Why, when an image does not exist at a specified URL, does didFailWithError not get calle开发者_如何学Pythond?For example:
Does anyone know in which situations initializing a NSURLConnection returns nil instead of the created connection. The documentation says it\'s possible but fails to specify when this happens.
I have a ViewController defined as follows: @interface SectionController : UITableViewController { NSMutableArray *sections;
I have a problem similar to the one described in the link below.开发者_如何学运维 NSHTTPURLResponse statusCode is returning zero when it should be 401
I have a few apps that I am trying to develop a reusable URL connection layer. I h开发者_Go百科ave done some research and am struggling between architectures. Specifically the APIs this layer utilizes
Hi I am trying to create a NSOperaion Queue to download a bunch of PDF files. But it doesnt work. The delegate methods dont get called for NSURLConnection since i put them in NSOperation queue.... 开发
i am trying to use progressbar while downloading using NSUrlConnection am missing somthing but dont know what
开发者_运维知识库i have a pretty basic iphone app, makes some web calls with: NSData *response = [NSURLConnection sendSynchronousRequest:request returningResponse:nil error:nil];
I\'ve queried this forum for hours looking for an idea/answer/solution for my problem, but came up empty every time.
I am downloading 开发者_StackOverflowa 25+ mb file from the server. Is there a way to predict the remaining time to download ? if yes how ?If you use ASIHTTPRequest instead of NSURLConnection, there a
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