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2014/10/15 ¤U¤È 10:16:00
iphone Programming Glossary: worryHow to check for an active Internet Connection on iPhone SDK? http://stackoverflow.com/questions/1083701/how-to-check-for-an-active-internet-connection-on-iphone-sdk ARC and GCD compatible class to do it 1 Add SystemConfiguration framework to the project but don't worry about including it anywhere 2 Add Tony Million's version of Reachability.h and Reachability.m to the.. Apple's outdated Reachability class 1 Add SystemConfiguration framework to the project but don't worry about including it anywhere 2 Add Apple's version of Reachability.h and Reachability.m to the project..
http://stackoverflow.com/questions/1424608/nsurlconnection-timeout pass in the default NSURLRequestUseProtocolCachePolicy cachePolicy parameter if you don't want to worry about that part. The timeout is a floating point value in seconds as are basically all time intervals..
What is the best way to enter numeric values with decimal points? http://stackoverflow.com/questions/276382/what-is-the-best-way-to-enter-numeric-values-with-decimal-points digit of 0. So when dealing with yen input there is no decimal separator and thus no need to even worry about fractional amounts. This approach to the problem allows you to use the stock numeric input keypad..
Difference between [UIImage imageNamed…] and [UIImage imageWithData…]? http://stackoverflow.com/questions/316236/difference-between-uiimage-imagenamed-and-uiimage-imagewithdata make sure it's removed from memory when you're done. If you don't have any huge images I wouldn't worry about it. Unless you see a problem and kudos for checking Object Allocation instead of preemptively..
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 that is applied to the sublayers of your UIView's CALayer . If you don't have any sublayers don't worry about it. I use the sublayerTransform in my example simply because there are two CALayers contained..
Do you need to create an NSAutoreleasePool within a block in GCD? http://stackoverflow.com/questions/4141123/do-you-need-to-create-an-nsautoreleasepool-within-a-block-in-gcd it may be after hundreds but probably won't be . So if you are only allocating a few objects don't worry about it. However if you are allocating any significant number of objects and since you are targeting..
Understanding reference counting with Cocoa and Objective-C http://stackoverflow.com/questions/6578/understanding-reference-counting-with-cocoa-and-objective-c system. The basic way this differs from malloc and free is that any given object doesn't need to worry about other parts of the system crashing because you've freed memory they were using. Assuming everyone..
How to check for an active Internet Connection on iPhone SDK? http://stackoverflow.com/questions/1083701/how-to-check-for-an-active-internet-connection-on-iphone-sdk share improve this question METHOD 1 Use a simple ARC and GCD compatible class to do it 1 Add SystemConfiguration framework to the project but don't worry about including it anywhere 2 Add Tony Million's version of Reachability.h and Reachability.m to the project found here https github.com tonymillion Reachability.. startNotifier METHOD 2 Do it yourself the old way using Apple's outdated Reachability class 1 Add SystemConfiguration framework to the project but don't worry about including it anywhere 2 Add Apple's version of Reachability.h and Reachability.m to the project you can get those here 3 Add @class Reachability to the .h..
http://stackoverflow.com/questions/1424608/nsurlconnection-timeout requestWithURL cachePolicy timeoutInterval method. You can pass in the default NSURLRequestUseProtocolCachePolicy cachePolicy parameter if you don't want to worry about that part. The timeout is a floating point value in seconds as are basically all time intervals in the iPhone SDK. Also make sure your NSURLConnection 's..
What is the best way to enter numeric values with decimal points? http://stackoverflow.com/questions/276382/what-is-the-best-way-to-enter-numeric-values-with-decimal-points For example the Japanese yen has a maximum fraction digit of 0. So when dealing with yen input there is no decimal separator and thus no need to even worry about fractional amounts. This approach to the problem allows you to use the stock numeric input keypad provided by Apple without the headaches of custom keypads..
Difference between [UIImage imageNamed…] and [UIImage imageWithData…]? http://stackoverflow.com/questions/316236/difference-between-uiimage-imagenamed-and-uiimage-imagewithdata it you might want to load the image from a data object to make sure it's removed from memory when you're done. If you don't have any huge images I wouldn't worry about it. Unless you see a problem and kudos for checking Object Allocation instead of preemptively optimizing I would choose less lines of code over negligible..
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 you refer to in your response is a transform that is applied to the sublayers of your UIView's CALayer . If you don't have any sublayers don't worry about it. I use the sublayerTransform in my example simply because there are two CALayers contained within the one layer that I'm rotating. share improve this..
Do you need to create an NSAutoreleasePool within a block in GCD? http://stackoverflow.com/questions/4141123/do-you-need-to-create-an-nsautoreleasepool-within-a-block-in-gcd pool will be drained it may be after one block is processed it may be after hundreds but probably won't be . So if you are only allocating a few objects don't worry about it. However if you are allocating any significant number of objects and since you are targeting a memory constrained environment then you should be creating..
Understanding reference counting with Cocoa and Objective-C http://stackoverflow.com/questions/6578/understanding-reference-counting-with-cocoa-and-objective-c count is now zero then that object's memory is freed by the system. The basic way this differs from malloc and free is that any given object doesn't need to worry about other parts of the system crashing because you've freed memory they were using. Assuming everyone is playing along and retaining releasing according to the..
Correcting floating point numbers http://stackoverflow.com/questions/10049533/correcting-floating-point-numbers they quickly run out and have to round to the nearest value that they are capable of representing. Typically you don't worry about the .0000001 and just format them when you want to display them to the user with the appropriate number of decimal..
How to check for an active Internet Connection on iPhone SDK? http://stackoverflow.com/questions/1083701/how-to-check-for-an-active-internet-connection-on-iphone-sdk 1 Use a simple ARC and GCD compatible class to do it 1 Add SystemConfiguration framework to the project but don't worry about including it anywhere 2 Add Tony Million's version of Reachability.h and Reachability.m to the project found here.. the old way using Apple's outdated Reachability class 1 Add SystemConfiguration framework to the project but don't worry about including it anywhere 2 Add Apple's version of Reachability.h and Reachability.m to the project you can get those..
NSFetchedResultsController with sections created by first letter of a string http://stackoverflow.com/questions/1112521/nsfetchedresultscontroller-with-sections-created-by-first-letter-of-a-string data file. This property will only exist in memory when you need it. Generate the class files for this entity. Don't worry about a setter for this property. Create this getter this is half the magic IMHO THIS ATTRIBUTE GETTER GOES IN YOUR OBJECT..
Code sign error with Xcode 3.2 http://stackoverflow.com/questions/1410080/code-sign-error-with-xcode-3-2
iPhone development: pointer being freed was not allocated http://stackoverflow.com/questions/1424210/iphone-development-pointer-being-freed-was-not-allocated
http://stackoverflow.com/questions/1424608/nsurlconnection-timeout method. You can pass in the default NSURLRequestUseProtocolCachePolicy cachePolicy parameter if you don't want to worry about that part. The timeout is a floating point value in seconds as are basically all time intervals in the iPhone SDK...
Showing login view controller before main tab bar controller http://stackoverflow.com/questions/2716755/showing-login-view-controller-before-main-tab-bar-controller stage animation this application must remove two stage method implementations. What does that mean and do I need to worry about it UPDATE As suggested by lucius changed it to modally show the login view controller from the app delegate. This..
What is the best way to enter numeric values with decimal points? http://stackoverflow.com/questions/276382/what-is-the-best-way-to-enter-numeric-values-with-decimal-points a maximum fraction digit of 0. So when dealing with yen input there is no decimal separator and thus no need to even worry about fractional amounts. This approach to the problem allows you to use the stock numeric input keypad provided by Apple..
Tips for a successful AppStore submission? [closed] http://stackoverflow.com/questions/28551/tips-for-a-successful-appstore-submission not have any author title information in iTunes. iphone ios app store share improve this question First don't worry about the missing author title information and icon in iTunes. That's meta data which arrives when you distribute using..
Practical rules for premature optimization [closed] http://stackoverflow.com/questions/2978460/practical-rules-for-premature-optimization more and more to cases that are completely inappropriate. For example I've seen a growing number of people say not to worry about the complexity of an algorithm because that's premature optimization eg http stackoverflow.com questions 2190275 help..
Best way to save data on the iPhone http://stackoverflow.com/questions/307313/best-way-to-save-data-on-the-iphone data on the iPhone I am writing an iPhone application and need to save the state of my application 5K or so . My main worry is data persisting across upgrades. Some of the applications I use clearly got this wrong and I would prefer not to iphone..
Difference between [UIImage imageNamed…] and [UIImage imageWithData…]? http://stackoverflow.com/questions/316236/difference-between-uiimage-imagenamed-and-uiimage-imagewithdata a data object to make sure it's removed from memory when you're done. If you don't have any huge images I wouldn't worry about it. Unless you see a problem and kudos for checking Object Allocation instead of preemptively optimizing I would choose..
How to make a chat system on iPhone? http://stackoverflow.com/questions/3380851/how-to-make-a-chat-system-on-iphone on the phone from the server whenever there is some new content to pay attention to If having to poll all the time I worry about the resulting lag as each participant will have to wait longer for others before they can post their own responses..
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 is a transform that is applied to the sublayers of your UIView's CALayer . If you don't have any sublayers don't worry about it. I use the sublayerTransform in my example simply because there are two CALayers contained within the one layer..
http://stackoverflow.com/questions/3558252/ios-keychain-security on the device. Edit There are numerous news articles which cite the Fraunhofer study and reassure their readers not to worry unless their devices are stolen because this attack can only be done with physical access to the device. I'm somehow doubtful...
Do you need to create an NSAutoreleasePool within a block in GCD? http://stackoverflow.com/questions/4141123/do-you-need-to-create-an-nsautoreleasepool-within-a-block-in-gcd block is processed it may be after hundreds but probably won't be . So if you are only allocating a few objects don't worry about it. However if you are allocating any significant number of objects and since you are targeting a memory constrained..
Understanding reference counting with Cocoa and Objective-C http://stackoverflow.com/questions/6578/understanding-reference-counting-with-cocoa-and-objective-c is freed by the system. The basic way this differs from malloc and free is that any given object doesn't need to worry about other parts of the system crashing because you've freed memory they were using. Assuming everyone is playing along..
http://stackoverflow.com/questions/6942439/objectivec-ivars-or-property and dont feel like I have the control when to release reset and allocate it again and it gives me one more thing to worry about while and when and how should I release reset it. I find ivars I can alloc and release anytime once anywhere easily.. and when and how should I release reset it. I find ivars I can alloc and release anytime once anywhere easily without worrying about anything..or I am missing other things here. Tnx iphone objective c ios share improve this question There..
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