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2014/10/15 ¤U¤È 10:12:22
iphone Programming Glossary: optimalConvert .png to PVRTC *on* the iPhone http://stackoverflow.com/questions/1020944/convert-png-to-pvrtc-on-the-iphone PVRTC files . For most applications there is 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..
Facebook iOS SDK 3.0, implement like action on a url? http://stackoverflow.com/questions/12112847/facebook-ios-sdk-3-0-implement-like-action-on-a-url this question I've actually manage to create a simple and quite dirty solution of this. The solution does not seem optimal but it's currently a working solution. If anybody has used the explorer tool on facebook on this url https developers.facebook.com..
Detect touches only on non-transparent pixels of UIImageView, efficiently http://stackoverflow.com/questions/13291919/detect-touches-only-on-non-transparent-pixels-of-uiimageview-efficiently
http://stackoverflow.com/questions/14659650/uiscrollview-lazy-loading images for the currentPage 1 1. I haven't got around to that as yet. Also I'm not entirely sure if my use of blocks in optimal but not getting an errors. I call this from a Segue and set the assetsArray NSArray of ALAssets from within the prepareForSegue..
How to set up gcov for code coverage analysis in iPhone SDK? http://stackoverflow.com/questions/1945229/how-to-set-up-gcov-for-code-coverage-analysis-in-iphone-sdk testing an app I write for the iPhone. I have the basics of creating my own tests down even if it seems a little sub optimal. I am however having real trouble setting up code coverage analysis using gcov. I followed the instructions here http www.cubiclemuses.com..
How to use HTTP Live Streaming protocol in iPhone SDK 3.0 http://stackoverflow.com/questions/2719958/how-to-use-http-live-streaming-protocol-in-iphone-sdk-3-0 video. HTTP Live Streaming is required when streaming video feeds over the cellular network in order to have an optimal user experience and utilize cellular best practices. This protocol automatically determines bandwidth available to users..
Objective-C to Java cross compiler http://stackoverflow.com/questions/2792062/objective-c-to-java-cross-compiler learn just one language obj c but put out applications on many devices. I understand that the Java port would be less optimal than a natively coded application but could conceivably save a developer some time. Edit Yes the applications would be terrible...
What is the optimal way to monitor changes in a directory with a kqueue()? http://stackoverflow.com/questions/2972563/what-is-the-optimal-way-to-monitor-changes-in-a-directory-with-a-kqueue is the optimal way to monitor changes in a directory with a kqueue OK I'm implementing File Sharing in an iPhone OS app and of course..
Practical rules for premature optimization [closed] http://stackoverflow.com/questions/2978460/practical-rules-for-premature-optimization something simple that works and moving on is a good choice even though you know that the algorithmic complexity is not optimal. Every hour you spend optimizing rarely called code is one hour less that you can spend on adding features people actually..
Is it possible to successful animate a moving UIButton? http://stackoverflow.com/questions/3568868/is-it-possible-to-successful-animate-a-moving-uibutton I have several of these 'bubble' buttons on screen at once so having several NSTimers concurrently active wouldn't be optimal. Can anyone suggest another approach Should I perhaps animate UIImageViews and make them repsond to touches Or will I have..
Download images and save locally on iPhone Phonegap app http://stackoverflow.com/questions/3625640/download-images-and-save-locally-on-iphone-phonegap-app have a server to which I can send queries from my app so it shows exclusively the content I need to download with the optimal headers in case its necessary. I just don't know how to download it from the client side Javascript . Thanks in advance..
Looking for a graph layout framework for iOS [closed] http://stackoverflow.com/questions/3692840/looking-for-a-graph-layout-framework-for-ios used to draw graphs and charts such as pie charts etc . I am looking for a layout framework which determines the optimal location for arbitrary nodes in an abstract graph. iphone ipad graph ios graph layout share improve this question According..
http://stackoverflow.com/questions/4127979/faster-iphone-png-animations Animations Currently I have a PNG animation on a timer that is firing every .01 seconds. However performance isn't optimal and the animation is visibly slow. I have over 2000 images. Is there a better way to accomplish this I've posted something..
How to use NSString's sizeWithFont and drawInRect to workout how much of a string to draw http://stackoverflow.com/questions/4965809/how-to-use-nsstrings-sizewithfont-and-drawinrect-to-workout-how-much-of-a-strin 18.75 which is not a whole number. NSInteger linesWithoutClipping floor initialPageHeight theFont.lineHeight CGFloat optimalPageHeight linesWithoutClipping theFont.lineHeight Taking the floor value 18 and multiplying with the font line height 16.. theFont.lineHeight Taking the floor value 18 and multiplying with the font line height 16 we get an optimal page height of 288 to ensure there's no clipping. Note that lineHeight was introduced in iOS 4.0 but you could calculate..
NSMutableString as retain/copy http://stackoverflow.com/questions/4995254/nsmutablestring-as-retain-copy the mutable string to the interface as above you'll have to guarantee thread safety manually. in many cases it is optimal to do something along these lines @interface MONThing NSObject NSString str1 @property nonatomic copy NSString str1 @end..
How to draw a color wheel in objective-c http://stackoverflow.com/questions/5108921/how-to-draw-a-color-wheel-in-objective-c with a constant luminance saturation but you should be able to adapt it for your needs. Note that this may not have optimal performance but it should get you started. Also you can use getColorWheelValue to handle user input clicks touches at a..
Syncing objects between two disparate systems, best approach? http://stackoverflow.com/questions/636675/syncing-objects-between-two-disparate-systems-best-approach objects between an iPhone and a Web site using an XML based payload and would love to solicit some ideas for an optimal routine. The nature of this question is fairly generic though and I can see it being applicable to a variety of different..
Quartz 2D drawRect method (iPhone) http://stackoverflow.com/questions/716351/quartz-2d-drawrect-method-iphone trigger a manual redraw of the view's or layer's content and a subsequent recaching of that content in the layer. For optimal performance it's suggested that you avoid having frequent calls to drawRect because Quartz drawing and recaching in a layer..
Better performance with libxml2 or NSXMLParser on the iPhone? http://stackoverflow.com/questions/826281/better-performance-with-libxml2-or-nsxmlparser-on-the-iphone seem to come as the forefront winner. With your experience in dealing with data that's 100Kb what do you prefer for optimal performance I'm currently using TouchXML libxml2 and looking to see if it's possible to optimize on the parsing speeds as..
UINavigationController Force Rotate http://stackoverflow.com/questions/9826920/uinavigationcontroller-force-rotate orientation of the device and show a message asking them to rotate the device if it is not correct however this is not optimal. iphone objective c ios ios5 uinavigationcontroller share improve this question I had the same requirement for one..
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