key-value-coding
How do I track down the source of a KVC exception: this class is not key value coding-compliant for the key toolbar?
I get this error when I try to run my app: 2010-04-29 13:49:01.355 MyApp[56123:207] *** Terminating app due to uncaught[详细]
2022-12-28 11:38 分类:问答Unexpected key-value behavior in a Core Data Context
If I create an array of strings (via key-value coding) containing the names of a Managed Object entity\'s attributes which are stored in the App Delegate the first time, I get an array of NSStrings wi[详细]
2022-12-28 07:37 分类:问答How to integrate KVC in MVC?
So I have an MVC-application in Cocoa. There are some custom views, a controller and a model. Of course, the views need to know some stuff, so they get their data from the controller. However, they do[详细]
2022-12-25 19:41 分类:问答How does NSValue do its magic?
I have an MVC application. The开发者_开发百科 model has a property that is a struct NSSize. It is writable like this:[详细]
2022-12-23 15:06 分类:问答Accessing collection through KVC (to protect collection and be KVO compliant)
I have a class Test which has an array of Foos. I want to provide access to the Foos without exposing the ivar directly. I\'m trying to make this KVC compliant (also to pave the way for KVO compliance[详细]
2022-12-19 11:42 分类:问答Core Data and Runtime Key Value Coding
I was under the impression that with key-value coding, I could set any undefined attribute on a NSManagedObject at runtime and no exception would be thrown, but it wouldbe a way to hold objects attach[详细]
2022-12-18 08:04 分类:问答Cocoa binding to single object from an array
I previously posted this question as a comment on a related thread thinking it was simple.That thread is here:[详细]
2022-12-17 21:37 分类:问答Javascript object key value coding. Dynamically setting a nested value
I\'m working on a little library that lets me do some basic key value coding with objects.Say I have the following object:[详细]
2022-12-17 09:44 分类:问答Access Objective-C property dynamically using the name of the property
I know the string name of a property of an object. How would I go about getting and开发者_JS百科 setting that property using the string?While @weichsel is correct, there is a better way.[详细]
2022-12-15 10:58 分类:问答NSManagedObject subclasses and setValuesForKeysWithDictionary:
I am initializing a NSManagedObject subclass using: - (void)setValuesForKeysWithDictionary:(NSDictionary *)keyedValues[详细]
2022-12-13 05:32 分类:问答