Top "Core-foundation" questions

Core Foundation provides the fundamental data types and essential services that underlie both the Cocoa and Carbon environments on Mac OS X.

Why doesn't this simple CoreMIDI program produce MIDI output?

Here is an extremely simple CoreMIDI OS X application that sends MIDI data. The problem is that it doesn't work. …

macos midi core-foundation coremidi
CFRunLoopRun() vs [NSRunLoop run]

I have an NSRunLoop object, to which I attach timers and streams. It works great. Stopping it is another story …

macos foundation core-foundation nsrunloop cfrunloop
What's the right memory management pattern for buffer->CGImageRef->UIImage?

I have a function that takes some bitmap data and returns a UIImage * from it. It looks something like so: …

iphone uiimage core-graphics quartz-2d core-foundation
Releasing Core Foundation object references

Do I need to release a Core Foundation objects to clear up memory? And if so, how? For example, in …

objective-c cocoa cocoa-touch core-foundation
What is the purpose of the CoreFoundation framework?

I have been programming in Objective-C Cocoa for a little while using NSObjects etc. I see that there is another …

objective-c cocoa core-foundation
In Objective-C, how to print out N spaces? (using stringWithCharacters)

The following is tried to print out N number of spaces (or 12 in the example): NSLog(@"hello%@world", [NSString stringWithCharacters:" " …

objective-c ios nsstring core-foundation
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 …

ios core-foundation avassetwriter core-video
NSUrlRequest: where an app can find the default headers for HTTP request?

Does anybody know where an iOS app can see the default headers that NSUrlRequest sets for an HTTP request? Just …

cocoa ios macos core-foundation