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2014/10/15 ¤U¤È 10:05:32
iphone Programming Glossary: convertApple PNS (push notification services) sample code http://stackoverflow.com/questions/1052645/apple-pns-push-notification-services-sample-code ' 'sound' 'k1DiveAlarm.caf' 'badge' 42 'test_data' 'foo' 'bar' # Certificate issued by apple and converted to .pem format with openSSL # Per Apple's Push Notification Guide end of chapter 3 first export the.. 2195 # data json.dumps thePayLoad # Clear out spaces in the device token and convert to hex deviceToken deviceToken.replace ' ' '' byteToken bytes.fromhex deviceToken # Python 3 # byteToken..
UIImagePickerController and extracting EXIF data from existing photos http://stackoverflow.com/questions/1238838/uiimagepickercontroller-and-extracting-exif-data-from-existing-photos for UIImage NSData UIImageJPEGRepresentation UIImage image CGFloat compressionQuality Then we can convert the UIImage into a NSData instance and then use it with the iPhone exif library. UPDATE I gave a test.. EXFGPSLoc gpsLoc NSArray locArray long numDenumArray 2 long arrPtr numDenumArray EXFUtils convertRationalToFraction arrPtr locArray objectAtIndex 0 EXFraction fract EXFraction alloc initWith numDenumArray.. alloc initWith numDenumArray 0 numDenumArray 1 gpsLoc.degrees fract fract release EXFUtils convertRationalToFraction arrPtr locArray objectAtIndex 1 fract EXFraction alloc initWith numDenumArray 0 numDenumArray..
How to convert NSArray to NSData? http://stackoverflow.com/questions/1286212/how-to-convert-nsarray-to-nsdata to convert NSArray to NSData Can anyone tell me how to convert an NSArray to an NSData I have an NSArray. I need.. to convert NSArray to NSData Can anyone tell me how to convert an NSArray to an NSData I have an NSArray. I need to send it to an NSInputStream. In order to do that.. an NSData I have an NSArray. I need to send it to an NSInputStream. In order to do that I need to convert the NSArray to an NSData. Please help me I'm stuck here. iphone share improve this question Use..
How to get the RGB values for a pixel on an image on the iphone http://stackoverflow.com/questions/144250/how-to-get-the-rgb-values-for-a-pixel-on-an-image-on-the-iphone to determine and match its color. Getting the UIImage is the easy part but is there a way to convert the UIImage data into a bitmap representation in which I could extract this information for a given.. the bitmap context. Pre multiplied RGBA 8 bits per component. The source image format will be converted to the format specified here by CGBitmapContextCreate. self setContext CGBitmapContextCreate void..
iPhone image stretching (skew) http://stackoverflow.com/questions/2351586/iphone-image-stretching-skew which your transform does not. For your transform it can be done in two steps. One to convert the square into a trapezoid. p1 p2 p1 p2 p3 p4 p3 p4' Another to the vertical direction. A naive transformation.. CATransform3D cannot perform this as a 2D transform either. However the vector x y z w 1 will be converted to the actual 3D vector x w y w z w before projection if CA follows usual 3D compute graphics rules.. perform a transpose due to convention of using row or column vectors. To obtain the transform to convert a rectangle X Y W H to any quadrilateral x1a y1a x2a y2a x3a y3a x4a y4a use this function you may need..
JSON and Core Data on the iPhone http://stackoverflow.com/questions/2362323/json-and-core-data-on-the-iphone recommend an approach and a suitable JSON implementation for the iPhone which would allow me to 1 convert the core data records into a JSON string whilst maintaining the relationship between the entities and.. data records into a JSON string whilst maintaining the relationship between the entities and 2 convert the JSON string back into core data objects again preserving the relationship between entities . I have.. several others out there are quite nice as well. The complicated part although not very hard is to convert your managed objects into suitable structures for the conversion. I wrote this real quick so it may..
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 And how could I turn the NSDate back.. init voila dateFromString dateFormatter dateFromString dateString dateFormatter release NSDate convert to NSString NSDateFormatter dateFormatter NSDateFormatter alloc init dateFormatter setDateFormat @ dd..
Text to speech on iPhone [closed] http://stackoverflow.com/questions/416064/text-to-speech-on-iphone to speech on iPhone closed Is there any way we can convert text to speech in an iPhone app Is it possible using the SDK Are there any third party TTS engines available..
Why NSUserDefaults failed to save NSMutableDictionary in iPhone SDK? http://stackoverflow.com/questions/471830/why-nsuserdefaults-failed-to-save-nsmutabledictionary-in-iphone-sdk save the NSData. When I need the data I read out the NSData and use NSKeyedUnarchiver to convert NSData back to the object. It is a little cumbersome because i need to convert to from NSData everytime.. to convert NSData back to the object. It is a little cumbersome because i need to convert to from NSData everytime but it just works. Here is one example per request Save NSUserDefaults defaults..
Example or explanation of Core Data Migration with multiple passes? http://stackoverflow.com/questions/5995231/example-or-explanation-of-core-data-migration-with-multiple-passes a date as NSString . The goal is to transfer all Version 1 Events to the two new entities and convert the values along the migration. This results in twice the values each as a different type in a separate.. setting up the second mapping model which is almost identical just a timeIntervalSince1970 used to convert the NSDate to a double. Finally we need to trigger the migration. I'll skip the boilerplate code for..
Make movie file with picture Array and song file, using AVAsset http://stackoverflow.com/questions/6061092/make-movie-file-with-picture-array-and-song-file-using-avasset videoWriter startSessionAtSourceTime kCMTimeZero Video encoding CVPixelBufferRef buffer NULL convert uiimage to CGImage. int frameCount 0 for int i 0 i 20 i buffer self pixelBufferFromCGImage m_PictArray.. videoWriter startSessionAtSourceTime kCMTimeZero Video encoding CVPixelBufferRef buffer NULL convert uiimage to CGImage. int frameCount 0 for int i 0 i m_PictArray count i buffer self pixelBufferFromCGImage..
Apple PNS (push notification services) sample code http://stackoverflow.com/questions/1052645/apple-pns-push-notification-services-sample-code XXXXXXXX' thePayLoad 'aps' 'alert' 'Oh no Server 's Down ' 'sound' 'k1DiveAlarm.caf' 'badge' 42 'test_data' 'foo' 'bar' # Certificate issued by apple and converted to .pem format with openSSL # Per Apple's Push Notification Guide end of chapter 3 first export the cert in p12 format # openssl pkcs12 in cert.p12 out cert.pem.. hit return # theCertfile 'cert.pem' # theHost 'gateway.sandbox.push.apple.com' 2195 # data json.dumps thePayLoad # Clear out spaces in the device token and convert to hex deviceToken deviceToken.replace ' ' '' byteToken bytes.fromhex deviceToken # Python 3 # byteToken deviceToken.decode 'hex' # Python 2 theFormat ' BH32sH..
UIImagePickerController and extracting EXIF data from existing photos http://stackoverflow.com/questions/1238838/uiimagepickercontroller-and-extracting-exif-data-from-existing-photos In theory if we use the selected from the UIkit category for UIImage NSData UIImageJPEGRepresentation UIImage image CGFloat compressionQuality Then we can convert the UIImage into a NSData instance and then use it with the iPhone exif library. UPDATE I gave a test to the library mentioned above and it seems to work. However.. NSNumber numberWithDouble seconds return array void populateGPS EXFGPSLoc gpsLoc NSArray locArray long numDenumArray 2 long arrPtr numDenumArray EXFUtils convertRationalToFraction arrPtr locArray objectAtIndex 0 EXFraction fract EXFraction alloc initWith numDenumArray 0 numDenumArray 1 gpsLoc.degrees fract fract release.. arrPtr locArray objectAtIndex 0 EXFraction fract EXFraction alloc initWith numDenumArray 0 numDenumArray 1 gpsLoc.degrees fract fract release EXFUtils convertRationalToFraction arrPtr locArray objectAtIndex 1 fract EXFraction alloc initWith numDenumArray 0 numDenumArray 1 gpsLoc.minutes fract fract release EXFUtils convertRationalToFraction..
How to convert NSArray to NSData? http://stackoverflow.com/questions/1286212/how-to-convert-nsarray-to-nsdata to convert NSArray to NSData Can anyone tell me how to convert an NSArray to an NSData I have an NSArray. I need to send it to an NSInputStream. In order to do that I need.. to convert NSArray to NSData Can anyone tell me how to convert an NSArray to an NSData I have an NSArray. I need to send it to an NSInputStream. In order to do that I need to convert the NSArray to an NSData. Please help me.. to NSData Can anyone tell me how to convert an NSArray to an NSData I have an NSArray. I need to send it to an NSInputStream. In order to do that I need to convert the NSArray to an NSData. Please help me I'm stuck here. iphone share improve this question Use NSKeyedArchiver which is the last sentence of the post Garrett..
How to get the RGB values for a pixel on an image on the iphone http://stackoverflow.com/questions/144250/how-to-get-the-rgb-values-for-a-pixel-on-an-image-on-the-iphone on the image and capture the RGB values for the pixel in question to determine and match its color. Getting the UIImage is the easy part but is there a way to convert the UIImage data into a bitmap representation in which I could extract this information for a given pixel A working code sample would be most appreciated and note.. color space. CGColorSpaceRelease colorSpace return nil Create the bitmap context. Pre multiplied RGBA 8 bits per component. The source image format will be converted to the format specified here by CGBitmapContextCreate. self setContext CGBitmapContextCreate void pixelData self.size.width self.size.height RGBA_8_BIT..
iPhone image stretching (skew) http://stackoverflow.com/questions/2351586/iphone-image-stretching-skew shearing and scaling. They all map parallelograms into parallelograms which your transform does not. For your transform it can be done in two steps. One to convert the square into a trapezoid. p1 p2 p1 p2 p3 p4 p3 p4' Another to the vertical direction. A naive transformation rule is y c x' x p1.x ”——————†p1.x p1.y.. This indicates such a transform is not linear. Therefore CATransform3D cannot perform this as a 2D transform either. However the vector x y z w 1 will be converted to the actual 3D vector x w y w z w before projection if CA follows usual 3D compute graphics rules so you could cheat by using the transform P . . Q x x' . R.. relying on the CATransform3DMake functions. You may need to perform a transpose due to convention of using row or column vectors. To obtain the transform to convert a rectangle X Y W H to any quadrilateral x1a y1a x2a y2a x3a y3a x4a y4a use this function you may need a transpose function compute_transform_matrix X Y W H x1a..
JSON and Core Data on the iPhone http://stackoverflow.com/questions/2362323/json-and-core-data-on-the-iphone inexperienced iPhone developer whether anyone could recommend an approach and a suitable JSON implementation for the iPhone which would allow me to 1 convert the core data records into a JSON string whilst maintaining the relationship between the entities and 2 convert the JSON string back into core data objects again.. for the iPhone which would allow me to 1 convert the core data records into a JSON string whilst maintaining the relationship between the entities and 2 convert the JSON string back into core data objects again preserving the relationship between entities . I have searched unsuccessfully for a tutorial code sample on this.. pick a JSON library to use I personally like TouchJSON but several others out there are quite nice as well. The complicated part although not very hard is to convert your managed objects into suitable structures for the conversion. I wrote this real quick so it may have an error or two The methods you call are NSString jsonStructureFromManagedObjects..
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 And how could I turn the NSDate back into a string iphone objective c ios nsstring nsdate .. setDateFormat @ dd MM yyyy NSDate dateFromString NSDate alloc init voila dateFromString dateFormatter dateFromString dateString dateFormatter release NSDate convert to NSString NSDateFormatter dateFormatter NSDateFormatter alloc init dateFormatter setDateFormat @ dd MM yyyy NSString strDate dateFormatter stringFromDate NSDate..
Text to speech on iPhone [closed] http://stackoverflow.com/questions/416064/text-to-speech-on-iphone to speech on iPhone closed Is there any way we can convert text to speech in an iPhone app Is it possible using the SDK Are there any third party TTS engines available for the iPhone AFAIK Acapela is not yet released iphone..
Why NSUserDefaults failed to save NSMutableDictionary in iPhone SDK? http://stackoverflow.com/questions/471830/why-nsuserdefaults-failed-to-save-nsmutabledictionary-in-iphone-sdk using NSKeyedArchiver which ends with NSData. Then use UserDefaults save the NSData. When I need the data I read out the NSData and use NSKeyedUnarchiver to convert NSData back to the object. It is a little cumbersome because i need to convert to from NSData everytime but it just works. Here is one example per request Save.. NSData. When I need the data I read out the NSData and use NSKeyedUnarchiver to convert NSData back to the object. It is a little cumbersome because i need to convert to from NSData everytime but it just works. Here is one example per request Save NSUserDefaults defaults NSUserDefaults standardUserDefaults NSMutableArray arr..
Example or explanation of Core Data Migration with multiple passes? http://stackoverflow.com/questions/5995231/example-or-explanation-of-core-data-migration-with-multiple-passes a timestamp as a double and the second one which should store a date as NSString . The goal is to transfer all Version 1 Events to the two new entities and convert the values along the migration. This results in twice the values each as a different type in a separate entitiy. To migrate we choose migration by hand and this.. YES Final step the migration itself I'll skip the part for setting up the second mapping model which is almost identical just a timeIntervalSince1970 used to convert the NSDate to a double. Finally we need to trigger the migration. I'll skip the boilerplate code for now. If you need it I'll post here. It can be found at Customizing..
Make movie file with picture Array and song file, using AVAsset http://stackoverflow.com/questions/6061092/make-movie-file-with-picture-array-and-song-file-using-avasset videoWriterInput Start a session videoWriter startWriting videoWriter startSessionAtSourceTime kCMTimeZero Video encoding CVPixelBufferRef buffer NULL convert uiimage to CGImage. int frameCount 0 for int i 0 i 20 i buffer self pixelBufferFromCGImage m_PictArray objectAtIndex i CGImage andSize size BOOL append_ok NO int.. videoWriterInput Start a session videoWriter startWriting videoWriter startSessionAtSourceTime kCMTimeZero Video encoding CVPixelBufferRef buffer NULL convert uiimage to CGImage. int frameCount 0 for int i 0 i m_PictArray count i buffer self pixelBufferFromCGImage m_PictArray objectAtIndex i CGImage andSize size BOOL..
Apple PNS (push notification services) sample code http://stackoverflow.com/questions/1052645/apple-pns-push-notification-services-sample-code no Server 's Down ' 'sound' 'k1DiveAlarm.caf' 'badge' 42 'test_data' 'foo' 'bar' # Certificate issued by apple and converted to .pem format with openSSL # Per Apple's Push Notification Guide end of chapter 3 first export the cert in p12 format.. theHost 'gateway.sandbox.push.apple.com' 2195 # data json.dumps thePayLoad # Clear out spaces in the device token and convert to hex deviceToken deviceToken.replace ' ' '' byteToken bytes.fromhex deviceToken # Python 3 # byteToken deviceToken.decode..
UIImagePickerController and extracting EXIF data from existing photos http://stackoverflow.com/questions/1238838/uiimagepickercontroller-and-extracting-exif-data-from-existing-photos the UIkit category for UIImage NSData UIImageJPEGRepresentation UIImage image CGFloat compressionQuality Then we can convert the UIImage into a NSData instance and then use it with the iPhone exif library. UPDATE I gave a test to the library mentioned.. array void populateGPS EXFGPSLoc gpsLoc NSArray locArray long numDenumArray 2 long arrPtr numDenumArray EXFUtils convertRationalToFraction arrPtr locArray objectAtIndex 0 EXFraction fract EXFraction alloc initWith numDenumArray 0 numDenumArray.. EXFraction fract EXFraction alloc initWith numDenumArray 0 numDenumArray 1 gpsLoc.degrees fract fract release EXFUtils convertRationalToFraction arrPtr locArray objectAtIndex 1 fract EXFraction alloc initWith numDenumArray 0 numDenumArray 1 gpsLoc.minutes..
How to convert NSArray to NSData? http://stackoverflow.com/questions/1286212/how-to-convert-nsarray-to-nsdata to convert NSArray to NSData Can anyone tell me how to convert an NSArray to an NSData I have an NSArray. I need to send it to an.. to convert NSArray to NSData Can anyone tell me how to convert an NSArray to an NSData I have an NSArray. I need to send it to an NSInputStream. In order to do that I need to convert.. an NSArray to an NSData I have an NSArray. I need to send it to an NSInputStream. In order to do that I need to convert the NSArray to an NSData. Please help me I'm stuck here. iphone share improve this question Use NSKeyedArchiver which..
How to get the RGB values for a pixel on an image on the iphone http://stackoverflow.com/questions/144250/how-to-get-the-rgb-values-for-a-pixel-on-an-image-on-the-iphone for the pixel in question to determine and match its color. Getting the UIImage is the easy part but is there a way to convert the UIImage data into a bitmap representation in which I could extract this information for a given pixel A working code.. return nil Create the bitmap context. Pre multiplied RGBA 8 bits per component. The source image format will be converted to the format specified here by CGBitmapContextCreate. self setContext CGBitmapContextCreate void pixelData self.size.width..
iPhone image stretching (skew) http://stackoverflow.com/questions/2351586/iphone-image-stretching-skew into parallelograms which your transform does not. For your transform it can be done in two steps. One to convert the square into a trapezoid. p1 p2 p1 p2 p3 p4 p3 p4' Another to the vertical direction. A naive transformation rule is.. not linear. Therefore CATransform3D cannot perform this as a 2D transform either. However the vector x y z w 1 will be converted to the actual 3D vector x w y w z w before projection if CA follows usual 3D compute graphics rules so you could cheat.. You may need to perform a transpose due to convention of using row or column vectors. To obtain the transform to convert a rectangle X Y W H to any quadrilateral x1a y1a x2a y2a x3a y3a x4a y4a use this function you may need a transpose function..
JSON and Core Data on the iPhone http://stackoverflow.com/questions/2362323/json-and-core-data-on-the-iphone whether anyone could recommend an approach and a suitable JSON implementation for the iPhone which would allow me to 1 convert the core data records into a JSON string whilst maintaining the relationship between the entities and 2 convert the JSON.. to 1 convert the core data records into a JSON string whilst maintaining the relationship between the entities and 2 convert the JSON string back into core data objects again preserving the relationship between entities . I have searched unsuccessfully.. like TouchJSON but several others out there are quite nice as well. The complicated part although not very hard is to convert your managed objects into suitable structures for the conversion. I wrote this real quick so it may have an error or two..
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 And how could I turn the NSDate back into a string iphone.. NSDate alloc init voila dateFromString dateFormatter dateFromString dateString dateFormatter release NSDate convert to NSString NSDateFormatter dateFormatter NSDateFormatter alloc init dateFormatter setDateFormat @ dd MM yyyy NSString strDate..
Text to speech on iPhone [closed] http://stackoverflow.com/questions/416064/text-to-speech-on-iphone to speech on iPhone closed Is there any way we can convert text to speech in an iPhone app Is it possible using the SDK Are there any third party TTS engines available for the iPhone..
Why NSUserDefaults failed to save NSMutableDictionary in iPhone SDK? http://stackoverflow.com/questions/471830/why-nsuserdefaults-failed-to-save-nsmutabledictionary-in-iphone-sdk NSData. Then use UserDefaults save the NSData. When I need the data I read out the NSData and use NSKeyedUnarchiver to convert NSData back to the object. It is a little cumbersome because i need to convert to from NSData everytime but it just works... the NSData and use NSKeyedUnarchiver to convert NSData back to the object. It is a little cumbersome because i need to convert to from NSData everytime but it just works. Here is one example per request Save NSUserDefaults defaults NSUserDefaults..
Example or explanation of Core Data Migration with multiple passes? http://stackoverflow.com/questions/5995231/example-or-explanation-of-core-data-migration-with-multiple-passes one which should store a date as NSString . The goal is to transfer all Version 1 Events to the two new entities and convert the values along the migration. This results in twice the values each as a different type in a separate entitiy. To migrate.. skip the part for setting up the second mapping model which is almost identical just a timeIntervalSince1970 used to convert the NSDate to a double. Finally we need to trigger the migration. I'll skip the boilerplate code for now. If you need it..
Make movie file with picture Array and song file, using AVAsset http://stackoverflow.com/questions/6061092/make-movie-file-with-picture-array-and-song-file-using-avasset videoWriter startWriting videoWriter startSessionAtSourceTime kCMTimeZero Video encoding CVPixelBufferRef buffer NULL convert uiimage to CGImage. int frameCount 0 for int i 0 i 20 i buffer self pixelBufferFromCGImage m_PictArray objectAtIndex i.. videoWriter startWriting videoWriter startSessionAtSourceTime kCMTimeZero Video encoding CVPixelBufferRef buffer NULL convert uiimage to CGImage. int frameCount 0 for int i 0 i m_PictArray count i buffer self pixelBufferFromCGImage m_PictArray objectAtIndex..
http://stackoverflow.com/questions/1298867/convert-image-to-grayscale image to grayscale I am trying to convert an image into grayscale in the following way #define bytesPerPixel 4 #define..
How to get UIImage from EAGLView? http://stackoverflow.com/questions/1352864/how-to-get-uiimage-from-eaglview
Encrypted NSData to NSString in obj-c? http://stackoverflow.com/questions/1417893/encrypted-nsdata-to-nsstring-in-obj-c want string input and output Encryption Provide the NSString to be encrypted and the passphrase to use for encrypting. Convert the string to an NSData and perform AES encryption on it see previous question . Base64 encode the NSData then create and..
How to add a UIImage in MailComposer Sheet of MFMailComposeViewController http://stackoverflow.com/questions/1527351/how-to-add-a-uiimage-in-mailcomposer-sheet-of-mfmailcomposeviewcontroller come from the main bundle but your source can be elsewhere UIImage emailImage UIImage imageNamed @ myImageName.png Convert the image into data NSData imageData NSData dataWithData UIImagePNGRepresentation emailImage Create a base64 string representation..
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..
NSDate Convert milliseconds to NSDate http://stackoverflow.com/questions/2741199/nsdate-convert-milliseconds-to-nsdate Convert milliseconds to NSDate I have this 1273636800000 I want this Wed Mar 03 2010 00 00 00 GMT 0500 EST I need to convert this..
apply style to range of text with javascript in uiwebview http://stackoverflow.com/questions/2887101/apply-style-to-range-of-text-with-javascript-in-uiwebview function removeSpansWithClass cssClass var spans document.body.getElementsByClassName cssClass span parentNode Convert spans to an array to prevent live updating of the list as we remove the spans spans Array.prototype.slice.call spans 0 for..
http://stackoverflow.com/questions/3841642/curve-text-on-existing-circle quartz graphics quartz 2d share improve this question I tried to work it out quickly on paper so i may be wrong Convert the length of the string into units on the UnitCircle . Thus string.lenght circle perimeter 2Pi. You now have the angle..
Convert NSString of a date to an NSDate http://stackoverflow.com/questions/4332319/convert-nsstring-of-a-date-to-an-nsdate NSString of a date to an NSDate This might be a silly question but I can't seem to find the answer on here or in the documentation...
How to convert string to date in objective-c? http://stackoverflow.com/questions/4380381/how-to-convert-string-to-date-in-objective-c at the class reference for NSDateFormatter . You use it like this NSString dateStr @ Tue 25 May 2010 12 53 58 0000 Convert string to date object NSDateFormatter dateFormat NSDateFormatter alloc init dateFormat setDateFormat @ EE d LLLL yyyy HH..
A NSFetchedResultsController with date as sectionNameKeyPath http://stackoverflow.com/questions/4418703/a-nsfetchedresultscontroller-with-date-as-sectionnamekeypath NSInteger section NSString rawDateStr self.fetchedResultsController sections objectAtIndex section name Convert rawDateStr string to NSDate... NSDateFormatter formatter NSDateFormatter alloc init autorelease formatter setDateFormat.. init autorelease formatter setDateFormat @ yyyy MM dd HH mm ss ZZ NSDate date formatter dateFromString rawDateStr Convert NSDate to format we want... formatter setDateFormat @ d MMMM yyyy NSString formattedDateStr formatter stringFromDate date..
Turning an iPhone or iPod into a wireless webcam http://stackoverflow.com/questions/5258696/turning-an-iphone-or-ipod-into-a-wireless-webcam question If I interpret your question correctly you more or less need to solve four problems Get the camera feed. Convert encode this to the right format. Stream the data. Prevent the phone from locking itself and going into deep sleep. The first..
Convert decimal to fraction in Objective-C? http://stackoverflow.com/questions/5552537/convert-decimal-to-fraction-in-objective-c decimal to fraction in Objective C I am trying to take everything after the decimal and display it as a fraction. Couldn't.. post fully how it is done. Thanks. Update If this answer isn't working for you check out my other post this works Convert decimals to fractions iphone objective c xcode formatting share improve this question Objective C uses pure C for basically..
http://stackoverflow.com/questions/576265/convert-nsdate-to-nsstring NSDate to NSString How do I convert NSDate to NSString so that only the year in @ yyyy format is output to the string ..
iPhone - Convert CTFont to UIFont? http://stackoverflow.com/questions/6714858/iphone-convert-ctfont-to-uifont Convert CTFont to UIFont I am trying to convert a CTFont to a UIFont without losing any of the styles and attributes such as Font..
iPhone Watermark on recorded Video. http://stackoverflow.com/questions/7205820/iphone-watermark-on-recorded-video there won't work on their own so see the first link. AVCaptureDataOutput will return images as CMSampleBufferRef s. Convert them to CGImageRef s using this code CGImageRef imageFromSampleBuffer CMSampleBufferRef sampleBuffer Create a CGImageRef..
How to change a particular color in an image? http://stackoverflow.com/questions/8046643/how-to-change-a-particular-color-in-an-image processing core graphics pixel share improve this question Here is the sketch of a possible solution using OpenCV Convert the image from RGB to HSV using cvCvtColor we only want to change the hue . Isolate a color with cvThreshold specifying..
iPhone: Convert date string to a relative time stamp http://stackoverflow.com/questions/902950/iphone-convert-date-string-to-a-relative-time-stamp Convert date string to a relative time stamp I've got a timestamp as a string like Thu 21 May 09 19 10 09 0700 and I'd like to..
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