2014/10/15 下午 10:07:32
iphone Programming Glossary: drHow to implement Blowfish algorithm in iOS http://stackoverflow.com/questions/13507384/how-to-implement-blowfish-algorithm-in-ios char secretKey bytes secretKey length NSRange aLeftRange aRightRange NSData aLeftBox aRightBox unsigned long dl 0 dr 0 for int i 0 i dataToEncrypt length i 8 Divide data into octets... 地nd then into quartets aLeftRange NSMakeRange i 4 aRightRange.. aRightRange Convert bytes into unsigned long aLeftBox getBytes dl length sizeof unsigned long aRightBox getBytes dr length sizeof unsigned long Encipher Blowfish_Encrypt ctx dl dr Put bytes back dataToEncrypt replaceBytesInRange aLeftRange.. dl length sizeof unsigned long aRightBox getBytes dr length sizeof unsigned long Encipher Blowfish_Encrypt ctx dl dr Put bytes back dataToEncrypt replaceBytesInRange aLeftRange withBytes dl dataToEncrypt replaceBytesInRange aRightRange withBytes..
Objective-C : How to fetch the router address? http://stackoverflow.com/questions/2113580/objective-c-how-to-fetch-the-router-address C How to fetch the router address I tried to fetch the router address this way. NSString routerIp NSString address @ error struct ifaddrs interfaces NULL.. C How to fetch the router address I tried to fetch the router address this way. NSString routerIp NSString address @ error struct ifaddrs interfaces NULL struct ifaddrs temp_addr NULL int.. C How to fetch the router address I tried to fetch the router address this way. NSString routerIp NSString address @ error struct ifaddrs interfaces NULL struct ifaddrs temp_addr NULL int success 0 retrieve the current interfaces returns..
How do I run a universal app on the iPhone 3.1.3 simulator? http://stackoverflow.com/questions/2759229/how-do-i-run-a-universal-app-on-the-iphone-3-1-3-simulator wrong. And I don't even have any idea how this works for things like @property or @synthesize declarations. tl dr version of the question did I miss a setting somewhere iphone xcode build process ipad share improve this question ..
Play local notification default sound when displaying UIAlertView? http://stackoverflow.com/questions/3277811/play-local-notification-default-sound-when-displaying-uialertview notification default sound. There's no equivalent SystemSoundID constant and I'm not sure what the path would be. tl dr I'd like to play the local notification default sound when displaying a UIAlertView. Any ideas iphone cocoa touch ios4..
Most effective way to populate a picker view with range of integers? http://stackoverflow.com/questions/4020081/most-effective-way-to-populate-a-picker-view-with-range-of-integers but I'd like to get some insight from seasoned developers on the most effective way to accomplish what I'm doing tl dr I want to populate a UI picker view with the the number range 45 550 upon the start of my application what's the best way..
Xcode won't recognize my new provisioning profile http://stackoverflow.com/questions/5291463/xcode-wont-recognize-my-new-provisioning-profile profile for my app for it to use iphone ios xcode ios provisioning xcode organizer share improve this question tl dr turns out I simply had to edit the project file manually to tell Xcode of the new profile. Now I don't know why I had to..
http://stackoverflow.com/questions/8723923/core-data-vs-sqlite-or-fmdb that will come to me with time. iphone ios sqlite core data fmdb share improve this question Ankit Here's the tl dr skinny use Core Data. Here's the long form While you could use many criteria to choose between Core Data an ORM FMDB or.. will not work well on a battery powered memory limited device with a funky memory model. It won't work very well on Android devices either. You will also denormalize your data to simplify displaying it in various iOS and Mac OS X UI widgets...
Get Exif data from UIImage - UIImagePickerController http://stackoverflow.com/questions/9766394/get-exif-data-from-uiimage-uiimagepickercontroller @ kCGImageSourceTypeIdentifierHint componentsSeparatedByString @ . objectAtIndex 1 CGImageDestinationRef dr CGImageDestinationCreateWithURL __bridge CFURLRef fileURL __bridge CFStringRef sourceOptionsDict objectForKey @ kCGImageSourceTypeIdentifierHint.. sourceOptionsDict objectForKey @ kCGImageSourceTypeIdentifierHint 1 NULL CGImageDestinationAddImage dr imageRef imagePropertiesDictionary CGImageDestinationFinalize dr CFRelease dr else NSLog @ no valid kCGImageSourceTypeIdentifierHint.. 1 NULL CGImageDestinationAddImage dr imageRef imagePropertiesDictionary CGImageDestinationFinalize dr CFRelease dr else NSLog @ no valid kCGImageSourceTypeIdentifierHint found clean up CFRelease imageRef CFRelease imagePropertiesDictionary..
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