我正在拿回载功能中的微量值,但没有在<条码>-(int)编号OfRows InTableView:NSTableView *)pableViewObj
我无法理解原因。 如何做到这一点?
你们必须保留这些阵列,而另一类则可能释放。
- (void) setMutableArray:(NSMutableArray *)arr
{
[instanceVar release];
instanceVar = nil;
instanceVar = [arr retain];
}
你们应该更加清楚你们的守则,但是,在你“造就”或设置阵列时,也许会增加一些伐木点。
I ve got the problem when I tried to do asynchronous requests to server from background thread. I ve never got results of those requests. Simple example which shows the problem: @protocol ...
i have a void, like -(void) doSomething in a specific controller. i can call it in this controller via [self doSomething], but i don t know how to call this void from another .m file. I want to call ...
Is there any way to obfuscate Objective-C Code ? Thanks
Created a View based Project and added a contact to the AddressBook using ABAddressBookRef,ABRecordRef now i wanted to display the added contact ABPersonViewController is the method but how to use in ...
I m pretty new to the Objective-C world and I have a long history with .net/C# so naturally I m inclined to use my C# wits. Now here s the question: I feel really inclined to create some type of ...
I have a simple Core Data app which displays a list of entities in the main window. To create or add new entities, I use a second modal window with a separate managed object context so changes can be ...
I m trying to show a database information in a tableview and then the detailed information in a view my problem is as follow: I created a NSMutableArray: NSMutableArray *myArray = [[NSMutableArray ...
I am writing an iPhone application which requires the user to enter several values that may contain a decimal point (currency values, percentages etc.). The number of decimal places in the values ...