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2014/10/15 ¤U¤È 10:05:26
iphone Programming Glossary: confusediPhone - Why does the documentation say UIImageView is NSCoding compliant? http://stackoverflow.com/questions/1072700/iphone-why-does-the-documentation-say-uiimageview-is-nscoding-compliant can implement the initWithCoder and encodeWithCoder methods Can someone please clarify this for me I am thoroughly confused iphone uiimageview nscoding share improve this question The documentation is misleading UIImage does not conform to..
When to use CALayer on the Mac/iPhone? http://stackoverflow.com/questions/1447598/when-to-use-calayer-on-the-mac-iphone to use CALayer on the Mac iPhone I'm slightly confused when to use CALayer on the iPhone or Mac and when not to use it CoreAnimation works just fine on my UIView based objects..
Break on EXC_BAD_ACCESS in XCode? http://stackoverflow.com/questions/1622079/break-on-exc-bad-access-in-xcode release return self I removed the array release line and it no longer gives me the EXC_BAD_ACCESS signal but I'm now confused about why this works. I thought that when I used the property it automatically retained it for me and thus I should release.. retained it for me and thus I should release it from within init so that I don't have a leak. I'm thoroughly confused about how this works and all the guides and Stackoverflow questions I've read only confuse me more about how to set properties..
Z-ordering of MKAnnotationViews http://stackoverflow.com/questions/1681565/z-ordering-of-mkannotationviews is that now the callout views are no longer always on top to the annotation views. The MapKit seems to get very confused about the layers callouts should be drawn in a layer above all annotation views . I can even figure out how it is getting.. the layers callouts should be drawn in a layer above all annotation views . I can even figure out how it is getting confused since all the MKAnnotationViews you receive have the same superview a private class MKOverlayView . You would think any..
http://stackoverflow.com/questions/2240765/nsdata-to-uiimage data to no avail. When I step through the debugger I do see that data contains the correct number of bytes but I'm confused as to why my image is not being created. Am I missing a step Do I need to do something with NSData before converting to..
http://stackoverflow.com/questions/2247647/offset-on-uiwindow-addsubview So something must be wrong with the MainWindow nib right But the UITabBarController displays just fine. I am a little confused and running out of ideas here. Any suggestions how to track this down iphone cocoa touch share improve this question..
UITableView Core Data reordering http://stackoverflow.com/questions/2360938/uitableview-core-data-reordering I know this question has been asked before and I took a look at the answer to this question . However I'm still confused as to how to implement reordering with a UITableView in a Core Data project. What I know is that I need to have a displayOrder..
Accessing the iPhone's Call log with the iPhone SDK http://stackoverflow.com/questions/341622/accessing-the-iphones-call-log-with-the-iphone-sdk however I have no proof at this stage. However I can access the address book without any issues so I'm a little confused. Thanks iphone cocoa touch share improve this question There is no access to the call log from Cocoa Touch or other..
Want to display a 3D model on the iPhone: how to get started? http://stackoverflow.com/questions/413919/want-to-display-a-3d-model-on-the-iphone-how-to-get-started it seems geared towards the Model View Controller paradigm which doesn't seem that suited for 3D apps. Basically I'm confused about what my first steps should be. iphone ios opengl es share improve this question You should probably start with..
How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar http://stackoverflow.com/questions/4471289/how-to-filter-nsfetchedresultscontroller-coredata-with-uisearchdisplaycontroll the data for the primary TableView. I want to make sure I'm on the right path before I change too much code. I'm confused because so many of the examples are array based instead of CoreData. Here are some questions Do I need to have a second..
Invalid iPhone Application Binary http://stackoverflow.com/questions/47941/invalid-iphone-application-binary store code signing itunesconnect share improve this question It's been my experience that Xcode occasionally gets confused about which signing certificate to use. I got into the habit of quitting and restarting Xcode after any change to the code..
Xcode 4: create IPA file instead of .xcarchive http://stackoverflow.com/questions/5265292/xcode-4-create-ipa-file-instead-of-xcarchive than a single target say an app and a library. All of them end up in the build products folder and Xcode gets naïvely confused about how to package them both into an .ipa file so it merely disables the option. A way to solve this is as follows go..
What's the best way to communicate between view controllers? http://stackoverflow.com/questions/569940/whats-the-best-way-to-communicate-between-view-controllers I wish the videos were available Ok so... I'm afraid my objc fu is not so strong. I'm also a bit confused by the final line in the above quote. I've been doing my fair share of googling about this and I found what appears to be..
Understanding reference counting with Cocoa and Objective-C http://stackoverflow.com/questions/6578/understanding-reference-counting-with-cocoa-and-objective-c SDK. I'm reasonably comfortable with C's malloc and free concept but Cocoa's references counting scheme has me rather confused. I'm told it's very elegant once you understand it but I'm just not over the hump yet. How do release retain and autorelease..
Create a UIImage from two other UIImages on the iPhone http://stackoverflow.com/questions/679245/create-a-uiimage-from-two-other-uiimages-on-the-iphone seems to work. What I wanna do appears simple create a UIImage and draw part of another UIImage into it I got a bit confused with the context and layers and stuff. Could someone please explain how to write something like that efficiently with example..
GPS coordinates in degrees to calculate distances http://stackoverflow.com/questions/6994101/gps-coordinates-in-degrees-to-calculate-distances B. Then calculate the distance perpendicular between the line from A to B and another point C. The problem is I get confused with the values in degrees. I would like to have the result in meters. What's the conversion needed How will the final formula..
Is ARC really supported in iOS 4? The iOS 4.2 SDK is missing ARC-related symbols at linking time http://stackoverflow.com/questions/7747783/is-arc-really-supported-in-ios-4-the-ios-4-2-sdk-is-missing-arc-related-symbols find . type f xargs nm grep i _objc_retain ... crickets ... Does this mean that Apple lied I assume instead that I'm confused and doing something wrong but I can't figure out what. This is with the GM release of Xcode 4.2 Build 4C199 iphone ios..
Basic HTTP Authentication on iPhone http://stackoverflow.com/questions/993409/basic-http-authentication-on-iphone that apple won't allow apps that use crypto libraries which doesn't make sense to me. So now I'm kinda stuck and confused. What's the easiest way to get basic authentication into my app Cheers iphone objective c httpwebrequest http authentication..
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