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2014/10/15 ¤U¤È 10:12:24
iphone Programming Glossary: outputUsing the apple FFT and accelerate Framework http://stackoverflow.com/questions/3398753/using-the-apple-fft-and-accelerate-framework tells the project to load a xib but I'm 90 sure you don't need to bother with that. NOTE Program outputs to console results come out as 0.000 that's not an error it's just very very fast This code is really.. frequency for a given bin. Ok Now onto the code Note the 'ip' in vDSP_fft_zrip ' in place ' ie output overwrites A 'r' means it takes real inputs Look at the documentation on vDSP_fft_zrip Real data is..
Objective-c iPhone percent encode a string? http://stackoverflow.com/questions/3423545/objective-c-iphone-percent-encode-a-string also properly handle encoding unicode characters. NSString URLEncodedString_ch NSMutableString output NSMutableString string const unsigned char source const unsigned char self UTF8String int sourceLen.. const char source for int i 0 i sourceLen i const unsigned char thisChar source i if thisChar ' ' output appendString @ else if thisChar '.' thisChar ' ' thisChar '_' thisChar '~' thisChar 'a' thisChar 'z'.. '_' thisChar '~' thisChar 'a' thisChar 'z' thisChar 'A' thisChar 'Z' thisChar '0' thisChar '9' output appendFormat @ c thisChar else output appendFormat @ 02X thisChar return output share improve this..
Build fat static library (device + simulator) using Xcode and SDK 4+ http://stackoverflow.com/questions/3520977/build-fat-static-library-device-simulator-using-xcode-and-sdk-4 CURRENTCONFIG_SIMULATOR_DIR CREATING_UNIVERSAL_DIR SYMROOT CONFIGURATION universal echo ...I will output a universal build to CREATING_UNIVERSAL_DIR # ... remove the products of previous runs of this script.. mkdir CREATING_UNIVERSAL_DIR # echo lipo for current configuration CONFIGURATION creating output file CREATING_UNIVERSAL_DIR EXECUTABLE_NAME xcrun sdk iphoneos lipo create output CREATING_UNIVERSAL_DIR.. creating output file CREATING_UNIVERSAL_DIR EXECUTABLE_NAME xcrun sdk iphoneos lipo create output CREATING_UNIVERSAL_DIR EXECUTABLE_NAME CURRENTCONFIG_DEVICE_DIR EXECUTABLE_NAME CURRENTCONFIG_SIMULATOR_DIR..
How to build a framework or library for other developers, the secure way? http://stackoverflow.com/questions/4065052/how-to-build-a-framework-or-library-for-other-developers-the-secure-way into the bundle see the articles above but not the source as it's not included only the compiled output is in the bundle . This can also be a great way to distribute code that is used for multiple projects..
iOS SDK - Programmatically generate a PDF file http://stackoverflow.com/questions/4362734/ios-sdk-programmatically-generate-a-pdf-file you might consider using Interface Builder to create a view that serves as a template for your PDF output. You would then write code to load the view fill in any data e.g. set text for UILabels etc. then render..
iPhone get SSID without private library http://stackoverflow.com/questions/5198716/iphone-get-ssid-without-private-library ifnam info if info info count break info release ifs release return info autorelease Example output 2011 03 04 15 32 00.669 ShowSSID 4857 307 ShowSSIDAppDelegate fetchSSIDInfo Supported interfaces en0..
http://stackoverflow.com/questions/8088473/url-encode-an-nsstring url encode a string @implementation NSString NSString_Extended NSString urlencode NSMutableString output NSMutableString string const unsigned char source const unsigned char self UTF8String int sourceLen.. const char source for int i 0 i sourceLen i const unsigned char thisChar source i if thisChar ' ' output appendString @ else if thisChar '.' thisChar ' ' thisChar '_' thisChar '~' thisChar 'a' thisChar 'z'.. '_' thisChar '~' thisChar 'a' thisChar 'z' thisChar 'A' thisChar 'Z' thisChar '0' thisChar '9' output appendFormat @ c thisChar else output appendFormat @ 02X thisChar return output Used like this NSString..
Using the apple FFT and accelerate Framework http://stackoverflow.com/questions/3398753/using-the-apple-fft-and-accelerate-framework You might also need to remove an entry from info.plist that tells the project to load a xib but I'm 90 sure you don't need to bother with that. NOTE Program outputs to console results come out as 0.000 that's not an error it's just very very fast This code is really stupidly obscure it is generously commented but the comments.. FFT Bins using phase change between frames to get the precise frequency for a given bin. Ok Now onto the code Note the 'ip' in vDSP_fft_zrip ' in place ' ie output overwrites A 'r' means it takes real inputs Look at the documentation on vDSP_fft_zrip Real data is stored in split complex form with odd reals stored on the imaginary..
Objective-c iPhone percent encode a string? http://stackoverflow.com/questions/3423545/objective-c-iphone-percent-encode-a-string also encode spaces as according to this specification . It will also properly handle encoding unicode characters. NSString URLEncodedString_ch NSMutableString output NSMutableString string const unsigned char source const unsigned char self UTF8String int sourceLen strlen const char source for int i 0 i sourceLen i const unsigned.. const unsigned char self UTF8String int sourceLen strlen const char source for int i 0 i sourceLen i const unsigned char thisChar source i if thisChar ' ' output appendString @ else if thisChar '.' thisChar ' ' thisChar '_' thisChar '~' thisChar 'a' thisChar 'z' thisChar 'A' thisChar 'Z' thisChar '0' thisChar '9' output..
Build fat static library (device + simulator) using Xcode and SDK 4+ http://stackoverflow.com/questions/3520977/build-fat-static-library-device-simulator-using-xcode-and-sdk-4 CURRENTCONFIG_DEVICE_DIR echo Taking simulator build from CURRENTCONFIG_SIMULATOR_DIR CREATING_UNIVERSAL_DIR SYMROOT CONFIGURATION universal echo ...I will output a universal build to CREATING_UNIVERSAL_DIR # ... remove the products of previous runs of this script # NB this directory is ONLY created by this script it should.. this script it should be safe to delete rm rf CREATING_UNIVERSAL_DIR mkdir CREATING_UNIVERSAL_DIR # echo lipo for current configuration CONFIGURATION creating output file CREATING_UNIVERSAL_DIR EXECUTABLE_NAME xcrun sdk iphoneos lipo create output CREATING_UNIVERSAL_DIR EXECUTABLE_NAME CURRENTCONFIG_DEVICE_DIR EXECUTABLE_NAME.. # echo lipo for current configuration CONFIGURATION creating output file CREATING_UNIVERSAL_DIR EXECUTABLE_NAME xcrun sdk iphoneos lipo create output CREATING_UNIVERSAL_DIR EXECUTABLE_NAME CURRENTCONFIG_DEVICE_DIR EXECUTABLE_NAME CURRENTCONFIG_SIMULATOR_DIR EXECUTABLE_NAME ######### # # Added StackOverflow suggestion..
How to build a framework or library for other developers, the secure way? http://stackoverflow.com/questions/4065052/how-to-build-a-framework-or-library-for-other-developers-the-secure-way Xcode. They will be able to see the header files you copy into the bundle see the articles above but not the source as it's not included only the compiled output is in the bundle . This can also be a great way to distribute code that is used for multiple projects within your company. Update Check out the link featherless..
iOS SDK - Programmatically generate a PDF file http://stackoverflow.com/questions/4362734/ios-sdk-programmatically-generate-a-pdf-file my needs. Second depending on the format layout of your PDF you might consider using Interface Builder to create a view that serves as a template for your PDF output. You would then write code to load the view fill in any data e.g. set text for UILabels etc. then render the individual elements of the view into the PDF. In other..
iPhone get SSID without private library http://stackoverflow.com/questions/5198716/iphone-get-ssid-without-private-library CFStringRef ifnam NSLog @ s @ @ __func__ ifnam info if info info count break info release ifs release return info autorelease Example output 2011 03 04 15 32 00.669 ShowSSID 4857 307 ShowSSIDAppDelegate fetchSSIDInfo Supported interfaces en0 2011 03 04 15 32 00.693 ShowSSID 4857 307 ShowSSIDAppDelegate..
http://stackoverflow.com/questions/8088473/url-encode-an-nsstring have not fixed it yet I have been using this category to url encode a string @implementation NSString NSString_Extended NSString urlencode NSMutableString output NSMutableString string const unsigned char source const unsigned char self UTF8String int sourceLen strlen const char source for int i 0 i sourceLen i const unsigned.. const unsigned char self UTF8String int sourceLen strlen const char source for int i 0 i sourceLen i const unsigned char thisChar source i if thisChar ' ' output appendString @ else if thisChar '.' thisChar ' ' thisChar '_' thisChar '~' thisChar 'a' thisChar 'z' thisChar 'A' thisChar 'Z' thisChar '0' thisChar '9' output.. appendString @ else if thisChar '.' thisChar ' ' thisChar '_' thisChar '~' thisChar 'a' thisChar 'z' thisChar 'A' thisChar 'Z' thisChar '0' thisChar '9' output appendFormat @ c thisChar else output appendFormat @ 02X thisChar return output Used like this NSString urlEncodedString @ SOME_URL_GOES_HERE urlencode Or with..
Using the apple FFT and accelerate Framework http://stackoverflow.com/questions/3398753/using-the-apple-fft-and-accelerate-framework from info.plist that tells the project to load a xib but I'm 90 sure you don't need to bother with that. NOTE Program outputs to console results come out as 0.000 that's not an error it's just very very fast This code is really stupidly obscure.. to get the precise frequency for a given bin. Ok Now onto the code Note the 'ip' in vDSP_fft_zrip ' in place ' ie output overwrites A 'r' means it takes real inputs Look at the documentation on vDSP_fft_zrip Real data is stored in split complex..
Objective-c iPhone percent encode a string? http://stackoverflow.com/questions/3423545/objective-c-iphone-percent-encode-a-string specification . It will also properly handle encoding unicode characters. NSString URLEncodedString_ch NSMutableString output NSMutableString string const unsigned char source const unsigned char self UTF8String int sourceLen strlen const char source.. sourceLen strlen const char source for int i 0 i sourceLen i const unsigned char thisChar source i if thisChar ' ' output appendString @ else if thisChar '.' thisChar ' ' thisChar '_' thisChar '~' thisChar 'a' thisChar 'z' thisChar 'A' thisChar..
Build fat static library (device + simulator) using Xcode and SDK 4+ http://stackoverflow.com/questions/3520977/build-fat-static-library-device-simulator-using-xcode-and-sdk-4 simulator build from CURRENTCONFIG_SIMULATOR_DIR CREATING_UNIVERSAL_DIR SYMROOT CONFIGURATION universal echo ...I will output a universal build to CREATING_UNIVERSAL_DIR # ... remove the products of previous runs of this script # NB this directory.. rm rf CREATING_UNIVERSAL_DIR mkdir CREATING_UNIVERSAL_DIR # echo lipo for current configuration CONFIGURATION creating output file CREATING_UNIVERSAL_DIR EXECUTABLE_NAME xcrun sdk iphoneos lipo create output CREATING_UNIVERSAL_DIR EXECUTABLE_NAME.. configuration CONFIGURATION creating output file CREATING_UNIVERSAL_DIR EXECUTABLE_NAME xcrun sdk iphoneos lipo create output CREATING_UNIVERSAL_DIR EXECUTABLE_NAME CURRENTCONFIG_DEVICE_DIR EXECUTABLE_NAME CURRENTCONFIG_SIMULATOR_DIR EXECUTABLE_NAME..
How to build a framework or library for other developers, the secure way? http://stackoverflow.com/questions/4065052/how-to-build-a-framework-or-library-for-other-developers-the-secure-way header files you copy into the bundle see the articles above but not the source as it's not included only the compiled output is in the bundle . This can also be a great way to distribute code that is used for multiple projects within your company...
iOS SDK - Programmatically generate a PDF file http://stackoverflow.com/questions/4362734/ios-sdk-programmatically-generate-a-pdf-file layout of your PDF you might consider using Interface Builder to create a view that serves as a template for your PDF output. You would then write code to load the view fill in any data e.g. set text for UILabels etc. then render the individual..
iPhone get SSID without private library http://stackoverflow.com/questions/5198716/iphone-get-ssid-without-private-library NSLog @ s @ @ __func__ ifnam info if info info count break info release ifs release return info autorelease Example output 2011 03 04 15 32 00.669 ShowSSID 4857 307 ShowSSIDAppDelegate fetchSSIDInfo Supported interfaces en0 2011 03 04 15 32 00.693..
http://stackoverflow.com/questions/8088473/url-encode-an-nsstring this category to url encode a string @implementation NSString NSString_Extended NSString urlencode NSMutableString output NSMutableString string const unsigned char source const unsigned char self UTF8String int sourceLen strlen const char source.. sourceLen strlen const char source for int i 0 i sourceLen i const unsigned char thisChar source i if thisChar ' ' output appendString @ else if thisChar '.' thisChar ' ' thisChar '_' thisChar '~' thisChar 'a' thisChar 'z' thisChar 'A' thisChar.. ' ' thisChar '_' thisChar '~' thisChar 'a' thisChar 'z' thisChar 'A' thisChar 'Z' thisChar '0' thisChar '9' output appendFormat @ c thisChar else output appendFormat @ 02X thisChar return output Used like this NSString urlEncodedString..
iPhone audio playback: force through internal speaker? http://stackoverflow.com/questions/1064846/iphone-audio-playback-force-through-internal-speaker improve this question I'm not sure how you are doing your audio playback but try having a look at the Redirecting Output Audio section of the Audio Session Programming Guide It looks something like this UInt32 audioRouteOverride kAudioSessionOverrideAudioRoute_Speaker..
array length in objective c [duplicate] http://stackoverflow.com/questions/11393359/array-length-in-objective-c 89 34 89 34 2 600 2 0 int i NSLog @ Input for i 0 i sizeof anBray sizeof int i NSLog @ anBray i i i anBray i NSLog @ Output myFunction i anBray return 0 void myFunction int i int anBray for i 0 i anBray i if anBray i 0 anBray i anBray i 1 anBray..
Extracting a public key from key pair in key chain http://stackoverflow.com/questions/11467215/extracting-a-public-key-from-key-pair-in-key-chain publicKeyBits nil publicKeyBits __bridge_transfer NSData pk NSLog @ public bits @ publicKeyBits return publicKeyBits Output the public bits part last line is always the same 2012 07 13 10 39 28.391 12279 707 begin generating key... 2012 07 13 10..
Get specific Value between Javascript Function by NSRegularExpression? http://stackoverflow.com/questions/15128700/get-specific-value-between-javascript-function-by-nsregularexpression
iPhone: how to get safari to recognize a vcard? http://stackoverflow.com/questions/1892373/iphone-how-to-get-safari-to-recognize-a-vcard user_agent isset _SERVER 'HTTP_USER_AGENT' _SERVER 'HTTP_USER_AGENT' '' return strpos user_agent 'OS 7' FALSE # Output file contents simple version if isIphone isiOS7 # Send correct headers header Content type text x vcard charset utf 8 Alternatively.. behaviour Be sure to test thoroughly cross browser header Content Disposition attachment filename iphonecontact.vcf # Output file contents echo file_get_contents iphonecontact.vcf exit What follows is a full description of an alternative method..
How Do I write a Timer in Objective-C? http://stackoverflow.com/questions/3519562/how-do-i-write-a-timer-in-objective-c high precision and isn't suited to what you want to do. What you want is a High resolution timer class using NSDate Output Total time was 0.002027 milliseconds Total time was 0.000002 seconds Total time was 0.000000 minutes Main Timer timer Timer..
Output iPad content to external display http://stackoverflow.com/questions/3620646/output-ipad-content-to-external-display iPad content to external display I've heard it's possible to output content from an iPad app to an external display but..
Mysterious “progressive slowing” problem in run loop / drawRect http://stackoverflow.com/questions/4786754/mysterious-progressive-slowing-problem-in-run-loop-drawrect extremely easy to understand app that demos the problem http www.fileswap.com dl p8lU3gAi stepwiseDrawingV2.zip.html Output example below. Does anyone know why this happens It is very strange behaviour from the OS. Later ... an astounding work..
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 assetReaderWithAsset songAsset error &assetError retain if assetError NSLog @ Error @ assetError return AVAssetReaderOutput assetReaderOutput AVAssetReaderAudioMixOutput assetReaderAudioMixOutputWithAudioTracks songAsset.tracks audioSettings nil.. songAsset error &assetError retain if assetError NSLog @ Error @ assetError return AVAssetReaderOutput assetReaderOutput AVAssetReaderAudioMixOutput assetReaderAudioMixOutputWithAudioTracks songAsset.tracks audioSettings nil retain if assetReader.. retain if assetError NSLog @ Error @ assetError return AVAssetReaderOutput assetReaderOutput AVAssetReaderAudioMixOutput assetReaderAudioMixOutputWithAudioTracks songAsset.tracks audioSettings nil retain if assetReader canAddOutput assetReaderOutput..
Drawing waveform with AVAssetReader http://stackoverflow.com/questions/5032775/drawing-waveform-with-avassetreader how I can get it this maybe another way AVAssetTrack songTrack audioUrl.tracks objectAtIndex 0 AVAssetReaderTrackOutput output AVAssetReaderTrackOutput alloc initWithTrack songTrack outputSettings nil reader addOutput output output release.. another way AVAssetTrack songTrack audioUrl.tracks objectAtIndex 0 AVAssetReaderTrackOutput output AVAssetReaderTrackOutput alloc initWithTrack songTrack outputSettings nil reader addOutput output output release NSMutableData fullSongData NSMutableData.. 0 AVAssetReaderTrackOutput output AVAssetReaderTrackOutput alloc initWithTrack songTrack outputSettings nil reader addOutput output output release NSMutableData fullSongData NSMutableData alloc init reader startReading while reader.status AVAssetReaderStatusReading..
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 3676662445068359375L exponent 17 isNegative NO NSLog @ dn3 doubleValue .20f description @ dn3 doubleValue dn3 Output dn3 doubleValue 36.76662445068357953915 description 36.76662445068359375 So the most consistently accurate conversion initialisation..
How can I inspect the window object for mobile safari? http://stackoverflow.com/questions/6206568/how-can-i-inspect-the-window-object-for-mobile-safari Also tried sending all these variations over the socket to the server and logging them there. Output is either object Navigator or nothing javascript jquery iphone mobile safari share improve this question I like jsconsole.com...
How to record sound produced by mixer unit output (iOS Core Audio & Audio Graph) http://stackoverflow.com/questions/7118429/how-to-record-sound-produced-by-mixer-unit-output-ios-core-audio-audio-graph after the Multichannel Mixer unit Setup UInt32 flag 1 Enable IO for playback result AudioUnitSetProperty iOUnit kAudioOutputUnitProperty_EnableIO kAudioUnitScope_Output 0 Output bus flag sizeof flag if noErr result self printErrorMessage @.. flag 1 Enable IO for playback result AudioUnitSetProperty iOUnit kAudioOutputUnitProperty_EnableIO kAudioUnitScope_Output 0 Output bus flag sizeof flag if noErr result self printErrorMessage @ AudioUnitSetProperty EnableIO withStatus result.. Enable IO for playback result AudioUnitSetProperty iOUnit kAudioOutputUnitProperty_EnableIO kAudioUnitScope_Output 0 Output bus flag sizeof flag if noErr result self printErrorMessage @ AudioUnitSetProperty EnableIO withStatus result return..
Loop through all object properties at runtime http://stackoverflow.com/questions/9269372/loop-through-all-object-properties-at-runtime property_getAttributes property NSLog @ Property @ attributes @ name attributesString free propertyArray Output Property age attributes T^q Vage Property lastName attributes T@ NSString N VlastName Property firstName attributes T@ NSString..
Accessing View in awakeFromNib? http://stackoverflow.com/questions/2723042/accessing-view-in-awakefromnib viewDidLoad ... NSLog @ myLabel @ myLabel class NSLog @ myView @ myView class myLabel setText @ VIEW super viewDidLoad OUTPUT awakeFromNib ... myLabel null myView null viewDidLoad ... myLabel UILabel myLabel UIImageView I would be interested to know..
MKMapView setRegion “snaps” to predefined zoom levels? http://stackoverflow.com/questions/3612007/mkmapview-setregion-snaps-to-predefined-zoom-levels f map.region.center.latitude map.region.center.longitude map.region.span.latitudeDelta map.region.span.longitudeDelta OUTPUT DEBUG initialRegion 47.700199 122.367111 0.065189 0.067318 DEBUG map.region 47.700289 122.367096 0.106287 0.109863 Note..
UIDatePicker in UITextField in UITableView realtime update http://stackoverflow.com/questions/6208118/uidatepicker-in-uitextfield-in-uitableview-realtime-update NSDateFormatterMediumStyle NSString local local self datePickerValueChangedd datePicker NSLog @ @ local DISPLAYS OUTPUT ONCE textField.text local datePicker reloadInputViews datePicker release Configure the cell... NSInteger row indexPath row.. label.text NSString stringWithFormat @ @ df stringFromDate datePicker.date NSLog @ @ label.text DISPLAYS OUTPUT WHENEVER PICKER IS MOVED doseInfoDetailsTable.reloadData return label.text NSNotificationCenter defaultCenter addObserver..
Problem with CGImageDestination and file naming http://stackoverflow.com/questions/7301718/problem-with-cgimagedestination-and-file-naming destination CFDictionaryRef gifProperties CGImageDestinationFinalize destination CFRelease destination TEST OUTPUT GENERATED FILES NSArray contents NSFileManager defaultManager contentsOfDirectoryAtPath NSSearchPathForDirectoriesInDomains..
Remove More Than 2 Trailing zero http://stackoverflow.com/questions/7469614/remove-more-than-2-trailing-zero inputString NSString string inputString NSString stringWithFormat @ .4g 12.74f NSLog @ inputString @ n n inputString OUTPUT inputString 12.74 INPUT 12.00 OR 12.000 NSString inputString NSString string inputString NSString stringWithFormat @ .4g.. inputString NSString string inputString NSString stringWithFormat @ .4g 12.00f NSLog @ inputString @ n n inputString OUTPUT inputString 12 UPDATED ANSWER for his comment question INPUT 12.30 i assume here he is going to show this value in some..
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