2014/10/15 下午 10:05:06

iphone Programming Glossary: chunk

How do I do an Asychronous NSURLConnection inside an NSOperation?

http://stackoverflow.com/questions/1304508/how-do-i-do-an-asychronous-nsurlconnection-inside-an-nsoperation

to the delegate. void connection NSURLConnection connection didFailWithError NSError error done YES Called when a chunk of data has been downloaded. void connection NSURLConnection connection didReceiveData NSData data Process the downloaded.. data has been downloaded. void connection NSURLConnection connection didReceiveData NSData data Process the downloaded chunk of data. NSLog @ Did received i bytes data length void connectionDidFinishLoading NSURLConnection connection Set the condition..

Cropping a UIImage

http://stackoverflow.com/questions/158914/cropping-a-uiimage

a UIImage I've got some code that resizes an image so I can get a scaled chunk of the center of the image I use this to take a UIImage and return a small square representation of an image similar to..

Zoom UILabel & Re-render font at correct size

http://stackoverflow.com/questions/1990458/zoom-uilabel-re-render-font-at-correct-size

above a scale factor of 1.0. For truly sharp rendering you'll need to handle the scaling yourself. I describe a chunk of the process in this answer . You'll need to keep track of the scale factor of the content view manually then in the scrollViewDidEndZooming..

Crossplatform iPhone / Android code sharing

http://stackoverflow.com/questions/2380258/crossplatform-iphone-android-code-sharing

builds The two most common scenarios I think would be Blank slate new project knowing ahead of time there is a large chunk of reusable logic that needs to run on each device. Existing iPhone code base porting of C C and Objective C to the Android..

UITextView w/ Syntax Highlighting [closed]

http://stackoverflow.com/questions/2638752/uitextview-w-syntax-highlighting

w Syntax Highlighting closed Is there a common library parser etc. for Cocoa or Cocoa Touch that can take a chunk of text and do the proper syntax highlighting As a simple example I'd like to have a UITextView that has C C syntax highlighting...

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

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 length offset chunkSize chunkSize length offset NSData chunk.. length myBlob length NSUInteger chunkSize 100 1024 NSUInteger offset 0 do NSUInteger thisChunkSize length offset chunkSize chunkSize length offset NSData chunk NSData dataWithBytesNoCopy char myBlob bytes offset length thisChunkSize freeWhenDone.. myBlob length NSUInteger chunkSize 100 1024 NSUInteger offset 0 do NSUInteger thisChunkSize length offset chunkSize chunkSize length offset NSData chunk NSData dataWithBytesNoCopy char myBlob bytes offset length thisChunkSize freeWhenDone..

What's the most efficient way of converting a 10 MB JSON response into an NSDictionary?

http://stackoverflow.com/questions/4351930/whats-the-most-efficient-way-of-converting-a-10-mb-json-response-into-an-nsdict

the most efficient way of converting a 10 MB JSON response into an NSDictionary Our app must display a big chunk of data with minimal remote http requests so we have added an endpoint to our backend that provides all the necessary data..

iPhone Development - Simulate Memory Warning

http://stackoverflow.com/questions/491075/iphone-development-simulate-memory-warning

objects that don't get instanced until accessed. For example you could have a controller that sometimes needs a big chunk of data from a file but not always. You could have a property set for it like this NSData bigChunkOfData Get data from our..

Realtime Audio/Video Streaming FROM iPhone to another device (Browser, or iPhone)

http://stackoverflow.com/questions/5719538/realtime-audio-video-streaming-from-iphone-to-another-device-browser-or-iphone

will use a ton of CPU and battery . Write your own parser for the H.264 AAC output very hard Record and process in chunks will add latency equal to the length of the chunks and drop around 1 4 second of video between each chunk as you start.. own parser for the H.264 AAC output very hard Record and process in chunks will add latency equal to the length of the chunks and drop around 1 4 second of video between each chunk as you start and stop the sessions . share improve this answer..

How can I improve the performance of my custom OpenGL ES 2.0 depth texture generation?

http://stackoverflow.com/questions/6051237/how-can-i-improve-the-performance-of-my-custom-opengl-es-2-0-depth-texture-gener

top two impostors do not prevent any of the fragments from those visible objects from being rendered yet they block a chunk of the fragments from the lowest impostor. The frontmost impostors can then use per pixel tests to generate a smooth intersection..

AudioQueue how to find out playback length of queued data

http://stackoverflow.com/questions/7375309/audioqueue-how-to-find-out-playback-length-of-queued-data

int _maxPacketSize BOOL firstTime BOOL _ism4a id initWithURL NSURL url andFileType NSString ext gets next chunk that corresponds to seconds of audio NSData getNextDataChunk int seconds @end Implementation #import MusicChunker.h void.. constant. break case kAudioFileNotOptimizedError NSException raise @ AudioFileNotOptimizedError format @ The chunks following the audio data chunk are preventing the extension of the audio data chunk. To write more data you must optimize.. NSException raise @ AudioFileNotOptimizedError format @ The chunks following the audio data chunk are preventing the extension of the audio data chunk. To write more data you must optimize the file. break case kAudioFileInvalidChunkError..

Best approach for XML parsing on the iPhone

http://stackoverflow.com/questions/842292/best-approach-for-xml-parsing-on-the-iphone

up creating a variant of NSXMLParser which pulls data in from a supplied NSInputStream rather than using a single chunk of data and which passes only 1KB at a time into libxml for handling NSXMLParser uses libxml too but passes 100 of the data..