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2014/10/15 ¤U¤È 10:12:48

iphone Programming Glossary: pointers

Reading ePub format

http://stackoverflow.com/questions/1388467/reading-epub-format

EPUB to unzip it somewhere to parse the manifest and then to display the relevant content. Some pointers if you're just starting out parse xml unzip To display content just use a UIWebView for now. Here's..

Adding C++ Object to Objective-C Class

http://stackoverflow.com/questions/2262011/adding-c-object-to-objective-c-class

iphone c objective c objective c share improve this question You should use opaque pointers and only include C headers in the file that implements your Objective C class. That way you don't force..

How do I apply a perspective transform to a UIView?

http://stackoverflow.com/questions/347721/how-do-i-apply-a-perspective-transform-to-a-uiview

podcasts but I'm still no clearer on how to create this kind of transform on an iPhone. Any help pointers or example code snippets would be really appreciated iphone ios cocoa touch core animation share..

iPhone Unzip code

http://stackoverflow.com/questions/412982/iphone-unzip-code

It unzips the file but its corrupt. Would be really grateful is someone has an example or any pointers. Thanking you Tony void loadView NSString DOCUMENTS_FOLDER NSHomeDirectory stringByAppendingPathComponent..

performSelector may cause a leak because its selector is unknown

http://stackoverflow.com/questions/7017281/performselector-may-cause-a-leak-because-its-selector-is-unknown

C runtime methods so you could do this directly with the runtime API as well . These function pointers are called IMP s and are simple typedef ed function pointers id IMP id SEL ... 1 . This may be close.. runtime API as well . These function pointers are called IMP s and are simple typedef ed function pointers id IMP id SEL ... 1 . This may be close to the actual method signature of the method but will not always..

To ARC or not to ARC? What are the pros and cons?

http://stackoverflow.com/questions/8760431/to-arc-or-not-to-arc-what-are-the-pros-and-cons

iPhoneOS 3 or Mac OS X 10.5 or earlier. This precludes me from using ARC in many projects. __weak pointers do not work correctly on iOS 4 or Mac OS X 10.6 which is a shame but fairly easy to work around. __weak.. work correctly on iOS 4 or Mac OS X 10.6 which is a shame but fairly easy to work around. __weak pointers are great but they're not the #1 selling point of ARC. For 95 of code out there ARC is brilliant and.. for mixed ARC MRC code. And you need to know the rules when you start messing around with void pointers to id which you continue to need to perform KVO correctly . And blocks... well block memory management..

how to create iphone's wobbling icon effect?

http://stackoverflow.com/questions/929364/how-to-create-iphones-wobbling-icon-effect

forKey keypath Or there could be a totally simpler solution that I'm just missing. Appreciate any pointers. Thanks iphone ios animation rotation share improve this question Simple way to do it #define RADIANS..

Reading ePub format

http://stackoverflow.com/questions/1388467/reading-epub-format

or complex. You'll need to work out how to download the EPUB to unzip it somewhere to parse the manifest and then to display the relevant content. Some pointers if you're just starting out parse xml unzip To display content just use a UIWebView for now. Here's a high level step by step for your code 1 create a view with..

Adding C++ Object to Objective-C Class

http://stackoverflow.com/questions/2262011/adding-c-object-to-objective-c-class

void drawView UIView theView myCppFile cppobject cppobject.draw iphone c objective c objective c share improve this question You should use opaque pointers and only include C headers in the file that implements your Objective C class. That way you don't force other files that include the header to use Objective C header..

How do I apply a perspective transform to a UIView?

http://stackoverflow.com/questions/347721/how-do-i-apply-a-perspective-transform-to-a-uiview

have run through all the pragmatic programmer Core Animation podcasts but I'm still no clearer on how to create this kind of transform on an iPhone. Any help pointers or example code snippets would be really appreciated iphone ios cocoa touch core animation share improve this question As Ben said you'll need to work with..

iPhone Unzip code

http://stackoverflow.com/questions/412982/iphone-unzip-code

sample code that Im using to try and unzip a simple text file. It unzips the file but its corrupt. Would be really grateful is someone has an example or any pointers. Thanking you Tony void loadView NSString DOCUMENTS_FOLDER NSHomeDirectory stringByAppendingPathComponent @ Documents NSString path DOCUMENTS_FOLDER stringByAppendingPathComponent..

performSelector may cause a leak because its selector is unknown

http://stackoverflow.com/questions/7017281/performselector-may-cause-a-leak-because-its-selector-is-unknown

and it works through some lower level Objective C runtime methods so you could do this directly with the runtime API as well . These function pointers are called IMP s and are simple typedef ed function pointers id IMP id SEL ... 1 . This may be close to the actual method signature of the method but will not always.. C runtime methods so you could do this directly with the runtime API as well . These function pointers are called IMP s and are simple typedef ed function pointers id IMP id SEL ... 1 . This may be close to the actual method signature of the method but will not always match exactly. Once you have the IMP you need to cast it..

To ARC or not to ARC? What are the pros and cons?

http://stackoverflow.com/questions/8760431/to-arc-or-not-to-arc-what-are-the-pros-and-cons

to minimize your use of ObjC . ARC will not work at all on iPhoneOS 3 or Mac OS X 10.5 or earlier. This precludes me from using ARC in many projects. __weak pointers do not work correctly on iOS 4 or Mac OS X 10.6 which is a shame but fairly easy to work around. __weak pointers are great but they're not the #1 selling point.. me from using ARC in many projects. __weak pointers do not work correctly on iOS 4 or Mac OS X 10.6 which is a shame but fairly easy to work around. __weak pointers are great but they're not the #1 selling point of ARC. For 95 of code out there ARC is brilliant and there is no reason at all to avoid it provided you can handle.. to deal with CF at some point. And you need to know the rules for mixed ARC MRC code. And you need to know the rules when you start messing around with void pointers to id which you continue to need to perform KVO correctly . And blocks... well block memory management is just weird. So my point is that the underlying memory..

how to create iphone's wobbling icon effect?

http://stackoverflow.com/questions/929364/how-to-create-iphones-wobbling-icon-effect

middle final nil imageView.layer addAnimation animation forKey keypath Or there could be a totally simpler solution that I'm just missing. Appreciate any pointers. Thanks iphone ios animation rotation share improve this question Simple way to do it #define RADIANS degrees degrees M_PI 180.0 CGAffineTransform leftWobble..

What do I have to do to get Core Data to automatically migrate models?

http://stackoverflow.com/questions/1018155/what-do-i-have-to-do-to-get-core-data-to-automatically-migrate-models

only added attributes or relationships and similar simple changes then the model should be upgraded automatically. Any pointers do I need to set something in xCode iphone objective c core data share improve this question I've now found out that..

iphone sdk > 3.0 . Video Thumbnail?

http://stackoverflow.com/questions/1259316/iphone-sdk-3-0-video-thumbnail

to grab a frame out of the movie but wouldnt hava a clue as to how to compile it as a library for the iphone. Any pointers would be greatly appreciated iphone share improve this question There is a jpg in the same folder as the the movie..

how to remove subviews from scrollview?

http://stackoverflow.com/questions/1310723/how-to-remove-subviews-from-scrollview

them removeFromSuperview messages later in the same manner Retain all your views where you create them and hold on to pointers to those views so you can send them removeFromSuperview individually as necessary Add an if statement to the above loop..

Reading ePub format

http://stackoverflow.com/questions/1388467/reading-epub-format

how to download the EPUB to unzip it somewhere to parse the manifest and then to display the relevant content. Some pointers if you're just starting out parse xml unzip To display content just use a UIWebView for now. Here's a high level step by..

Adding C++ Object to Objective-C Class

http://stackoverflow.com/questions/2262011/adding-c-object-to-objective-c-class

cppobject cppobject.draw iphone c objective c objective c share improve this question You should use opaque pointers and only include C headers in the file that implements your Objective C class. That way you don't force other files that..

UIImage resize (Scale proportion) [duplicate]

http://stackoverflow.com/questions/2645768/uiimage-resize-scale-proportion

resizing the image perfectly but the problem is that it messes up the aspect ratio resulting in a skewed image . Any pointers Change image resolution auto resize to fit UIImage scaleImage UIImage image toResolution int resolution CGImageRef imgRef..

Add UIView Above All Other Views, Including StatusBar

http://stackoverflow.com/questions/2666792/add-uiview-above-all-other-views-including-statusbar

I can't seem to kill the default bouncy transition of the UIAlertView when you call it to show . Does anyone have any pointers towards the best way tackle this problem that gives me full control Oh and I know blocking input is not great but I do ensure..

How do I apply a perspective transform to a UIView?

http://stackoverflow.com/questions/347721/how-do-i-apply-a-perspective-transform-to-a-uiview

Core Animation podcasts but I'm still no clearer on how to create this kind of transform on an iPhone. Any help pointers or example code snippets would be really appreciated iphone ios cocoa touch core animation share improve this question..

What does this ^ syntax mean in Objective-C?

http://stackoverflow.com/questions/3499186/what-does-this-syntax-mean-in-objective-c

to define self contained units of work. Blocks are similar to but far more powerful than traditional function pointers. The key differences are Blocks can be defined inline as œanonymous functions. Blocks capture read only copies of local variables..

PDF search on the iPhone

http://stackoverflow.com/questions/4097044/pdf-search-on-the-iphone

Same situation as before this question has been asked many times with almost no practical answers. So I need some pointers first as I still haven't implemented this myself. What I tried I tried using CGPDFScannerScan handling the TJ and Tj operators..

iPhone Unzip code

http://stackoverflow.com/questions/412982/iphone-unzip-code

a simple text file. It unzips the file but its corrupt. Would be really grateful is someone has an example or any pointers. Thanking you Tony void loadView NSString DOCUMENTS_FOLDER NSHomeDirectory stringByAppendingPathComponent @ Documents NSString..

What are the Dangers of Method Swizzling in Objective C?

http://stackoverflow.com/questions/5339276/what-are-the-dangers-of-method-swizzling-in-objective-c

IMP MySetFrame store IMP SetFrameIMP @end While this looks a little less like Objective C since it's using function pointers it avoids any naming conflicts. In principle it's doing the exact same thing as standard swizzling. This may be a bit of..

iphone+Difference between nil,NIL and null

http://stackoverflow.com/questions/5908936/iphonedifference-between-nil-nil-and-null

One example is Class someClass Nil Class anotherClass NSString class NULL is the literal null value for arbitrary C pointers. For instance int pointerToInt NULL char pointerToChar NULL struct TreeNode rootNode NULL NSNull is a class for objects..

performSelector may cause a leak because its selector is unknown

http://stackoverflow.com/questions/7017281/performselector-may-cause-a-leak-because-its-selector-is-unknown

lower level Objective C runtime methods so you could do this directly with the runtime API as well . These function pointers are called IMP s and are simple typedef ed function pointers id IMP id SEL ... 1 . This may be close to the actual method.. directly with the runtime API as well . These function pointers are called IMP s and are simple typedef ed function pointers id IMP id SEL ... 1 . This may be close to the actual method signature of the method but will not always match exactly...

Localize Currency for iPhone

http://stackoverflow.com/questions/856019/localize-currency-for-iphone

since the time when the item was created Sorry I have little localization experience so hoping for a couple quick pointers before diving in. Lastly any insight on how to you handle this kind of input given the limitations of the iPhone's keyboards..

To ARC or not to ARC? What are the pros and cons?

http://stackoverflow.com/questions/8760431/to-arc-or-not-to-arc-what-are-the-pros-and-cons

not work at all on iPhoneOS 3 or Mac OS X 10.5 or earlier. This precludes me from using ARC in many projects. __weak pointers do not work correctly on iOS 4 or Mac OS X 10.6 which is a shame but fairly easy to work around. __weak pointers are great.. pointers do not work correctly on iOS 4 or Mac OS X 10.6 which is a shame but fairly easy to work around. __weak pointers are great but they're not the #1 selling point of ARC. For 95 of code out there ARC is brilliant and there is no reason.. need to know the rules for mixed ARC MRC code. And you need to know the rules when you start messing around with void pointers to id which you continue to need to perform KVO correctly . And blocks... well block memory management is just weird. So..

how to create iphone's wobbling icon effect?

http://stackoverflow.com/questions/929364/how-to-create-iphones-wobbling-icon-effect

animation forKey keypath Or there could be a totally simpler solution that I'm just missing. Appreciate any pointers. Thanks iphone ios animation rotation share improve this question Simple way to do it #define RADIANS degrees degrees..