I am working an existing iPhone app, while need to change the code of C. I want to use a dictionary in standard C file, simpily, I can not use NSDictionary, compiler said it is invalid in c99(coz the
I need to imlement in cocoa, a design that relies o开发者_StackOverflow中文版n multiple threads.
I have an ivar which is alloc-inited in the init of an object: attString = [[NSMutableAttributedString alloc] init];
In iPhone development, speed is of the essence. Does anyone know if there is a speed difference between using a CoreFoundation type (like CFMutableDictionaryRef) versus a Foundation type (its counterp
iOS /Objective-C: I ha开发者_运维知识库ve a large array of boolean values. This is an inefficient way to store these values – at least eight bits are used for each element when only one is needed.
I have an existing iPhone app that I\'m trying to convert into a universal app for both iPhone and iPad. Everything seems to work fine when I run it on an iPad device, but I get the following runtime
I\'ve just gotten a report from a user that a new build of my app crashes on his machine when he tries to launch it.The crash report is:
Should I release strPhone? What about the coreFoundation object being cast to an NSString? What happens to it?
How can I, within my Cocoa app, get a notification when the currently running VPN开发者_运维知识库 connection disconnects? I\'m running Snow Leopard.You may be able to use the System Configuration fra
I have a function which returns CFTypeRef开发者_如何学运维. I have no idea what it really is. How do I determine that? For example it might be a CFStringRef. CFGetTypeID():