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Published on 2010-04-28T16:18:01Z
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I want to iterate through all of the objects in my NSManagedObjectContext, and update them manually. Then, every managed object should be updated. What's the best way to do this?
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So I started reading this book:
http://www.amazon.com/Cocoa-Design-Patterns-Erik-Buck/dp/0321535022
On chapter 2 it explains about the MVC design pattern and gives and example which I need some clarification to.
The simple example shows a view with the following fields:
hourlyRate, WorkHours, Standarthours…
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Hello,
I want to drag a row from my tableview and drop it into any other NSTextField in Mac OS X 10.6, and have a string of text be dropped.
Drag and drop already works within my app (between a NSTableView and an NSBrowser), but I have had no success putting any data on the pasteboard that can…
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I need to translate the a carbon method into cocoa into and I am having trouble finding any documentation about what the carbon method getPtrSize really does. From the code I am translating it seems that it returns the byte representation of an image but that doesn't really match up with the name…
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Hi
I am trying to send some text in an email from my cocoa app (by using Mail.app). Initially I tried using HTML to send properly formatted text. But the mailto: URL does not support html tags (even after setting headers)
So I decided to use formatted string (left-aligning of string) This is what…
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Having just updated Mono to 2.6.3 (on OS X), I noticed in the installer that cocoa# 0.9.5 is also installed. However using MonoDevelop there are no cocoa# project templates by default, and I was wondering if anyone knew more about creating cocoa# apps.
If you goto the cocoa# page on the Mono site…
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Hi
I parse an xml file containing books, for each new node I go:
Book *book = (Book*)[NSEntityDescription insertNewObjectForEntityForName:@"Book" inManagedObjectContext:managedObjectContext];
To obtain an NSManagedObject of my Core Data Book Entity, I then proceed to populate the managed Book…
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I want to iterate through all of the objects in my NSManagedObjectContext, and update them manually. Then, every managed object should be updated.
What's the best way to do this?
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I am trying to create an application which allows background threads to update core data objects while the user might be reading the same data.
My approach to this would be to use multiple NSManagedObjectContexts and then before a background thread does a -save: operation, I fetch the object the…
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I have a application that combines threading and CoreData. I and using one global NSPersistentStoreCoordinator and a main NSManagedObjectContextModel.
I have a process where I have to download 9 files simultaneously, so I created an object to handle the download (each individual download has its…
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Hey,
I created a class ServerModel for my app and in it I want to make a connection to the Sqlite database I have on the device, but anytime I go to check my NSManagedObjectContext it is returning null.
While the same work well in my other class RootViewController
In my appdelegate I am doing
…
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