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2014/10/15 ¤U¤È 10:14:16
iphone Programming Glossary: slowshttp://stackoverflow.com/questions/14659563/to-drawrect-or-not-to-drawrect-when-should-one-use-drawrect-core-graphics-vs-su NOT use subviews but instead do all the drawing in one custom uiview. Essentially it seems that using lots of subviews slows rendering down because they have lots of overhead and are constantly re composited over their parent views. To be fair this..
How to decrease build times / speed up compile time in XCode? http://stackoverflow.com/questions/1479085/how-to-decrease-build-times-speed-up-compile-time-in-xcode you can do is to control your inclusion of header files. Including extra header files in source code dramatically slows down the compilation. This also tends to increase the time required for dependency checking. Also using forward declaration..
Which mobile programming environment do you recommend for a startup to target? [closed] http://stackoverflow.com/questions/1599725/which-mobile-programming-environment-do-you-recommend-for-a-startup-to-target the things that provide the greatest benefit to developers long term. Having a closed platform's vendor vet every app slows down acceptance and limits choice but improves overall quality security and consumer trust. And so on... Career wise there..
How can I skip compressing one PNG? http://stackoverflow.com/questions/2051947/how-can-i-skip-compressing-one-png Read the link above for details on why but the gist of it is that the optimization lets the iPhone skip some math that slows down PNG display. Xcode will only optimize PNG image files that it knows about. To prevent a specific PNG from being optimized..
NSOperations or NSThread for bursts of smaller tasks that continuously cancel each other? http://stackoverflow.com/questions/2840406/nsoperations-or-nsthread-for-bursts-of-smaller-tasks-that-continuously-cancel-ea actually lightning fast in my test I am searching an 16.000 entries dictionary and having Xcode NSLog it to the screen slows things down nicely each 800 ms. I issue a new search string via a timer and thereby canceling the old before it has finished..
Xcode debug with iPhone app is slow and laggy http://stackoverflow.com/questions/3226311/xcode-debug-with-iphone-app-is-slow-and-laggy app is slow and laggy I am debugging an iPhone app I'm writing in Xcode but sometimes now the debugger which is GDB slows a lot doing a step by step debugging and becomes unresponsive sometimes the icons for stepping in stepping over stepping..
Is there a way to make drawRect work right NOW? http://stackoverflow.com/questions/4739748/is-there-a-way-to-make-drawrect-work-right-now in the demo. Scroll to the 'answer' I pasted in below showing the console output you can see how it progressively slows. Here's the new SO question Mysterious progressive slowing problem in run loop drawRect. Here is V2 of the demo app... http..
How to play videos from a URL into an iphone app with buffering? http://stackoverflow.com/questions/6013614/how-to-play-videos-from-a-url-into-an-iphone-app-with-buffering which requires the videos to be played from the URL. I dont want to download the whole videos just as it eventually slows down my app. I want to play the videos in a way that it buffers in between and then plays. How to play videos from a URL..
UIImage in uitableViewcell slowdowns scrolling table http://stackoverflow.com/questions/6408434/uiimage-in-uitableviewcell-slowdowns-scrolling-table slowdowns scrolling table Hello I am trying to get profile image of facebook user in Table's cell.image. But It slows down Scrolling of Table view.Then I used Asynchronous loading of image link But i am confused how could I use this in my.. image_view release return cell iphone objective c ios uitableview uiimageview share improve this question Its slows down because you are setting the image every time the cellForRowAtIndexPath is called. Add the image to the cell's imageView..
http://stackoverflow.com/questions/6596845/titanium-appcelerator-iphone-app-app-crashes-when-the-table-view-is-scrolled-c Appcelerator iPhone App App crashes when the table view is scrolled close to 1000th record and slows down when it starts scrolling We have a sample app that loads 10 records each from the db and shows in a table vioew. The..
how to record screen video as like Talking Tomcat application does in iphone? http://stackoverflow.com/questions/6980370/how-to-record-screen-video-as-like-talking-tomcat-application-does-in-iphone i think Talking tomcat is also made with the help of Opengl ES it also has the video recording facility but it doesnot slows down while reading each frame any idea.... iphone video opengl es avassetwriter glreadpixels share improve this question..
http://stackoverflow.com/questions/8172473/nstimer-reliable-alternatives 1 second and I'm currently using NSTimer but if my application transitions screens or almost anything else really it slows down the timer a little bit making for inaccurate readings. What is a reliable alternative to use My current code is as..
iOS - Scale and crop CMSampleBufferRef/CVImageBufferRef http://stackoverflow.com/questions/8493583/ios-scale-and-crop-cmsamplebufferref-cvimagebufferref to crop and scale the image inside the CMSampleBufferRef without converting it into UIImage or CGImageRef because that slows down the performance. iphone objective c ios avfoundation cmsamplebufferref share improve this question You might consider..
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