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2014/10/15 ¤U¤È 10:04:29
iphone Programming Glossary: avoidedhttp://stackoverflow.com/questions/11486828/table-view-scrolling-async image iphone objective c ios share improve this question Your algorithm looks pretty good. You've avoided many of the typical pitfalls. If you're still having UI performance problems I'd suggest a couple of things You should try..
Game center login lock in landscape only in i OS 6 http://stackoverflow.com/questions/12488838/game-center-login-lock-in-landscape-only-in-i-os-6 Please explain a solution. iphone game center uiinterfaceorientation ios6 share improve this question At last i avoided crash by following the workaround mentioned in Apple's iOS 6 release notes . Workaround 1.Apps should provide the delegate..
In App Purchase (IAP) process appears to be crashing the app on launch for one of my users http://stackoverflow.com/questions/19203921/in-app-purchase-iap-process-appears-to-be-crashing-the-app-on-launch-for-one-o
MFMailComposeViewController image orientation http://stackoverflow.com/questions/20204495/mfmailcomposeviewcontroller-image-orientation out as 3264x2448 i.e. landscape. This ˜stripping of the orientation property when making copies of the UIImage can be avoided if one is aware it is going on by using the following code to make the UIImage copy UIImage tmp UIImage imageWithCGImage..
Is using subviews in Alert undocumented http://stackoverflow.com/questions/2032500/is-using-subviews-in-alert-undocumented An alert that contains three or more buttons is significantly more complex than a two button alert and should be avoided if possible. In fact if you find that you need to offer users more than two choices you should consider using an action..
How to access SOAP services from iPhone http://stackoverflow.com/questions/204465/how-to-access-soap-services-from-iphone wsdl share improve this question One word Don't. OK obviously that isn't a real answer. But still SOAP should be avoided at all costs. Is it possible to add a proxy server between the iPhone and the web service Perhaps something that converts..
iPhone ivar naming convention [duplicate] http://stackoverflow.com/questions/2114587/iphone-ivar-naming-convention easier to read and use autocomplete on Any overlap in names from parameters is quickly revealed by the compiler and avoided through more thoughtful naming of parameters or internal variables . 2 even better reason if you use refactor in XCode on..
UITableView delegate method called twice http://stackoverflow.com/questions/2638359/uitableview-delegate-method-called-twice heightForTable which eventually called numberOfRowsInSection . This was something I triggered and could be easily avoided by not doing the above code The second call was the legitimate one in order to reloadData. This is triggered by a layout..
Prefixing property names with an underscore in Objective C [duplicate] http://stackoverflow.com/questions/3521254/prefixing-property-names-with-an-underscore-in-objective-c Possible Duplicate How does an underscore in front of a variable in a cocoa objective c class work I've always avoided underscores in my variable names perhaps because its just not what was done back in my learning Java in college days. So..
Is there a tree control for the iphone? http://stackoverflow.com/questions/3762356/is-there-a-tree-control-for-the-iphone widget by default. It's basically not there because you shouldn't really need one and most cases it should probably be avoided. A table navigation controller is the most common way to navigate down nodes in a hierarchy tree usually. It's hard to fit..
Repeating NSTimer, weak reference, owning reference or iVar? http://stackoverflow.com/questions/4945028/repeating-nstimer-weak-reference-owning-reference-or-ivar timer because the runloop keeps the timer alive which in turn keeps an owning reference to your object. This can be avoided if yourObject is only ever owned by one single instance at a time when it is properly disposed of But now how do you resolve..
http://stackoverflow.com/questions/4947556/what-is-a-runloop let time elapse until there is something of interest found on the timeline all without polling polling sucks. to be avoided. It does mean though that a Timer will never be 100 accurate. As well if you have a timer repeating every second it'll drift..
what is the difference between Delegate and Notification? http://stackoverflow.com/questions/5325226/what-is-the-difference-between-delegate-and-notification and then call this in classA classB delegate void viewdidload self.delegate DelegateMethod so from the above we have avoided the protocol and id variable . but i knew many of us use delegate and protocol. here i came to know about any advantages..
Property vs instance variable in Objective-C [duplicate] http://stackoverflow.com/questions/6146244/property-vs-instance-variable-in-objective-c Possible Duplicate How does an underscore in front of a variable in a cocoa objective c class work I've always avoided underscores in my variable names perhaps because its just not what was done back in my learning Java in college days. So..
Want to copy a gif image from my app to the in-app mail window. How do i do that? http://stackoverflow.com/questions/6981783/want-to-copy-a-gif-image-from-my-app-to-the-in-app-mail-window-how-do-i-do-that ios4 gif uipasteboard share improve this question UIWebView is a the biggest memory hog in UIKit and should be avoided whenever possible. Converting gif to series of png files and displaying it using UIImageView with animated image sequence..
Retain Cycles: Why is that such a bad thing? http://stackoverflow.com/questions/791322/retain-cycles-why-is-that-such-a-bad-thing up again. iphone cocoa touch memory management share improve this question Cycles aren't bad but they are often avoided because they can make it tricky to ensure you haven't got memory leaks. Leaks occur especially when objects are 'reference..
Dispelling the UIImage imageNamed: FUD http://stackoverflow.com/questions/924740/dispelling-the-uiimage-imagenamed-fud for example or this article on iPhoneDeveloperTips.com UIImage 's imageNamed method used to leak so it was best avoided but has been fixed in recent releases. I'd like to understand the caching algorithm better in order to make a reasoned decision..
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 is that they both have strengths and weaknesses my goal is to find out precisely what they are so that they can be avoided exploited in real world scenarios. c iphone objective c performance optimization share improve this question Mike Ash..
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