2014/10/15 下午 10:07:01

iphone Programming Glossary: dispatch_queue_priority_high

http://stackoverflow.com/questions/11486828/table-view-scrolling-async

void loadImageForBeer Beer beer atIndexPath NSIndexPath indexPath dispatch_queue_t queue dispatch_get_global_queue DISPATCH_QUEUE_PRIORITY_HIGH 0ul dispatch_async queue ^ UIImage image UIImage imageWithContentsOfFile beer.imagePath beer.image image dispatch_sync dispatch_get_main_queue..

How to Clear IOS App Library Cache (Downloaded Images)

http://stackoverflow.com/questions/14908131/how-to-clear-ios-app-library-cache-downloaded-images

self setImage UIImage imageNamed @ nut forState UIControlStateNormal dispatch_queue_t queue dispatch_get_global_queue DISPATCH_QUEUE_PRIORITY_HIGH 0ul dispatch_async queue ^ NSData data NSData dataWithContentsOfURL imageURL options NSDataReadingUncached error NULL dispatch_async..

Asynchronus for loop in iphone

http://stackoverflow.com/questions/18461699/asynchronus-for-loop-in-iphone

here It should look like that I don't have a computer to test dispatch_queue_t queue dispatch_get_global_queue DISPATCH_QUEUE_PRIORITY_HIGH 0ul dispatch_async queue ^ for int i 3 i self rssParser rssItems count i for int i 3 i titlearray count i if i 3 0 x 0..

Can you use cancel/isCancelled with GCD/dispatch_async?

http://stackoverflow.com/questions/5449469/can-you-use-cancel-iscancelled-with-gcd-dispatch-async

user has clicked button to build new spaceship pleaseAbandonYourEfforts FALSE dispatch_async dispatch_get_global_queue DISPATCH_QUEUE_PRIORITY_HIGH 0 ^ self actuallyProcedurallyBuildInBackground as an aside it's worth noting that this does not work if you use the main..

Last In-First Out Stack with GCD?

http://stackoverflow.com/questions/7567827/last-in-first-out-stack-with-gcd

Retrieve the image from the database on a background queue dispatch_queue_t queue dispatch_get_global_queue DISPATCH_QUEUE_PRIORITY_HIGH 0 dispatch_async queue ^ UIImage image render image contact.image image use an index path to get at the cell we want..

Objective C Custom Lazy Load Images UITableView Cell

http://stackoverflow.com/questions/9083454/objective-c-custom-lazy-load-images-uitableview-cell

58.0f cell bringSubviewToFront cell.imageView superview else dispatch_queue_t queue dispatch_get_global_queue DISPATCH_QUEUE_PRIORITY_HIGH 0ul dispatch_async queue ^ dispatch_sync dispatch_get_main_queue ^ thumb.data NSData dataWithContentsOfURL NSURL URLWithString.. the asynchronous loading. I feel like it's supposed to look like this dispatch_queue_t queue dispatch_get_global_queue DISPATCH_QUEUE_PRIORITY_HIGH 0ul dispatch_async queue ^ thumb.data NSData dataWithContentsOfURL NSURL URLWithString NSString stringWithFormat @ @ cell.cimg..

What's the difference between the “global queue” and the “main queue” in GCD?

http://stackoverflow.com/questions/9602042/whats-the-difference-between-the-global-queue-and-the-main-queue-in-gcd

as threads become available non FIFO completion order . The global concurrent queues represent three priority bands DISPATCH_QUEUE_PRIORITY_HIGH DISPATCH_QUEUE_PRIORITY_DEFAULT DISPATCH_QUEUE_PRIORITY_LOW Blocks submitted to the high priority global queue will be invoked..