2014/10/15 下午 10:04:58

iphone Programming Glossary: certainly

How can an iPhone access another non-iPhone device over wireless or Bluetooth?

http://stackoverflow.com/questions/1065459/how-can-an-iphone-access-another-non-iphone-device-over-wireless-or-bluetooth

and have seen conflicting information. Much of what I've found was before version 3.0 of the SDK came out when it certainly wasn't possible. Looking at Stack Overflow questions like Can the iPhone 3.0 SDK provide full access to Bluetooth devices..

Delete/Reset all entries in Core Data?

http://stackoverflow.com/questions/1077810/delete-reset-all-entries-in-core-data

or you won't be able to persist your changes. Just removing the store and recreating it is both fast and safe and can certainly be done programatically at runtime. Update for iOS5 With the introduction of external binary storage allowsExternalBinaryDataStorage..

iOS 6 - viewDidUnload migrate to didReceiveMemoryWarning?

http://stackoverflow.com/questions/12674268/ios-6-viewdidunload-migrate-to-didreceivememorywarning

share improve this question The short answer is that in many cases you don't need to change anything. And you most certainly do not want to simply migrate all of the contents of viewDidUnload to didReceiveMemoryWarning . Generally most of us do..

AES Encryption for an NSString on the iPhone

http://stackoverflow.com/questions/1400246/aes-encryption-for-an-nsstring-on-the-iphone

tried the technique detailed in the first comment on this post but I've had no luck so far. Apple's CryptoExercise certainly has something but I can't make sense of it... I've seen lots of references to CCCrypt but it's failed in every case I've..

Encrypted NSData to NSString in obj-c?

http://stackoverflow.com/questions/1417893/encrypted-nsdata-to-nsstring-in-obj-c

AES encryption of NSString objects. Encoding data as Base64 doesn't place any restrictions on the data itself it can certainly be AES enrypted data itself. Here's what to do if you just want string input and output Encryption Provide the NSString..

How do I programatically zoom a UIScrollView?

http://stackoverflow.com/questions/172255/how-do-i-programatically-zoom-a-uiscrollview

insertNewObjectForEntityForName:

http://stackoverflow.com/questions/1780929/insertnewobjectforentityforname

objective c iphone core data share improve this question The fact that you didn't set up the MOC is almost certainly the problem. Most specifically it means you're probably not loading your MOM Managed Object Model that defines Person. Somewhere..

How to implement pedometer in iphone?

http://stackoverflow.com/questions/1984003/how-to-implement-pedometer-in-iphone

it possible to implement pedometer Please give me idea. iphone share improve this question This is certainly possible and I believe has been done. The main drawback is that since the iPhone does not permit 3rd party background tasks..

Implementing Unit Testing with the iPhone SDK

http://stackoverflow.com/questions/2002330/implementing-unit-testing-with-the-iphone-sdk

others seem to think this was intentional. I for one would like both the extended console and in code messages and I certainly do not like the Command bin sh... error and really think they would have documented such an update. Hopefully it will be..

Creating a left-arrow button (like UINavigationBar's “back” style) on a UIToolbar

http://stackoverflow.com/questions/227078/creating-a-left-arrow-button-like-uinavigationbars-back-style-on-a-uitoolba

to put a left arrow shaped Back button in the bottom. Telling me that I shouldn't need to do this is not an answer and certainly doesn't deserve a bounty. iphone ios cocoa touch share improve this question I used the following psd that I derived..

How to intercept click on link in UITextView?

http://stackoverflow.com/questions/2543967/how-to-intercept-click-on-link-in-uitextview

Please do not advice to use UIWebView instead. And please don't just repeat text from apple classes reference certainly I've already read it. Thanks. iphone objective c uitextview datadetectortypes share improve this question A nice way..

How many times do I release an allocated or retained object?

http://stackoverflow.com/questions/3730804/how-many-times-do-i-release-an-allocated-or-retained-object

Am I abusing UIViewController Subclassing?

http://stackoverflow.com/questions/5691226/am-i-abusing-uiviewcontroller-subclassing

when added directly to the UIWindow or other Apple created custom controllers like UINavigationControllers. I'm certainly guilty of adding the views of UIViewController subclasses to the views of other UIViewController subclasses. In fact I thought..

iOS Low Memory Crash, but very low memory usage

http://stackoverflow.com/questions/5980636/ios-low-memory-crash-but-very-low-memory-usage

Thanks for any help iphone objective c ios ipad memory management share improve this question You are almost certainly using a lot more memory than you think. It's not obvious what you have to do to see what your app is really using but once..

How to read objective-c stack traces

http://stackoverflow.com/questions/6462214/how-to-read-objective-c-stack-traces

However without knowing more about the parser I'd question whether it is hardened against malicious input which could certainly cause a crash like this . 3 0x00000002 0x0 2 Stack was undecodable. Ignore. Meaningless. Best case fallout from compiler..

Are the Core Image filters in iOS 5.0 fast enough for realtime video processing?

http://stackoverflow.com/questions/6625888/are-the-core-image-filters-in-ios-5-0-fast-enough-for-realtime-video-processing

FPS for the same on an iPhone 4S. This is about the simplest Core Image filter case you can set up so performance will certainly vary with more complex operations. This would seem to indicate that Core Image cannot do live processing fast enough to..

Core Data vs. SQLite for SQL experienced developers

http://stackoverflow.com/questions/840634/core-data-vs-sqlite-for-sql-experienced-developers

it seems to do a decent job of compilation to SQL. At least for databases of the size you could fit on an iPhone it's certainly been adequate performance wise in my experience. I think the SQL vs. Core Data question is slightly misguided however. Once..

How to capture current view screenshot and reuse in code? (iPhone SDK)

http://stackoverflow.com/questions/879064/how-to-capture-current-view-screenshot-and-reuse-in-code-iphone-sdk

improve this question I can guarantee you window drawRect won't work. Most views don't implement drawRect and it's certainly not recursive like on the mac. drawInContext is also pretty much hosed simalarly as it's fundamentally asking the layer..

Is there any way to determine if the iphone is roaming?

http://stackoverflow.com/questions/900547/is-there-any-way-to-determine-if-the-iphone-is-roaming

com.apple.commcenter key InternationalRoamingEDGE label EDGE_ROAMING_TOGGLE requiredCapabilities telephony This is certainly a lead as it appears I can sign up for notifications that the user has changed the InternationalRoaming settings. Still..

Dispelling the UIImage imageNamed: FUD

http://stackoverflow.com/questions/924740/dispelling-the-uiimage-imagenamed-fud

images bigger and loading them slightly more complex. With the built in support for iPad and retina images you should certainly use ImageNamed in your code. Now for posterity's sake The sister thread on the Apple Dev Forums received some better traffic...