2014/10/15 下午 10:06:48

iphone Programming Glossary: directive

http://stackoverflow.com/questions/1041193/turning-on-debug-macro-value

Defined setting with a value of 1. Debug is selected in the Configuration dropdown. This still doesn't turn on the directive for the Debug build although I thought that's what it would do. What else do I need to do during the build stage to allow..

Declaration/definition of variables locations in ObjectiveC?

http://stackoverflow.com/questions/12632285/declaration-definition-of-variables-locations-in-objectivec

and defining variables. On one hand we have the traditional C approach on the other we have the new ObjectiveC directives that add OO on top of that. Could you folks helps me understand the best practice and situations where I'd want to use.. missing My take from working with iOS is that ivars have been alost completely phased out outside of the @synthesize directive and thus can be mostly ignored. Is that the case Regarding 5 why would I ever want to declare methods in private interfaces..

Common multithreading mistakes beginners make on iPhone

http://stackoverflow.com/questions/1357108/common-multithreading-mistakes-beginners-make-on-iphone

source of crashes with multithreaded Cocoa applications is simultaneous access to a shared resource. The @synchronized directive is not the fastest as pointed out by Colin Wheeler so you might want to use NSLock to protect access to your shared resources...

Monotouch or Titanium for rapid application development on IPhone?

http://stackoverflow.com/questions/1488402/monotouch-or-titanium-for-rapid-application-development-on-iphone

that you declare a local variable to back the property write the property declaration and then use the synthesize directive to have the property generated for you depending on what property attributes you specify you might have a property that..

MPMoviePlayerController & .m3u8 playlist

http://stackoverflow.com/questions/1665151/mpmovieplayercontroller-m3u8-playlist

lists other files that are to be downloaded and played in order. If the .m3u8 file doesn't contain an #EXT X ENDLIST directive then the client assumes the source is a live stream and periodically re fetches the .m3u8 to find new media files to download...

Conditional Compilation in assembler (.s) code for iPhone - how?

http://stackoverflow.com/questions/1709850/conditional-compilation-in-assembler-s-code-for-iphone-how

file conditionally with what i know #if TARGET_IPHONE_SIMULATOR But the assembler doesn't recognize these preprocessor directives of course and none of the conditional compilation techniques for assembler that i could remember or find worked so i'm.. proper #import in the assembler file. I did not think of adding it because Xcode syntax highlighted any preprocessor directive in green comment which made me assume that these commands are not recognized when in fact they work just fine. This works..

how to set the html +css add in the iphone

http://stackoverflow.com/questions/17292492/how-to-set-the-html-css-add-in-the-iphone

stringWithContentsOfFile fullPath encoding NSUTF8StringEncoding error nil add a generic template and the css file directive NSString htmlString @ doctype html xmlns fb @ http ogp.me ns fb# head meta charset utf 8 meta http equiv X UA Compatible..

@property and retain, assign, copy, nonatomic in Objective-C

http://stackoverflow.com/questions/2255861/property-and-retain-assign-copy-nonatomic-in-objective-c

C can someone give me an overview of the retain assign copy and any others I'm missing that follow the @property directive What are they doing and why would I want to use one over another iphone objective c memory management share improve this..

Why do you use an underscore for an instance variable, but not its corresponding property? [duplicate]

http://stackoverflow.com/questions/2371489/why-do-you-use-an-underscore-for-an-instance-variable-but-not-its-corresponding

explain me.Thanks. iphone objective c cocoa cocoa touch share improve this question Reminder The @property directive is equivalent to declaring both a setter and a getter. In the case of level @property CGFloat level can be replaced by CGFloat..

when and where to put @class declarations

http://stackoverflow.com/questions/3258892/when-and-where-to-put-class-declarations

that I move around on a UINavigationController . My question is about where and when to use the @class compiler directive. If I subclass a UIViewController by making a new file and subclassing it should I use the @class MyViewController in the..

How to make iAds work on a 3.0 + iPhone-iPad app?

http://stackoverflow.com/questions/3587471/how-to-make-iads-work-on-a-3-0-iphone-ipad-app

you try to import the headers like your question suggests you could try wrapping the imports that fail in a #ifdef directive that tests for the availability macros from Availability.h something like #ifdef __IPHONE_4_0 iOS 4 specific imports here..

iPhone different between self and normal variable

http://stackoverflow.com/questions/536388/iphone-different-between-self-and-normal-variable

obj when i use @propery @synthesize for it iphone objective c cocoa share improve this question The @synthesize directive tells the compiler to generate accessors for your member variables according to the specifications given in the @property.. the compiler to generate accessors for your member variables according to the specifications given in the @property directive in your .h file. I.e. if you specify retain the setter will retain the variable and if you specify copy it will copy it...

iphone - try, catch question

http://stackoverflow.com/questions/6477416/iphone-try-catch-question

exception. If one of these parts fail I would like the cleaning method to run. I am thinking about using the try catch directive. My question is will I have to use one directive for every line of code that can throw an exception or can I simply include.. the cleaning method to run. I am thinking about using the try catch directive. My question is will I have to use one directive for every line of code that can throw an exception or can I simply include the whole method in a block like this @try self..

When do I need to have both iVar and a property?

http://stackoverflow.com/questions/7991863/when-do-i-need-to-have-both-ivar-and-a-property

you want the precompiler to generate the above methods for you and don't explicitly specify an iVar on the @synthesize directive then the methods described above will automatically be generated due to the synthesize method to set or get the value to.. of the same name as the property and the implementation will include retain release logic depending on the property directive. If you don't @synthesize the property then you provide your own implementation and it can be anything you want. It is also.. your own implementation and it can be anything you want. It is also possible to @synthesize the property but include a directive to use a different iVar in the method definition @synthesize progressBar someOtheriVar in which case you will not see an..

Is “assign” the default setup of the @property compiler directive?

http://stackoverflow.com/questions/805972/is-assign-the-default-setup-of-the-property-compiler-directive

&ldquo assign&rdquo the default setup of the @property compiler directive If I define an property and just do @property nonatomic UIButton button then I think that it's an assign property. Is that..

iPhone assembly, compilation error with LDR parameters

http://stackoverflow.com/questions/9735169/iphone-assembly-compilation-error-with-ldr-parameters

are the above where you explicitly place the values and not rely on the assembler or you put a .pool or other similar directive in a branch shadow or some other place that you wont execute through to encourage the assembler to use it to place these..