I have an iPhone app up on the store which uses core data. Now, every time I change something in my code with relation to 开发者_开发技巧core data, namely my managedobjectmodel or my model classes, I
This question already has answers here: 开发者_如何转开发 Closed 10 years ago. Possible Duplicate:
I have a core data entity which has an exclusive one to many relationship with another entity. This relationship is supposed to be a basic containment the first entity contains one or more of the seco
Since i\'m new to iPhone programming, I want to do something like that: In the main screen of my app, i ask for username and password and authorize user using these info calling .net web service. In t
How would I delete selected NSTableView row and it\'s corresponding Core D开发者_JAVA百科ata entry?Assuming your NSTableView is bound to an NSArrayController (which is the most common pattern when dea
I\'ve been through a bunch of Core Data examples and the Apple documentation.I\'m at a wall after working on this all day.
In a test iPhone app I am developing, I am trying to set the value of a float field in my Core Data model. The compiler is giving me an incompatible type error even though both the data type specified
I\'ve got a Core Data setup where each object has an NSDate, and a method that returns the date as a string (i.e., \"12/15/2009\"). The objects are displayed in a table view, and I\'d like to sort the
Core Data is pretty amazing, and I\'ve really enjoyed using the visual layout Xcode provides for it to organize things and get a quick sample of what data I\'ve placed where.At times I\'ve started to
I\'ve got a window set up with two NSTableViews.In Core Data I have two entities set up, one of them containing members of the other, larger grouping (e.g. cars and manufacturers).I\'ve got entry page
加载中,请稍侯......