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2014/10/15 ¤U¤È 10:08:53
iphone Programming Glossary: fastestWhat's a quick way to test to see a file exists? http://stackoverflow.com/questions/1356701/whats-a-quick-way-to-test-to-see-a-file-exists path for that matter . I can enumerate through the directory's files or I can try to open a specific file. What's the fastest way I just need to know if the file is there or if it does not exist. iphone cocoa touch share improve this question..
Common multithreading mistakes beginners make on iPhone http://stackoverflow.com/questions/1357108/common-multithreading-mistakes-beginners-make-on-iphone multithreaded Cocoa applications is simultaneous access to a shared resource. The @synchronized directive is not the fastest as pointed out by Colin Wheeler so you might want to use NSLock to protect access to your shared resources. However locking..
programmatically screenshot works bad on iOS 7 http://stackoverflow.com/questions/18956611/programmatically-screenshot-works-bad-on-ios-7 It works great on iOS 6 but in iOS 7 the image looks very bad. I used this answer iOS what's the fastest most performant way to make a screenshot programatically for trying to fix it and it helped still the screenshot looks bad...
fastest way to draw a screen buffer on the iphone http://stackoverflow.com/questions/2395650/fastest-way-to-draw-a-screen-buffer-on-the-iphone way to draw a screen buffer on the iphone I have a software renderer that I am porting from PC to the iPhone. what is the.. to draw a screen buffer on the iphone I have a software renderer that I am porting from PC to the iPhone. what is the fastest way to manually update the screen with a buffer of pixels on the iphone for instance in windows the fastest function I have.. is the fastest way to manually update the screen with a buffer of pixels on the iphone for instance in windows the fastest function I have found is SetDIBitsToDevice. I don't know much about the iphone or the libraries and there seem to be so..
What is the fastest way to draw single pixels directly to the screen in an iPhone application? http://stackoverflow.com/questions/389289/what-is-the-fastest-way-to-draw-single-pixels-directly-to-the-screen-in-an-iphon is the fastest way to draw single pixels directly to the screen in an iPhone application I am looking the fastest way to draw thousands.. is the fastest way to draw single pixels directly to the screen in an iPhone application I am looking the fastest way to draw thousands of individually calculated pixels directly to the screen in an iPhone application that preforms extremely..
Choosing the right IOS XML parser http://stackoverflow.com/questions/4181690/choosing-the-right-ios-xml-parser 553 how to chose the best xml parser for your iphone project The difference between the slowest and fastest parsers in his case was a factor of 2. Depending on your feature requirements there are definitely parsers that can cut..
http://stackoverflow.com/questions/4973156/how-to-write-a-rest-api you a REST API with CRUD functionality as soon as you've defined a model. I guess my question is What would be the fastest way to get a REST API up and running I really just want to focus on writing the iPhone app and not spend too much time on..
OpenGL-ES 2.0 VS OpenGL-ES 1.1, which is faster? http://stackoverflow.com/questions/5682010/opengl-es-2-0-vs-opengl-es-1-1-which-is-faster the much faster iPad 2 but my early tests show it at about 8 000 000 10 000 000 triangles per second. Even on the fastest device out there you're only going to get ~10 FPS on a million triangle scene in the best of the devices. Odds are you don't..
How to Parse XML File using xmlparsing on iphone? http://stackoverflow.com/questions/5715174/how-to-parse-xml-file-using-xmlparsing-on-iphone parsing share improve this question The SDK provides two ways to parse XML libxml2 and NSXMLParser. libxml2 is the fastest. To use it in your project go to the build settings for your iPhone App project and set the following Other linker flags..
Realtime Audio/Video Streaming FROM iPhone to another device (Browser, or iPhone) http://stackoverflow.com/questions/5719538/realtime-audio-video-streaming-from-iphone-to-another-device-browser-or-iphone liveStreaming. This is a good answer has anyone gotten it to work Is there a better more efficient option What's the fastest way to get data off the iPhone Is it ASIHTTPRequest Thanks everyone. iphone video streaming audio streaming http live streaming..
How can I improve the performance of my custom OpenGL ES 2.0 depth texture generation? http://stackoverflow.com/questions/6051237/how-can-i-improve-the-performance-of-my-custom-opengl-es-2-0-depth-texture-gener GL_ONE GL_ONE and glBlendEquation is set to GL_MIN_EXT . I know that a scene output in this manner isn't the fastest on a tile based deferred renderer like the PowerVR series in iOS devices but I can't think of a better way to do this. My..
What's the easiest way to resize/optimize an image size with the iPhone SDK? http://stackoverflow.com/questions/612131/whats-the-easiest-way-to-resize-optimize-an-image-size-with-the-iphone-sdk UIGraphicsGetImageFromCurrentImageContext UIGraphicsEndImageContext return newImage As far as storage of the image the fastest image format to use with the iPhone is PNG because it has optimizations for that format. However if you want to store these..
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 need defining specifically. Trust Apple for Regular UI stuff Actually UIImageView with clipsToBounds is one of the fastest simplest ways to archive your goal if your goal is just clipping a rectangular region of an image not too big . Also you.. Anyway you need to know all of the low level details to use them properly for optimization. Why is that 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..
iOS dev - How do I pass a string obj from one class to the other? [duplicate] http://stackoverflow.com/questions/8190643/ios-dev-how-do-i-pass-a-string-obj-from-one-class-to-the-other to the second. Depending on what button the user pushes I want to change the info on the second screen. What's the fastest and easiest way to do this I tried importing the class and rebuilding but that recreates the string obj and doesn't keep..
Converting a UIImage black'n white and not grayscale for using tesseract http://stackoverflow.com/questions/9992078/converting-a-uiimage-blackn-white-and-not-grayscale-for-using-tesseract pixels and not grayscale images iphone image filter uiimage tesseract share improve this question Probably the fastest way to do this would be to use OpenGL ES 2.0 shaders to apply the threshold to your image. My GPUImage framework encapsulates..
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