Top "Cocoa" questions

How do I make and use a Queue in Objective-C?

I want to use a queue data structure in my Objective-C program. In C++ I'd use the STL queue. What …

objective-c cocoa data-structures queue

How can I set the icon for a Mac Application in Xcode?

I have been learning a lot about writing Objective-C code and designing in Interface Builder and I wanted to set …

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Changing my CALayer's anchorPoint moves the view

I want to alter the anchorPoint, but keep the view in the same place. I've tried NSLog-ing self.layer.position …

iphone cocoa cocoa-touch uiview

Font size in pixels

On an iPhone how do I calculate the size of a character in pixels for a given point size?

iphone cocoa font-size typography

How to handle app URLs in a UIWebView?

I recently found that my UIWebView was choking on ITMS links. Specifically, from the UIWebView in my app, if I …

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How do copy and mutableCopy apply to NSArray and NSMutableArray?

What is the difference between copy and mutableCopy when used on either an NSArray or an NSMutableArray? This is my …

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Learn C first before learning Objective-C

Being an aspiring Apple developer, I want to get the opinions of the community if it is better to learn …

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Split NSString multiple times on the same separator

I am currently receiving a string like this: @"Sam|26,Hannah|22,Adam|30,Carlie|32,Jan|54" And I am splitting it like this: …

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How do I create a NSTimer on a background thread?

I have a task that needs to be performed every 1 second. Currently I have an NSTimer firing repeatedly every 1 sec. …

objective-c cocoa nstimer nsrunloop nsblockoperation

how to use the object property of NSNotificationcenter

Could somebody please show me how to use the object property on NSNotifcationCenter. I want to be able to use …

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