2014/10/15 下午 10:14:39

iphone Programming Glossary: substr

http://stackoverflow.com/questions/3709204/sha256-in-objective-c-for-iphone

like 00 00 00 00 00 00 00 00 00 int keyLength hash length NSString formattedKey @ for int i 0 i keyLength i 2 NSString substr hash substringWithRange NSMakeRange i 2 if i keyLength 2 substr substr stringByAppendingString @ formattedKey formattedKey.. 00 00 00 00 00 00 int keyLength hash length NSString formattedKey @ for int i 0 i keyLength i 2 NSString substr hash substringWithRange NSMakeRange i 2 if i keyLength 2 substr substr stringByAppendingString @ formattedKey formattedKey stringByAppendingString.. formattedKey @ for int i 0 i keyLength i 2 NSString substr hash substringWithRange NSMakeRange i 2 if i keyLength 2 substr substr stringByAppendingString @ formattedKey formattedKey stringByAppendingString substr return formattedKey return nil..

Using php to output an mp4 video

http://stackoverflow.com/questions/5924061/using-php-to-output-an-mp4-video

1.1 416 Requested Range Not Satisfiable' header Content Range bytes start end size exit if range ' ' c_start size substr range 1 else range explode ' ' range c_start range 0 c_end isset range 1 is_numeric range 1 range 1 size c_end c_end end..

AESCrypt decryption between iOS and PHP

http://stackoverflow.com/questions/6461419/aescrypt-decryption-between-ios-and-php

MCRYPT_RIJNDAEL_256 key data MCRYPT_MODE_ECB function unpadPKCS7 data blockSize length strlen data if length 0 first substr data 1 if ord first blockSize for i length 2 i 0 i if ord data i first break return substr data 0 i return data function.. data if length 0 first substr data 1 if ord first blockSize for i length 2 i 0 i if ord data i first break return substr data 0 i return data function decrypt_string string string unpadPKCS7 string 128 string decrypt_data string a16byteslongkey..

Push notification not receiving on iphone

http://stackoverflow.com/questions/8132664/push-notification-not-receiving-on-iphone

'ssl ' . apnsHost . ' ' . apnsPort error errorString 2 STREAM_CLIENT_CONNECT streamContext deviceToken str_replace substr device_token 1 1 echo deviceToken apnsMessage chr 0 . chr 0 . chr 32 . pack 'H ' str_replace ' ' '' deviceToken . chr 0..