core-foundation

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Need to retain a CFSocketRef?

I am facing a problem: I have two view controllers, viewController1, and viewController2. Here is the method I\'m concerned about in viewController1:[详细]

2023-03-06 02:19 分类：问答
Mutable copy of a CoreFundation Reference type

In 开发者_如何学运维xcode4/Objective C, on Leopard: I have a CGDisplayModeRef which is as I understand it an Immutable Dictionary Reference.[详细]

2023-03-02 05:13 分类：问答
AVAssetWriterInputPixelBufferAdaptor returns null pixel buffer pool

I\'m sure something\'s wrong with my buffer attributes, but it\'s not clear to me what -- it\'s not well documented what\'s supposed to go there, so I\'m guessing based on CVPixelBufferPoolCreate -- a[详细]

2023-03-01 16:49 分类：问答
CoreFoundation Ownership follows the CreateRule

What does \"Ownership 开发者_JAVA百科follows the CreateRule.\" means inside the core foundation documentation?.[详细]

2023-02-27 06:01 分类：问答
Why is this generating a warning?

ABMutableMultiValueRef *address = (NSString *)ABRecordCopyValue(thisPerson, kABPersonAddressProperty);[详细]

2023-02-24 04:26 分类：问答
How can I start QuickTime and have it start playing a url?

I\'m using MonoMac, but I understand cocoa and objc well enough that if you can answer me in those languages, please do.[详细]

2023-02-22 09:51 分类：问答
convert struct __CFString * to CFStringRef

How can I convert struct __C开发者_JAVA百科FString * to CFStringRef? Thanks.CFStringRef is a typedef for struct const __CFString *, so you can just pass it into your method/function.[详细]

2023-02-18 07:21 分类：问答
Mac IOKit USB signal detection

matchingDict = IOServiceMatching(kIOUSBDeviceClassName); numberRef = CFNumberCreate(kCFAllocatorDefault, kCFNumberSInt32Type, &vendorId);[详细]

2023-02-17 13:35 分类：问答
CFRelease vs CGPathRelease

The following is a snippet of code from the Omni frameworks: CGMutablePathRef开发者_运维百科 path = CGPathCreateMutable();[详细]

2023-02-17 00:56 分类：问答
comparing NSCFString and NSCFBoolean

I am using SBJsonParser to parse JSON. An input can be 0 or a string (ex. a829d901093), and if it\'s zero, NSCF开发者_开发问答Boolean is returned, if its string NSCFString is returned. How can I tell[详细]

2023-02-15 18:26 分类：问答