How do I check if a file exists on a web site?I am using NSURLConnection with my NSURLRequest and an NSMutableData object to store what comes back in the didReceiveData: delegate method.In the connect
Background I\'m writing an part of my app that has no UI. It sits in the background watching what you do and timing your work.
I implemented lazy image load for my UITableView using NSUrlConnection. This is all working very nicely. When I open my table, I automatically get the images when I wait for a second (on 3G). However,
I\'m starting with the following snip to download an image NSError *error = nil; NSString *url = @\"https://...\";
I am able to download a ZIP file from the internet.Post processing is done in connectionDidFinishLoading and works OK except no UIView elements are updated.For example, I set statusUpdate.text = @\"Un
I have multiple views which make the same NSURLRequest/NSURLConnection request. Ideally, in order to get some code reuse, I\'d like to have some sort of a \"proxy\" which does all the underlying work
I ne开发者_开发技巧ed to invoke an initial GET HTTP request with Basic Authentication. This would be the first time the request is sent to the server and I already have the username & password so
I have an iPhone app that does XML parsing from a URL. I have a sample.xml file in my Resources dire开发者_StackOverflow中文版ctory (in XCode) that I\'d like to use.
I\'m currently asynchronously using NSURLConnection with several UIViews (every view handles NSURLConnection as delegate). The problem I have 开发者_Python百科is when user switches views too fast and
I\'m following the official Apple sample http://developer.apple.com/mac/library/DOCUMENTATION/Cocoa/Conceptual/URLLoadingSystem/Tasks/开发者_如何学CUsingNSURLConnection.html
加载中,请稍侯......