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iphone Programming Glossary: benI have formula in a NSString… How to evaluate it [duplicate] http://stackoverflow.com/questions/12500232/i-have-formula-in-a-nsstring-how-to-evaluate-it @ A B 1 100 Now I can replace A by 20 and B by 10. But how will get calculated value that is 20 10 1 100 as 100 Thanks Ben iphone objective c ios share improve this question You can replace the characters by this method NSString formulaString..
Mobile version of views for Ruby on Rails http://stackoverflow.com/questions/1284169/mobile-version-of-views-for-ruby-on-rails While the applications follow a structure at the moment they could go off in different directions.. Thank you Ben iphone ruby on rails windows mobile mobile share improve this question I would strongly recommend leaving the controller..
When to use CALayer on the Mac/iPhone? http://stackoverflow.com/questions/1447598/when-to-use-calayer-on-the-mac-iphone his comment UIViews are a thin wrapper around CALayers. On the Mac CALayers are much more lightweight than NSViews. As Ben points out you can go beyond the capabilities of implicit animations by working directly with CALayers even providing some..
Picking video from PhotoLibrary with UIImagePickerController in OS 3.1 http://stackoverflow.com/questions/1533180/picking-video-from-photolibrary-with-uiimagepickercontroller-in-os-3-1 anyone managed to pick a video from the photo library If yes did it only work on the 3gs or on the 3G as well Regards Ben iphone iphone sdk 3.1 iphone 3gs share improve this question I got the imagepicker working on a 3g and a 3gs to pick..
Selected UItableViewCell staying blue when selected http://stackoverflow.com/questions/2803061/selected-uitableviewcell-staying-blue-when-selected the super implementation in your class' own viewDidAppear . Update 30 Oct 2013 well this is a popular answer As Ben rightly points out in the comments UITableViewController actually does this in viewWillAppear not viewDidAppear this is..
Suppressing line specific XCode compiler warnings http://stackoverflow.com/questions/2853184/suppressing-line-specific-xcode-compiler-warnings line specific XCode compiler warnings Similar to Ben Gottlieb's question I have a handful of deprecated calls that are bugging me. Is there a way to suppress warnings by line..
How to convert an NSString to hex values http://stackoverflow.com/questions/3056757/how-to-convert-an-nsstring-to-hex-values write a category for NSString that exactly duplicates the Java methods I posted. Here it is NSString hex.h Created by Ben Baron on 10 20 10. @interface NSString hex NSString stringFromHex NSString str NSString stringToHex NSString str @end NSString.. NSString hex NSString stringFromHex NSString str NSString stringToHex NSString str @end NSString hex.m Created by Ben Baron on 10 20 10. #import NSString hex.h @implementation NSString hex NSString stringFromHex NSString str NSMutableData..
iOS 4 app crashes at startup on iOS 3.1.3: Symbol not found: __NSConcreteStackBlock http://stackoverflow.com/questions/3313786/ios-4-app-crashes-at-startup-on-ios-3-1-3-symbol-not-found-nsconcretestackbl usr lib libSystem.B.dylib Thanks for any advice iphone ios ios4 share improve this question Ben Gottlieb pointed out yesterday that if you use blocks anywhere in your application you'll see a crash similar to this on..
UIScrollView Infinite Scrolling http://stackoverflow.com/questions/3430267/uiscrollview-infinite-scrolling 4476.000000 4473.000000 4470.000000 4467.500000 4464.000000 4460.500000 4457.500000 etc.... Any ideas Thanks Ben. iphone uiscrollview share improve this question It could be that whatever is setting those numbers in there is not..
How to upload a file to the server in iPhone SDK? http://stackoverflow.com/questions/3465361/how-to-upload-a-file-to-the-server-in-iphone-sdk upload them. ASIFormDataRequest request ASIFormDataRequest alloc initWithURL url autorelease request setPostValue @ Ben forKey @ first_name request setPostValue @ Copsey forKey @ last_name request setFile @ Users ben Desktop ben.jpg forKey..
How do I apply a perspective transform to a UIView? http://stackoverflow.com/questions/347721/how-do-i-apply-a-perspective-transform-to-a-uiview code snippets would be really appreciated iphone ios cocoa touch core animation share improve this question As Ben said you'll need to work with the UIView's layer using a CATransform3D to perform the layer's rotation. The trick to get..
UITextField in UIAlertView on iPhone - how to make it responsive? http://stackoverflow.com/questions/376104/uitextfield-in-uialertview-on-iphone-how-to-make-it-responsive textField @end My question is how do I get the text the user entered and how do I dismiss the keyboard Thanks Ben iphone cocoa touch share improve this question Anyone supporting iOS 5.0 onwards there's this direct alertViewStyle..
Storing passwords in iPhone applications http://stackoverflow.com/questions/523627/storing-passwords-in-iphone-applications and it seems like I should be using NSUserDefaults .. iphone passwords share improve this question I agree with Ben. This is exactly what the Keychain is for. I would not under any circumstances simply store passwords in the defaults as..
Background GPS in iOS. Is this possible? http://stackoverflow.com/questions/5526403/background-gps-in-ios-is-this-possible when it arrives at a certain coordinate. Is this possible If so could someone put me in the right direction Thanks Ben iphone objective c ios gps core location share improve this question Yes it is possible. Your application can ask to..
iOS CVImageBuffer distorted from AVCaptureSessionDataOutput with AVCaptureSessionPresetPhoto http://stackoverflow.com/questions/6540710/ios-cvimagebuffer-distorted-from-avcapturesessiondataoutput-with-avcapturesessio ios4.3 iphone ios image processing opengl es opengl es 2.0 share improve this question This was a doozy. As Lio Ben Kereth pointed out the padding is 48 as you can see from the debugger gdb po pixelBuffer CVPixelBuffer 0x2934d0 width 852..
Easiest way to determine whether iPhone internet connection is available? http://stackoverflow.com/questions/784582/easiest-way-to-determine-whether-iphone-internet-connection-is-available like overkill for the app... Is there a quick and easy way to determine network availability on the iPhone Thanks Ben iphone iphone web share improve this question Follow following 3 easy steps Step 1 Include SystemConfiguration.framework..
NSURLRequest - encode url for NSURLRequest POST Body (iPhone objective-C) http://stackoverflow.com/questions/787582/nsurlrequest-encode-url-for-nsurlrequest-post-body-iphone-objective-c overkill for what I needed . iphone objective c cocoa cocoa touch http share improve this question Consider using Ben Copsey's ASIHTTPRequest framework for generating and sending synchronous and asynchronous HTTTP requests POST and GET ASIFormDataRequest..
Is it safe to still use ASIHTTPRequest? http://stackoverflow.com/questions/8109203/is-it-safe-to-still-use-asihttprequest it safe to still use ASIHTTPRequest Ben Copsey has abandoned ASIHTTPRequest. It has been announced almost two months ago but I just realized it. I'm in the middle.. it iphone asihttprequest share improve this question If it works for you already there is no point replacing it. Ben has only stopped development of it himself that doesn't mean others are not free to continue developing it. It just means..
UINavigationController popToRootViewController, and then immediately push a new view http://stackoverflow.com/questions/954982/uinavigationcontroller-poptorootviewcontroller-and-then-immediately-push-a-new was not refreshed but stuck at the screen of rootViewController peersViewController . Am I doing anything wrong Ben. Edited like 15 minutes after posting the question. I'd found a workaround but it bothers me that pop and then push doesn't..
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