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2014/10/15 ¤U¤È 10:14:36

iphone Programming Glossary: structs

object_setInstanceVariable with CGPoint

http://stackoverflow.com/questions/12265083/object-setinstancevariable-with-cgpoint

It is work fine for reference types object_setInstanceVariable obj _variable ref But do not work for structs such as CGPoint. Tried following ways 1. object_setInstanceVariable obj _variable point 2. object_setInstanceVariable obj..

How to simulate multi-touch with GSEvent on jailbroken device?

http://stackoverflow.com/questions/17907811/how-to-simulate-multi-touch-with-gsevent-on-jailbroken-device

I want to simulate multi touch event on jailbroken device I tried the GSEvent I couldn't known each field of the structs so I just assumed each pathInfo meant one finger info but no effect could anyone give me some help Thank you very much...

Creating NSDecimal

http://stackoverflow.com/questions/2035421/creating-nsdecimal

short _mantissa NSDecimalMaxSize NSDecimal but I don't know that I would go around trying to reverse engineer how the structs hold values. The underscores on the fields in the struct indicate that these are private and subject to change. I don't..

If you could buy two books on iOS development, which ones would you choose? [closed]

http://stackoverflow.com/questions/3196419/if-you-could-buy-two-books-on-ios-development-which-ones-would-you-choose

me. Thanks for your time. iphone objective c ios cocoa touch ipad share improve this question Kochan C primitives structs etc. Objective C Foundation framework Compiler pre processor macros directives BNR iPhone Programming Guide Shares material..

How to store custom objects with struct in Coredata

http://stackoverflow.com/questions/3492449/how-to-store-custom-objects-with-struct-in-coredata

with struct in Coredata I have to store a custom class object to Coredata. The problem is my custom class contains structs enum etc.I tried following method. void encodeWithCoder NSCoder encoder . But am getting this error NSKeyedArchiver encodeValueOfObjCType.. NSCoder encoder . But am getting this error NSKeyedArchiver encodeValueOfObjCType at this archiver cannot encode structs' What is the best practice to store this object to Coredata. Please help me. iphone objective c core data share improve..

Creating Linked Lists in Objective C

http://stackoverflow.com/questions/4262223/creating-linked-lists-in-objective-c

float longitude event typedef struct event thing Node next Node This is the code I have in my .h file to create two structs to hold data one for an events name place location and one for the nodes of a linked list. I can use the event struct in..

What's the best way to put a c-struct in an NSArray?

http://stackoverflow.com/questions/4516991/whats-the-best-way-to-put-a-c-struct-in-an-nsarray

and how do you handle memory in that idiom Please note that I am specifically looking for the usual idiom to store structs. Of course one could avoid the issue by making a new little class. However I want to know how the usual idiom for actually.. could avoid the issue by making a new little class. However I want to know how the usual idiom for actually putting structs in an array thanks. BTW here's the NSData approach which is perhaps not best... Megapoint p NSArray a NSArray arrayWithObjects..

Game Center - Sending and receiving data

http://stackoverflow.com/questions/4574119/game-center-sending-and-receiving-data

you want encapsulated in an NSData object since it's just a byte bucket. You can send primitive types like ints or structs as in the example or even NSObjects as long as they implement NSCoding . You should read up on NSKeyedArchiver NSCoding..

iPhone MKMapView - MKPolygon Issues

http://stackoverflow.com/questions/5474299/iphone-mkmapview-mkpolygon-issues

mkmapview share improve this question The polygonWithCoordinates method wants a C array of CLLocationCoordinate2D structs. You can use malloc to allocate memory for the array and free to release the memory . Loop through your NSArray and set..

How to gain assignment access to CGRect elements when the CGRect is an instance variable

http://stackoverflow.com/questions/5860755/how-to-gain-assignment-access-to-cgrect-elements-when-the-cgrect-is-an-instance

... but that didn't work either. EDIT TO CLARIFY This is about creating a class that has some ivars that happen to be structs. Then after instantiating the class somewhere else you want to be able to make assignments to the struct ivar elements directly..

ARC forbids Objective-C objects in structs or unions despite marking the file -fno-objc-arc

http://stackoverflow.com/questions/8093099/arc-forbids-objective-c-objects-in-structs-or-unions-despite-marking-the-file-f

forbids Objective C objects in structs or unions despite marking the file fno objc arc ARC forbids Objective C objects in structs or unions despite marking the.. Objective C objects in structs or unions despite marking the file fno objc arc ARC forbids Objective C objects in structs or unions despite marking the file fno objc arc Why is this so I had the assumption that if you mark it fno objc arc you..