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2014/10/15 ¤U¤È 10:14:39
iphone Programming Glossary: suddenlyhttp://stackoverflow.com/questions/1166444/mkmapview-zoom-and-region each other. It's ok when I zoom out and see the span delta values are increasing as specified in documentation. But suddenly I drag the map without zooming and delta values become 0.0. Can somebody please explain what is the reference point to these..
What's the difference between NSNumber and NSInteger? http://stackoverflow.com/questions/1285098/whats-the-difference-between-nsnumber-and-nsinteger to be in seconds without having to deal with a struct. When you move into the graphics world where Core Graphics lives suddenly floats are all around you hovering in the air haha . So it makes sense to introduce a CGFloat there. This paragraph is all.. speedup for using 32 bits vs 64 bits so you might as well use 64 bits. If you've declared things as CGFloat 's you suddenly get that extra precision for free when you recompile. And as iKenndac has pointed out NSNumber is a wrapper class for all..
Using insert rows in a UITableView http://stackoverflow.com/questions/1470898/using-insert-rows-in-a-uitableview code to do this but the problem is that there is no smooth transition as there is in Contacts. Instead the new row suddenly appears. How can I get the animation Also how do I respond to clicks on the add new category row The row is not clickable..
iPhone 5 Optimization Requirement - Launch image really necessary? http://stackoverflow.com/questions/16552348/iphone-5-optimization-requirement-launch-image-really-necessary bar perhaps the screen looks like an empty navigation bar an empty toolbar and an empty table view which then suddenly all become populated as soon as your app really gets going is the way to go for the best user experience. If really you..
How to programatically detect earpiece in iphone? http://stackoverflow.com/questions/1832041/how-to-programatically-detect-earpiece-in-iphone player within the iPhone. However i ran into problem when the user insert his earpiece and removes it. The music will suddenly stop playing for no reason. After some testing i found out that the iPod player will pause playing when the user unplug..
UITableView : crash when adding a section footer view in empty section http://stackoverflow.com/questions/1893712/uitableview-crash-when-adding-a-section-footer-view-in-empty-section that when you delete a row the first section of your view will get shorter. By making the section header footer suddenly get taller to compensate for the last row you appear to be confusing it. Two ideas for you to try 1. try making the optional..
iPad Web App: Detect Virtual Keyboard Using JavaScript in Safari? http://stackoverflow.com/questions/2593139/ipad-web-app-detect-virtual-keyboard-using-javascript-in-safari other words if I set the window's scrollTop it will remain at 0. If on the other hand the keyboard is shown scrolling suddenly works. So I can set scrollTop immediately test its value and then reset it. Here's how that might look in code using jQuery..
Detecting Acceleration in a car (iPhone Accelerometer) http://stackoverflow.com/questions/2733249/detecting-acceleration-in-a-car-iphone-accelerometer car was actually being read very very well by the iPhone. Until I hit a slope. As soon as the angle of the car changed suddenly I was receiving accelerations and decelerations that didn't make sense and we were once again going out of sync. Talking..
http://stackoverflow.com/questions/3632084/uiwebview-rotation-on-ipad everything is also sized properly vertical scrollbar no horizontal . But if you rotate it to landscape the content suddenly gets a horizontal scrollbar because one of the paragraphs of text is wider than the width of the UIWebView. Not coincidentally..
iOS multitasking for an Audio Recording application http://stackoverflow.com/questions/3848172/ios-multitasking-for-an-audio-recording-application to make sure that the audio session is active running whatever before you switch apps the assumption is that you won't suddenly start recording playing music whatever when your app is in the background . The docs say that audio lets you play audio..
http://stackoverflow.com/questions/3929718/xcode-suddenly-very-slow suddenly very slow My Xcode speed has come down to a crawl. I have no idea why. CPU activity is very low on both cores gobs of memory...
How do I reset after a UIScrollView zoom? http://stackoverflow.com/questions/448285/how-do-i-reset-after-a-uiscrollview-zoom transform resets itself to whatever zoom level it was at and so it looks like if I was zoomed to 2x for example it's suddenly at 4x. When I finish the zoom it ends up at the correct scale but the actual act of zooming looks bad. So first how do I..
Slight zoom on MKCoordinateRegion? http://stackoverflow.com/questions/4724176/slight-zoom-on-mkcoordinateregion problem of getting the best fit for pins I found that something changed in iOS 4 and the code I'd used to fit pins suddenly gave too much space. I divided the deltas by 3 and it worked again. You might want to wrap this in a conditional to target..
iPad/iPhone uiSearchbar transparent background http://stackoverflow.com/questions/4943994/ipad-iphone-uisearchbar-transparent-background UIColor clearColor searchBar.subviews objectAtIndex 0 removeFromSuperview and it worked nicely... but suddenly it stopped. could be since I upgraded my xcode version but I am not sure. I spent a couple of hours already investigating..
How to disable iOS System Sounds http://stackoverflow.com/questions/6284402/how-to-disable-ios-system-sounds playing iPod music or music from another app and an e mail comes through you'd be amazed how LOUD ANNOYING that e mail suddenly becomes when going through our accessory. It's even possible it could damage equipment. D iphone ios ipad share improve..
Xcode not compiling any project? 'clang failed with exit code 255' http://stackoverflow.com/questions/8023563/xcode-not-compiling-any-project-clang-failed-with-exit-code-255 c xcode share improve this question I just had that same error same situation the code worked totally fine then suddenly has that error message . For me I just closed the simulator and opened it again then xCode does not complain anymore. Have..
Error in Xcode getting debugging info from 5.0.1 iphone http://stackoverflow.com/questions/8114467/error-in-xcode-getting-debugging-info-from-5-0-1-iphone and attempted to use his device for development. It worked fine and I noticed my iOS DeviceSupport 5.0.1 9A405 folder suddenly had many many more files. I then connected my problematic iPad and bam it just worked. I attempted restoring recovering..
Facebook Connect error: can't post to wall in iPhone http://stackoverflow.com/questions/8337697/facebook-connect-error-cant-post-to-wall-in-iphone Connect error can't post to wall in iPhone My app just suddenly can't post to wall I've tried to change my api key and secret key but still there was no success of posting my message and..
How to capture current view screenshot and reuse in code? (iPhone SDK) http://stackoverflow.com/questions/879064/how-to-capture-current-view-screenshot-and-reuse-in-code-iphone-sdk the currently displayed view is inappropriate conceptually. Simply disabling the animation and swapping the views suddenly is tolerable but is far below the polish I'm building into the rest of the app. What I would prefer to do is this When shouldAutorotateToInterfaceOrientation..
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