How can I convert a string in hex format to retrieve from it an NSData and after that an UIImage inside of my iPhone app?
What exactly happens when I d开发者_Python百科o this...? NSData *data = [[NSData alloc] initWithContentsOfURL:[NSURL urlWithString:@\"...\"]];
I need to populate an array with BLOB type data retrived from SQLite DB.At present i am using NSData to display the image开发者_如何学编程,but i want to put the image in an array and display it in the
I have a score system and I would like to log all scores in a text file separated by line breaks. Here is my current save code:
I\'ve got some code to load an image from a URL, it seems to work ok.Unless the URL contains curly brackets.This seems like it is a string formatting problem?I can\'t figure it out.
I am trying to write an nsdata to a file on my disk, I have the following code and it doesn\'t work, am i doing anything wrong?
Does NSMutableArray support recursive serialization? E.g. will a NS开发者_开发问答MutableArray of NSMutableArray\'s serialize the entirety of the heirarchy out when calling writeToFile?
I have an iPhone application that needs to save an image onto the database in BLOB format. The problem is that if the image is in .gif format then it cannot be converted to NSDATA format and hence i a
So I have this: NSData *charlieSendData = [[charlieImputText stringValue] dataUsingEncoding:NSUTF8StringEncoding];
I am getting buffer with its length in a function (void)putEncodedData:(void *)data ofSize:(unsigned)size
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