2014/10/15 下午 10:03:28

iphone Programming Glossary: a4

adjust corners and crop the image openCV

http://stackoverflow.com/questions/13098073/adjust-corners-and-crop-the-image-opencv

should take into account is the size of the paper you want to extract. In my example I assume you're extracting a DIN A4 paper 210x297mm . Feel free to edit paperWidth and paperHeight inside my code. Combining everything looks like this Helper..

How do I synthesize sounds with CoreAudio on iPhone/Mac

http://stackoverflow.com/questions/1361148/how-do-i-synthesize-sounds-with-coreaudio-on-iphone-mac

e.g. when the user's finger is on the screen instead of a one off sound sample. If I wanted to synthesise a Middle A 1 A4 440Hz I can calculate a sine wave using sin what I don't know is how to arrange those bits into a packet which CoreAudio..

Is there a way to programmatically scroll to a PDF page within a UIWebView?

http://stackoverflow.com/questions/1927841/is-there-a-way-to-programmatically-scroll-to-a-pdf-page-within-a-uiwebview

0 d self.offset 2 Some observations The offset calculation isn't page perfect. If the PDF document isn't 8.5 x 11 e.g. A4 then the offset error gets worse more quickly. The self.currentPage property doesn't get updated when scrolling through..

where to start with audio synthesis on iPhone

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

bool BleepMachine Stop OSStatus result AudioQueueStop m_outAQ true if result printf ERROR d n int result return true A A4 440 A# f n 2^ n 12 r B where n number of semitones C and r is the root frequency e.g. 440 C# D frq MIDI note number D# p.. jw notes.html MIDI Node numbers A3 57 A#3 58 B3 59 C4 60 C#4 61 D4 62 D#4 63 E4 64 F4 65 F#4 66 G4 67 G#4 68 A4 69 A#4 70 B4 71 C5 72 float CalculateFrequencyFromNote SInt32 semiTones SInt32 octave semiTones 12 octave 4 float root 440.f..

Differentiate between black and white iPhones? [duplicate]

http://stackoverflow.com/questions/5466707/differentiate-between-black-and-white-iphones

1 is 2011 and so on CC Production Week 01 is week 1 of B 11 is week 11 of B and so on DDD Unique Identifier EE Color A4 black F size S 16GB T 32GB More info http www.pressbyte.com 640 decode iphone hardware information serial number share..

What's the best way of learning iPhone programming when coming from Java?

http://stackoverflow.com/questions/783321/whats-the-best-way-of-learning-iphone-programming-when-coming-from-java

to read all available apple docs on this topic. A fast overview gave me a number of about 8.000 eight thousand DIN A4 PDF pages. About 10 of the content is almost equal for my feeling. After reading for 2 weeks now I figured out that I would..

Detecting Color of iPhone/iPad/iPod touch?

http://stackoverflow.com/questions/8463212/detecting-color-of-iphone-ipad-ipod-touch