Im executing a thread that keeps looking for updates from a web site. It should be possible to set the refresh rate in some view.
I\'m confused by an occasional crash that I\'m seeing, which, according to the Zombies instrument, is caused by the over-release of some dictionary values. When I look at the object history for one of
I need to know if it\'s better to use NSOperation o开发者_Go百科r Block to load a large number of image into a UIScrollView? I create all the Imageview and positioning each UIImageView in the right po
Now, I\'m trying to upload photo image to Facebook by using FBConnect. I succeeded in uploading image from main thread but, it blocks user interface quite long time.
I am struggling with a deadlock in my GCD code. Then I saw this function dispatch_debug in the header file <dispatch/object.h>.
I\'ve been using mercurial with a central repository. As two or more of us work on changes we commit locally. At some point we push these changes back to the central repository.
I created some test code for NSThread and Grand Central Dispatch (GCD): - (void)doIt:(NSNumber *)i { sleep(1);
I have a callback which might come from any thread. When I get this callback, then I would like to perform a certain task on the main thread.
The code class XXX { vector<Record> getAll() { dispatch_apply(3, dispatch_get_global_q开发者_StackOverflowueue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^(size_t i) {
We are using dispatch queues to generate timer events. Following is the code which does the task: dispatch_queue_t queue = dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0);
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