I was given a framework written by other programmers to access the core data. In this situation i receive a pre-loaded NSFetchedResultController which I need to filter, to display a part of it\'s data
I need to build an NSPredicate with many pieces of data.For example in SQL I would do something like the 开发者_StackOverflowfollowing:
I have a NSFetchedResultsController which displays data in a UITableView. I\'m using the boiler plate code provided by Xcode when choosing to create a Core Data project. I added the following predicat
I currently have a \'Topic\' entity defined in my system as: @interface Topic :NSManagedObject { } @property (nonatomic, retain) NSString * path;
hi i have Core Data database with numerical attributes. they are NSNumbers. Default value is 0.0 but when i try to do some NSPredicated fetch, i get \"\'NSInvalidArgumentException\', reason: \'Invalid
I have an app I am working on that has 2 entities linked by a relationship (many to many). I currently have the app set up so that the rootviewcontroller controls the NSManagedObject (getting, setting
I am currently having an issue pulling all data from db whereby i.e 1 parameter is TRUE. I am using NSPredicate and below is a sample code
Say I have core data objects of type \"obj\" that has a property \"propertyA\" and a one-to-many relationship with an object of type \"sub\" that has two properties, \"propertyB\" and \"propertyC\".
Could someone please help me define a predicate that returns only NSManagedObject\'s who\'s \"letters\" attribute开发者_开发技巧 length is within a certain range?
Here is the model I have: http://www.girardet.ch/model.png My goal is to retrieve all the Quotes with these criterias:
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