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2014/10/15 ¤U¤È 10:03:51
iphone Programming Glossary: approximatelyhttp://stackoverflow.com/questions/1059101/font-size-in-pixels typography share improve this question Point sizes are defined as 1 72 of an inch . That is a 72 point font is approximately 1 inch from the lowest descent to the highest ascent. So the maximum height of a glyph in a 72pt font is about 1 inch. Apple's..
Face Detection issue using CIDetector http://stackoverflow.com/questions/11154585/face-detection-issue-using-cidetector a face image now i want to get both eyes and mouth coordinates. I have seen 2 3 sample codes for this but all are approximately same in all codes we have to invert my view for matching the coordinates which i dont want because my view have some other..
Styling the cancel button in a UISearchBar http://stackoverflow.com/questions/1200149/styling-the-cancel-button-in-a-uisearchbar size 48 30. There only seems to be one this could change... You could be doubly careful and look for one that is in approximately the correct position differs in landscape and portrait . Add a subview to the cancel button. The subview should be a UIControl..
How is iPhone Contact app's detail View implemented http://stackoverflow.com/questions/1528677/how-is-iphone-contact-apps-detail-view-implemented for all the data you want to present. This means 1 for the custom header 1 for the custom footer buttons actions and approximately 6 or so sections for the data one section for phone numbers another for e mail addresses and so on Inside of each section..
http://stackoverflow.com/questions/1622729/double-vs-float-on-the-iphone do both single and double precision arithmetic in hardware. On the 1176 original iPhone and iPhone3G they operate at approximately the same speed though you can fit more single precision data in the caches. On the Cortex A8 iPhone3GS iPhone4 and iPad..
Using quaternion instead of roll, pitch and yaw to track device motion http://stackoverflow.com/questions/19239482/using-quaternion-instead-of-roll-pitch-and-yaw-to-track-device-motion . It helps to bear in mind that x y z represent the axis to rotate around not normalised and w cos alpha 2 i.e. stands approximately for the amount of rotation. As CMQuaternion is just a struct thus it's hard to do all the calculations. Use a full functional..
Core Data Inferred Migration ??Automatic “lightweight” vs Manual http://stackoverflow.com/questions/2535373/core-data-inferred-migration-automatic-lightweight-vs-manual your project would solve. update I already tried that strategy and using a mapping model generated in XCode results in approximately the same processing time as the inferred at runtime model. The only real difference is the time to load the model from the..
Split NSData objects into other NSData objects with a given size http://stackoverflow.com/questions/2899020/split-nsdata-objects-into-other-nsdata-objects-with-a-given-size NSData objects into other NSData objects with a given size I'm having an NSData object of approximately 1000kb big. Now I want to transfer this via bluetooth. This would be better if I have let's say 10 objects of 100kb. It..
How do I hide iAd banners when no ads are being served? http://stackoverflow.com/questions/3123259/how-do-i-hide-iad-banners-when-no-ads-are-being-served
iphone accelerometer speed and distance http://stackoverflow.com/questions/3177199/iphone-accelerometer-speed-and-distance
How to prevent my app from running in the background on the iPhone http://stackoverflow.com/questions/3222463/how-to-prevent-my-app-from-running-in-the-background-on-the-iphone quit the application the applicationWillTerminate method of the application delegate is called and the application has approximately five seconds to clean up and exit before it is terminated and moved back to the not running state. share improve this..
Find the tangent of a point on a cubic bezier curve (on an iPhone) http://stackoverflow.com/questions/4089443/find-the-tangent-of-a-point-on-a-cubic-bezier-curve-on-an-iphone mm Finally here in the simplest possible fashion are the two routines to calculate equidistant points in fact approximately equidistant and the tangents of those along a bezier cubic CGFloat bezierPoint CGFloat t CGFloat a CGFloat b CGFloat c CGFloat..
pinch zooming for a UIWebView for ios 3.0 and newer http://stackoverflow.com/questions/4646365/pinch-zooming-for-a-uiwebview-for-ios-3-0-and-newer When would i need to capture touches events recognize the gestures and the zooming work. And which is required in approximately which ios. Maybe this topic will help me and other people like me. Thanks a lot in advance iphone cocoa touch ios uiwebview..
Measuring time the vehicle takes to accelerate in iPhone http://stackoverflow.com/questions/4654864/measuring-time-the-vehicle-takes-to-accelerate-in-iphone
Is the iPhone cellular data limit enforced in 3rd party Apps? http://stackoverflow.com/questions/4742637/is-the-iphone-cellular-data-limit-enforced-in-3rd-party-apps party apps i.e. If i develop an app that tried to download a larger file will it fail Context The data file we use is approximately 50MB and many of our customers work on the road and have no access to wifi. If the limit is enforced I need to be enable..
How do I detect a touch on a UIBezierPath and move a ball along that? http://stackoverflow.com/questions/4854035/how-do-i-detect-a-touch-on-a-uibezierpath-and-move-a-ball-along-that routines... Finally here in the simplest possible fashion are the two routines to calculate equidistant points in fact approximately equidistant and the tangents of those along a bezier cubic CGFloat bezierPoint CGFloat t CGFloat a CGFloat b CGFloat c CGFloat..
When an iOS application goes to the background, are lengthy tasks paused? http://stackoverflow.com/questions/6650717/when-an-ios-application-goes-to-the-background-are-lengthy-tasks-paused this question From the iOS Application Programming Guide Your delegate ™s applicationDidEnterBackground method has approximately 5 seconds to finish any tasks and return. In practice this method should return as quickly as possible. If the method does..
How to call a function in applicationDidEnterBackground? http://stackoverflow.com/questions/7443131/how-to-call-a-function-in-applicationdidenterbackground and return. From Apple's UIApplicationDelegate Protocol Reference Your implementation of this method has approximately five seconds to perform any tasks and return. If you need additional time to perform any final tasks you can request additional..
Finding the closest point to a given point http://stackoverflow.com/questions/913576/finding-the-closest-point-to-a-given-point pay N lg N for building a spatial hash of some sort a quadtree octree hash grid or similar . Then each test will be approximately O lg N and can be much better typically by caching the last location you checked if there's a lot of coherency generally..
How to check whether two image views are in same position? http://stackoverflow.com/questions/9561991/how-to-check-whether-two-image-views-are-in-same-position I want to check whether both the images are in same place or not. 2 The position of image must not be exact.It may be approximately equal iphone objective c xcode share improve this question Here is an approach assuming the images are the same size..
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