key-value-coding
Creating an Objective-C object that wraps another object with the same interface - KVC/KVO issues
I need to create an object in one class hierarchy that wraps an object from a different one. They both have very similar interfaces, and I\'d like to automatically have my wrapper forward messages it[详细]
2023-01-12 21:32 分类:问答KVC array: getters vs indexed accessors?
I\'m confused by this: http://developer.apple.com/mac/library/documentation/Cocoa/Conceptual/KeyValueCoding/Concepts/AccessorConventions.html#//apple_ref/doc/uid/20002174-178830-BAJEDEFB[详细]
2023-01-12 10:54 分类:问答UIScrollView not key value coding compliant for key view [duplicate]
This question already has answers here: Xcode - How to fix 'NSUnknownKeyException', reason: … this class is not key value coding-compliant for the key X" error?[详细]
2023-01-07 02:33 分类:问答Does the type in this KVC validation method matter?
For example, in the docs a KVC-style validation method is implemented like this: -(BOOL)validateAge:(id *)ioValue error:(NSError **)outError[详细]
2023-01-03 02:27 分类:问答Do you know of any Key-Value-Coding and Key-Value-Observing session videos on the net?
I know Apple is not the only ressource out there, and many people create great videos in conferences and presentations.[详细]
2023-01-02 23:06 分类:问答How can I write cocoa bindings as code instead of in the Interface Builder?
In my model I got an NSMutableArray that keeps track of a changing number of elements. In my view I got a NSTextField that shows the number of elements.[详细]
2023-01-01 19:55 分类:问答Setting up a "to-many" relationship value dependency for a transient Core Data attribute
I\'ve got a relatively complicated Core Data relationship structure and I\'m trying to figure out how to set up value dependencies (or observations) across various to-many relationships.Let me start o[详细]
2022-12-31 05:36 分类:问答how to udate window controls(NSTextField,NSCheckbox and etc) in binding manually
I am working on an application in which i need to store all the NSObject subclass properties into plist file and then allow users to store it and restore it. We call it profile and it can restore the[详细]
2022-12-31 04:16 分类:问答How to set up a has-many relationship in Cocoa?
I\'m building a (very) simple FTP app in Cocoa, and I need to store information on the different types of servers that are supported. So, I\'ve created a ServerTy开发者_运维问答pe class, which stores[详细]
2022-12-31 00:26 分类:问答iPhone OS: Why is my managedModelObject not complying with Key Value Coding?
Ok so I\'m trying to build this stat tracker for my app and I have built a data model object called statTracker that keeps track of all the stuff I want it to. I can set and retrieve values using the[详细]
2022-12-30 14:24 分类:问答