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2014/10/15 ¤U¤È 10:15:07
iphone Programming Glossary: twiceHow to detect iPhone 5 (widescreen devices)? http://stackoverflow.com/questions/12446990/how-to-detect-iphone-5-widescreen-devices to create an application that runs on both iPhone 4 and 5 of course I have to build every window twice but I also have to detect whether the user has an iPhone with 3.5 or 4 screen and then apply the view...
UIScrollView. Any thoughts on implementing “infinite” scroll/zoom? http://stackoverflow.com/questions/1493950/uiscrollview-any-thoughts-on-implementing-infinite-scroll-zoom the zoom factor to 1.0. For example if you're scrolling an image and it gets zoomed to appear twice as large programmatically apply some kind of transform to make the image twice as large then reset the.. zoomed to appear twice as large programmatically apply some kind of transform to make the image twice as large then reset the scroll view's zoom factor to 1.0. The image will still appear zoomed in but..
How do I reset the scale/zoom of a web app on an orientation change on the iPhone? http://stackoverflow.com/questions/2557801/how-do-i-reset-the-scale-zoom-of-a-web-app-on-an-orientation-change-on-the-iphon scaled up. To get it to scale correctly for the landscape mode I have to double tap on something twice first to zoom all the way in the normal double tap behavior and again to zoom all the way out again..
iPhone - Backgrounding to poll for events http://stackoverflow.com/questions/4656214/iphone-backgrounding-to-poll-for-events application expirationHandler ^ ... because your app may crash if you initialize expirationHandler twice. dispatch_block_t expirationHandler expirationHandler ^ app endBackgroundTask bgTask bgTask UIBackgroundTaskInvalid..
Example or explanation of Core Data Migration with multiple passes? http://stackoverflow.com/questions/5995231/example-or-explanation-of-core-data-migration-with-multiple-passes 1 Events to the two new entities and convert the values along the migration. This results in twice the values each as a different type in a separate entitiy. To migrate we choose migration by hand and..
Reading HTML content from a UIWebView http://stackoverflow.com/questions/992348/reading-html-content-from-a-uiwebview error &error EDIT Both these methods take a performance hit however since they do the request twice. You can get around this by grabbing the content from a currently loaded UIWebView using its stringByEvaluatingJavascriptFromString..
How to detect iPhone 5 (widescreen devices)? http://stackoverflow.com/questions/12446990/how-to-detect-iphone-5-widescreen-devices size to your view controller in the storyboard. Now if I want to create an application that runs on both iPhone 4 and 5 of course I have to build every window twice but I also have to detect whether the user has an iPhone with 3.5 or 4 screen and then apply the view. How should I do that iphone ios objective c screen device..
UIScrollView. Any thoughts on implementing “infinite” scroll/zoom? http://stackoverflow.com/questions/1493950/uiscrollview-any-thoughts-on-implementing-infinite-scroll-zoom data you're presenting so that it appears zoomed then reset the zoom factor to 1.0. For example if you're scrolling an image and it gets zoomed to appear twice as large programmatically apply some kind of transform to make the image twice as large then reset the scroll view's zoom factor to 1.0. The image will still appear.. to 1.0. For example if you're scrolling an image and it gets zoomed to appear twice as large programmatically apply some kind of transform to make the image twice as large then reset the scroll view's zoom factor to 1.0. The image will still appear zoomed in but the scroll view will be able to continue zooming in further..
How do I reset the scale/zoom of a web app on an orientation change on the iPhone? http://stackoverflow.com/questions/2557801/how-do-i-reset-the-scale-zoom-of-a-web-app-on-an-orientation-change-on-the-iphon mode it works fine. Then I rotate into landscape and it's scaled up. To get it to scale correctly for the landscape mode I have to double tap on something twice first to zoom all the way in the normal double tap behavior and again to zoom all the way out again the normal double tap behavior . When it zooms out it zooms..
iPhone - Backgrounding to poll for events http://stackoverflow.com/questions/4656214/iphone-backgrounding-to-poll-for-events else i.e. void applicationDidFinishLaunching UIApplication application expirationHandler ^ ... because your app may crash if you initialize expirationHandler twice. dispatch_block_t expirationHandler expirationHandler ^ app endBackgroundTask bgTask bgTask UIBackgroundTaskInvalid bgTask app beginBackgroundTaskWithExpirationHandler..
Example or explanation of Core Data Migration with multiple passes? http://stackoverflow.com/questions/5995231/example-or-explanation-of-core-data-migration-with-multiple-passes store a date as NSString . The goal is to transfer all Version 1 Events to the two new entities and convert the values along the migration. This results in twice the values each as a different type in a separate entitiy. To migrate we choose migration by hand and this we do with mapping models. This is also the first part..
Reading HTML content from a UIWebView http://stackoverflow.com/questions/992348/reading-html-content-from-a-uiwebview requestURL encoding NSASCIIStringEncoding error &error EDIT Both these methods take a performance hit however since they do the request twice. You can get around this by grabbing the content from a currently loaded UIWebView using its stringByEvaluatingJavascriptFromString method as such NSString html..
How to detect iPhone 5 (widescreen devices)? http://stackoverflow.com/questions/12446990/how-to-detect-iphone-5-widescreen-devices Now if I want to create an application that runs on both iPhone 4 and 5 of course I have to build every window twice but I also have to detect whether the user has an iPhone with 3.5 or 4 screen and then apply the view. How should I do that..
Get notified when UITableView has finished asking for data? http://stackoverflow.com/questions/1483581/get-notified-when-uitableview-has-finished-asking-for-data being. However this seems rather nasty as I assume it is causing the data source to be asked for the same information twice once automatically and once because of the reloadData call when it is first loaded. The reason I want to do this at all..
UIScrollView. Any thoughts on implementing “infinite” scroll/zoom? http://stackoverflow.com/questions/1493950/uiscrollview-any-thoughts-on-implementing-infinite-scroll-zoom zoomed then reset the zoom factor to 1.0. For example if you're scrolling an image and it gets zoomed to appear twice as large programmatically apply some kind of transform to make the image twice as large then reset the scroll view's zoom.. an image and it gets zoomed to appear twice as large programmatically apply some kind of transform to make the image twice as large then reset the scroll view's zoom factor to 1.0. The image will still appear zoomed in but the scroll view will..
How do I reset the scale/zoom of a web app on an orientation change on the iPhone? http://stackoverflow.com/questions/2557801/how-do-i-reset-the-scale-zoom-of-a-web-app-on-an-orientation-change-on-the-iphon landscape and it's scaled up. To get it to scale correctly for the landscape mode I have to double tap on something twice first to zoom all the way in the normal double tap behavior and again to zoom all the way out again the normal double tap..
UILongPressGestureRecognizer gets called twice when pressing down http://stackoverflow.com/questions/3319591/uilongpressgesturerecognizer-gets-called-twice-when-pressing-down gets called twice when pressing down I am detecting if the user has pressed down for 2 seconds UILongPressGestureRecognizer longPress UILongPressGestureRecognizer.. press void handleLongPress UILongPressGestureRecognizer recognizer NSLog @ double oo The text double oo gets printed twice when I press down for longer than 2 seconds. Why is this How can I fix iphone objective c cocoa touch gesture recognition..
Check for private API “usage” yourself? http://stackoverflow.com/questions/3546046/check-for-private-api-usage-yourself in iOS apps. I have no problem with this as there are sound technical reasons for why this is a good idea. However twice now I've had an app rejected for using private APIs when this was not actually the case. It's not difficult the private..
Getting displacement from accelerometer data with Core Motion http://stackoverflow.com/questions/4449565/getting-displacement-from-accelerometer-data-with-core-motion acceleration in some istant with known time difference . Looking some other answers it seems like I have to integrate twice to get velocity from acceleration and then position from velocity. But there is no example in code whatsoever and I don't.. e.g x but consider both left x and right x to have a representable situation. Yes you are right you have to integrate twice to get the position as function of time. And for further processing you should store the first integration's result velocity.. period of time. Always bear in mind that even a very small error e.g. 0.1 will grow rapidly after doing integration twice. Situation will become even worse after one second if you configure accelerometer with let's say 50 Hz i.e. 50 ticks are..
iPhone - Backgrounding to poll for events http://stackoverflow.com/questions/4656214/iphone-backgrounding-to-poll-for-events UIApplication application expirationHandler ^ ... because your app may crash if you initialize expirationHandler twice. dispatch_block_t expirationHandler expirationHandler ^ app endBackgroundTask bgTask bgTask UIBackgroundTaskInvalid bgTask..
Can you make the settings in Settings.bundle default even if you don't open the Settings App http://stackoverflow.com/questions/510216/can-you-make-the-settings-in-settings-bundle-default-even-if-you-dont-open-the touch share improve this question If I understood you correctly you want to avoid having default values specified twice once as DefaultValue keys in your Settings.bundle Root.plist file and once in your app initialization code so you do not..
http://stackoverflow.com/questions/5214197/simple-iphone-motion-detect
iOS: Movement Precision in 3D Space http://stackoverflow.com/questions/5550453/ios-movement-precision-in-3d-space gps accelerometer gyroscope share improve this question No not really. If you integrate the accelerometer values twice you get position but the error is horrible. It is useless in practice. Here is an explanation why Google Tech Talk at 23..
Example or explanation of Core Data Migration with multiple passes? http://stackoverflow.com/questions/5995231/example-or-explanation-of-core-data-migration-with-multiple-passes to transfer all Version 1 Events to the two new entities and convert the values along the migration. This results in twice the values each as a different type in a separate entitiy. To migrate we choose migration by hand and this we do with mapping..
Distance moved by Accelerometer http://stackoverflow.com/questions/6645126/distance-moved-by-accelerometer xcode accelerometer distance share improve this question You get position by integrating the linear acceleration twice but the error is horrible. It is useless in practice. Here is an explanation why Google Tech Talk at 23 20. I highly recommend..
Reading HTML content from a UIWebView http://stackoverflow.com/questions/992348/reading-html-content-from-a-uiwebview NSASCIIStringEncoding error &error EDIT Both these methods take a performance hit however since they do the request twice. You can get around this by grabbing the content from a currently loaded UIWebView using its stringByEvaluatingJavascriptFromString..
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