nsdata
How to convert NSData into string in iPhone SDK?
I am developing an iPhone application in which camera image store in NSData through UIImageJPEGRepresentation now i want to convert this NSData into string. After goggling I found base64 will do this.[详细]
2023-02-24 22:55 分类:问答Extracting data from binary data stream in nsdata
I\'m new to objective c at the moment and trying to decode a data stream that I\'m getting as an NSdata object..[详细]
2023-02-24 22:01 分类:问答Objective C SHA512 hash of two NSData
Here is a Java code, which computes SHA512 hash of a byte array with salt: private static String DIGEST_ALGORITHM = \"SHA-512\";[详细]
2023-02-24 17:13 分类:问答Extract xml from zip to nsdata (cocoa)
I have a zip file with a .xml in it. This xml has to be unzipped and saved into NSData. I already know ziparchive and zippack. And I also know that I can unzip the archive, save it and get the xml fil[详细]
2023-02-23 17:05 分类:问答NSDATA writeToFile crashes without a reason
I am downloading images from a url using NSDATA and savi开发者_运维问答ng them to local file system using[详细]
2023-02-23 07:07 分类:问答Is NSData appropriate for large c arrays?
I\'m reading large FITS images using the CFITSIO library for C. At first, the actual image/pix开发者_开发问答els are not read in. Only when some sort of operation needs to be done (say, an average of[详细]
2023-02-22 16:02 分类:问答iOS: Get NSData of mp3
I w开发者_高级运维ant to send an mp3 file from music library from my iphone over wifi. So I need a way to get NSData of mp3 file.[详细]
2023-02-21 17:42 分类:问答NSString encoding-name from WebDataSource?
I have a WebDataSource and I want to get pure HTML out of it. How can I do it? The way I did it so far is:[详细]
2023-02-19 22:25 分类:问答Store and Load File from URL
iPhone App I am currently trying to understand how i can store a file from a URL to the documents directory and then read the file from the documents directory..[详细]
2023-02-19 21:55 分类:问答NSString to NSData conversion Problem
I have some Bytes ofimagein my string and i want to draw it to UIImageView...Here is my code NSString* str= @\"<89504e47 0d0a1a0a 0000000d 49484452 ........... 454e44ae 426082>\";[详细]
2023-02-19 03:57 分类:问答