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2014/10/15 ¤U¤È 10:14:30
iphone Programming Glossary: storesI keep on getting “save operation failure” after any change on my XCode Data Model http://stackoverflow.com/questions/1091228/i-keep-on-getting-save-operation-failure-after-any-change-on-my-xcode-data-mod and I get the following NSInternalInconsistencyException' reason 'This NSPersistentStoreCoordinator has no persistent stores. It cannot perform a save operation.' I had this error before I knew about creating new version after changing anything..
MFMailComposeViewController image orientation http://stackoverflow.com/questions/20204495/mfmailcomposeviewcontroller-image-orientation to unlocking this problem is to realize that when you shoot an image in either portrait of landscape the iPhone always stores the UIImage the same way as 3264 wide and 2448 high. A UIImage has a property which describes its orientation at the time..
How to store custom objects in NSUserDefaults http://stackoverflow.com/questions/2315948/how-to-store-custom-objects-in-nsuserdefaults I get when I put my custom class Player in the NSUserDefaults. Now I've read up that apparently NSUserDefaults only stores some types of information. So how an I get my objects into NSUSerDefaults I read that there should be a way to to encode..
iPhone: How to Pass Data Between Several Viewcontrollers in a Tabbar App http://stackoverflow.com/questions/2363777/iphone-how-to-pass-data-between-several-viewcontrollers-in-a-tabbar-app objective c uiviewcontroller uitabbarcontroller share improve this question You need a data model object that stores the data for application. A data model is a customized standalone object accessible from anywhere in the application. The.. from anywhere in the application. The data model object knows nothing about any views or view controllers. It just stores data and the logical relationships between that data. When different parts of the app need to write or read data they right..
How to Deal with Temporary NSManagedObject instances? http://stackoverflow.com/questions/3256195/how-to-deal-with-temporary-nsmanagedobject-instances Now how do I ensure that these temporary objects don't get to the data which I fetch from the common to both stores context Or do I have to create separate contexts for such a task UPD Now I'm thinking about making separate context for..
iPhone Development - Memory limitation for iphone application http://stackoverflow.com/questions/457568/iphone-development-memory-limitation-for-iphone-application that cached for example or that can be regenerated should be dumped. For example if your app crunches some numbers and stores the result in a big array if you're not actively using that array you should release it. Then regenerate it when you need..
http://stackoverflow.com/questions/459833/which-open-source-licenses-are-compatible-with-the-apples-iphone-and-its-offici iphone open source apple licensing app store share improve this question In Short TL DR The LGPL and application stores have a few incompatibilities which means that you do not have the rights to distribute LGPL code on DRM enabled AppStores.. This is another requirement from Section 6. This might be in direct conflict with the terms of various application stores but you need to check the exact terms with the application store you are using Apple Amazon Android or other third parties.. and point to this license on any places of the application that display any copyright notices. Some application stores post this on the application store site while others might have the copyright information on the executable itself. Distribution..
Data syncing with DropBox API and iOS http://stackoverflow.com/questions/4811932/data-syncing-with-dropbox-api-and-ios syncing with DropBox API and iOS I have an iOS app which stores data in the local directory. I'd like to be able to sync this data between multiple devices running my app. Currently this..
How to Sync iPhone Core Data with web server, and then push to other devices? http://stackoverflow.com/questions/5035132/how-to-sync-iphone-core-data-with-web-server-and-then-push-to-other-devices as possible. I have thought about a number of the challenges Making sure that the object IDs for the different data stores on different devices are attached on the server. That is to say I will have a table of object IDs and device IDs which are..
Creating a JSON Store For iPhone http://stackoverflow.com/questions/5237943/creating-a-json-store-for-iphone two or three related entities. Remember also that you can use configuration to put different entities into different stores even if they all share a single context at runtime. This can let you put temporary info into one store use it like more..
Example or explanation of Core Data Migration with multiple passes? http://stackoverflow.com/questions/5995231/example-or-explanation-of-core-data-migration-with-multiple-passes looks like this Data Model Version 2 The difference is The Event entity is gone and we've got two new ones. One which stores a timestamp as a double and the second one which should store a date as NSString . The goal is to transfer all Version 1..
iOS: How to store username/password within an app? http://stackoverflow.com/questions/6972092/ios-how-to-store-username-password-within-an-app to your app there is no need to delete it when app quits if that was your concern . Apple provides sample code that stores reads and deletes keychain items and here is how to use the keychain wrapper class from that sample which greatly simplifies..
What exactly does delegate do in xcode ios project? http://stackoverflow.com/questions/7215698/what-exactly-does-delegate-do-in-xcode-ios-project a contract protocol. id @implementation XXTaskBoard void setDelegate id XXTaskBoardDelegate newDelegate the control stores the delegate so it can callback and ask you questions. Then for the delegate class in the header declare you implement that..
Get NSDate from NSDate adjusted with timezone http://stackoverflow.com/questions/7485493/get-nsdate-from-nsdate-adjusted-with-timezone a date based on current calendar settings NSDate date calendar dateFromComponents timeZoneComps At this point date stores the exact point in time in seconds representing the current calendar. 2. NSDate output using NSDateFormatter For a controlled..
How to use NSJSONSerialization http://stackoverflow.com/questions/8356842/how-to-use-nsjsonserialization 0th element in the array is a dictionary with keys id 1 and name Aaa . I do not understand how the NSJSONSerialization stores the data though. Here is my code so far NSError e nil NSDictionary JSON NSJSONSerialization JSONObjectWithData data options..
http://stackoverflow.com/questions/9763979/download-image-asynchronously libary. I've already implemented that using AsyncImageView which is inherited from UIImageView . What it does is it stores images in Cache memory fetched from a url and whenever you need to load image from the same URL again it will simply load..
Detect at runtime which country's App Store my iPhone app was downloaded from? http://stackoverflow.com/questions/1112046/detect-at-runtime-which-countrys-app-store-my-iphone-app-was-downloaded-from that for business reasons should only be shown available to customers in the US. If I want to release this app to App Stores outside the US what's the best way to figure out which country I'm in without relying on user defined settings such as language..
Importing large datasets on iPhone using CoreData http://stackoverflow.com/questions/2140798/importing-large-datasets-on-iphone-using-coredata
Set the location in iPhone Simulator http://stackoverflow.com/questions/214416/set-the-location-in-iphone-simulator location. Under the Debug menu the last entry is Location this gives you a sub menu with None Custom Location Apple Stores Apple City Bicycle Ride City Run Freeway Drive Custom Location lets you enter a Lat Long value. Bicycle ride City Run and..
Combining Two SQLite Stores Into One http://stackoverflow.com/questions/3741668/combining-two-sqlite-stores-into-one Two SQLite Stores Into One Say I have two SQLite files in my application documents directory. How would I go about combining the two together..
How to find a pixel-positon of a cursor in UITextView? http://stackoverflow.com/questions/3920944/how-to-find-a-pixel-positon-of-a-cursor-in-uitextview of line no word wrap . #define sizeOfContentWidth 1010 #define sizeOfContentHeight 1000 #define sizeOfContentLine 25 Stores the original position of the cursor NSRange originalPosition textView.selectedRange Computes textView's origin CGPoint origin..
http://stackoverflow.com/questions/459833/which-open-source-licenses-are-compatible-with-the-apples-iphone-and-its-offici have a few incompatibilities which means that you do not have the rights to distribute LGPL code on DRM enabled AppStores or locked devices. It is best if you look for alternative implementations of the library under other laxer licenses like.. of your code. You should read this section in detail. Conflicts between Pay for Development and the LGPL Application Stores that require users to pay to enter the program and obtain key certificates provisioning profiles and tools to deploy to..
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