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2014/10/15 ¤U¤È 10:08:39
iphone Programming Glossary: explainhttp://stackoverflow.com/questions/1166444/mkmapview-zoom-and-region But suddenly I drag the map without zooming and delta values become 0.0. Can somebody please explain what is the reference point to these span and delta Or is there any algorithm to convert an integer..
Add UIPickerView & a Button in Action sheet - How? http://stackoverflow.com/questions/1262574/add-uipickerview-a-button-in-action-sheet-how UIPicker Control I have included an image to understand my requirements. Could you please explain how this can be implemented iphone uipickerview share improve this question Update for iOS 7 Apple..
Uploading and downloading via ftp with iPhone SDK http://stackoverflow.com/questions/1354012/uploading-and-downloading-via-ftp-with-iphone-sdk and downloading via ftp with iPhone SDK Could anybody explain to me the process of uploading to and downloading form and ftp server with the iPhone SDK. If you could..
“wait_fences: failed to receive reply: 10004003”? http://stackoverflow.com/questions/1371346/wait-fences-failed-to-receive-reply-10004003
Using FFMPEG library with iPhone SDK for video encoding http://stackoverflow.com/questions/1679649/using-ffmpeg-library-with-iphone-sdk-for-video-encoding about external library using is very light and I just can find any tutorial on the web wich explain how to do this. If anybody can help me I would be very grateful..` Thanks Aurelien Potier iphone video..
OpenGL ES iPhone - drawing anti aliased lines http://stackoverflow.com/questions/1813035/opengl-es-iphone-drawing-anti-aliased-lines the effect of anti aliasing very cheaply using vertices with opacity 0. Here's an image example to explain Comparison with AA You can read a paper about this here http research.microsoft.com en us um people..
http://stackoverflow.com/questions/2371489/why-do-you-use-an-underscore-for-an-instance-variable-but-not-its-corresponding What is the use of declaring a varible like _level and setting its property as level.Please explain me.Thanks. iphone objective c cocoa cocoa touch share improve this question Reminder The @property..
Objective-C - When to use 'self' http://stackoverflow.com/questions/2385980/objective-c-when-to-use-self object 0x3b122d0 If I add the self keyword to the second example the program runs fine. Can anyone explain why self is needed in the first case but not the second I'm assuming that in both cases mainViewController..
Install xCode 3.2.3 w/ iPhone SDK 4, get “Base SDK missing”, can't see other SDKs http://stackoverflow.com/questions/3161385/install-xcode-3-2-3-w-iphone-sdk-4-get-base-sdk-missing-cant-see-other-sdk you used to see them. iphone xcode ios4 share improve this question Overview I'm going to explain why this is going on and then how fix the specific Base SDK Missing problem. You can skip to the bottom..
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 one of the matrix cells of the CATransform3D m34 . Matrix math has never been my thing so I can't explain exactly why this works but it does. You'll need to set this value to a negative fraction for your initial..
Bold & Non-Bold Text In A Single UILabel? http://stackoverflow.com/questions/3586871/bold-non-bold-text-in-a-single-uilabel setText text There is a couple of good introductory blog posts here from guys at invasivecode that explain with more examples uses of NSAttributedString look for Introduction to NSAttributedString for iOS 6..
Difference between self.ivar and ivar? http://stackoverflow.com/questions/4142177/difference-between-self-ivar-and-ivar test1 name @ hello void test2 self.name @ hello Take above as an example. Could someone please explain the difference between name @ hello and self.name @ hello Thanks EDIT Follow up question How to write..
What does an underscore signify in the name of a member variable in Objective-C? [duplicate] http://stackoverflow.com/questions/5659156/what-does-an-underscore-signify-in-the-name-of-a-member-variable-in-objective-c coordinate self super init if self nil _coordinate coordinate return self @end Can anyone please explain me the meaning of the statement @synthesize coordinate _coordinate I know the meaning of @synthesize..
Example or explanation of Core Data Migration with multiple passes? http://stackoverflow.com/questions/5995231/example-or-explanation-of-core-data-migration-with-multiple-passes passes to migrate data to reduce memory use. However the documentation is very limited and doesn't explain very well how to actually do this. Can someone either point me towards a good example or explain in.. explain very well how to actually do this. Can someone either point me towards a good example or explain in detail the process of how to actually pull this off iphone objective c ios core data core data migration..
http://stackoverflow.com/questions/1166444/mkmapview-zoom-and-region span delta values are increasing as specified in documentation. But suddenly I drag the map without zooming and delta values become 0.0. Can somebody please explain what is the reference point to these span and delta Or is there any algorithm to convert an integer zoom level like 9 to these delta values As a bonus question..
Add UIPickerView & a Button in Action sheet - How? http://stackoverflow.com/questions/1262574/add-uipickerview-a-button-in-action-sheet-how things to be added in an action sheet. UIToolbar Button on UIToolbar UIPicker Control I have included an image to understand my requirements. Could you please explain how this can be implemented iphone uipickerview share improve this question Update for iOS 7 Apple docs for UIActionSheet UIActionSheet is not designed to..
Uploading and downloading via ftp with iPhone SDK http://stackoverflow.com/questions/1354012/uploading-and-downloading-via-ftp-with-iphone-sdk and downloading via ftp with iPhone SDK Could anybody explain to me the process of uploading to and downloading form and ftp server with the iPhone SDK. If you could just point me in the right direction e.g. documentation..
“wait_fences: failed to receive reply: 10004003”? http://stackoverflow.com/questions/1371346/wait-fences-failed-to-receive-reply-10004003
Using FFMPEG library with iPhone SDK for video encoding http://stackoverflow.com/questions/1679649/using-ffmpeg-library-with-iphone-sdk-for-video-encoding use the FFMPEG library for video encoding The Apple documentation about external library using is very light and I just can find any tutorial on the web wich explain how to do this. If anybody can help me I would be very grateful..` Thanks Aurelien Potier iphone video encoding ffmpeg share improve this question Check out..
OpenGL ES iPhone - drawing anti aliased lines http://stackoverflow.com/questions/1813035/opengl-es-iphone-drawing-anti-aliased-lines share improve this question One can achieve the effect of anti aliasing very cheaply using vertices with opacity 0. Here's an image example to explain Comparison with AA You can read a paper about this here http research.microsoft.com en us um people hoppe overdraw.pdf You could do something along this way Colors..
http://stackoverflow.com/questions/2371489/why-do-you-use-an-underscore-for-an-instance-variable-but-not-its-corresponding are set as @property CGFloat level @property CGFloat peakLevel What is the use of declaring a varible like _level and setting its property as level.Please explain me.Thanks. iphone objective c cocoa cocoa touch share improve this question Reminder The @property directive is equivalent to declaring both a setter and a..
Objective-C - When to use 'self' http://stackoverflow.com/questions/2385980/objective-c-when-to-use-self the message objc 1296 FREED id message view sent to freed object 0x3b122d0 If I add the self keyword to the second example the program runs fine. Can anyone explain why self is needed in the first case but not the second I'm assuming that in both cases mainViewController is referring to the same instance variable. iphone objective..
Install xCode 3.2.3 w/ iPhone SDK 4, get “Base SDK missing”, can't see other SDKs http://stackoverflow.com/questions/3161385/install-xcode-3-2-3-w-iphone-sdk-4-get-base-sdk-missing-cant-see-other-sdk Simulator SDK choices e.g. 3.0 3.1 3.1.3 ... is available where you used to see them. iphone xcode ios4 share improve this question Overview I'm going to explain why this is going on and then how fix the specific Base SDK Missing problem. You can skip to the bottom for just the fix though I recommend reading all of this...
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 perspective working as described here is to directly access one of the matrix cells of the CATransform3D m34 . Matrix math has never been my thing so I can't explain exactly why this works but it does. You'll need to set this value to a negative fraction for your initial transform then apply your layer rotation transforms to..
Bold & Non-Bold Text In A Single UILabel? http://stackoverflow.com/questions/3586871/bold-non-bold-text-in-a-single-uilabel down the old answer. Now I am just being lazy so p _label setText text There is a couple of good introductory blog posts here from guys at invasivecode that explain with more examples uses of NSAttributedString look for Introduction to NSAttributedString for iOS 6 and Attributed strings for iOS using Interface Builder PS Above..
Difference between self.ivar and ivar? http://stackoverflow.com/questions/4142177/difference-between-self-ivar-and-ivar @synthesize name void dealloc name release super dealloc void test1 name @ hello void test2 self.name @ hello Take above as an example. Could someone please explain the difference between name @ hello and self.name @ hello Thanks EDIT Follow up question How to write my own setter for an ivar i.e. self.ivar ... iphone objective..
What does an underscore signify in the name of a member variable in Objective-C? [duplicate] http://stackoverflow.com/questions/5659156/what-does-an-underscore-signify-in-the-name-of-a-member-variable-in-objective-c _coordinate id initWithCoordinate CLLocationCoordinate2D coordinate self super init if self nil _coordinate coordinate return self @end Can anyone please explain me the meaning of the statement @synthesize coordinate _coordinate I know the meaning of @synthesize . But could not understand the complete statement. _coordinate..
Example or explanation of Core Data Migration with multiple passes? http://stackoverflow.com/questions/5995231/example-or-explanation-of-core-data-migration-with-multiple-passes quite large. Apple's documentation suggests using multiple passes to migrate data to reduce memory use. However the documentation is very limited and doesn't explain very well how to actually do this. Can someone either point me towards a good example or explain in detail the process of how to actually pull this off iphone.. use. However the documentation is very limited and doesn't explain very well how to actually do this. Can someone either point me towards a good example or explain in detail the process of how to actually pull this off iphone objective c ios core data core data migration share improve this question I've figured out what..
http://stackoverflow.com/questions/1166444/mkmapview-zoom-and-region in documentation. But suddenly I drag the map without zooming and delta values become 0.0. Can somebody please explain what is the reference point to these span and delta Or is there any algorithm to convert an integer zoom level like 9 to..
Cocoa: What's the Difference between the frame and the bounds? http://stackoverflow.com/questions/1210047/cocoa-whats-the-difference-between-the-frame-and-the-bounds
Add UIPickerView & a Button in Action sheet - How? http://stackoverflow.com/questions/1262574/add-uipickerview-a-button-in-action-sheet-how Button on UIToolbar UIPicker Control I have included an image to understand my requirements. Could you please explain how this can be implemented iphone uipickerview share improve this question Update for iOS 7 Apple docs for UIActionSheet..
Uploading and downloading via ftp with iPhone SDK http://stackoverflow.com/questions/1354012/uploading-and-downloading-via-ftp-with-iphone-sdk and downloading via ftp with iPhone SDK Could anybody explain to me the process of uploading to and downloading form and ftp server with the iPhone SDK. If you could just point me in..
“wait_fences: failed to receive reply: 10004003”? http://stackoverflow.com/questions/1371346/wait-fences-failed-to-receive-reply-10004003
Using FFMPEG library with iPhone SDK for video encoding http://stackoverflow.com/questions/1679649/using-ffmpeg-library-with-iphone-sdk-for-video-encoding The Apple documentation about external library using is very light and I just can find any tutorial on the web wich explain how to do this. If anybody can help me I would be very grateful..` Thanks Aurelien Potier iphone video encoding ffmpeg..
OpenGL ES iPhone - drawing anti aliased lines http://stackoverflow.com/questions/1813035/opengl-es-iphone-drawing-anti-aliased-lines One can achieve the effect of anti aliasing very cheaply using vertices with opacity 0. Here's an image example to explain Comparison with AA You can read a paper about this here http research.microsoft.com en us um people hoppe overdraw.pdf You..
http://stackoverflow.com/questions/2371489/why-do-you-use-an-underscore-for-an-instance-variable-but-not-its-corresponding CGFloat peakLevel What is the use of declaring a varible like _level and setting its property as level.Please explain me.Thanks. iphone objective c cocoa cocoa touch share improve this question Reminder The @property directive is equivalent..
Objective-C - When to use 'self' http://stackoverflow.com/questions/2385980/objective-c-when-to-use-self view sent to freed object 0x3b122d0 If I add the self keyword to the second example the program runs fine. Can anyone explain why self is needed in the first case but not the second I'm assuming that in both cases mainViewController is referring..
iPad/iPhone browser crashing when loading images in Javascript http://stackoverflow.com/questions/2986039/ipad-iphone-browser-crashing-when-loading-images-in-javascript my solution so you'll have to figure out how to apply it to your own code. The code comes in three parts which I will explain below but the only really important part is imgStoredImage.src strNullImage loadNextImage simply loads a new image and calls..
Install xCode 3.2.3 w/ iPhone SDK 4, get “Base SDK missing”, can't see other SDKs http://stackoverflow.com/questions/3161385/install-xcode-3-2-3-w-iphone-sdk-4-get-base-sdk-missing-cant-see-other-sdk ... is available where you used to see them. iphone xcode ios4 share improve this question Overview I'm going to explain why this is going on and then how fix the specific Base SDK Missing problem. You can skip to the bottom for just the fix..
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 to directly access one of the matrix cells of the CATransform3D m34 . Matrix math has never been my thing so I can't explain exactly why this works but it does. You'll need to set this value to a negative fraction for your initial transform then..
Bold & Non-Bold Text In A Single UILabel? http://stackoverflow.com/questions/3586871/bold-non-bold-text-in-a-single-uilabel lazy so p _label setText text There is a couple of good introductory blog posts here from guys at invasivecode that explain with more examples uses of NSAttributedString look for Introduction to NSAttributedString for iOS 6 and Attributed strings..
Difference between self.ivar and ivar? http://stackoverflow.com/questions/4142177/difference-between-self-ivar-and-ivar super dealloc void test1 name @ hello void test2 self.name @ hello Take above as an example. Could someone please explain the difference between name @ hello and self.name @ hello Thanks EDIT Follow up question How to write my own setter for..
http://stackoverflow.com/questions/5360846/suspend-the-application prevent your application from functioning as intended you need to tell your users about the situation and explain what they can do about it. Depending on how severe the application malfunction is you have two choices. Display an attractive.. the alert only when people try to access the feature that isn ™t functioning. The philosophical reason for this is explained earlier in that document People not applications should initiate and control actions. Although an application can suggest..
What does an underscore signify in the name of a member variable in Objective-C? [duplicate] http://stackoverflow.com/questions/5659156/what-does-an-underscore-signify-in-the-name-of-a-member-variable-in-objective-c coordinate self super init if self nil _coordinate coordinate return self @end Can anyone please explain me the meaning of the statement @synthesize coordinate _coordinate I know the meaning of @synthesize . But could not understand..
iPhone SDK: what is the difference between loadView and viewDidLoad? http://stackoverflow.com/questions/573958/iphone-sdk-what-is-the-difference-between-loadview-and-viewdidload difference between loadView and viewDidLoad When working with views and view controllers in an iPhone app can anyone explain the difference between loadView and viewDidLoad My personal context is that I build all my views from code I do not and..
Example or explanation of Core Data Migration with multiple passes? http://stackoverflow.com/questions/5995231/example-or-explanation-of-core-data-migration-with-multiple-passes using multiple passes to migrate data to reduce memory use. However the documentation is very limited and doesn't explain very well how to actually do this. Can someone either point me towards a good example or explain in detail the process of.. limited and doesn't explain very well how to actually do this. Can someone either point me towards a good example or explain in detail the process of how to actually pull this off iphone objective c ios core data core data migration share improve..
http://stackoverflow.com/questions/8482327/learning-opengles-2-0-on-ios Rideout is a great book that covers both OpenGL ES 1.1 and 2.0. It does not assume that you know OpenGL ES and he does explain a good bit of the math and other fundamentals required to understand what he's talking about. He gets into some pretty advanced..
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