iphonecoredatarecipes

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how should I defensively code for possible core data file corruption or loading issues?

I\'m using Core Data in my iPhone application which is fine. I\'m concerned about what approach I should be taking if there is ever an error loading the core data data into my application (or saving[详细]

2023-02-28 15:11 分类：问答
Core Data Recipes Question

This is just a quick question I hav开发者_JS百科e about Apple\'s core data \"Recipes\" project, so I don\'t need elaborate answers.When you edit a recipe you can also edit the type.When the type cell[详细]

2023-02-21 12:15 分类：问答
I am getting the error Wrong type argument to unary minus and Expected ';' before ':' token

I am getting the error Wrong type argument to unary minus and Expected \';\' before \':\' token The error occurs at the - (NSIndexPath *).... line[详细]

2022-12-27 03:16 分类：问答
NSPredicates with custom objects

I have the following problem and I cannot figure out how to solve it. I have an NSSet which contains Person objects (NSDictionary with 2 keys: name, age).开发者_如何转开发 From time to time I get an N[详细]

2022-12-25 23:21 分类：问答
Create Managed Object Model From Existing XSD - iPhone Core Data

I have several existing XML schema files with a defined data model. I would now like 开发者_JAVA技巧to incorporate the exact data model in an iPhone app, using Core Data for persistence. Does anyone k[详细]

2022-12-24 07:22 分类：问答
iPhone Core Data does not refresh table

I\'m trying to write an application with Core Data, and I have been able to successfully read and write to the core data database. However, if I write to the database in one view controller, my other[详细]

2022-12-18 07:13 分类：问答
Objective-C: Hierarchical passing of CoreData in NavigationController

I need some guidan开发者_开发百科ce with this issue I have. I have a navigational Controller, with the root controller making use of CoreData and an NSFetchController. Now, the root controller works f[详细]

2022-12-14 23:35 分类：问答
Managed Object Context in Tab Bar View

Ok. this one\'s a challenge. I have a tableview within a navigation controller. I push it from the roo开发者_如何学JAVAt, where I have an add action that allows me to add a new record. That works fi[详细]

2022-12-10 00:42 分类：问答