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2014/10/15 ¤U¤È 10:05:22
iphone Programming Glossary: complicatedUse CoreData or SQLite on iPhone? [closed] http://stackoverflow.com/questions/1318467/use-coredata-or-sqlite-on-iphone worth using core data for a simple sqlite app on the iphone with one table and no relationships or complicated subtable views In summary Core Data can greatly simplify your code particularly for complex object models...
Tricks for improving iPhone UITableView scrolling performance? http://stackoverflow.com/questions/1352479/tricks-for-improving-iphone-uitableview-scrolling-performance
Grid view in iPhone SDK [closed] http://stackoverflow.com/questions/2265293/grid-view-in-iphone-sdk sure that there is a better way. A typical item will have a picture label and button nothing too complicated. Thanks iphone uitableview ipad share improve this question You can still use the UITableView for..
JSON and Core Data on the iPhone http://stackoverflow.com/questions/2362323/json-and-core-data-on-the-iphone to use I personally like TouchJSON but several others out there are quite nice as well. The complicated part although not very hard is to convert your managed objects into suitable structures for the conversion...
Is it true that one should not use NSLog() on production code? http://stackoverflow.com/questions/300673/is-it-true-that-one-should-not-use-nslog-on-production-code statement in the prefix header rather than its own file. You could if you wanted build a more complicated logging system by having DebugLog interact with normal Objective C objects. For instance you could have..
Is there a way to make drawRect work right NOW? http://stackoverflow.com/questions/4739748/is-there-a-way-to-make-drawrect-work-right-now to have a view controller 1 starts some function 2 which incrementally 3 creates a more and more complicated artwork and 4 at each step you setNeedsDisplay wrong 5 until all the work is done 6 Of course when you..
MKAnnotationView - Lock custom annotation view to pin on location updates http://stackoverflow.com/questions/6392931/mkannotationview-lock-custom-annotation-view-to-pin-on-location-updates even with the code sample I've posted. How about some reputation points Update #4 This is a pretty complicated question so I created a new tab based project which just includes the parts of my app I'm having trouble..
Use CoreData or SQLite on iPhone? [closed] http://stackoverflow.com/questions/1318467/use-coredata-or-sqlite-on-iphone Data vs Sqlite and performance Core Data vs sqlite3 is it worth using core data for a simple sqlite app on the iphone with one table and no relationships or complicated subtable views In summary Core Data can greatly simplify your code particularly for complex object models. You get undo redo support almost for free with it. It..
Tricks for improving iPhone UITableView scrolling performance? http://stackoverflow.com/questions/1352479/tricks-for-improving-iphone-uitableview-scrolling-performance
Grid view in iPhone SDK [closed] http://stackoverflow.com/questions/2265293/grid-view-in-iphone-sdk creates the 2 or 3 items. This however seems messy and I am sure that there is a better way. A typical item will have a picture label and button nothing too complicated. Thanks iphone uitableview ipad share improve this question You can still use the UITableView for this and you would not need to subclass it. Like you said..
JSON and Core Data on the iPhone http://stackoverflow.com/questions/2362323/json-and-core-data-on-the-iphone data share improve this question First pick a JSON library to use I personally like TouchJSON but several others out there are quite nice as well. The complicated part although not very hard is to convert your managed objects into suitable structures for the conversion. I wrote this real quick so it may have an error or two..
Is it true that one should not use NSLog() on production code? http://stackoverflow.com/questions/300673/is-it-true-that-one-should-not-use-nslog-on-production-code DebugLog s ... #endif I found it easier to put this entire statement in the prefix header rather than its own file. You could if you wanted build a more complicated logging system by having DebugLog interact with normal Objective C objects. For instance you could have a logging class that writes to its own log file or database..
Is there a way to make drawRect work right NOW? http://stackoverflow.com/questions/4739748/is-there-a-way-to-make-drawrect-work-right-now can be infuriating in the common situation where you want to have a view controller 1 starts some function 2 which incrementally 3 creates a more and more complicated artwork and 4 at each step you setNeedsDisplay wrong 5 until all the work is done 6 Of course when you do that all that happens is that drawRect is run once only..
MKAnnotationView - Lock custom annotation view to pin on location updates http://stackoverflow.com/questions/6392931/mkannotationview-lock-custom-annotation-view-to-pin-on-location-updates guess it's bounty time. 100 views and no one's taken a stab even with the code sample I've posted. How about some reputation points Update #4 This is a pretty complicated question so I created a new tab based project which just includes the parts of my app I'm having trouble with here. You can download it from http www.servinitup.net..
Intercepting/Hijacking iPhone Touch Events for MKMapView http://stackoverflow.com/questions/1121889/intercepting-hijacking-iphone-touch-events-for-mkmapview anywhere in the MKMapView. If you need to detect zooming or panning with 100 recall and precision it might be more complicated than this. What we really need is an open source implementation of MKMapView so we can add this to the delegate among many..
How to identify CAAnimation within the animationDidStop delegate? http://stackoverflow.com/questions/1255086/how-to-identify-caanimation-within-the-animationdidstop-delegate delegate Thanks Batgar iphone core animation share improve this question Batgar's technique is too complicated. Why not take advantage of the forKey parameter in addAnimation It was intended for this very purpose. Just take out the..
Use CoreData or SQLite on iPhone? [closed] http://stackoverflow.com/questions/1318467/use-coredata-or-sqlite-on-iphone vs sqlite3 is it worth using core data for a simple sqlite app on the iphone with one table and no relationships or complicated subtable views In summary Core Data can greatly simplify your code particularly for complex object models. You get undo..
Tricks for improving iPhone UITableView scrolling performance? http://stackoverflow.com/questions/1352479/tricks-for-improving-iphone-uitableview-scrolling-performance
get time between two times of the day http://stackoverflow.com/questions/1792512/get-time-between-two-times-of-the-day I want the difference between for example 14 10 and 18 30. Hours and minutes. I Hope you can help me shouldn't be that complicated iphone objective c time nsdate share improve this question There's no need to calculate this by hand take a look at..
http://stackoverflow.com/questions/1816144/uipagecontrol-help for my application and I'm not sure how to get started. I'm a beginner and the examples that apple gives me are pretty complicated. All I need are 3 pages with different views for each of them. Can anyone help me out here P.S. remember that I'm a beginner..
http://stackoverflow.com/questions/1816614/viewwilldisappear-determine-whether-view-controller-is-being-popped-or-is-showi it has been popped. At the moment I'm setting flags such as isShowingChildViewController but it's getting fairly complicated. The only way I think I can detect it is in the dealloc method. iphone cocoa touch uikit share improve this question..
Measuring velocity via iPhone SDK http://stackoverflow.com/questions/1994018/measuring-velocity-via-iphone-sdk is nothing in the API to help you do so. Based on my research it should be possible to do this but seems extremely complicated and error prone. Translating from acceleration to velocity can be tricky to begin with plus the iPhone accelerometer data..
Grid view in iPhone SDK [closed] http://stackoverflow.com/questions/2265293/grid-view-in-iphone-sdk seems messy and I am sure that there is a better way. A typical item will have a picture label and button nothing too complicated. Thanks iphone uitableview ipad share improve this question You can still use the UITableView for this and you would..
JSON and Core Data on the iPhone http://stackoverflow.com/questions/2362323/json-and-core-data-on-the-iphone First pick a JSON library to use I personally like TouchJSON but several others out there are quite nice as well. The complicated part although not very hard is to convert your managed objects into suitable structures for the conversion. I wrote this..
Practical rules for premature optimization [closed] http://stackoverflow.com/questions/2978460/practical-rules-for-premature-optimization is irrelevant. In this case the size of the constants will matter more. A simple O n n algorithm could beat a more complicated O n log n algorithm for small n. Or the measurable difference could be so small that it doesn't matter. I still think that..
Is it true that one should not use NSLog() on production code? http://stackoverflow.com/questions/300673/is-it-true-that-one-should-not-use-nslog-on-production-code to put this entire statement in the prefix header rather than its own file. You could if you wanted build a more complicated logging system by having DebugLog interact with normal Objective C objects. For instance you could have a logging class..
http://stackoverflow.com/questions/3088624/support-legacy-iphone-users can run on all devices that have at least your minimum iOS version. Disadvantages all those conditional calls can get complicated. Your app requires some iOS 4.0 APIs in order to function Here you have no choice. Build with BaseSDK 4.0 set Target Deployment..
When to use PNG or JPG in iPhone development? http://stackoverflow.com/questions/3929281/when-to-use-png-or-jpg-in-iphone-development JPG's are smaller to store but lossy amount depends on compression level and to display them requires a much more complicated decoding algorithm. But the typical compression and image quality is usually quite sufficient for photos. Use JPG's for..
Is there a way to make drawRect work right NOW? http://stackoverflow.com/questions/4739748/is-there-a-way-to-make-drawrect-work-right-now where you want to have a view controller 1 starts some function 2 which incrementally 3 creates a more and more complicated artwork and 4 at each step you setNeedsDisplay wrong 5 until all the work is done 6 Of course when you do that all that..
Comparing float and double data types in objective C http://stackoverflow.com/questions/5024913/comparing-float-and-double-data-types-in-objective-c f 4.2f this block of code is exectued. the comparison succeeds because the values are exactly equal. Floating point is complicated but it is entirely deterministic one of the simplest things you can do to make it more intuitive is to not mix precisions...
MKAnnotationView - Lock custom annotation view to pin on location updates http://stackoverflow.com/questions/6392931/mkannotationview-lock-custom-annotation-view-to-pin-on-location-updates one's taken a stab even with the code sample I've posted. How about some reputation points Update #4 This is a pretty complicated question so I created a new tab based project which just includes the parts of my app I'm having trouble with here. You..
How can I edit PDF files in an iOS application? http://stackoverflow.com/questions/6846785/how-can-i-edit-pdf-files-in-an-ios-application create the PDF once the user is done with it so that the user can export it back. That way you don't have to write a complicated PDF handling code. In any case it's not a good idea to show generic PDF on iPhone because the screen size is so small iPad..
How can I set the background of UITableView (the tableview style is “Grouped”) to use an image? http://stackoverflow.com/questions/894875/how-can-i-set-the-background-of-uitableview-the-tableview-style-is-grouped-t
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