2014/10/15 下午 10:09:11

iphone Programming Glossary: fn

Trying to Fetching data from sqlite database

http://stackoverflow.com/questions/10847001/trying-to-fetching-data-from-sqlite-database

documentsDirectory stringByAppendingPathComponent @ my.sqlite NSLog @ DATABASE PATH @ databasePath NSFileManager fn NSFileManager defaultManager NSError error BOOL success fn fileExistsAtPath databasePath if success NSString defaultDBPath.. NSLog @ DATABASE PATH @ databasePath NSFileManager fn NSFileManager defaultManager NSError error BOOL success fn fileExistsAtPath databasePath if success NSString defaultDBPath NSBundle mainBundle resourcePath stringByAppendingPathComponent.. if success NSString defaultDBPath NSBundle mainBundle resourcePath stringByAppendingPathComponent @ my.sqlite success fn copyItemAtPath defaultDBPath toPath databasePath error error const char dbPath databasePath UTF8String if sqlite3_open..

where to start with audio synthesis on iPhone

http://stackoverflow.com/questions/2067267/where-to-start-with-audio-synthesis-on-iphone

71 C5 72 float CalculateFrequencyFromNote SInt32 semiTones SInt32 octave semiTones 12 octave 4 float root 440.f float fn powf 2.f float semiTones 12.f root return fn float CalculateFrequencyFromMIDINote SInt32 midiNoteNumber SInt32 semiTones.. semiTones SInt32 octave semiTones 12 octave 4 float root 440.f float fn powf 2.f float semiTones 12.f root return fn float CalculateFrequencyFromMIDINote SInt32 midiNoteNumber SInt32 semiTones midiNoteNumber 69 return CalculateFrequencyFromNote..

Autoplay audio files on an iPad with HTML5

http://stackoverflow.com/questions/3009888/autoplay-audio-files-on-an-ipad-with-html5

examples html5AutoPlay Copy Pasted Code from the site script type text javascript function fakeClick fn var a ' a href # id fakeClick a ' a.bind click function e e.preventDefault fn body .append a var evt el #fakeClick.. text javascript function fakeClick fn var a ' a href # id fakeClick a ' a.bind click function e e.preventDefault fn body .append a var evt el #fakeClick .get 0 if document.createEvent evt document.createEvent MouseEvents if evt.initMouseEvent..