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2014/10/15 ¤U¤È 10:13:13
iphone Programming Glossary: reduceshttp://stackoverflow.com/questions/2136051/calculating-multiline-text-height-for-uilabel-uitableviewcell-different-results The size by sizeWithFont was correct. The sizes I calculated in the above way were incorrect because label sizeToFit reduces the width of the label's frame. At subsequent calls to the same code it started off with the frame that may already have..
Passing managedObjectContext along to view/controller hierarchy http://stackoverflow.com/questions/3174610/passing-managedobjectcontext-along-to-view-controller-hierarchy
http://stackoverflow.com/questions/4473894/alternatives-to-creating-an-opengl-texture-from-a-captured-video-frame-to-overla views are visible. If your OpenGL ES layer is composited on top of other layers making your CAEAGLLayer object opaque reduces but doesn ™t eliminate the performance cost. If your CAEAGLLayer object is blended on top of layers underneath it in the..
UIImage with transparent rounded corners http://stackoverflow.com/questions/4885713/uiimage-with-transparent-rounded-corners width float ovalWidth height float ovalHeight float fw fh If the width or height of the corner oval is zero then it reduces to a right angle so instead of a rounded rectangle we have an ordinary one. if ovalWidth 0 ovalHeight 0 CGContextAddRect..
Releasing renderInContext result within a loop http://stackoverflow.com/questions/4970627/releasing-renderincontext-result-within-a-loop to UIGraphicsEndImageContext with UIImage image someotherimage then the memory does not spike but is allocated and reduces on every iteration of the loop as I would expect due to the Autorelease pool. It doesn't crash And if I just comment out..
What do “Dirty” and “Resident” mean in relation to Virtual Memory? http://stackoverflow.com/questions/5176074/what-do-dirty-and-resident-mean-in-relation-to-virtual-memory any point in time. Keeping this number low means your application has lower loading times plays well with others and reduces the risk you'll run out of memory and crash as your application is running. This is probably the number you should be paying..
GeneralBlock-56 memory leak when calling loadRequest in UIWebView http://stackoverflow.com/questions/5470121/generalblock-56-memory-leak-when-calling-loadrequest-in-uiwebview initWithMemoryCapacity 0 diskCapacity 0 diskPath nil NSURLCache setSharedURLCache sharedCache sharedCache release This reduces a few of the GeneralBlock memory leaks but some still remain. Any insights on this behavior are very welcome...thanks iphone..
http://stackoverflow.com/questions/5757386/how-to-mask-an-uiimageview This whole thing is a method which you are calling somewhere. You don't need to create the images inside it this reduces the reusability of the method to zero. To get your code working. Change the methods head 1. to UIImage maskImageMyImages..
The term “Context” in programming? http://stackoverflow.com/questions/6145091/the-term-context-in-programming soft While they don't necessarily need those pieces of information it helps narrow things down if you provide them. It reduces the problem area. It makes the search much faster. That's optional context . Here's the interesting part for a lot of software..
Visual viewport vs Layout viewport on mobile devices http://stackoverflow.com/questions/7344886/visual-viewport-vs-layout-viewport-on-mobile-devices of the page again in CSS pixels. If you zoom in on a page you're increasing the size of the CSS pixels which naturally reduces the number of CSS pixels that can fit on the device. That's why the visual viewport's dimensions shrink when you zoom. The..
Alternative to global variables in app delegate http://stackoverflow.com/questions/7635008/alternative-to-global-variables-in-app-delegate way because the arrow position is updated and used by several classes. in many cases you can reduce the scope. this reduces inter component dependency. However I am insecure whether this is a good or a bad design decision. My thoughts are that..
feasible to not declare ivar but use in synthesize? http://stackoverflow.com/questions/8017236/feasible-to-not-declare-ivar-but-use-in-synthesize you couldn't do before. For example you can now declare iVars in the .m file as part of a class extension which reduces the amount of information you expose in your public interface. Update The modern LLVM 4 compiler even lets you do away with..
how can i upload audio file to server in iphone application? http://stackoverflow.com/questions/8574053/how-can-i-upload-audio-file-to-server-in-iphone-application
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