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2014/10/15 ¤U¤È 10:05:33
iphone Programming Glossary: convertingIphone - 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 How to encrypt NSData with public key and decrypt with private key I am converting a UIImage to NSData. Now I need to encrypt that NSData using a public key and I need to decrypt using a private key. Please..
http://stackoverflow.com/questions/1237649/json-or-soap-xml code as you can simply pass the data packet directly into a javascript array without any parsing extracting and converting so it is much less CPU intensive too. To code with it instead of an XML library you will want a JSON library. Dates are..
OpenCV.Framework does not compile for the armv7s architecture http://stackoverflow.com/questions/12491046/opencv-framework-does-not-compile-for-the-armv7s-architecture a new target to jonmarimba's project for opencv_world which is the target used in the standard openCV release for converting into a framework. Once that was built I used it as a drop in replacement for the static library in the framework file structure..
What does the Tiler Utilization statistic mean in the iPhone OpenGL ES instrument? http://stackoverflow.com/questions/1287811/what-does-the-tiler-utilization-statistic-mean-in-the-iphone-opengl-es-instrumen number of triangles per second that I'm able to render in my iPhone application but I've hit a brick wall. I've tried converting my OpenGL ES data types from fixed to floating point per Apple's recommendation interleaving my vertex buffer objects and..
How to get UIImage from EAGLView? http://stackoverflow.com/questions/1352864/how-to-get-uiimage-from-eaglview just a kind of view and its underlying CAEAGLLayer is just a kind of layer. That means that the standard approach for converting a view layer into a UIImage will work. The fact that the linked question is UIWebview doesn't matter that's just yet another..
How to upload image to server from gallery as JSON on iOS http://stackoverflow.com/questions/15267539/how-to-upload-image-to-server-from-gallery-as-json-on-ios want to upload an image as a string you must convert your image data to Base64 then you can use your above method For converting to a base64 string refer to this Stack Overflow answer . You can then use your code for uploading. Another Way You can directly..
http://stackoverflow.com/questions/1862905/nsdate-convert-date-to-gmt Convert Date to GMT I need the ability to convert an NSDate value to a GMT Date. How can I go about converting an NSDate value to a GMT formatted NSDate value independent of whatever date locale settings the iPhone is using Kind Regards..
http://stackoverflow.com/questions/2240765/nsdata-to-uiimage image in the bundle retrieving it from there and displaying. My problem comes from when I try to save an image to disk converting it to NSData then retrieving it. I convert the image to NSData like so... NSData topImageData UIImageJPEGRepresentation.. I'm confused as to why my image is not being created. Am I missing a step Do I need to do something with NSData before converting to an image Greatly appreciate the help iphone uiimage nsdata share improve this question Try this code. This worked..
UINavigationController navigation stack problems in landscape mode http://stackoverflow.com/questions/2694613/uinavigationcontroller-navigation-stack-problems-in-landscape-mode navigation stack problems in landscape mode I have an iPhone application that I am currently converting to a universal binary to work with the iPad. I have successfully implemented everything I need in terms of layout so that..
How to display an image on a MKOverlayView? http://stackoverflow.com/questions/3891850/how-to-display-an-image-on-a-mkoverlayview If you haven't already seen this video I think it will give you plenty of useful information. He also talks about converting to the Mercator projection. Another thing to check is what coordinate system datum the data from EUMETSAT is in. Google.. not consistent it changes as you move around the map. It's possible that Google Maps is being smart about the data and converting to WGS 84 on the fly. You might find out more details by looking at the KML. I looked but couldn't find the final KML with..
Getting current device language in iOS? http://stackoverflow.com/questions/3910244/getting-current-device-language-in-ios please see this Wikipedia entry in particular the 639 1 column List of ISO 639 1 codes Then it's a simple matter of converting the two letter codes to the string you would like to display. So if it's en display English . Hope this helps someone that's..
CLLocation Category for Calculating Bearing w/ Haversine function http://stackoverflow.com/questions/3925942/cllocation-category-for-calculating-bearing-w-haversine-function M_PI If you are getting negative bearings add 2 M_PI to the final result in radiansBearing or 360 if you do it after converting to degrees . atan2 returns the result in the range M_PI to M_PI 180 to 180 degrees so you might want to convert it to compass..
What's the most efficient way of converting a 10 MB JSON response into an NSDictionary? http://stackoverflow.com/questions/4351930/whats-the-most-efficient-way-of-converting-a-10-mb-json-response-into-an-nsdict the most efficient way of converting a 10 MB JSON response into an NSDictionary Our app must display a big chunk of data with minimal remote http requests so..
Point in Tilt Direction - iPhone http://stackoverflow.com/questions/5128861/point-in-tilt-direction-iphone developer.apple.com library ios #documentation uikit reference UIAcceleration_Class Reference UIAcceleration.html . converting from accelerometer to angles... the accelerometer doesn't provide the raw data in angles. How do get from the raw data Quite..
Proper way to instantiate an NSDecimalNumber from float or double http://stackoverflow.com/questions/5304855/proper-way-to-instantiate-an-nsdecimalnumber-from-float-or-double one you get when you invoke decimalNumberWithString or decimalNumberWithMantissa exponent isNegative . Also note that converting back to a double by calling doubleValue on the NSDecimalNumber instance is losing precision but is interestingly the same..
iOS: parse a URL into segments http://stackoverflow.com/questions/5903157/ios-parse-a-url-into-segments one unsigned integer where the string val is 'name' and the unsigned int is 12345 I'm assuming the algorithm involves converting NSURL to an NSString and then using some components of NSScanner to finish the rest iphone objective c ios share improve..
Converting NSData to NSString in Objective c http://stackoverflow.com/questions/6411965/converting-nsdata-to-nsstring-in-objective-c Reference Foundation Classes NSString_Class Reference NSString.html Return Value An NSString object initialized by converting the bytes in data into Unicode characters using encoding. The returned object may be different from the original receiver...
Is programmatically inverting the colors of an image possible? http://stackoverflow.com/questions/6672517/is-programmatically-inverting-the-colors-of-an-image-possible a clear CoreGraphics bitmap context that it can access the memory of draws the UIImage to it runs through every pixel converting from premultiplied alpha to uninflected RGB inverting each channel separately multiplying by alpha again and storing back..
Converting & to & in Objective-C [duplicate] http://stackoverflow.com/questions/1067652/converting-amp-to-in-objective-c amp to in Objective C duplicate This question already has an answer here Objective C HTML escape unescape 11 answers..
Converting Raw RSA Key value to SecKeyRef Object for Encryption http://stackoverflow.com/questions/1536894/converting-raw-rsa-key-value-to-seckeyref-object-for-encryption Raw RSA Key value to SecKeyRef Object for Encryption Hi I have a RSa publicKey value in base64 how do i convert to SecKeyRef..
Converting a NSObject into NSData http://stackoverflow.com/questions/1659922/converting-a-nsobject-into-nsdata a NSObject into NSData I am having an issue in converting a NSObject into NSData . I have a class which inherits NSObject..
Advice on speeding up OpenGL ES 1.1 on the iPhone http://stackoverflow.com/questions/1844765/advice-on-speeding-up-opengl-es-1-1-on-the-iphone 3 Texture Atlasing had no noticeable affect on the problem. Utilization ranges are still as noted above. Update 4 Converting my Vertex and Normal pointers to GL_SHORT seemed to improve FPS but the Tiler Utilization is still in the 90 range a lot.. my texture coordinates. I suppose I could knock those down to GL_SHORT and save four more bytes per vertex. Update 5 Converting my texture coordinates to GL_SHORT yielded another performance increase. I'm now consistently getting 30 FPS. Tiler Utilization..
Converting NSString to Currency - The Complete Story http://stackoverflow.com/questions/1960300/converting-nsstring-to-currency-the-complete-story NSString to Currency The Complete Story After over a day of poking around with this problem I will see if I can get some..
iPhone + Twitter API: Converting time? http://stackoverflow.com/questions/2002544/iphone-twitter-api-converting-time Twitter API Converting time Is there an easy way to convert the time stamp you get from twitter into unix time or minutes since now I could parse..
http://stackoverflow.com/questions/2197362/converting-nsdata-to-base64 NSData to base64 How to convert NSData to base64 . I have NSData and want to convert into base64 how can I do this iphone..
Converting UIImage into PDF File http://stackoverflow.com/questions/2445335/converting-uiimage-into-pdf-file UIImage into PDF File Iam trying to saving an UIImage in PDF file. How can i do this How i would save and image into pdf..
Converting iPhone xib to iPad xib? http://stackoverflow.com/questions/2488280/converting-iphone-xib-to-ipad-xib iPhone xib to iPad xib How do you do it I saw one video tutorial on it but the screen was too small. Also other than changing..
Converting audio to CAF format for playback on iPhone using OpenAL http://stackoverflow.com/questions/254080/converting-audio-to-caf-format-for-playback-on-iphone-using-openal audio to CAF format for playback on iPhone using OpenAL I am using the SoundEngine sample code from Apple in the CrashLanding..
Fast and Lean PDF Viewer for iPhone / iPad / iOs - tips and hints? http://stackoverflow.com/questions/3889634/fast-and-lean-pdf-viewer-for-iphone-ipad-ios-tips-and-hints Caches Other PDF Features Getting Links inside a PDF and here and here Understanding the PDF Rect for link positioning Converting PDF annot datestrings Getting the target of the link Getting the page number from the Dest array Getting a table of contents..
Converting NSString to NSDate (and back again) http://stackoverflow.com/questions/3917250/converting-nsstring-to-nsdate-and-back-again NSString to NSDate and back again How would I convert an NSString like 01 02 10 meaning 1st February 2010 into an NSDate..
Converting NSData to NSString in Objective c http://stackoverflow.com/questions/6411965/converting-nsdata-to-nsstring-in-objective-c NSData to NSString in Objective c I want to convert NSData to NSString..What is the best way to do this I am using this..
AESCrypt decryption between iOS and PHP http://stackoverflow.com/questions/6461419/aescrypt-decryption-between-ios-and-php characters. But when it comes to the actual act of encryption it's using AES 128 but with the 32 byte key. Say wha Converting tc.'s Python to PHP base64encoded_ciphertext '7opqbb7sEVNoXplyQv X8g ' key 'a16byteslongkey ' padded_key key . str_repeat..
Want to copy a gif image from my app to the in-app mail window. How do i do that? http://stackoverflow.com/questions/6981783/want-to-copy-a-gif-image-from-my-app-to-the-in-app-mail-window-how-do-i-do-that share improve this question UIWebView is a the biggest memory hog in UIKit and should be avoided whenever possible. Converting gif to series of png files and displaying it using UIImageView with animated image sequence is best you can do. But to use..
Converting HEX NSString To NSData http://stackoverflow.com/questions/7317860/converting-hex-nsstring-to-nsdata HEX NSString To NSData I'm trying to convert a Hex NSString to NSData I'm using the below attached code . The following..
Why NSDateFormatter can not parse date from ISO 8601 format [duplicate] http://stackoverflow.com/questions/7925038/why-nsdateformatter-can-not-parse-date-from-iso-8601-format NSDateFormatter can not parse date from ISO 8601 format duplicate Possible Duplicate Converting an ISO 8601 timestamp into an NSDate How does one deal with the UTC time offset I use rails as backend the default date..
Converting Storyboard from iPhone to iPad http://stackoverflow.com/questions/8465769/converting-storyboard-from-iphone-to-ipad Storyboard from iPhone to iPad I have an iPhone application which has a storyboard. Now I want to provide an iPad application..
Converting a UIImage black'n white and not grayscale for using tesseract http://stackoverflow.com/questions/9992078/converting-a-uiimage-blackn-white-and-not-grayscale-for-using-tesseract a UIImage black'n white and not grayscale for using tesseract I'm using tesseract in my iPhone application. I tried several..
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