I have an application where a user creates settings that are stored in an NSMutableDictionary. I have to send this to a server, whe开发者_开发百科re it can be later retrieved by a recipient.
I\'m starting with the following snip to download an image NSError *error = nil; NSString *url = @\"https://...\";
I\'d like to use CocoaHTTPServer to set up peer-to-peer communication between different instances of an application on a network. Setting up the server was quite easy, but writing the client is anothe
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I am getting image data in form of char * (stored on sql server). I wa开发者_运维百科nt to convert those data to NSData to display image in UIImage view.
I\'ve already managed to get the devicetoken from APNs. It\'s type of NSData. So i want to write this d开发者_开发百科eviectoken into my mysql db.
开发者_Go百科How do we clear an NSMutableData without using release and then re-alloc/init again to be used again?
I am using NSData to get content from a URL (RSS feed) and then parse it. While most of the URLs are loaded fine, some of them don\'t return any data.
I am coding an iPhone application where images are transferred from one iPhone to another using Bluetooth.How do I archive an image and send it to another iPhone, then un-archive the image back?Archiv
Is there anyway I can look at the size of a file the application creates in bytes then store that number to use later?O开发者_运维问答R is there any way I can tell if an object in an NSArray is empty,
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