core-data
Odd NSNumber Output - Core Data
When Following the CoreDataBooks sample code and implementing it into my app, I have reached a very odd bug/glitch with an NSNumber(Integer 16).[详细]
2023-04-11 21:38 分类：问答Core Data Encryption?
I have entities Account and CreditCard in Core Data. An account can have multiple creditCards. Each creditCard has an number. How do I encrypt the number?[详细]
2023-04-11 21:24 分类：问答Core data insert and fetch to-many relationship entities
I am new to core data therefore I have got few questions. I\'ll ask two 1) I have two entities named Team and TeamMembers. They have to-many relationship i.e. one team can have many members. First pl[详细]
2023-04-11 20:47 分类：问答Can I assign a just inserted ManagedObject to self?
I have the following factory method. I\'m just wondering if the assignment self = [NSEntityDescription insertNewObjectForEntityForName:entityName[详细]
2023-04-11 19:05 分类：问答How to perform changes on Core Data set without iterating the results?
If NSFetchRequest is the Core Data equivalent of an SQL query containing SELECT, is there a Core Data equivalent of the SQL command UPDATE?[详细]
2023-04-11 16:44 分类：问答MOMC error with XCode4 and Data Model Compile
Whenever I build my project, I\'m getting the error: Command /Developer/开发者_JAVA技巧usr/bin/momc failed with exit code 1[详细]
2023-04-11 15:12 分类：问答How to update grandparent table view
I am working on a multiple view controller scheme and a user may change a value shown in the deepest view. Say A is top, B is second and C is third.[详细]
2023-04-11 14:54 分类：问答iphone: Core Data: NSManagedObjects and UITableView crash
This fetch method work perfectly and the NSLog prints out the contents of the database...(fetchedObjects in an NSArray):[详细]
2023-04-11 14:01 分类：问答CoreData MultiThreading Delete
In my iPad application, I am using Multithreading to read data from my database and hence I am using different manged object contexts as explained Fred McCann\'s blog[详细]
2023-04-11 13:20 分类：问答NSFetchRequest with distinct properties
I\'m trying to get a distinct result from NSPredicate. My code: NSFetchRequest *request = [[NSFetchRequest alloc] init];[详细]
2023-04-11 12:08 分类：问答
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