change. When I looked up the reas...
Xcode Version 8.1(8B62) DeploymentTarget iOS 8.4We are creating a process to add data to Core Data.The Xcode feature automatically generated subclasses and added self-made methods.//Media+CoreDataClas...
How do you generate fetch conditions for Float values?The condition setting for the Ingteger value yielded the expected result, but the condition setting for the Float value did not yield the expected...
I want to manage TableView data sources in the middle of the layout in the UIViewController with the FetchedResultsController, but it does not recognize TableView (see error message below).2018-10-25 ...
When I built the application that used CoreData in swift3 with swift4, the following check dependencies came outThe use of Swift3 @objc reference in Swift4 mode is decremented. Please address decremen...
For example, if you create an entity called Data in CoreData, you can use Suppose you create Type:Date Attribute, day in it.And when I tried to pull the day for a particular date (I will ignore the ti...
This is my first time to ask a question.It may be difficult to read, but please forgive me.CoreData is trying to create a two-tier table view.The data models are as follows:·Main class Attribute Name,...
I saved CoreData under the entity name Story.The contents are only attributes, and This is the configuration.Use NSPredicate CONTAINS to do thisNSFetchRequest* request = [NSFetchRequest fetchRequestWi...
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