2014/10/15 下午 10:05:33

iphone Programming Glossary: converted

http://stackoverflow.com/questions/1045238/core-data-vs-sqlite-and-performance

if anyone has any real world numbers on performance differences between an old sqlite application which has been converted to Core Data in the 3.0 SDK. I suspect that under the hood Core Data is just using sqlite anyways and that it add's a bit..

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 #..

HTTP Live Streaming, FFMPEG & FFSERVER, and iPhone OS 3

http://stackoverflow.com/questions/1093667/http-live-streaming-ffmpeg-ffserver-and-iphone-os-3

live streaming of video from the internet. I am currently operating a webcam which feeds into my server and is then converted into a flv stream by ffmpeg and streamed back out using ffserver. Does anyone know how to setup a video stream the iPhone..

OpenCV.Framework does not compile for the armv7s architecture

http://stackoverflow.com/questions/12491046/opencv-framework-does-not-compile-for-the-armv7s-architecture

for me as a drop in replacement for my previous opencv2.framework. I did notice however that jonmarimba has not converted the targets for opencv_videostab opencv_stitching or opencv_nonfree. It is possible that if you use one of those libraries..

unichar and NSString - how interchangeable are these?

http://stackoverflow.com/questions/1354388/unichar-and-nsstring-how-interchangeable-are-these

unichar. unichar characterAtIndex NSUInteger index I wonder if this unichar which obviously is not an NSString can be converted into an NSString or feeded to an NSString for comparing purposes And Does an NSString internally just consist of an array..

Sorting an array of doubles or CLLocationDistance values on the iPhone

http://stackoverflow.com/questions/1422840/sorting-an-array-of-doubles-or-cllocationdistance-values-on-the-iphone

on the iPhone I'm trying to sort a list of CLLocationDistance values by closest distance ascending order . I first converted the values to NSString objects so that I could use the following sort NSArray sortedArray sortedArray distances sortedArrayUsingSelector..

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

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

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..

Compress/Decompress NSString in objective-c (iphone) using GZIP or deflate

http://stackoverflow.com/questions/3015904/compress-decompress-nsstring-in-objective-c-iphone-using-gzip-or-deflate

code. The encodedGzippedString is as you can guess a string Hello my name is Steven Elliott which is gzipped and then converted to a base64 string. Unfortunately the result that prints using NSLog is just blank. NSString encodedGzippedString @ GgAAAB..

Convert Image to B&W problem CGContext - iPhone Dev

http://stackoverflow.com/questions/3340564/convert-image-to-bw-problem-cgcontext-iphone-dev

And White. Here is the method I am using. Im not 100 that this bug is from the conversion but it only happens when its converted. Oh ya. This is the iOS 4. UIImage convertImageToGrayScale UIImage image Create image rectangle with current image width..

Saving Geotag info with photo on iOS4.1

http://stackoverflow.com/questions/3884060/saving-geotag-info-with-photo-on-ios4-1

gps setObject NSNumber numberWithFloat altitude forKey NSString kCGImagePropertyGPSAltitude Speed must be converted from m s to km h if location.speed 0 gps setObject @ K forKey NSString kCGImagePropertyGPSSpeedRef gps setObject NSNumber..

How to display an image on a MKOverlayView?

http://stackoverflow.com/questions/3891850/how-to-display-an-image-on-a-mkoverlayview

projection using the program gdal2tiles . The input data however changes every fifteen minutes so the image has to be converted every fifteen minutes. So the conversion has to be done on the fly. I also want the tiling to be done by Mapkit and not..

Extract iPod Library raw PCM samples and play with sound effects

http://stackoverflow.com/questions/4796643/extract-ipod-library-raw-pcm-samples-and-play-with-sound-effects

apply such effects. Any idea what would be the best approach to achieve this I have looked at cases where the file is converted using an AVAssetWriter but this is not going to cut it for me because the process is too time consuming. Surely I can just..

! vs == nil in objective-c [duplicate]

http://stackoverflow.com/questions/6782190/vs-nil-in-objective-c

have kept the original definition for compatibility. In your specific case someString is a pointer so it is first converted to an integer then someString is interpreted as a bool value of true when someString points at the location 0x000000 otherwise.. the value 0 or such an expression cast to type void is called a null pointer constant.55 If a null pointer constant is converted to a pointer type the resulting pointer called a null pointer is guaranteed to compare unequal to a pointer to any object.. to compare unequal to a pointer to any object or function. So the null pointer constant which is void 0 can be converted to a null pointer and this is guaranteed to compare unequal to a pointer to any object or function. So I think that basically..

How could I create a shortcut on desktop in iOS through an app

http://stackoverflow.com/questions/7577889/how-could-i-create-a-shortcut-on-desktop-in-ios-through-an-app

to a web service. The web service then creates a page with the webclip information attached. The phone number email is converted to a url which will trigger the corresponding app Mail Messages Phone . i.e 834 895 734 tel 834895734 or sms 834895734 The..

How to insert utf-8 mb4 character(emoji in ios5) in mysql?

http://stackoverflow.com/questions/7814293/how-to-insert-utf-8-mb4-characteremoji-in-ios5-in-mysql

as well. Here's a few other things to check out Make sure all your tables' default character sets and text fields are converted to utf8mb4 in addition to setting the client server character sets e.g. ALTER TABLE mytable charset utf8mb4 MODIFY COLUMN..

NSDateFormatter dateFromString gives the wrong date

http://stackoverflow.com/questions/8186833/nsdateformatter-datefromstring-gives-the-wrong-date

anyone have any idea why the wrong date is being picked out from the dateFromString The string is November 18th the converted date is December 31st... Thanks everyone iphone ios nsdateformatter share improve this question You need to use yyyy..

Why is object not dealloc'ed when using ARC + NSZombieEnabled

http://stackoverflow.com/questions/8408071/why-is-object-not-dealloced-when-using-arc-nszombieenabled

is object not dealloc'ed when using ARC NSZombieEnabled I converted my app to ARC and noticed that an object alloc'ed in one of my view controllers was not being dealloc'ed when that view..