2014/10/15 下午 10:05:06

iphone Programming Glossary: chunks

How to implement a box or gaussian blur on iPhone

http://stackoverflow.com/questions/1140117/how-to-implement-a-box-or-gaussian-blur-on-iphone

myView layer layer setRasterizationScale 0.25 layer setShouldRasterize YES This rasterizes the view down to 4x4 pixel chunks then scales it back up using bilinear filtering... it's EXTREMELY fast and looks ok if you are just wanting to blur a background..

How can I do variable height table cells on the iPhone properly?

http://stackoverflow.com/questions/1443335/how-can-i-do-variable-height-table-cells-on-the-iphone-properly

actually draw the cells when the time comes. If anything about the model item changed I had to update both of these chunks of code and now and again they still don't even match up perfectly sometimes resulting in table cells that are slightly..

Upload live streaming video from iPhone like Ustream or Qik

http://stackoverflow.com/questions/1960782/upload-live-streaming-video-from-iphone-like-ustream-or-qik

data. Every 5 seconds I set past current current future and restart the sequence. This then uploads video in 5 second chunks to the server. You can stitch the videos together with ffmpeg if you want or transcode them into MPEG 2 transport streams..

UITableView Core Data reordering

http://stackoverflow.com/questions/2360938/uitableview-core-data-reordering

exactly it is. Is there any sample code that demonstrates this That would be simpler to look at than sharing large chunks of code. Thanks iphone objective c cocoa touch uitableview core data share improve this question I'm not sure which..

GameKit Bluetooth Transfer Problem

http://stackoverflow.com/questions/2877523/gamekit-bluetooth-transfer-problem

NSData fileNameData fileNameStr dataUsingEncoding NSASCIIStringEncoding send 'fileNameData' 2nd Send the number of chunks your going to send NSUInteger fiftyK 51200 NSUInteger chunkCount NSUInteger srcData.length fiftyK srcData.length fiftyK.. NSString fileNameStr NSString alloc initWithData receivedData encoding NSASCIIStringEncoding 2nd Receive the number of chunks you are about to receive Receive data NSString chunkCountStr NSString alloc initWithData receivedData encoding NSASCIIStringEncoding.. initWithData receivedData encoding NSASCIIStringEncoding NSUInteger chunkCount chunkCount intValue 3rd Receive the chunks of data NSMutableData data NSMutableData alloc init for NSUInteger i 0 i chunkCount i Receive data data appendData receivedData..

Understanding the memory consumption on iPhone

http://stackoverflow.com/questions/363493/understanding-the-memory-consumption-on-iphone

Allocations ~7 MB and real memory usage as shown by Memory Monitor ~14 MB . Even if there were huge leaks or huge chunks of memory I forget about the should still show up in the Object Allocations shouldn 脌 they I 脎e already tried the usual..

iOS 4 Alarm Clock App with Multitasking Support

http://stackoverflow.com/questions/3897946/ios-4-alarm-clock-app-with-multitasking-support

progressive alarm. By scheduling many local notifications one after each other. He has divided the alarm sounds into chunks of say 10 s each with progressive volume levels. This is a very crude example to show how the progressive alarm can be faked... more local notifications. This will of course only work if you have an alarm sound that can be easily divided into chunks just like the bells in Progressive Alarm Clock. Unfortunately you can't cancel the alarm by tapping cancel in the notification...

iPhone : How to convert CSV format into NSData or NSString?

http://stackoverflow.com/questions/4507636/iphone-how-to-convert-csv-format-into-nsdata-or-nsstring

handles quoted fields escaped characters etc. It has convenience methods NSArray arrayWithContentsOfCSVFile ... and chunks the file reading so as not to produce low memory warnings. Here's more or less how you'd use it. That the CSV file is remote..

iOS Development: How can I induce low memory warnings on device?

http://stackoverflow.com/questions/4717138/ios-development-how-can-i-induce-low-memory-warnings-on-device

ipad ios share improve this question To test on a device just add some code that periodically allocates large chunks of memory without freeing it i.e. leak on purpose . You can do this in a separate thread or in response to a timer or using..

How do you display song lyrics in Karaoke style on the iPhone?

http://stackoverflow.com/questions/4829648/how-do-you-display-song-lyrics-in-karaoke-style-on-the-iphone

like you see on every Karaoke screen as the song plays. I have been looking into extending my caf files adding string chunks and then reading them out again. Is this the correct way to do this Does anybody know of a better easier normal way to achieve..

Uploading live streaming video from iPhone [duplicate]

http://stackoverflow.com/questions/5062266/uploading-live-streaming-video-from-iphone

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 and.. 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 call SOAP based web-Service using PhoneGap in iPhone?

http://stackoverflow.com/questions/5974295/how-call-soap-based-web-service-using-phonegap-in-iphone

think about the same orign policy . Some performance implications are here to consider was well because processing big chunks of xml in javascript on mobile phones might be slow. So you could use some kind of weserver to talk to the webservice end..

Best way to download large files from web to iPhone for writing to disk

http://stackoverflow.com/questions/648275/best-way-to-download-large-files-from-web-to-iphone-for-writing-to-disk

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

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..

Better performance with libxml2 or NSXMLParser on the iPhone?

http://stackoverflow.com/questions/826281/better-performance-with-libxml2-or-nsxmlparser-on-the-iphone

for your feedback iphone objective c xml cocoa touch share improve this question I've generally found for larger chunks of data like the apple example you reference libxml2 tends to be faster. For smaller chunks of data the difference is negligible... generally found for larger chunks of data like the apple example you reference libxml2 tends to be faster. For smaller chunks of data the difference is negligible. One advantage i like about NSXMLParser is that it is an Objective C based implementation..