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2014/10/15 ¤U¤È 10:12:50
iphone Programming Glossary: practiceDeclaration/definition of variables locations in ObjectiveC? http://stackoverflow.com/questions/12632285/declaration-definition-of-variables-locations-in-objectivec new ObjectiveC directives that add OO on top of that. Could you folks helps me understand the best practice and situations where I'd want to use these locations for my variables and perhaps correct my present..
Objective-C categories in static library http://stackoverflow.com/questions/2567498/objective-c-categories-in-static-library is how to add static library with some categories into other project And in general what is best practice to use in app project code from other projects iphone objective c static libraries categories share..
This class is not key value coding-compliant for the key http://stackoverflow.com/questions/3088059/this-class-is-not-key-value-coding-compliant-for-the-key instead of SecondView . Changing to the correct class resolves the problem. By the way it is bad practice to have names like string in Objective C. It invites a runtime naming collision. Avoid them even in.. like string in Objective C. It invites a runtime naming collision. Avoid them even in once off practice apps. Naming collisions can be very hard to track down and you don't want to waste the time. share..
Prefixing property names with an underscore in Objective C [duplicate] http://stackoverflow.com/questions/3521254/prefixing-property-names-with-an-underscore-in-objective-c iphone objective c coding style share improve this question Current suggested Objective C 2.0 practice is to use the same name for the ivar as the property. You can optionally assign a different ivar in..
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 improve this question Basically it doesn't mean anything to the compiler. It's just a coding practice used on private instance variables. Your code isn't going to break if you don't use it. share improve..
http://stackoverflow.com/questions/6124109/instance-variables-with-underscore-in-objective-c-2-0-and-renaming-with-synthet that can't work and beside that I'm not sure if using the setter in the class itself is a good practice or not. I'm not fresh in Objective C but I'm still in the beginning of learning. Perhaps I'm doing something.. I'm still in the beginning of learning. Perhaps I'm doing something wrong and have a bad coding practice somewhere. Thanks you in advance if you can help me iphone objective c osx static analysis instance..
Property vs instance variable in Objective-C [duplicate] http://stackoverflow.com/questions/6146244/property-vs-instance-variable-in-objective-c iphone objective c coding style share improve this question Current suggested Objective C 2.0 practice is to use the same name for the ivar as the property. You can optionally assign a different ivar in..
dismissModalViewController AND pass data back http://stackoverflow.com/questions/6203799/dismissmodalviewcontroller-and-pass-data-back good to familiarize yourself with them NSNotifications are another way to do this but as a best practice I prefer using it when I want to communicate across multiple viewControllers or objects. Here's an answer..
iPhone UIView Animation Best Practice http://stackoverflow.com/questions/630265/iphone-uiview-animation-best-practice UIView Animation Best Practice What is considered best practice for animating view transitions on the iPhone For example the ViewTransitions sample project from apple..
iOS 5 Best Practice (Release/retain?) http://stackoverflow.com/questions/6308425/ios-5-best-practice-release-retain 5 Best Practice Release retain As a beginning iPhone programmer what is the best practice for writing apps to be used either with iOS 5 or older versions Specifically should I continue using..
When is layoutSubviews called? http://stackoverflow.com/questions/728372/when-is-layoutsubviews-called question but wasn't satisfied with the answer or any I could find on the net so I tried it in practice and here is what I got init does not cause layoutSubviews to be called duh addSubview causes layoutSubviews..
Technology to write iPhone, BlackBerry and Android phone at the same time? [closed] http://stackoverflow.com/questions/821085/technology-to-write-iphone-blackberry-and-android-phone-at-the-same-time iPhone BlackBerry and Android phone at the same time closed Is there a strategy or at least best practice to write an app that runs on iPhone BlackBerry and Android I'm ignorant about the development environments..
To ARC or not to ARC? What are the pros and cons? http://stackoverflow.com/questions/8760431/to-arc-or-not-to-arc-what-are-the-pros-and-cons arc on a file by file basis. Xcode unfortunately makes this much harder than it should be to do in practice. You should probably move non ARC code into a separate xcodeproj to simplify this. In conclusion switch..
Faster alternative to glReadPixels in iPhone OpenGL ES 2.0 http://stackoverflow.com/questions/9550297/faster-alternative-to-glreadpixels-in-iphone-opengl-es-2-0 this answer that I've used for raw pixel extraction. It also experiences a significant speedup in practice when compared to using glReadPixels although less than I see with the pixel buffer pool I use with AVAssetWriter...
Declaration/definition of variables locations in ObjectiveC? http://stackoverflow.com/questions/12632285/declaration-definition-of-variables-locations-in-objectivec we have the traditional C approach on the other we have the new ObjectiveC directives that add OO on top of that. Could you folks helps me understand the best practice and situations where I'd want to use these locations for my variables and perhaps correct my present understanding Here's a sample class .h and .m #import Foundation..
Objective-C categories in static library http://stackoverflow.com/questions/2567498/objective-c-categories-in-static-library in static library is not working in app. So my question is how to add static library with some categories into other project And in general what is best practice to use in app project code from other projects iphone objective c static libraries categories share improve this question Solution As of Xcode 4.2 you only..
This class is not key value coding-compliant for the key http://stackoverflow.com/questions/3088059/this-class-is-not-key-value-coding-compliant-for-the-key in MainWindow.xib having a class of UIViewController instead of SecondView . Changing to the correct class resolves the problem. By the way it is bad practice to have names like string in Objective C. It invites a runtime naming collision. Avoid them even in once off practice apps. Naming collisions can be very hard to..
Prefixing property names with an underscore in Objective C [duplicate] http://stackoverflow.com/questions/3521254/prefixing-property-names-with-an-underscore-in-objective-c there a good reason for this style being the preferred one iphone objective c coding style share improve this question Current suggested Objective C 2.0 practice is to use the same name for the ivar as the property. You can optionally assign a different ivar in the @property declaration but the fact that by default synthesized..
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
http://stackoverflow.com/questions/6124109/instance-variables-with-underscore-in-objective-c-2-0-and-renaming-with-synthet I should use self.bar aBar But for the readonly properties that can't work and beside that I'm not sure if using the setter in the class itself is a good practice or not. I'm not fresh in Objective C but I'm still in the beginning of learning. Perhaps I'm doing something wrong and have a bad coding practice somewhere. Thanks.. is a good practice or not. I'm not fresh in Objective C but I'm still in the beginning of learning. Perhaps I'm doing something wrong and have a bad coding practice somewhere. Thanks you in advance if you can help me iphone objective c osx static analysis instance variables share improve this question Is never used should..
Property vs instance variable in Objective-C [duplicate] http://stackoverflow.com/questions/6146244/property-vs-instance-variable-in-objective-c there a good reason for this style being the preferred one iphone objective c coding style share improve this question Current suggested Objective C 2.0 practice is to use the same name for the ivar as the property. You can optionally assign a different ivar in the @property declaration but the fact that by default synthesized..
dismissModalViewController AND pass data back http://stackoverflow.com/questions/6203799/dismissmodalviewcontroller-and-pass-data-back are EXTREMELY EXTREMELY EXTREMELY useful. It would do you good to familiarize yourself with them NSNotifications are another way to do this but as a best practice I prefer using it when I want to communicate across multiple viewControllers or objects. Here's an answer I posted earlier if you're curious about using NSNotifications..
iPhone UIView Animation Best Practice http://stackoverflow.com/questions/630265/iphone-uiview-animation-best-practice UIView Animation Best Practice What is considered best practice for animating view transitions on the iPhone For example the ViewTransitions sample project from apple uses code like CATransition applicationLoadViewIn CATransition..
iOS 5 Best Practice (Release/retain?) http://stackoverflow.com/questions/6308425/ios-5-best-practice-release-retain 5 Best Practice Release retain As a beginning iPhone programmer what is the best practice for writing apps to be used either with iOS 5 or older versions Specifically should I continue using the release retain of data or should I ignore that Does it..
When is layoutSubviews called? http://stackoverflow.com/questions/728372/when-is-layoutsubviews-called set. iphone share improve this question I had a similar question but wasn't satisfied with the answer or any I could find on the net so I tried it in practice and here is what I got init does not cause layoutSubviews to be called duh addSubview causes layoutSubviews to be called on the view being added the view it ™s being..
Technology to write iPhone, BlackBerry and Android phone at the same time? [closed] http://stackoverflow.com/questions/821085/technology-to-write-iphone-blackberry-and-android-phone-at-the-same-time to write iPhone BlackBerry and Android phone at the same time closed Is there a strategy or at least best practice to write an app that runs on iPhone BlackBerry and Android I'm ignorant about the development environments for BB and Android but I assume they both support Java..
To ARC or not to ARC? What are the pros and cons? http://stackoverflow.com/questions/8760431/to-arc-or-not-to-arc-what-are-the-pros-and-cons restrictions . For non ARC code you can pass fno objc arc on a file by file basis. Xcode unfortunately makes this much harder than it should be to do in practice. You should probably move non ARC code into a separate xcodeproj to simplify this. In conclusion switch to ARC as soon as you can and never look back. EDIT I've..
Faster alternative to glReadPixels in iPhone OpenGL ES 2.0 http://stackoverflow.com/questions/9550297/faster-alternative-to-glreadpixels-in-iphone-opengl-es-2-0 from the use of this in an AVAssetWriter I have some code in this answer that I've used for raw pixel extraction. It also experiences a significant speedup in practice when compared to using glReadPixels although less than I see with the pixel buffer pool I use with AVAssetWriter. It's a shame that none of this is documented anywhere..
http://stackoverflow.com/questions/11323326/xml-parsing-in-ios-tutorial nsurlconnection nsxmlparser share improve this question Please use below links for best XML parsing examples and practice. Using below samples user can easily understand XML Parsing in iOS. 1 Sample 1 2 Sample 2 3 Sample 3 4 Sample 4 5 Sample..
Declaration/definition of variables locations in ObjectiveC? http://stackoverflow.com/questions/12632285/declaration-definition-of-variables-locations-in-objectivec other we have the new ObjectiveC directives that add OO on top of that. Could you folks helps me understand the best practice and situations where I'd want to use these locations for my variables and perhaps correct my present understanding Here's..
Objective-C categories in static library http://stackoverflow.com/questions/2567498/objective-c-categories-in-static-library app. So my question is how to add static library with some categories into other project And in general what is best practice to use in app project code from other projects iphone objective c static libraries categories share improve this question..
This class is not key value coding-compliant for the key http://stackoverflow.com/questions/3088059/this-class-is-not-key-value-coding-compliant-for-the-key of UIViewController instead of SecondView . Changing to the correct class resolves the problem. By the way it is bad practice to have names like string in Objective C. It invites a runtime naming collision. Avoid them even in once off practice apps... practice to have names like string in Objective C. It invites a runtime naming collision. Avoid them even in once off practice apps. Naming collisions can be very hard to track down and you don't want to waste the time. share improve this answer..
Prefixing property names with an underscore in Objective C [duplicate] http://stackoverflow.com/questions/3521254/prefixing-property-names-with-an-underscore-in-objective-c the preferred one iphone objective c coding style share improve this question Current suggested Objective C 2.0 practice is to use the same name for the ivar as the property. You can optionally assign a different ivar in the @property declaration..
http://stackoverflow.com/questions/4194394/client-server-gksessions technologically amazing. You can of course use P2P mode for simple networking problems notably chat like problems . In practice all the typical networking needs of any real game whether an FPS sports game or whatever must be done in ordinary client..
iOS: Movement Precision in 3D Space http://stackoverflow.com/questions/5550453/ios-movement-precision-in-3d-space really. If you integrate the accelerometer values twice you get position but the error is horrible. It is useless in practice. Here is an explanation why Google Tech Talk at 23 20. What you actually could do is to discover your hidden object by changing..
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
http://stackoverflow.com/questions/6124109/instance-variables-with-underscore-in-objective-c-2-0-and-renaming-with-synthet the readonly properties that can't work and beside that I'm not sure if using the setter in the class itself is a good practice or not. I'm not fresh in Objective C but I'm still in the beginning of learning. Perhaps I'm doing something wrong and have.. in Objective C but I'm still in the beginning of learning. Perhaps I'm doing something wrong and have a bad coding practice somewhere. Thanks you in advance if you can help me iphone objective c osx static analysis instance variables share improve..
Property vs instance variable in Objective-C [duplicate] http://stackoverflow.com/questions/6146244/property-vs-instance-variable-in-objective-c the preferred one iphone objective c coding style share improve this question Current suggested Objective C 2.0 practice is to use the same name for the ivar as the property. You can optionally assign a different ivar in the @property declaration..
dismissModalViewController AND pass data back http://stackoverflow.com/questions/6203799/dismissmodalviewcontroller-and-pass-data-back It would do you good to familiarize yourself with them NSNotifications are another way to do this but as a best practice I prefer using it when I want to communicate across multiple viewControllers or objects. Here's an answer I posted earlier..
iPhone UIView Animation Best Practice http://stackoverflow.com/questions/630265/iphone-uiview-animation-best-practice UIView Animation Best Practice What is considered best practice for animating view transitions on the iPhone For example the ViewTransitions sample project from apple uses code like CATransition..
iOS 5 Best Practice (Release/retain?) http://stackoverflow.com/questions/6308425/ios-5-best-practice-release-retain 5 Best Practice Release retain As a beginning iPhone programmer what is the best practice for writing apps to be used either with iOS 5 or older versions Specifically should I continue using the release retain..
Distance moved by Accelerometer http://stackoverflow.com/questions/6645126/distance-moved-by-accelerometer question You get position by integrating the linear acceleration twice but the error is horrible. It is useless in practice. Here is an explanation why Google Tech Talk at 23 20. I highly recommend this video. However the gyro mouse might work..
When is layoutSubviews called? http://stackoverflow.com/questions/728372/when-is-layoutsubviews-called I had a similar question but wasn't satisfied with the answer or any I could find on the net so I tried it in practice and here is what I got init does not cause layoutSubviews to be called duh addSubview causes layoutSubviews to be called..
Technology to write iPhone, BlackBerry and Android phone at the same time? [closed] http://stackoverflow.com/questions/821085/technology-to-write-iphone-blackberry-and-android-phone-at-the-same-time to write iPhone BlackBerry and Android phone at the same time closed Is there a strategy or at least best practice to write an app that runs on iPhone BlackBerry and Android I'm ignorant about the development environments for BB and Android..
To ARC or not to ARC? What are the pros and cons? http://stackoverflow.com/questions/8760431/to-arc-or-not-to-arc-what-are-the-pros-and-cons can pass fno objc arc on a file by file basis. Xcode unfortunately makes this much harder than it should be to do in practice. You should probably move non ARC code into a separate xcodeproj to simplify this. In conclusion switch to ARC as soon as..
Faster alternative to glReadPixels in iPhone OpenGL ES 2.0 http://stackoverflow.com/questions/9550297/faster-alternative-to-glreadpixels-in-iphone-opengl-es-2-0 I have some code in this answer that I've used for raw pixel extraction. It also experiences a significant speedup in practice when compared to using glReadPixels although less than I see with the pixel buffer pool I use with AVAssetWriter. It's a..
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