I am using Core Data for my iPhone app. My attributes are set with retained properties. For example, a \"number\" attribute in a \"Thing\" enti开发者_运维知识库ty:
I\'m trying to change the sorting in a NSFetchController on the fly, by some sort of segmented control. To either sort A->Z Z->A type thing.
I came upon this blog post the other day and literally have no idea how to implement it, logically. Any ideas?
I have a window that looks like so: Everytime a record is added, I want the repair ID to be set to a unique number that hasn\'t been used in the table yet. e.g. if there is ID numbers 1,2,3, then w
Let\'s say, for illustration, I was writing an iTunes clone app in Cocoa, that was backed by CoreData. For simplification\'s sake, let\'s say there are two \"sections\", \"Library\" with things like M
I have an application that uses Core Data that has a relationship that I would like to group by. I have NSManagedObject classes that were generated by my .xcdatamodel file, and everything seems to be
I have two 开发者_运维技巧Core Data entities, say Account and House. Each account can have a list of houses and a house can only be in one account, so that\'s a regular one-to-many relationship with a
I\'m working on a Core Data iPhone app that pulls remote resources from the web into NSManagedObjects and saves them locally.
I\'m trying to get total 开发者_StackOverflow社区salary for the whole company by: NSNumber *totalSalary= [company valueForKeyPath:@\"departments.employees.@sum.salary\"];
I have an NSTableView that is done using the typical IB and data bindings. It works well. However I need to put in a Segmented Control to indicate date range. So for example, if user clicks on the \"
加载中,请稍侯......