2014/10/15 下午 10:15:53

iphone Programming Glossary: virtually

http://stackoverflow.com/questions/1020944/convert-png-to-pvrtc-on-the-iphone

little sense to include or construct both versions of the files. Under optimal conditions the PVRTC versions should be virtually indistinguishable from the PNG versions and are really just pre processed versions of the files optimized for direct streaming..

Dynamically setting layout on UICollectionView causes inexplicable contentOffset change

http://stackoverflow.com/questions/13780138/dynamically-setting-layout-on-uicollectionview-causes-inexplicable-contentoffset

makes inexplicable and even invalid changes to the contentOffset causing cells to move incorrectly making the feature virtually unusable. To illustrate the problem I put together the following sample code that can be attached to a default collection..

HTML5 inline video on iPhone vs iPad/Browser

http://stackoverflow.com/questions/3699552/html5-inline-video-on-iphone-vs-ipad-browser

webkit playsinline Obj C webview.allowsInlineMediaPlayback YES And all works just fine Hope this helps someone as it's virtually undocumented and the only place I could find a reference to webkit playsinline was in the iAds reference where it says iAds..

What is -[NSString sizeWithFont:forWidth:lineBreakMode:] good for?

http://stackoverflow.com/questions/455553/what-is-nsstring-sizewithfontforwidthlinebreakmode-good-for

to it not actually wrapping the text is there because this method doesn't actually do anything to the text. It just virtually lays it out and returns how big of an area it would need to really lay it out. its the responsibility of the label or what..

Most efficient way to draw part of an image in iOS

http://stackoverflow.com/questions/8035673/most-efficient-way-to-draw-part-of-an-image-in-ios

one of the fastest ways UIView is just a thin layer on top of CALayer which is implemented on top of OpenGL which is a virtually direct interface to the GPU . This means UIKit is being accelerated by GPU. So if you use them properly I mean within designed..

IPhone vs Android [closed]

http://stackoverflow.com/questions/932522/iphone-vs-android

support and in many cases they will see this as an unnecessary cost Android could fail because these devices are virtually as powerful as PCs and if you purchase a PC and then found you couldn't upgrade it think how you'd feel. Currently Apple..