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2014/10/15 ¤U¤È 10:05:34
iphone Programming Glossary: copyingHow to add a UIImage in MailComposer Sheet of MFMailComposeViewController http://stackoverflow.com/questions/1527351/how-to-add-a-uiimage-in-mailcomposer-sheet-of-mfmailcomposeviewcontroller C though but the simplest ObjC one I found was called NSData Base64 by Matt Gallagher I took the out of the name after copying it in because it gave me problems . Copy the .h and .m files into your project and be sure to #import the .h file where..
insertNewObjectForEntityForName: http://stackoverflow.com/questions/1780929/insertnewobjectforentityforname NSManagedObjectContext alloc init managedObjectContext setPersistentStoreCoordinator coordinator I'm just copying lines out of the AppDelegate of the Core Data template what you get if you make a new application that uses Core Data ...
Portability of Core Data's SQLite file between OS X and iPhone OS http://stackoverflow.com/questions/2248363/portability-of-core-datas-sqlite-file-between-os-x-and-iphone-os App Store. In my perfect world building an application to edit the data in the updates with an OS X application and copying the sqlite database to my iPhone app bundle would be a relatively pain free way to do this. Is it possible to move sqlite..
Split NSData objects into other NSData objects with a given size http://stackoverflow.com/questions/2899020/split-nsdata-objects-into-other-nsdata-objects-with-a-given-size iphone split nsdata share improve this question The following piece of code does the fragmentation without copying the data NSData myBlob NSUInteger length myBlob length NSUInteger chunkSize 100 1024 NSUInteger offset 0 do NSUInteger thisChunkSize..
Managing multiple asynchronous NSURLConnection connections http://stackoverflow.com/questions/332276/managing-multiple-asynchronous-nsurlconnection-connections only retains its keys the NSURLConnection whereas NSDictionary copies its keys and NSURLConnection doesn't support copying . Once that's done CFDictionaryAddValue connectionToInfoMapping connection NSMutableDictionary dictionaryWithObject NSMutableData..
Missing AVFoundation.framework http://stackoverflow.com/questions/385530/missing-avfoundation-framework Library Frameworks folder but if I add it from that location then the compiler can't find the header files. I tried copying the entire AVFoundation.framework folder to System Library Framework but it still can't find the header files. How can I..
http://stackoverflow.com/questions/4089238/implementing-nscopying on implementing NSCopying protocol on Vendor I can't find any tutorials on this anywhere. iphone ios objective c nscopying share improve this question To implement NSCopying your object must respond to the copyWithZone selector. Here ™s how.. class which works well for subclassing. Then for any instance variables that are a subclass of NSObject that supports copying you can call thatObject copyWithZone zone for the new object. For primitive types int char BOOL and friends just set the..
Send and receive NSData via GameKit http://stackoverflow.com/questions/4837102/send-and-receive-nsdata-via-gamekit file from these packets can be done using much the same approach as splitting it up... Iterate over the packets copying from the individual packet payload NSDatas into a big NSMutableData. In closing I feel compelled to say that when you find..
NSMutableString as retain/copy http://stackoverflow.com/questions/4995254/nsmutablestring-as-retain-copy nonatomic retain NSMutableString str1 I read somewhere that it is better to use copy for strings. Is that true yes copying NSString not talking about NSMutableString quite yet should be the default. the reason as stated by other posters is that.. external code to support that. depending on how the interface is used this can also introduce a lot of unnecessary copying. boo. ok now we're pretty convinced our 'improvement' is still a bad idea in most cases how can we improve the design you..
What's the best approach to draw lines between views? http://stackoverflow.com/questions/5847876/whats-the-best-approach-to-draw-lines-between-views GPU. The expensive part of the above steps are the first three points. They lead to repeated memory allocation memory copying and CPU GPU communication. On the other hand what you really want to do is lightweight Draw a line probably animating start..
NSString @property, using copy instead of retain http://stackoverflow.com/questions/587414/nsstring-property-using-copy-instead-of-retain is ok since sending a message to a nil object is explicitly allowed and does nothing. The choice of retaining versus copying just determines whether or not the object's property shares the same value with what you're setting it to. Consider the..
http://stackoverflow.com/questions/6593118/how-to-reverse-an-audio-file this. Link to app code. As each sample is 16 bits in size 2 bytes mono channel . You can load each sample at a time by copying it into a different buffer by starting at the end of the recording and reading backwards. When you get to the start of the..
EXC_BAD_ACCESS when copying or retaining Block http://stackoverflow.com/questions/7111541/exc-bad-access-when-copying-or-retaining-block when copying or retaining Block As far as I understand a Block acts like an object in that you can send copy or release messages to.. If I use the block functions everything works as expected e.g. Block_copy myBlock I thought both ways of releasing and copying blocks were identical It's not that much of a problem but it is a little annoying that if I have a property copy which is..
iCloud basics and code sample [closed] http://stackoverflow.com/questions/7795629/icloud-basics-and-code-sample to a file or directory in iCloud must be made using a file coordinator object. These changes include moving deleting copying or renaming the item. The file coordinator ensures that the iCloud daemon does not change the file or directory at the same..
Error in Xcode getting debugging info from 5.0.1 iphone http://stackoverflow.com/questions/8114467/error-in-xcode-getting-debugging-info-from-5-0-1-iphone a strange issue with latest XCode 4.2 when trying to deploy my app to an iphone that just upgraded to 5.0.1. It starts copying the debug info and the progress moves until the end although it does not move beyond 'copying file 2 of 9'. After it's done.. to 5.0.1. It starts copying the debug info and the progress moves until the end although it does not move beyond 'copying file 2 of 9'. After it's done I get the message Xcode has encountered an unexpected error 0xC002 No such file or directory.. iphone xcode share improve this question I have found a potential fix. I tracked the issue down to some files not copying into the ~ Library Developer XCode iOS DeviceSupport 5.0.1 9A405 folder. I borrowed a friend's iPad with the 5.0.1 update..
iphone error: expected '=', ',', ';', 'asm' or '__attribute__' before ' 'foo' http://stackoverflow.com/questions/990906/iphone-error-expected-asm-or-attribute-before-foo get more errors Any suggestions on how to debug this TIA EDIT I still can't seem to figure it out. I'm literally just copying files from the example into another project. Can someone check it out please SpeakHerePort.zip and the original is here..
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