2014/10/15 下午 10:13:08

iphone Programming Glossary: rare

What programming skills I need to become an iPhone developer? [closed]

http://stackoverflow.com/questions/1043820/what-programming-skills-i-need-to-become-an-iphone-developer

in a static and is returned when you asked for the sharedController or sharedFoo or whatever. Threading is somewhat rare in Cocoa. Most things are done on the Run Loop which is cooperative multi tasking. You get asked something you respond as..

Description of initWithNibName, awakeFromNib and viewDidLoad?

http://stackoverflow.com/questions/1240010/description-of-initwithnibname-awakefromnib-and-viewdidload

will call viewDidLoad again so you can re initialize but initWithNib will not be called again. Note that this is a rare case and most people's applications will die horribly for other reasons at this point anyway however. share improve this..

iOS 7 dynamic blur effect like in Control Center

http://stackoverflow.com/questions/17704240/ios-7-dynamic-blur-effect-like-in-control-center

Background threads consuming 100% CPU on iPhone 3GS causes latent main thread

http://stackoverflow.com/questions/1940903/background-threads-consuming-100-cpu-on-iphone-3gs-causes-latent-main-thread

I began to realize that the CFNetwork framework was leaking memory occasionally. Exceptions were randomly however rarely being raised inside CFNetwork too I tried everything I could to avoid those problems but nothing worked. I am quite sure.. with ASIHTTPRequest and the crashing stopped entirely. CFNetwork almost never leaks however there is still one very rare leak which occurs when resolving a DNS name. I am quite satisfied now. Hopefully this information saves you some time iphone..

Removing and adding persistent stores to a core data application

http://stackoverflow.com/questions/2257557/removing-and-adding-persistent-stores-to-a-core-data-application

multiple NSManagedObjectContext instances is normally used when you are dealing with multiple threads and a few very rare edge cases. Having multiple NSPersistentStore instances is normally used when you have data that needs to be silo'ed for..

Apple Singleton example query?

http://stackoverflow.com/questions/2410830/apple-singleton-example-query

simple singleton. Apple is demonstrating a Forced Singleton in that it is impossible to create two of them. It is very rare to really need this. You can almost always use the shared singleton approach used by most of the Cocoa objects that have.. need a forced singleton because the object in question maps to a unique resource that cannot be shared and it's really rare to encounter such a situation then you still shouldn't use alloc trickery to enforce it. This just masks a programming error..

Basic art for the programmer? [closed]

http://stackoverflow.com/questions/334812/basic-art-for-the-programmer

but the ones that are well designed match the style you're aiming for and don't have restrictive licenses are pretty rare. It's hard to pay 500 or more out of pocket but if you pick a good designer I think in most cases it will add a level of..

pinch zooming for a UIWebView for ios 3.0 and newer

http://stackoverflow.com/questions/4646365/pinch-zooming-for-a-uiwebview-for-ios-3-0-and-newer

can't really tell which ios are they talking about I'm really lost now. So if some veteran in coco touch which is very rare to find can guide us. Do i need a uiscrollview What do i really need to implement When would i need to capture touches events..

SUBQUERY in core data

http://stackoverflow.com/questions/6890079/subquery-in-core-data

share improve this question You don't need SUBQUERY for this. In fact you almost never need SUBQUERY it is extremely rare to find a situation where it is the correct thing to use. You can do this instead NSPredicate predicateWithFormat @ ANY..

performSelector may cause a leak because its selector is unknown

http://stackoverflow.com/questions/7017281/performselector-may-cause-a-leak-because-its-selector-is-unknown

ref counting share improve this question Solution The compiler is warning about this for a reason. It's very rare that this warning should simply be ignored and it's easy to work around. Here's how SEL selector NSSelectorFromString @.. but really it'd be better to simply use the IMP and function pointer methodology above. Since consumed parameters are rarely an issue this isn't likely to come up. Static Selectors Interestingly the compiler will not complain about selectors declared.. you're not importing all headers. You could end up with crashes in code that the compiler thinks is fine. This is very rare but could happen. Usually you'll just get a warning that it doesn't know which of two method signatures to choose from...

Which initializer(s) to override for UITableViewController subclass

http://stackoverflow.com/questions/743010/which-initializers-to-override-for-uitableviewcontroller-subclass

#2 and #3 since the class can be loaded from a NIB or instantiated via code with reference to a NIB. I imagine it's rare that you'll use both initWithStyle and initWithNibName bundle for a single class. I found Apple's Coding Guidelines for..

Moving a Stick figure, anchorpoints, animation, or something else…?

http://stackoverflow.com/questions/7808981/moving-a-stick-figure-anchorpoints-animation-or-something-else

because it avoids having to recalculate the position every time the contentSize of the node changes. 3 There are rare cases where an artist provided me with an updated image of a game object. The image size has changed so it no longer fits..

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

pointer is trickier. You shouldn't have much of this in any case. You cannot put an id in a struct . This is fairly rare but sometimes it's used to pack data. If you did not follow correct KVC naming and you intermix ARC and non ARC code you..

iPhone SDK: How do you measure the width and height of a string using Quartz?

http://stackoverflow.com/questions/913470/iphone-sdk-how-do-you-measure-the-width-and-height-of-a-string-using-quartz

ATSUI has several functions that obtain text metrics. Not only can you obtain after layout text metrics but in the rare cases you need them you can obtain before layout text metrics. Unlike Quartz for which you must perform the calculations..