nspersistentdocument
Is -makeWindowControllers the best place to initialize an NSPersistentDocument?
When loading an existing document开发者_如何学JAVA using NSPersistentDocument, as part of initialization I\'d like to prepare some content:[详细]
2023-04-12 22:09 分类：问答NSManagedObjectContextObjectsDidChangeNotification not always called instantly
I have an Mac Application using a NSPersistentDocument. I want to get notified when Objects are deleted to save this information using Core Data. So I\'m listening for NSManagedObjectContextObjectsDid[详细]
2023-04-12 07:39 分类：问答Undo manager not up to date with NSPersistentDocument
I have some calculated values in the core data database that I need to update just before saving. Basically I\'m numbering some entities in order to ease up the navigation between them.[详细]
2023-04-12 07:13 分类：问答NSPersistentDocument – how to access the window?
I want to set some properties of the window of my NSPersistentDocument object. How do I get access to it?开发者_开发知识库[详细]
2023-04-11 06:55 分类：问答Handling command line arguments from NSPersistentDocument
I\'ve an application based on NSPersistentDocument, it has three different views based on diffrent conditions and data and every works fine.[详细]
2023-03-24 13:48 分类：问答Creating a new NSManagedObject within an NSPersistentDocument refuses to save even though undo shows as possible
I have a开发者_运维问答 CoreData / NSPersistentDoc app. It works fine. I added a new entity to the MOM, and updated the version.[详细]
2023-03-16 08:16 分类：问答NSPersistentDocument crash when creating persistent store
Recently I added a new entity into my Core Data model, so I cr开发者_C百科eated a new version for the model and a mapping model for it. However, now my NSPersistentDocument crashes with no obvious rea[详细]
2023-02-15 22:54 分类：问答UIGraphicsGetImageFromCurrentImageContext gives poor quality / low resolution image, how do I get better?
Ok so I am taking a screen shot of a photo I took with my camera on the iPhone. I put the camera photo into UIImageView and grab a screenshot of it using this sort of code (this is from http://www.sky[详细]
2022-12-27 16:47 分类：问答
![Interactive visualization of a graph in python [closed]](https://www.devze.com/res/2023/04-10/09/92d32fe8c0d22fb96bd6f6e8b7d1f457.gif)
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