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2014/10/15 ¤U¤È 10:09:56
iphone Programming Glossary: greaterHow can I upload a photo to a server with the iPhone? http://stackoverflow.com/questions/125306/how-can-i-upload-a-photo-to-a-server-with-the-iphone NSData data IN if data data length 0 return nil zlib compress doc says destSize must be 1 12 bytes greater than source. uLong destSize data length 1.001 12 NSMutableData destData NSMutableData dataWithLength..
http://stackoverflow.com/questions/1349740/arguments-in-selector
Resize UIImage with aspect ratio? http://stackoverflow.com/questions/1703100/resize-uiimage-with-aspect-ratio screenRect.size.height float factor fmax hfactor vfactor Divide the size by the greater of the vertical or horizontal shrinkage factor float newWidth value.bounds.size.width factor float newHeight.. newHeight If you don't want to enlarge images smaller than the screenRect make sure factor is greater than or equal to one e.g. factor fmax factor 1 . To get the black background you would probably just..
http://stackoverflow.com/questions/3339722/check-iphone-ios-version iPhone iOS Version I want to check if the iOS version of the device is greater then the 3.1.3 I tried things like UIDevice currentDevice .systemVersion floatValue but does not work.. in their GLSprite sample code so my recommendation can't be absolute A system version of 3.1 or greater is required to use CADisplayLink. The NSTimer class is used as fallback when it isn't available. NSString..
UITextView with Syntax Highlighting [duplicate] http://stackoverflow.com/questions/3642540/uitextview-with-syntax-highlighting the iPhone . Some of my Ideas of how to do this NSAttributedString . Now available in iOS 3.2 and greater. But how would I put a NSAttributedString into a UITextView UIWebView . Overlay it when the user finished..
canonical way to randomize an NSArray in Objective C http://stackoverflow.com/questions/791232/canonical-way-to-randomize-an-nsarray-in-objective-c range. static NSUInteger random_below NSUInteger n NSUInteger m 1 Compute smallest power of two greater than n. There's probably a faster solution than this loop but bit twiddling isn't my specialty. do m..
iOS Launching Settings -> Restrictions URL Scheme http://stackoverflow.com/questions/8246070/ios-launching-settings-restrictions-url-scheme share improve this question WARNING This method will not work for devices running iOS 5.1 and greater See Hlung's comment below. It's possible that the path component has a different name than the actual..
How can I get a precise time, for example in milliseconds in Objective-C? http://stackoverflow.com/questions/889380/how-can-i-get-a-precise-time-for-example-in-milliseconds-in-objective-c with sub millisecond accuracy. NSTimeInterval is in seconds but it uses the double to give you greater precision. In order to calculate millisecond time accuracy you can do Get a current time for where you..
How can I upload a photo to a server with the iPhone? http://stackoverflow.com/questions/125306/how-can-i-upload-a-photo-to-a-server-with-the-iphone as a NSData object. Side effects None NSData compress NSData data IN if data data length 0 return nil zlib compress doc says destSize must be 1 12 bytes greater than source. uLong destSize data length 1.001 12 NSMutableData destData NSMutableData dataWithLength destSize int error compress destData mutableBytes destSize..
http://stackoverflow.com/questions/1349740/arguments-in-selector
Resize UIImage with aspect ratio? http://stackoverflow.com/questions/1703100/resize-uiimage-with-aspect-ratio screenRect.size.width float vfactor value.bounds.size.height screenRect.size.height float factor fmax hfactor vfactor Divide the size by the greater of the vertical or horizontal shrinkage factor float newWidth value.bounds.size.width factor float newHeight value.bounds.size.height factor Then figure out if.. 2 CGRect newRect CGRectMake leftOffset topOffset newWidth newHeight If you don't want to enlarge images smaller than the screenRect make sure factor is greater than or equal to one e.g. factor fmax factor 1 . To get the black background you would probably just want to set the context color to black and call fillRect before..
http://stackoverflow.com/questions/3339722/check-iphone-ios-version iPhone iOS Version I want to check if the iOS version of the device is greater then the 3.1.3 I tried things like UIDevice currentDevice .systemVersion floatValue but does not work I just want a if version 3.1.3 How can I do this iphone version.. headingAvailable Do something Apple uses systemVersion in their GLSprite sample code so my recommendation can't be absolute A system version of 3.1 or greater is required to use CADisplayLink. The NSTimer class is used as fallback when it isn't available. NSString reqSysVer @ 3.1 NSString currSysVer UIDevice currentDevice..
UITextView with Syntax Highlighting [duplicate] http://stackoverflow.com/questions/3642540/uitextview-with-syntax-highlighting syntax highlighting and detection for Objective C on the iPhone . Some of my Ideas of how to do this NSAttributedString . Now available in iOS 3.2 and greater. But how would I put a NSAttributedString into a UITextView UIWebView . Overlay it when the user finished editing and color the text with CSS stylesheets. But how..
canonical way to randomize an NSArray in Objective C http://stackoverflow.com/questions/791232/canonical-way-to-randomize-an-nsarray-in-objective-c modulo n introduce a bias towards smaller numbers in the range. static NSUInteger random_below NSUInteger n NSUInteger m 1 Compute smallest power of two greater than n. There's probably a faster solution than this loop but bit twiddling isn't my specialty. do m 1 while m n NSUInteger ret do ret random m while ret n return..
iOS Launching Settings -> Restrictions URL Scheme http://stackoverflow.com/questions/8246070/ios-launching-settings-restrictions-url-scheme not very obvious . Thanks iphone ios settings url scheme share improve this question WARNING This method will not work for devices running iOS 5.1 and greater See Hlung's comment below. It's possible that the path component has a different name than the actual section but it's also possible that you can't currently access..
How can I get a precise time, for example in milliseconds in Objective-C? http://stackoverflow.com/questions/889380/how-can-i-get-a-precise-time-for-example-in-milliseconds-in-objective-c methods will return a NSTimeInterval which is a double with sub millisecond accuracy. NSTimeInterval is in seconds but it uses the double to give you greater precision. In order to calculate millisecond time accuracy you can do Get a current time for where you want to start measuring from NSDate date NSDate date do work.....
Check if the time and date is between a particular date and time http://stackoverflow.com/questions/10671468/check-if-the-time-and-date-is-between-a-particular-date-and-time the time to the start time which is 11.00am . the answer is 1 hour . b. If the time is 11.45AM since the time is greater than the start time which was 11.00am i need to calculate the time remaining to the end time which is 11.00pm . c. If the.. i need to calculate the time remaining to the end time which is 11.00pm . c. If the time is 11.45pm since the time is greater than the end time which is 11.00pm i need to print a NSLog saying that 'Time Exceeded'. iphone objective c ios nsdate nsdateformatter..
How can I upload a photo to a server with the iPhone? http://stackoverflow.com/questions/125306/how-can-i-upload-a-photo-to-a-server-with-the-iphone NSData compress NSData data IN if data data length 0 return nil zlib compress doc says destSize must be 1 12 bytes greater than source. uLong destSize data length 1.001 12 NSMutableData destData NSMutableData dataWithLength destSize int error..
http://stackoverflow.com/questions/1349740/arguments-in-selector
Resize UIImage with aspect ratio? http://stackoverflow.com/questions/1703100/resize-uiimage-with-aspect-ratio float vfactor value.bounds.size.height screenRect.size.height float factor fmax hfactor vfactor Divide the size by the greater of the vertical or horizontal shrinkage factor float newWidth value.bounds.size.width factor float newHeight value.bounds.size.height.. topOffset newWidth newHeight If you don't want to enlarge images smaller than the screenRect make sure factor is greater than or equal to one e.g. factor fmax factor 1 . To get the black background you would probably just want to set the context..
Finding the direction of scrolling in a UIScrollView? http://stackoverflow.com/questions/2543670/finding-the-direction-of-scrolling-in-a-uiscrollview a variable named lastContentOffset which I use to compare the current content offset with the previous one. If it's greater then the scrollView is scrolling right. If it's less then the scrollView is scrolling left somewhere in the header @property..
http://stackoverflow.com/questions/2978977/what-is-delegate-in-iphone reacts to some event in another object and or can affect how another object behaves. The objects work together for the greater good of completing a task. Typically a delegate object will be shared by many other objects that have a more specific task..
http://stackoverflow.com/questions/3339722/check-iphone-ios-version iPhone iOS Version I want to check if the iOS version of the device is greater then the 3.1.3 I tried things like UIDevice currentDevice .systemVersion floatValue but does not work I just want a if version.. uses systemVersion in their GLSprite sample code so my recommendation can't be absolute A system version of 3.1 or greater is required to use CADisplayLink. The NSTimer class is used as fallback when it isn't available. NSString reqSysVer @ 3.1..
UITextView with Syntax Highlighting [duplicate] http://stackoverflow.com/questions/3642540/uitextview-with-syntax-highlighting for Objective C on the iPhone . Some of my Ideas of how to do this NSAttributedString . Now available in iOS 3.2 and greater. But how would I put a NSAttributedString into a UITextView UIWebView . Overlay it when the user finished editing and color..
How many times do I release an allocated or retained object? http://stackoverflow.com/questions/3730804/how-many-times-do-i-release-an-allocated-or-retained-object I end up releasing objects when they have not been allocated yet. So I figured I need to check if its retainCount is greater than zero or not before I release it. My question is Do I just check if the retainCount is greater than zero and then release.. its retainCount is greater than zero or not before I release it. My question is Do I just check if the retainCount is greater than zero and then release it if bg retainCount 0 bg release or Should I release it as many times as its retainCount while..
Getting displacement from accelerometer data with Core Motion http://stackoverflow.com/questions/4449565/getting-displacement-from-accelerometer-data-with-core-motion the device remains fixed no native speaker I mean without moving in your hands. The most troubling one is a velocity greater than 0 without any acceleration. This is an unavoidable result of error propagation and can be handled by slowing down artificially..
http://stackoverflow.com/questions/5237941/ios-take-picture
Difference between protocol and delegates? http://stackoverflow.com/questions/5431413/difference-between-protocol-and-delegates has said that it will implement the UITextFieldDelegate protocol. Ultimately this all leads to much greater flexibility and adaptability in your project's code which I'm sure you'll soon realise after using this technology share..
NSString retainCount is 2147483647 [duplicate] http://stackoverflow.com/questions/5483357/nsstring-retaincount-is-2147483647 Objective C NSString property retain count oddity When to use retainCount Why does this code show the retain value greater than 1 And why is it 2147483647 NSString data22 NSString alloc initWithString @ fsdfsfsdf int a data22 retainCount NSLog..
Calculate new coordinate x meters and y degree away from one coordinate http://stackoverflow.com/questions/6633850/calculate-new-coordinate-x-meters-and-y-degree-away-from-one-coordinate toLonRadians return result In the JS code it contains this link which shows a more accurate calculation for distances greater than 1 4 of the Earth's circumference. Also note the above code accepts distance in km so be sure to divide meters by 1000.0..
canonical way to randomize an NSArray in Objective C http://stackoverflow.com/questions/791232/canonical-way-to-randomize-an-nsarray-in-objective-c smaller numbers in the range. static NSUInteger random_below NSUInteger n NSUInteger m 1 Compute smallest power of two greater than n. There's probably a faster solution than this loop but bit twiddling isn't my specialty. do m 1 while m n NSUInteger..
iOS Launching Settings -> Restrictions URL Scheme http://stackoverflow.com/questions/8246070/ios-launching-settings-restrictions-url-scheme settings url scheme share improve this question WARNING This method will not work for devices running iOS 5.1 and greater See Hlung's comment below. It's possible that the path component has a different name than the actual section but it's also..
How can I get a precise time, for example in milliseconds in Objective-C? http://stackoverflow.com/questions/889380/how-can-i-get-a-precise-time-for-example-in-milliseconds-in-objective-c which is a double with sub millisecond accuracy. NSTimeInterval is in seconds but it uses the double to give you greater precision. In order to calculate millisecond time accuracy you can do Get a current time for where you want to start measuring..
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