2014/10/15 下午 10:12:50
iphone Programming Glossary: potentiallyHow to implement re-ordering of CoreData records? http://stackoverflow.com/questions/1077568/how-to-implement-re-ordering-of-coredata-records but using contiguous numbers for ordering index has a problem. if I am dealing with lots of data reordering a record potentially involves updating a lot of records on the ordering info it's sorta like changing the order of an array element What's the..
How does the iOS app Display Recorder record the screen without using private API? http://stackoverflow.com/questions/11090184/how-does-the-ios-app-display-recorder-record-the-screen-without-using-private-ap will likely never know. One thing that is interesting to me is that there are still many more tricks developers could potentially use to hide their app's behavior from static analysis. No reviewing process is perfect but they can do pretty well. Even..
How do I correctly use ABAddressBookCreateWithOptions method in iOS 6? http://stackoverflow.com/questions/12083643/how-do-i-correctly-use-abaddressbookcreatewithoptions-method-in-ios-6 need replace a method which returns an Array. If you'd rather not block while the user is deciding and are ready to potentially rewrite some of your existing code please look at David's solution below ABAddressBookRef addressBook ABAddressBookCreate..
Need content in UIWebView to display quickly http://stackoverflow.com/questions/1246420/need-content-in-uiwebview-to-display-quickly the stuff I've cached immediately Here are my thoughts write even more code to cache these other references. This is potentially a ton more code to catch all the edge cases etc. especially having to parse the Javascript to see what it loads after the..
How can I overlap audio files and combine for iPhone in Xcode? http://stackoverflow.com/questions/12628554/how-can-i-overlap-audio-files-and-combine-for-iphone-in-xcode can I overlap audio files and combine for iPhone in Xcode So I have two audio files same format potentially different length. I would like to combine these files overlay the audio from one onto the other NOT join them at ends ...
Does CoreData on iPhone support IN predicates? http://stackoverflow.com/questions/1436032/does-coredata-on-iphone-support-in-predicates
Core Data - Storing Images (iPhone) http://stackoverflow.com/questions/2090028/core-data-storing-images-iphone object is not called up unless required . However I am unsure how to practically store the image and whether this is potentially fatal in terms of performance. I would be grateful for any advice on the approach and pitfalls from anyone who has attempted..
How can simulate the IPhone app upgrade process in the SDK simulator http://stackoverflow.com/questions/2375807/how-can-simulate-the-iphone-app-upgrade-process-in-the-sdk-simulator the core data model and I'd like to simulate the upgrade process in the simulator before releasing it to users and potentially causing data loss for them. There doesn't seem to be any real good doucumentation on how to do this in a sandbox before..
Detecting Acceleration in a car (iPhone Accelerometer) http://stackoverflow.com/questions/2733249/detecting-acceleration-in-a-car-iphone-accelerometer is even more inaccurate now than before. So basically all you math and iPhone brains out there any glaring errors Any potentially better solutions Any experience that could be useful at all Award offering a bounty of 250 to the first answer that leads..
How to dump data stored in objective-c object (NSArray or NSDictionary) http://stackoverflow.com/questions/289241/how-to-dump-data-stored-in-objective-c-object-nsarray-or-nsdictionary to dump data stored in objective c object NSArray or NSDictionary Forgive me for a potentially silly question here but in other programming languages scripting ones like PHP or Perl it is often easy to dump everything..
How to make a chat system on iPhone? http://stackoverflow.com/questions/3380851/how-to-make-a-chat-system-on-iphone lag as each participant will have to wait longer for others before they can post their own responses to others. And potentially it might also be too much to handle for the server to respond to lots of requests all the time. It would also waste bandwidth..
NSDateFormatter dateFromString returns nil http://stackoverflow.com/questions/4258266/nsdateformatter-datefromstring-returns-nil user's preferences. The date string above @ Tue 23 Nov 2010 16 14 14 0000 contains English words Tue Sep that would potentially not be recognized by the date formatter if the locale would be set to anything other than English. Moreover users from non..
http://stackoverflow.com/questions/5360846/suspend-the-application to cancel an operation before it begins and they expect to get a chance to confirm their intention to perform a potentially destructive action. Finally people expect to be able to gracefully stop an operation that 䏭 underway. There should be no..
Am I abusing UIViewController Subclassing? http://stackoverflow.com/questions/5691226/am-i-abusing-uiviewcontroller-subclassing possible to define your own container view controllers i.e. view controllers that manage other view controllers and potentially display the views of multiple view controllers at the same time. You can read more about it in the guide linked above in..
How do I use a UIWebView in a Table Cell? http://stackoverflow.com/questions/646809/how-do-i-use-a-uiwebview-in-a-table-cell offscreen you should always practice lazy loading on the iPhone. Putting UIWebviews in a UITableView will come with a potentially unacceptable performance hit. You will need to use other means to accomplish your goal. Unfortunately NSAttributedString..
Crash when adding persistent store (iCloud enabled) in app delegate http://stackoverflow.com/questions/8021753/crash-when-adding-persistent-store-icloud-enabled-in-app-delegate have to create new App IDs and update provisioning profiles each time I thought it best to update what I've learned to potentially narrow down the cause and get to a quicker solution. Going through iCloud Storage Backup Manage Storage then deleting the..
What does the property “Nonatomic” mean? http://stackoverflow.com/questions/821692/what-does-the-property-nonatomic-mean You can get partially written values or over released retained objects which can easily lead to crashes. This is potentially a lot faster than an atomic accessor though. If you use the default which is atomic there used to be no keyword for this..
File transfer between android and iPhone via bluetooth? http://stackoverflow.com/questions/8707753/file-transfer-between-android-and-iphone-via-bluetooth use the GameKit APIs primarily meant for peer to peer gaming to talk to other iOS device using Bluetooth. So you can potentially write an App over this API to do file transfer between iOS devices But Gamekit will not work for iOS to Android share..
How to manage Enterprise Distribution certificate expiration? http://stackoverflow.com/questions/9216485/how-to-manage-enterprise-distribution-certificate-expiration to your users. See 憕roviding Updated Apps page 10 Am I missing something or is is possible that the employees with potentially hundreds of iOS devices with several In House apps can't open their applications while they wait for the resigned apps ..
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