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2014/10/15 ¤U¤È 10:05:08
iphone Programming Glossary: closelyhow can i trace the finger movement on touch for drawing smooth curves? http://stackoverflow.com/questions/1052119/how-can-i-trace-the-finger-movement-on-touch-for-drawing-smooth-curves in the Least Squares sense Assuming you can pick a reasonable NURBS knot vector this will give you a NURBS curve that closely approximates your sample points minimizing the squared distance between the samples and your curve. The NURBS curve can..
http://stackoverflow.com/questions/11173605/detecting-a-clap-in-ios in a much narrower frequency band for a sharp signal spike similar to the part you already have. I haven't looked closely at this source but here's some possible open source FFT code you could hopefully use as is for your iphone app Edit https..
Facebook iOS SDK 3.0, implement like action on a url? http://stackoverflow.com/questions/12112847/facebook-ios-sdk-3-0-implement-like-action-on-a-url URL that I've used in the explorer tool. There seems to be some referencing to it on the facebooks docs if you look closely and deep but no one explains exactly how to actually make the connection so this is my solution NSString urlToLikeFor facebookLike.titleLabel.text..
Mobile version of views for Ruby on Rails http://stackoverflow.com/questions/1284169/mobile-version-of-views-for-ruby-on-rails the same across all device types. Particularly if you are using Rails' RESTful routes your controllers should be closely matched to the domain model of your data. Whether that data is then presented to a desktop browser to an iPhone to a different..
Drag UIView around Shape Comprised of CGMutablePaths http://stackoverflow.com/questions/13664615/drag-uiview-around-shape-comprised-of-cgmutablepaths nearest point on a Bezier spline is rather complicated. Let's do it by brute force. We'll just make an array of points closely spaced along the path. The object starts out on one of those points. As we try to drag the object we'll look at the neighboring.. at the neighboring points. If either is nearer we'll move the object to that neighbor point. Even getting an array of closely spaced points along a Bezier curve is not trivial but there is a way to get Core Graphics to do it for us. We can use CGPathCreateCopyByDashingPath..
UIImage with smooth rounded corners in quartz http://stackoverflow.com/questions/14071278/uiimage-with-smooth-rounded-corners-in-quartz UIGraphicsGetImageFromCurrentImageContext UIGraphicsEndImageContext return roundedImage I looks fine unless you look closely to generated image. Corners are not smooth. How can I make corners to be smoother softer EDIT Processed image with rounded..
http://stackoverflow.com/questions/2176127/core-data-and-core-location @ lat f and lat f and lng f and lng f latMin latMax lngMin lngMax Though depending on how much data you have and how closely it's spaced you will want to use a different number than 1 Sam PS Also I haven't taken into account the fact that longitude..
How to set the text of a back button on a UINavigationBar? [duplicate] http://stackoverflow.com/questions/2197698/how-to-set-the-text-of-a-back-button-on-a-uinavigationbar share improve this question The setTitle way though may seem to work is incorrect. If you pay attention closely you will notice that the navigation item changes to the new title while the new view is animated into view via pushViewController...
http://stackoverflow.com/questions/3010363/nsarray-writetofile-fails null region Wales regionID 23 iphone file nsarray share improve this question If you read the documentation closely writeToFile atomically expects the array to contain only objects which can be written into a plist file. Only objects of..
Install Xcode 3.2.4, get “Base SDK Missing” http://stackoverflow.com/questions/3677487/install-xcode-3-2-4-get-base-sdk-missing you must compile against the 4.1 SDK with Xcode 3.2.4. If this statement confuses you study the following sentence closely The iOS SDK you compile against the Base SDK does not downward limit what iOS versions you can support. In fact there are..
ipod touch / iphone development on Windows? [duplicate] http://stackoverflow.com/questions/377672/ipod-touch-iphone-development-on-windows on a regular PC. This is not as hard as you would think although your success effort ratio will depend upon how closely the hardware in your PC matches that in Mac hardware e.g. if you're running a Core 2 Duo on an Intel Motherboard with a..
Building openears compatible language model http://stackoverflow.com/questions/5220661/building-openears-compatible-language-model said that I need to point out as the OpenEars developer that the CMU tool's limit of 5000 words corresponds pretty closely to the maximum vocabulary size that is likely to have decent accuracy and processing speed on the iPhone when using Pocketsphinx...
Are there any good online tutorials for making iPhone apps? http://stackoverflow.com/questions/668050/are-there-any-good-online-tutorials-for-making-iphone-apps sample code and documentation is the best source. The iPhone Dev Center is certainly the place to begin. You should closely read... http cocoadevcentral.com d learn_objectivec I also recommend watching how Nick Myers puts his apps together... http..
Develop iPhone applications using Microsoft Windows [duplicate] http://stackoverflow.com/questions/68196/develop-iphone-applications-using-microsoft-windows on a regular PC. This is not as hard as you would think although your success effort ratio will depend upon how closely the hardware in your PC matches that in Mac hardware e.g. if you're running a Core 2 Duo on an Intel Motherboard with a..
Indent the text in a UITextField http://stackoverflow.com/questions/7565645/indent-the-text-in-a-uitextfield here's a little more I have a UITextField on which I've set the background image. The problem is that the text hugs so closely to it's edge which is also the edge of the image. I want my text field to look like Apple's with a bit of horizontal space..
How to set up CMake to build an app for the iPhone http://stackoverflow.com/questions/822404/how-to-set-up-cmake-to-build-an-app-for-the-iphone to set up CMake to build an app for the iPhone This is closely related to my previous question which was about using CMake to build a static library on the iPhone. I got that to work..
iOS Stream Audio from one iOS Device to Another http://stackoverflow.com/questions/8357514/ios-stream-audio-from-one-ios-device-to-another memory whilst simultaneously receiving more data on a background thread. The sample project I would recommend studying closely is SpeakHere . In particular look at the classes SpeakHereController.mm and AQPlayer.mm . The controller handles things.. . The controller handles things like starting and stopping AQPlayer . AQPlayer represents an AudioQueue . Look closely at AQPlayer AQBufferCallback . That's the callback method that is invoked when the queue wants more data. You'll need to..
UIViewController -viewDidLoad not being called http://stackoverflow.com/questions/913627/uiviewcontroller-viewdidload-not-being-called some more. The problem is self.navigationController pushViewController myViewController animated YES Looking more closely in this case self.navigationController is nil so the push message is going no where. Instead if I send self.view addSubview..
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