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2014/10/15 ¤U¤È 10:09:28
iphone Programming Glossary: furthermoreUIWebViewNavigationTypeOther Vs UIWebViewNavigationTypeLinkClicked http://stackoverflow.com/questions/10029383/uiwebviewnavigationtypeother-vs-uiwebviewnavigationtypelinkclicked link if the change is done from within Javascript onclick event for example UIWebViewNavigationTypeOther is used. Furthermore UIWebViewNavigationTypeOther is used if you first load a page or you'll be redirected by a meta refresh or something share..
NSManagedObjectContext performBlockAndWait: doesn't execute on background thread? http://stackoverflow.com/questions/11831946/nsmanagedobjectcontext-performblockandwait-doesnt-execute-on-background-thread then that block will execute in the calling thread. This is documented and reasserted in several WWDC presentations . Furthermore performBockAndWait is re entrant so nested calls all happen right in that calling thread. The Core Data engineers have been.. with everything submitted to the queue . I hope that makes sense though it probably just caused more confusion. EDIT Furthermore you can see the unspoken implications of this in that the way in which performBlockAndWait provides re entrant support breaks..
Mobile Safari: Javascript focus() method on inputfield only works with click? http://stackoverflow.com/questions/12204571/mobile-safari-javascript-focus-method-on-inputfield-only-works-with-click you must do it synchronously such as with the deprecated but still available .ajax async false option in jQuery. 2 Furthermore and this one kept me busy for a while focus still doesn't seem to work if some other textbox is focused at the time. I had..
Attempting to deploy my app on my jailbroken iphone, but the app closes immediately! http://stackoverflow.com/questions/1285980/attempting-to-deploy-my-app-on-my-jailbroken-iphone-but-the-app-closes-immediat deploy my app set all file permissions to 777 and respring the application closes immediately when I try to launch it. Furthermore it does not have the auto gloss xcode shows in the iphone simulator so what gives I've generated the cert via keychain access..
What is mach_absolute_time based on on iPhone http://stackoverflow.com/questions/1450737/what-is-mach-absolute-time-based-on-on-iphone 07 42 14 0100 I'm absolutely certain I did not reboot my device at that time. My device hasn't been booted in a week. Furthermore when I unhook my device from the cable and run this app it seems that when the device goes to sleep the lastRebootTime starts..
iPhone 5 Optimization Requirement - Launch image really necessary? http://stackoverflow.com/questions/16552348/iphone-5-optimization-requirement-launch-image-really-necessary use. As soon as your app is ready for use your app displays its first screen replacing the launch placeholder image. Furthermore Generally design a launch image that is identical to the first screen of the app. So really making a launch image that is..
CoreData: “Dangling reference to an invalid object.” error http://stackoverflow.com/questions/2003648/coredata-dangling-reference-to-an-invalid-object-error objects of types dumped in NSAffectedObjectsErrorKey and NSValidationErrorValue . But all these objects are valid. Furthermore this happens randomly sometimes it happens sometimes not and sometimes the list dumped in NSValidationErrorValue is longer..
Rotate UIViewController to counteract changes in UIInterfaceOrientation http://stackoverflow.com/questions/2489845/rotate-uiviewcontroller-to-counteract-changes-in-uiinterfaceorientation toOrientation UIInterfaceOrientationLandscapeLeft which seems like a perfectly good waste of code. Furthermore I was planning on using CGAffineTransform like cited here http www.crystalminds.nl p 1102 but I'm confused about whether..
Core Data Inferred Migration ??Automatic “lightweight” vs Manual http://stackoverflow.com/questions/2535373/core-data-inferred-migration-automatic-lightweight-vs-manual The only real difference is the time to load the model from the bundle is slightly quicker than inferring at runtime. Furthermore once a mapping model is bundled in the app the automatic migration ceases to be lightweight I assume it is using the bundled..
What files do I need to distribute if requested to comply with LGPL in an iPhone app? http://stackoverflow.com/questions/3314122/what-files-do-i-need-to-distribute-if-requested-to-comply-with-lgpl-in-an-iphone allow dynamic linkage in iPhone apps except to the included libraries if you try to use a .dylib you will be rejected. Furthermore even if you could use a dylib there is no way for the end user to update it having the source does them no good. Some more..
Bold & Non-Bold Text In A Single UILabel? http://stackoverflow.com/questions/3586871/bold-non-bold-text-in-a-single-uilabel support attributed strings which means we don't need to create CATextLayer s as our recipient for attributed strings. Furthermore to make the attributed string we don't need to play with CoreText anymore We have new classes in obj c Foundation.framework..
Mobile developer interview questions, that a non-mobile developer can ask [closed] http://stackoverflow.com/questions/4391495/mobile-developer-interview-questions-that-a-non-mobile-developer-can-ask You just can't build finished working production mobile device apps unless you are a memory expert on your platform. Furthermore someone who's really good at iPhone memory management is usually good at everything else on the iPhone. If I could only..
current location without using gps http://stackoverflow.com/questions/5786762/current-location-without-using-gps of locating a device . Also here is a good starting point for learning about programming with Location Services. Furthermore you can dive right into the CoreLocation framework documentation and learn about everything you can do using Location Services..
Moving a Stick figure, anchorpoints, animation, or something else…? http://stackoverflow.com/questions/7808981/moving-a-stick-figure-anchorpoints-animation-or-something-else representation of a node and its position. Thus it is bad design to modify the anchorPoint for gameplay objects. Furthermore rotation or scaling will always be centered on the anchorPoint. Modifying the anchorPoint can result in undesirable behavior..
What are the advantages and disadvantages of using ARC? [closed] http://stackoverflow.com/questions/7888568/what-are-the-advantages-and-disadvantages-of-using-arc issues will be very difficult to isolate. ObjC programs and sources will be particularly difficult in this regard. Furthermore the behavior may differ based on your optimizations settings as one example a program which works perfectly in a debug build..
why might layoutSubviews NOT automatically be called on a view when its frame is set? http://stackoverflow.com/questions/7921610/why-might-layoutsubviews-not-automatically-be-called-on-a-view-when-its-frame-is was redone when the frame was set as expected. And if I commented out the setNeedsLayout line layout was not done. Furthermore when I click on step into at the line where super is called the debugger does not step into anything. So as far as I can..
UIScrollView touches vs subview touches http://stackoverflow.com/questions/877828/uiscrollview-touches-vs-subview-touches stone taps yes However it seems that both views are accepting the tap and calling both touchedStone AND touchedBeach. Furthermore the beach tap occurs first so I can't even put in a if touchedStone then don't run touchedBeach type flag. Here's some code...
Will my iPhone app take a performance hit if I use Objective-C for low level code? http://stackoverflow.com/questions/926728/will-my-iphone-app-take-a-performance-hit-if-i-use-objective-c-for-low-level-cod I'm looking for hard data not evangelism. Like many of you I love and hate both languages for various reasons. Furthermore if there is someone out there actively pursuing this same thing I'd be interesting in pitching in some code to see the end..
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