2014/10/15 下午 10:04:51

iphone Programming Glossary: c3

http://stackoverflow.com/questions/12652396/ios-how-to-do-proper-url-encoding

@ URL with 矇 @ NSURL URLWithString @ http host T矇mp NSLog @ URL with encoded 矇 @ NSURL URLWithString @ http host T C3 A9mp Output 2012 10 02 12 02 56.366 test 73164 c07 URL with 矇 null 2012 10 02 12 02 56.368 test 73164 c07 URL with encoded.. 02 12 02 56.366 test 73164 c07 URL with 矇 null 2012 10 02 12 02 56.368 test 73164 c07 URL with encoded 矇 http host T C3 A9mp If you really really want to borrow the graceful handling of malformed URLs that WebKit has and don't want to implement..

HTML entity encoding (convert '<' to '<') on iPhone in objective-c

http://stackoverflow.com/questions/1666717/html-entity-encoding-convert-to-lt-on-iphone-in-objective-c

encoding and that's not what I really need I tried stringByAddingPercentEscapesUsingEncoding with no luck it creates C3 BC out of an '羹' that should be an ü . A code sample would be really great correcting mine ... Thanks in advance Markus..

Find the tangent of a point on a cubic bezier curve (on an iPhone)

http://stackoverflow.com/questions/4089443/find-the-tangent-of-a-point-on-a-cubic-bezier-curve-on-an-iphone

they are trivial based on the four control points CGFloat C1 d 3.0 c 3.0 b a CGFloat C2 3.0 c 6.0 b 3.0 a CGFloat C3 3.0 b 3.0 a CGFloat C4 a not needed for this calculation finally it is easy to calculate the slope element using those coefficients.. this calculation finally it is easy to calculate the slope element using those coefficients return 3.0 C1 t t 2.0 C2 t C3 note that this routine works for both the x and y side simply run this routine twice once for x once for y note that there.. only once for both this and the slope calculation CGFloat C1 d 3.0 c 3.0 b a CGFloat C2 3.0 c 6.0 b 3.0 a CGFloat C3 3.0 b 3.0 a CGFloat C4 a it's now easy to calculate the point using those coefficients return C1 t t t C2 t t C3 t C4 @implementation..

How do I detect a touch on a UIBezierPath and move a ball along that?

http://stackoverflow.com/questions/4854035/how-do-i-detect-a-touch-on-a-uibezierpath-and-move-a-ball-along-that

CGFloat t CGFloat a CGFloat b CGFloat c CGFloat d CGFloat C1 d 3.0 c 3.0 b a CGFloat C2 3.0 c 6.0 b 3.0 a CGFloat C3 3.0 b 3.0 a CGFloat C4 a return C1 t t t C2 t t C3 t C4 CGFloat bezierTangent CGFloat t CGFloat a CGFloat b CGFloat c CGFloat.. d CGFloat C1 d 3.0 c 3.0 b a CGFloat C2 3.0 c 6.0 b 3.0 a CGFloat C3 3.0 b 3.0 a CGFloat C4 a return C1 t t t C2 t t C3 t C4 CGFloat bezierTangent CGFloat t CGFloat a CGFloat b CGFloat c CGFloat d CGFloat C1 d 3.0 c 3.0 b a CGFloat C2 3.0 c.. CGFloat t CGFloat a CGFloat b CGFloat c CGFloat d CGFloat C1 d 3.0 c 3.0 b a CGFloat C2 3.0 c 6.0 b 3.0 a CGFloat C3 3.0 b 3.0 a CGFloat C4 a return 3.0 C1 t t 2.0 C2 t C3 The four precalculated values C1 C2 C3 C4 are sometimes called the..