cemuzunlar

+ (void)sendAsynchronousRequest:(NSURLRequest *)request queue:(NSOperationQueue *)queue completionHandler:(void (^)(NSURLResponse*, NSData*, NSError*))handler {
	[NSURLConnection request:request queue:queue completionHandler:^(NSURLResponse *response, NSData *data, NSError *error) {
		if (err) {
			[self showRetryDialog:^(bool retryClicked, bool cancelClicked) {
				if (retryClicked) {
					[self sendAsynchronousRequest:request queue:queue completionHandler:handler];
				}
				else {
					handler(nil, nil, nil);
				}