I have a dictionary of objects that need to be cleaned up before they are released. I have a method that does this for the entire dictionary. Before I release the dictionary in my -dealloc method, ...

I'd like to know what is the proper way to dealloc an ivar NSOperationQueue in case it has still some operations running, which can typically occur when the user suddenly quits the app. In some exa...

Does the order of statements in the dealloc method matter? Does the [super dealloc] need to be at the top of the method? Does it matter? Also in e.g. viewDidLoad. Should [super viewDidLoad] be at ...

I have a Navigation based view controller and in the view controller i have hidden the top navigation bar and use a custom UIView as the navigation bar. The UIView bar has a back button and I use ...

I load from NSUserDefaults in my object's init method. Can I save to NSUserDefaults in my object's dealloc method? Something exactly like: -(void)dealloc { NSUserDefaults *userDefaults = [NSUser...

The following process leads to a crash of my app: the user opens a view and a request is send to the server the request is executed in background the user navigates back to the root view the r...

I inherited an iPhone app at work and I'm new to Objective-C so I don't have my bearings just yet. I encountered code similar to this: - (void) dealloc { [[StaticObject sharedObject] showSomeDial...

Let's say I have an object named "foo" with another object named "bar" as property. When "foo" deallocates, will it automatically remove all references to "bar" so that "bar" deallocates as well?...

In the dealloc method for a class how would I print out the ID (or some other unique identifier) for the instance being deallocated? - (void)dealloc { NSLog(@"_deallocing: ??"); [super dealloc]...

Wondering if someone with experience could possibly explain this a bit more. I have seen examples of... [view release]; view = nil; ....inside the (void) dealloc. What is the difference and...

I declare my array in my *.h file: @interface aViewController: UIViewController { NSMutableArray *anArray; // You will need to later change this many times. } @end I alloc memory for it my *.m...

I'm working on a Java server that handles a LOT of very dense traffic. The server accepts packets from clients (often many megabytes) and forwards them to other clients. The server never explicitly...

I know that discussions about coding styles tend to end in disaster and endless flame wars, but that’s not what I want to reach. During the last decade I mainly saw two different coding style...

Or, what is the opposite of +(void)initialize? Here's my situation: I have a class Unit, whose -(id)initWithName: function takes data from a global NSDictionary, which is created lazily, defined ...

I've heard now from several sources (stackoverflow.com, cocoa-dev, the documentation, blogs, etc) that it is "wrong" to use accessors and settings (foo, setFoo:) in your init and dealloc methods. I...

I think I know the difference, but don't know how to explain that correctly. dealloc removes the memory reserved by that variable totally and immediately. release decrements the retain counter of...