I cant seem to get nsdata to write to a file. Any ideas what i may be doing wrong. Thanks in advance.
have an app that can take 开发者_开发百科a picture and then upload to a server. encoding it to base 64 and pass it thru a XMLRPC to my php server.
When I call readDataOfLength: on an NSFileHandle开发者_高级运维 instance, do I need to release the returned NSData? Currently I\'m not, but I would like to get rid of this nagging doubt.Nope. Cocoa\'s
I have an image which i want to send as byte array to a server .I want to know how to convert uiimage to byte array ?开发者_开发百科 I have to send parameter as
From AddressBook\'s API ABPersonCopyImageData I can get a CFDateRef which is toll-free bridge to NSData. And I want to write this data开发者_StackOverflow社区 to file, but what file extension should I
I\'m trying to send hexadecim开发者_如何转开发al data via WiFi. The code is something like this:
I need t开发者_运维知识库o use thewriteToFile: methods in writing data (that is encrypted) to a file. However, say I have:
I use url connection (http). - (void)connection:(NSURLConnection *)connection didReceiveData:(NSData *)data {
In my app I am using the camera and photo library to get an UIImage, this UIImage is then scaled down about 20 times its normal size
I am usinga byte array to开发者_StackOverflow社区 store Nsdata of(4840 bytes) and nnow i have to access the data at index of byte array.here is my code .
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