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2014/10/15 ¤U¤È 10:13:38
iphone Programming Glossary: sadlyWhy is the Xcode compiler not warning me about invalid methods for my Deployment Target? http://stackoverflow.com/questions/10130655/why-is-the-xcode-compiler-not-warning-me-about-invalid-methods-for-my-deployment iOS 4.x The compiler is not giving me any warnings. Shouldn't it What will this do when executed on an iOS 4.0 device Sadly I don't have one to test on currently. This makes me extremely worried that there are other places where the same thing..
http://stackoverflow.com/questions/10344637/capture-60fps-in-iphone-app but presumably you want to keep them. As Brad noted in the comments writing those frames to a file is another story. Sadly no matter what configurations I tried encoding the frames via an AVAssetWriter caused the capture rate to drop to the observed..
http://stackoverflow.com/questions/18955156/ios-7-alternative-to-ctcall aware that this is a private API call and that it can change anytime but I'm still hoping to find an alternative. Sadly I'm not savvy enough to know how to find all private API that is available iphone ios ios7 iphone privateapi share improve..
Xcode 5 shows the same device twice http://stackoverflow.com/questions/19054395/xcode-5-shows-the-same-device-twice xCode 5. Additionally one of the devices will run with iOS 6.1 visual styles while the other will run with 7.0 styles. Sadly you can't tell the difference which will run with the 6.1 styles and which will run with the 7.0 styles. share improve..
http://stackoverflow.com/questions/1915478/cocoa-error-256-core-data
How to add a push button to an iPhone settings page? http://stackoverflow.com/questions/2408185/how-to-add-a-push-button-to-an-iphone-settings-page and didn't find an element type for such buttons. iphone button settings share improve this question Sadly I think you're out of luck unless you jailbreak. To create the Settings page for your app you create a plist rather than..
HTML5 offline video caching in mobile safari http://stackoverflow.com/questions/2956915/html5-offline-video-caching-in-mobile-safari
NSURLRequest cannot handle HTTP body when method is not POST? http://stackoverflow.com/questions/3469061/nsurlrequest-cannot-handle-http-body-when-method-is-not-post about http lists.apple.com archives cocoa dev 2004 May msg01847.html Basically they mention it is a bug in the code. Sadly I wished I could find something more recent that confirms it. The code I've been using is ASIHTTPRequest and it can definitely..
How to get audio volume level, and volume changed notifications on iOS 4? http://stackoverflow.com/questions/3651252/how-to-get-audio-volume-level-and-volume-changed-notifications-on-ios-4 audioVolumeChangeListenerCallback self returnvalue is 0 which means that registering the callback worked. Sadly I never get a callback to my function audioVolumeChangeListenerCallback when I press the volume buttons on my device the..
Can the iPhone4 record from both front and rear-facing camera at the same time? http://stackoverflow.com/questions/3919807/can-the-iphone4-record-from-both-front-and-rear-facing-camera-at-the-same-time and as soon as it reports a frame stop it and start the second. Then stop the second and start the first ad infinitum. Sadly the latency between requesting a session start and receiving the first frame left me with about one frame every two seconds...
Why is the MKMapView's userLocation property rubbish … for a while? http://stackoverflow.com/questions/4606539/why-is-the-mkmapviews-userlocation-property-rubbish-for-a-while userLocation is valid to use or should I just use CLLocationManager and ask it instead Thanks in advance for any help. Sadly Thomas' suggestion didn't help. What I have since discovered is If showsUserLocation is NO then userLocation is never set..
Use Key Value Observing to get a KVO callback on a UIView's frame http://stackoverflow.com/questions/4874288/use-key-value-observing-to-get-a-kvo-callback-on-a-uiviews-frame it's not possible to use KVO to observe a view's frame. Properties have to be KVO compliant to be observable. Sadly properties of the UIKit framework are generally not observable as with any other system framework. From the documentation..
What is the maximum length of a Push Notification alert text? http://stackoverflow.com/questions/6307748/what-is-the-maximum-length-of-a-push-notification-alert-text must be a specific character limit for the alert text. iphone ios push notification share improve this question Sadly the real limits are not documented anywhere. The only thing the documentation says is The maximum size allowed for a notification..
AESCrypt decryption between iOS and PHP http://stackoverflow.com/questions/6461419/aescrypt-decryption-between-ios-and-php X8 base64_decode Decrypted î jm¾ìSh^ ¢rBÿ mcrypt_rijndael_128 ¯ å«Ž ás2 u mcrypt_rijndael_128 hex2bin U ± úy´e Sadly no matter how I bend and twist this I just get jibberish. Can anyone see what I'm doing wrong php iphone ios encryption..
Cleaning up the iPhone simulator http://stackoverflow.com/questions/692064/cleaning-up-the-iphone-simulator remove all applications from your simulator I know there is some way to add scripts to the build process in XCode. Sadly I don't know how to do that. Hopefully somebody else can help with that. Also it looks as if XCode changes the GUID it uses..
Correct Singleton Pattern Objective C (iOS)? http://stackoverflow.com/questions/7598820/correct-singleton-pattern-objective-c-ios in the net to create a singleton class using GCD. Thats cool because it's thread safe with very low overhead. Sadly I could not find complete solutions but only snippets of the sharedInstance method. So I made my own class using the trial..
iphone animating frame rate and number of frames http://stackoverflow.com/questions/846458/iphone-animating-frame-rate-and-number-of-frames to me. Video is compressed in such a way that you don't need to hold all of the decompressed frames in memory at once. Sadly if you want to display video without giving over the whole screen to the built in control you are going to have to build..
Dispelling the UIImage imageNamed: FUD http://stackoverflow.com/questions/924740/dispelling-the-uiimage-imagenamed-fud it. imageNamed will not smash your windows or murder your children. It's pretty simple but it is an optimisation tool. Sadly it is badly named and there is no equivaluent that is as easy to use hence people overuse it and get upset when it simply..
OpenCV IOS real-time template matching http://stackoverflow.com/questions/10583062/opencv-ios-real-time-template-matching of where it is found and tracking it It is a markless AR with OpenCV I read some docs and books and Q A s here but sadly actually i'd like to create something like this or something like this . If anyone can send to me some source code or a..
How to implement re-ordering of CoreData records? http://stackoverflow.com/questions/1077568/how-to-implement-re-ordering-of-coredata-records Apple reference doc . Look for User Driven Updates part. So if you look for some magical one line way there's not such sadly. What you need to is make updates in this method void tableView UITableView tableView moveRowAtIndexPath NSIndexPath fromIndexPath..
Drifting yaw angle after moving fast http://stackoverflow.com/questions/13613239/drifting-yaw-angle-after-moving-fast the reported yaw angle differ from the start position for 10 20 degrees most of the time 1° . I used the old and sadly no longer available Core Motion Teapot sample to validate the effect. The Euler Angles for logging are read directly from..
How to detect and connect to a Wifi network programmatically using Apple SDK http://stackoverflow.com/questions/2341657/how-to-detect-and-connect-to-a-wifi-network-programmatically-using-apple-sdk it can be done and how. Thanks iphone sdk wifi share improve this question I was looking for the same thing but sadly those features are only available in private APIs which Apple does not allow anymore at all So there is no official way..
is it possible to set multiple color in UILabel? http://stackoverflow.com/questions/2452356/is-it-possible-to-set-multiple-color-in-uilabel example TEST can i set E to red color and another to white color iphone uilabel share improve this question Nope sadly this is not possible with UILabel. You can google some alternatives and the iPad will have NSAttributedString but with UILabel..
How to extract text contents from html like Read it later or InstaPaper Iphone app? http://stackoverflow.com/questions/5960948/how-to-extract-text-contents-from-html-like-read-it-later-or-instapaper-iphone-a webView stringByEvaluatingJavaScriptFromString @ document.body.innerText This question is what I wanted but sadly it was not for Iphone app. Instapaper like algorithm This is open source for this kind of feature but I am not sure if I..
UIDatePicker in UITextField in UITableView realtime update http://stackoverflow.com/questions/6208118/uidatepicker-in-uitextfield-in-uitableview-realtime-update text field. Now when the value is changed on the UIDatePicker instance update the active text field. But this is sadly not enough. You will face a problem with cell reuse. To counter this you will have to maintain an array of dates for each..
About Ambient Light sensor in iphone http://stackoverflow.com/questions/6408840/about-ambient-light-sensor-in-iphone
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