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Objective-C Automatic Reference Counting (ARC)¶ About this document¶ Purpose¶ The first and primary purpose of this document is to serve as a complete technical specification of Automatic Reference Counting. Given a core Objective-C compiler and runtime, it should be possible to write a compiler and runtime which implements these new semantics. The secondary purpose is to act as a rationale for wh
There's lots of ways you can do this depending on the behavior you want. You can send a bunch of asynchronous requests at once, track the number of requests that have been completed, and do something once they're all done: NSInteger outstandingRequests = [requestsArray count]; for (NSURLRequest *request in requestsArray) { [NSURLConnection sendAsynchronousRequest:request queue:[NSOperationQueue ma
I'm trying to a NSString constant in my .h file to be defined in my .m. I understand that extern NSString * const variableName; in the .h and NSString * const variableName = @"variableValue"; is the way to do this. Examining C tutorials I see that const is supposed to go before variable definitions. My question is why is it not declared as extern const NSString * variableName; in the .h and const
Objective-C has no namespaces; it's much like C, everything is within one global namespace. Common practice is to prefix classes with initials, e.g. if you are working at IBM, you could prefix them with "IBM"; if you work for Microsoft, you could use "MS"; and so on. Sometimes the initials refer to the project, e.g. Adium prefixes classes with "AI" (as there is no company behind it of that you cou
まずは公式のObjectiveCのメモリ管理を読むべきである。(読まないと始まらない) http://developer.apple.com/jp/documentation/cocoa/Conceptual/ObjectiveC/4objc_runtime_overview/chapter_8_section_2.html そして、この辺が具体的なサンプルコードもあってよくまとまってる http://wwwa.dcns.ne.jp/~nito/CocoaClub/article01.html http://wwwa.dcns.ne.jp/~nito/CocoaClub/article02.html http://wwwa.dcns.ne.jp/~nito/CocoaClub/article03.html http://wwwa.dcns.ne.jp/~nito/CocoaClub/art
For me first blog post on iDevBlogADay, I thought I’d talk about a part of iOS development that rarely gets mentioned on blogs, Tweak development (or mobilesubstrate development). To start you’ll need: A Jailbroken iOS deviceOSX 10.6+ (or iOS 3.x+)TheosA good knowledge of Objective-C Getting Theos You can get Theos from DHowett’s official Github profile, although rpetrich has a fork which includes
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