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2014/10/15 ¤U¤È 10:03:33
iphone Programming Glossary: algorithmhttp://stackoverflow.com/questions/1166444/mkmapview-zoom-and-region Can somebody please explain what is the reference point to these span and delta Or is there any algorithm to convert an integer zoom level like 9 to these delta values As a bonus question is there any way to..
http://stackoverflow.com/questions/1524604/md5-algorithm-in-objective-c algorithm in Objective C How to calculate the MD5 in objective C iphone objective c encryption md5 share improve..
NSDictionary with ordered keys http://stackoverflow.com/questions/376090/nsdictionary-with-ordered-keys my application but I'd like them to be in a specific order not really an order that I can write an algorithm to sort them into . I could always store a separate array of the keys but that seems kind of kludgey..
iPhone smooth sketch drawing algorithm http://stackoverflow.com/questions/5076622/iphone-smooth-sketch-drawing-algorithm smooth sketch drawing algorithm I am working on a sketching app on the iPhone. I got it working but not pretty as seen here And I am.. the drawing tobe more like Sketch Book App I think there is something to do with signal processing algorithm to rearrange all the points in the array but I am not sure. Any Help would be much appreciated. Thankz..
Dispelling the UIImage imageNamed: FUD http://stackoverflow.com/questions/924740/dispelling-the-uiimage-imagenamed-fud so it was best avoided but has been fixed in recent releases. I'd like to understand the caching algorithm better in order to make a reasoned decision about where I can trust the system to cache my images and.. It seems unlikely that Apple would not do this. If you have any insight into the caching algorithm please post it here. iphone caching uikit uiimageview imagenamed share improve this question tldr..
http://stackoverflow.com/questions/1166444/mkmapview-zoom-and-region I drag the map without zooming and delta values become 0.0. Can somebody please explain what is the reference point to these span and delta Or is there any algorithm to convert an integer zoom level like 9 to these delta values As a bonus question is there any way to specify a minimum maximum zoom level on a MKMapView Thanks..
http://stackoverflow.com/questions/1524604/md5-algorithm-in-objective-c algorithm in Objective C How to calculate the MD5 in objective C iphone objective c encryption md5 share improve this question md5 is available on the iPhone and can..
NSDictionary with ordered keys http://stackoverflow.com/questions/376090/nsdictionary-with-ordered-keys and values . I want to use the array of keys as part of my application but I'd like them to be in a specific order not really an order that I can write an algorithm to sort them into . I could always store a separate array of the keys but that seems kind of kludgey because I'd always have to update the keys of the dictionary..
iPhone smooth sketch drawing algorithm http://stackoverflow.com/questions/5076622/iphone-smooth-sketch-drawing-algorithm smooth sketch drawing algorithm I am working on a sketching app on the iPhone. I got it working but not pretty as seen here And I am looking for any suggestion to smooth the drawing Basically.. UIGraphicsPushContext context And now I want to improve the drawing tobe more like Sketch Book App I think there is something to do with signal processing algorithm to rearrange all the points in the array but I am not sure. Any Help would be much appreciated. Thankz in advance iphone drawing quartz graphics share improve..
Dispelling the UIImage imageNamed: FUD http://stackoverflow.com/questions/924740/dispelling-the-uiimage-imagenamed-fud UIImage 's imageNamed method used to leak so it was best avoided but has been fixed in recent releases. I'd like to understand the caching algorithm better in order to make a reasoned decision about where I can trust the system to cache my images and where I need to go the extra mile and do it myself. My current.. cache behind imageNamed does not respond to didReceiveMemoryWarning It seems unlikely that Apple would not do this. If you have any insight into the caching algorithm please post it here. iphone caching uikit uiimageview imagenamed share improve this question tldr ImagedNamed is fine. It handles memory well. Use it and stop..
Iphone - How to encrypt NSData with public key and decrypt with private key? http://stackoverflow.com/questions/10072124/iphone-how-to-encrypt-nsdata-with-public-key-and-decrypt-with-private-key NSData using a public key and I need to decrypt using a private key. Please provide a step by step procedure. Which algorithm do I need to use Is there any good library for encryption and decryption Also provide some code snippet for encryption and..
iOS Image Orientation has Strange Behavior http://stackoverflow.com/questions/10600613/ios-image-orientation-has-strange-behavior few days ago I noticed that even though the image is displayed properly in my app thanks to my workaround code when my algorithm modifies the individual pixels of the image it thinks the image is rotated. So instead of modifying the pixels at the top..
How to share or post by mail, twitter and facebook from the current application? http://stackoverflow.com/questions/10860652/how-to-share-or-post-by-mail-twitter-and-facebook-from-the-current-application
http://stackoverflow.com/questions/1166444/mkmapview-zoom-and-region values become 0.0. Can somebody please explain what is the reference point to these span and delta Or is there any algorithm to convert an integer zoom level like 9 to these delta values As a bonus question is there any way to specify a minimum..
http://stackoverflow.com/questions/1524604/md5-algorithm-in-objective-c algorithm in Objective C How to calculate the MD5 in objective C iphone objective c encryption md5 share improve this question..
Strange problem comparing floats in objective-C http://stackoverflow.com/questions/1614533/strange-problem-comparing-floats-in-objective-c problem comparing floats in objective C At some point in an algorithm I need to compare the float value of a property of a class to a float. So I do this if self.scroller.currentValue 0.1 where..
Practical rules for premature optimization [closed] http://stackoverflow.com/questions/2978460/practical-rules-for-premature-optimization completely inappropriate. For example I've seen a growing number of people say not to worry about the complexity of an algorithm because that's premature optimization eg http stackoverflow.com questions 2190275 help sorting an nsarray across two properties.. to disciplined computer science. But it has occurred to me that maybe considering the complexity and performance of algorithms is going the way of assembly loop unrolling and other optimization techniques that are now considered unnecessary. What.. considered unnecessary. What do you think Are we at the point now where deciding between an O n^n and O n complexity algorithm is irrelevant What about O n vs O n n What do you consider premature optimization What practical rules do you use to consciously..
NSDictionary with ordered keys http://stackoverflow.com/questions/376090/nsdictionary-with-ordered-keys of keys as part of my application but I'd like them to be in a specific order not really an order that I can write an algorithm to sort them into . I could always store a separate array of the keys but that seems kind of kludgey because I'd always..
Drawing waveform with AVAssetReader http://stackoverflow.com/questions/5032775/drawing-waveform-with-avassetreader I personally prefer the original linear version but have decided to post it in case someone can improve on the algorithm used. You'll need these imports #import MediaPlayer MediaPlayer.h #import AVFoundation AVFoundation.h First a generic rendering..
iPhone smooth sketch drawing algorithm http://stackoverflow.com/questions/5076622/iphone-smooth-sketch-drawing-algorithm smooth sketch drawing algorithm I am working on a sketching app on the iPhone. I got it working but not pretty as seen here And I am looking for any suggestion.. I want to improve the drawing tobe more like Sketch Book App I think there is something to do with signal processing algorithm to rearrange all the points in the array but I am not sure. Any Help would be much appreciated. Thankz in advance iphone..
Distance moved by Accelerometer http://stackoverflow.com/questions/6645126/distance-moved-by-accelerometer I move iPhone along X axis and the object moves along X axis. The same for Y Z axis. How can I do this Can I get algorithm for it Thank you. P.S I looked for a while and seems like it is possible using accelerometer. iphone xcode accelerometer..
Secure https encryption for iPhone app to webpage http://stackoverflow.com/questions/9181186/secure-https-encryption-for-iphone-app-to-webpage
Dispelling the UIImage imageNamed: FUD http://stackoverflow.com/questions/924740/dispelling-the-uiimage-imagenamed-fud method used to leak so it was best avoided but has been fixed in recent releases. I'd like to understand the caching algorithm better in order to make a reasoned decision about where I can trust the system to cache my images and where I need to go.. to didReceiveMemoryWarning It seems unlikely that Apple would not do this. If you have any insight into the caching algorithm please post it here. iphone caching uikit uiimageview imagenamed share improve this question tldr ImagedNamed is fine...
RSA implementations in Objective C http://stackoverflow.com/questions/10222524/rsa-implementations-in-objective-c implementations in Objective C I am working on a simple app in objective C that uses RSA Algorithm . I want to use it on Server Client Communications. I need help in RSA Algorithm Implementation in iOS iPhone. I have knowledge.. app in objective C that uses RSA Algorithm . I want to use it on Server Client Communications. I need help in RSA Algorithm Implementation in iOS iPhone. I have knowledge of encryption and decryption. I want an opensource library or code to add..
http://stackoverflow.com/questions/1303265/algorithm-for-determining-minimum-bounding-rectangle-for-collection-of-latitude for determining minimum bounding rectangle for collection of latitude longitude coordinates Is there an algorithm to determine..
Fastest cross-platform A* implementation? http://stackoverflow.com/questions/2107601/fastest-cross-platform-a-implementation sample using.html http opensteer.sourceforge.net Interesting for games not A . Stack Overflow on Dijkstra's Algorithm Any others The Wheel The question as asked pertains to reuse plug into a game not reinvention at least not until performance.. on iPhone but it might not work for you it is not a full port of boost and it might error out. The following is from Algorithms in a Nutshell Java not C but maybe you'd like to port it public Solution search INode initial INode goal Start from the..
Help for AES-128 Bit Algorithm ?? i want to encrypt it http://stackoverflow.com/questions/2774239/help-for-aes-128-bit-algorithm-i-want-to-encrypt-it for AES 128 Bit Algorithm i want to encrypt it Can i get link for AES 128 Bit Algorithm any sample code please help objective c iphone encryption.. for AES 128 Bit Algorithm i want to encrypt it Can i get link for AES 128 Bit Algorithm any sample code please help objective c iphone encryption aes share improve this question AES 128 is already implemented..
Levenshtein Distance Algorithm better than O(n*m)? http://stackoverflow.com/questions/4057513/levenshtein-distance-algorithm-better-than-onm Distance Algorithm better than O n m I have been looking for an advanced levenshtein distance algorithm and the best I have found so far is..
How to Implement FloodFill Algorithm in iphone [duplicate] http://stackoverflow.com/questions/4883116/how-to-implement-floodfill-algorithm-in-iphone to Implement FloodFill Algorithm in iphone duplicate I'm very new to iphone development.I want to create a application using FloodFill algorithm in iphone.I'm..
How to implement water ripples? http://stackoverflow.com/questions/665076/how-to-implement-water-ripples me iphone opengl es share improve this question Here are some resources I found Language Agnostic 2d Water Ripple Algorithm OpenGL Project with Water Ripples Source You also might want to swing by GameDev's FAQ . Scroll down to the Water Rendering..
RSA encryption library or Classes http://stackoverflow.com/questions/7023163/rsa-encryption-library-or-classes pair.But it is a necessity for me to use the RSA algorithm as i want to implement it over client server network.So the Algorithm needs to common amongst the parties. Please provide some valuable info. Thanks Aditya iphone encryption rsa encryption..
FFT on iPhone to ignore background noise and find lower pitches http://stackoverflow.com/questions/7181630/fft-on-iphone-to-ignore-background-noise-and-find-lower-pitches Cepstrum Cepstral analysis harmonic product spectrum phase vocoder and or composite algorithms such as RAPT Robust Algorithm for Pitch Tracking and YAAPT. An FFT is useful as only a sub part of some of the above methods. share improve this answer..
How to get particular touch Area? http://stackoverflow.com/questions/8450967/how-to-get-particular-touch-area at and before you get to discouraged by it's length it is very thorough look at the section titled The Crossing Count Algorithm . It's a pretty simple method compared to some of the others that I have seen. It comes down to determining it lines intersect..
DETECT the Edge of a Document in iPhoneSDK http://stackoverflow.com/questions/8921256/detect-the-edge-of-a-document-in-iphonesdk something like attached image How can I implement this in iPhoneSDK. Can anybody suggest me some open source API or Algorithm Code to detect the corners of captured image of a document. Some How I got an open source API called OpenCV which recognize..
Finding the closest point to a given point http://stackoverflow.com/questions/913576/finding-the-closest-point-to-a-given-point want to find the closest one's to the current location of the iPhone. I've seen people ask about Quad Trees Dijkstra's Algorithm and spatial databases. Which is the best for the iPhone Spatial databases seem easiest but I am not sure. EDIT there are..
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