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2014/10/15 ¤U¤È 10:10:06
iphone Programming Glossary: holdsUITableView: deleting sections with animation http://stackoverflow.com/questions/1061071/uitableview-deleting-sections-with-animation NSIndexPath indexPath if editingStyle UITableViewCellEditingStyleDelete modelForSection is a custom model object that holds items for this section. modelForSection removeItem self itemForRowAtIndexPath indexPath tableView beginUpdates Either delete..
iPhone: How to Pass Data Between Several Viewcontrollers in a Tabbar App http://stackoverflow.com/questions/2363777/iphone-how-to-pass-data-between-several-viewcontrollers-in-a-tabbar-app me some code example Edit To pass data between several views classes etc simply create some Kind of data class which holds the data beeing shared between several classes. For more information follow the link Singleton iphone objective c uiviewcontroller..
Re-Apply currency formatting to a UITextField on a change event http://stackoverflow.com/questions/2388448/re-apply-currency-formatting-to-a-uitextfield-on-a-change-event Apply currency formatting to a UITextField on a change event I'm working with a UITextField that holds a localized currency value. I've seen lots of posts on how to work with this but my question is how do I re apply currency..
How to integrate NSURLConnection with UIProgressView? http://stackoverflow.com/questions/312796/how-to-integrate-nsurlconnection-with-uiprogressview NSLog @ progress f resourceLength floatValue self.filesize floatValue As you can see the resourceData member variable holds the file data as it is being downloaded. The filesize member variable holds the full size of the file as returned by my.. can see the resourceData member variable holds the file data as it is being downloaded. The filesize member variable holds the full size of the file as returned by my web service in its Content Length header. It all works sort of OK I keep getting.. filesize 1.000000 progress 2904616.000000 For reference progressView.progress is a float. filesize is a NSNumber that holds a long long. Finally resourceLength is a NSNumber that holds a NSUInteger. What am I missing here iphone objective c cocoa..
http://stackoverflow.com/questions/402/iphone-app-in-landscape-mode
http://stackoverflow.com/questions/4089238/implementing-nscopying nonatomic retain NSMutableArray fees id initFromVehicleDictionary NSDictionary vehicleDictionary @end So Vendor holds an array of Car objects. Car holds 2 arrays of other custom objects. Both Vendor and Car are init from a dictionary. I'll.. fees id initFromVehicleDictionary NSDictionary vehicleDictionary @end So Vendor holds an array of Car objects. Car holds 2 arrays of other custom objects. Both Vendor and Car are init from a dictionary. I'll add one of these methods they may.. I need to implement the NSCopying protocol on Vendor which may mean I need to implement it also on Car since Vendor holds an array of Car s. That means I also need to implement it on the classes that are held in the 2 arrays belonging to the..
How programatically move a UIScrollView to focus in a control above keyboard? http://stackoverflow.com/questions/484855/how-programatically-move-a-uiscrollview-to-focus-in-a-control-above-keyboard c iphone user interface share improve this question Here's what worked for me. Having an instance variable that holds the value of the UIScrollView's offset before the view is adjusted for the keyboard so you can restore the previous state..
Repeating NSTimer, weak reference, owning reference or iVar? http://stackoverflow.com/questions/4945028/repeating-nstimer-weak-reference-owning-reference-or-ivar becomes more fragile it cannot simply be retain release managed instead you need to ensure that the client that holds the last reference to this object makes it invalidate the timer before it disposes of it. Let me illustrate the situation..
iOS: Movement Precision in 3D Space http://stackoverflow.com/questions/5550453/ios-movement-precision-in-3d-space technique maybe with the accelerometer and gyroscope that would enable this degree of accuracy For example the user holds the phone flat so that the bottom of the phone runs parallel with the floor . There is something drawn on screen which doesn't..
How do I create delegates in Objective-C? http://stackoverflow.com/questions/626898/how-do-i-create-delegates-in-objective-c itself is typically declared weak in ARC or assign pre ARC to avoid retain loops since the delegate of an object often holds a strong reference to that object. For example a view controller is often the delegate of a view it contains. To define..
http://stackoverflow.com/questions/6300756/long-polling-in-objective-c if the server does not have any information available for the client instead of sending an empty response the server holds the request and waits for some information to be available. Once the information becomes available or after a suitable timeout..
QLPreviewController remove or add UIBarButtonItems http://stackoverflow.com/questions/6957091/qlpreviewcontroller-remove-or-add-uibarbuttonitems you just need to re add your custom buttons. To add your custom buttons you should create a UIBarButtonItem that holds a custom view with four buttons in it. Then set the right bar button item as the custom UIBarButtonItem you created. Update..
What major ASIHTTPRequest features is AFNetworking missing? http://stackoverflow.com/questions/7529258/what-major-asihttprequest-features-is-afnetworking-missing I want to be able to cancel all operations inside the operation queue and then dismiss the view controller that holds the results. That doesn't always work. I get crashes at random times with AFNetworking while with ASIHTTPRequest this operations..
Retain Cycles: Why is that such a bad thing? http://stackoverflow.com/questions/791322/retain-cycles-why-is-that-such-a-bad-thing guess there must be someone releases it. Or does this problem only apply in a case where A does not create B but just holds a strong reference to it through retaining it in an instance variable I still don't see why that connection could not be..
Internal clock in iPhone background mode http://stackoverflow.com/questions/9564823/internal-clock-in-iphone-background-mode went to sleep and after it awakes. The best available way I know of to check for date changes is kern.boottime it holds the boot time and is modified whenever the system time changes. Among other things kern.boottime will be updated if the..
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