2014/10/15 下午 10:03:30

iphone Programming Glossary: addoperationwithblock

http://stackoverflow.com/questions/11190352/uiimageview-with-big-image-issue

When user scrolls to next image he sees only 600 600 image. Then in background I load 3600 3600 image operationQueue addOperationWithBlock ^ UIImage image self getProperBIGImage NSOperationQueue mainQueue addOperationWithBlock ^ ImageScrollView scroll self getCurrentScroll.. 3600 3600 image operationQueue addOperationWithBlock ^ UIImage image self getProperBIGImage NSOperationQueue mainQueue addOperationWithBlock ^ ImageScrollView scroll self getCurrentScroll scroll displayImage newImage I see that when the dimensions of image are..

Weak references inside a block

http://stackoverflow.com/questions/11603284/weak-references-inside-a-block

^ UIImage image render some image what if by the time I get here self no longer exists NSOperationQueue mainQueue addOperationWithBlock ^ weakSelf setImageViewImage image self.renderQueue addOperation op So my question is let's say that by the time the image..

On iOS, how to make a cell.imageView refresh its content?

http://stackoverflow.com/questions/12209380/on-ios-how-to-make-a-cell-imageview-refresh-its-content

completionHandler ^ NSURLResponse response NSData data NSError error NSOperationQueue mainQueue addOperationWithBlock ^ UIImage image UIImage imageWithData data cell.imageView.image image cell setNeedsLayout I found the completion..

WebCore crashing in NSOperationQueue operation

http://stackoverflow.com/questions/12505558/webcore-crashing-in-nsoperationqueue-operation

5 So essentialy I had initializing the AHInstagramImageData in a background queue weakSelf.backgroundQueue_ addOperationWithBlock ^ NSArray arr response valueForKey @ data int startingIndex AHImageDataSource sharedDataSource count for NSDictionary..

UITableView with images scrolls very slowly [duplicate]

http://stackoverflow.com/questions/12703297/uitableview-with-images-scrolls-very-slowly

UIImage imageNamed @ blankthumbnail.png now download in the image in the background self.imageDownloadingQueue addOperationWithBlock ^ NSURL imageUrl NSURL URLWithString imageUrlString NSData imageData NSData dataWithContentsOfURL imageUrl UIImage image.. setObject image forKey imageUrlString finally update the user interface in the main queue NSOperationQueue mainQueue addOperationWithBlock ^ make sure the cell is still visible UITableViewCell updateCell tableView cellForRowAtIndexPath indexPath if updateCell..

how to cancel out of operation created with addOperationWithBlock?

http://stackoverflow.com/questions/4962673/how-to-cancel-out-of-operation-created-with-addoperationwithblock

to cancel out of operation created with addOperationWithBlock I'm using NSOperationQueue's addOperationWithBlock. From within the block how do I check to see if I'm supposed to cancel.. to cancel out of operation created with addOperationWithBlock I'm using NSOperationQueue's addOperationWithBlock. From within the block how do I check to see if I'm supposed to cancel the operation Or access any NSOperation properties.. I check to see if I'm supposed to cancel the operation Or access any NSOperation properties methods myOperationQueue addOperationWithBlock ^ while long running loop how to determine here if I need to cancel for that matter access any NSOperation properties methods..

How to have a handler to repeat UIView animateWithDuration?

http://stackoverflow.com/questions/6766955/how-to-have-a-handler-to-repeat-uiview-animatewithduration

iOS4 Implementation of -[NSURLConnection sendAsynchronousRequest:queue:completionHandler:]?

http://stackoverflow.com/questions/9829653/ios4-implementation-of-nsurlconnection-sendasynchronousrequestqueuecompletio

NSError error UIApplication sharedApplication .networkActivityIndicatorVisible NO self.data nil if handler queue addOperationWithBlock ^ handler response nil error void connectionDidFinishLoading NSURLConnection connection UIApplication sharedApplication.. NO TODO Are we passing the arguments to the block correctly Should we copy them if handler queue addOperationWithBlock ^ handler response data nil @end #import objc runtime.h #import NSURLConnection SendAsync.h Dynamically add @property nonatomic..