sure, sqlite is a lib for db too, and core data is an object-c lib for database… both are a good way to manage db, you have just to choose your favorite one… and this may help you: http://tapity.com/iphone-app-development/readwrite-data-on-the-iphone-property-lists-sqlite-or-core-data/ 2 solved Why use Core data for storage? [closed]
The parentheses do not match in your predicate. And to compare with an array or set of values, it is much less error-prone to use the %@ expansion: NSArray *wantedIds = @[@1, @2]; NSPredicate *predicate = [NSPredicate predicateWithFormat:@”ANY programs.programId IN %@”, wantedIds]; 0 solved get all user who progam Id exit in a to many … Read more
Here’s my suggestion: Do not write the iCloud status to your persistent store. Users can enable or disable iCloud at any time. It doesn’t make sense to store the current value, because that might be wrong the next time you want to know. Instead, check the iCloud status when the app starts up, and observe … Read more
Core Data uses SQLite but it is not a SQLite wrapper, it’s a different API that happens to use SQLite as an implementation detail. As a result it has its own ideas about how the schema should be set up and will not attempt to read any other schema. Unless you designed your SQLite data … Read more
The alternative way is to use self-sizing cells. You won’t have to calculate (or cache) any row heights. Add Auto Layout constraints to your tableViewCell’s subviews which will cause the cell to adjust its height based on the subview’s contents. Enable row height estimation. self.tableView.rowHeight = UITableViewAutomaticDimension; self.tableView.estimatedRowHeight = 44.0; For more information, see the … Read more
try using completion handler for your function or may try Operation queue with dependency to wait coreDataAdd (where : “User”, onCompletion: { (isFinished) in if isFinished { coreDataAdd (where : “Profile”, onCompletion: { (isFinished) in if isFinished { coreDataAdd (where : “Profile”, onCompletion: { (isFinished) in if isFinished //Here segue to the next view let … Read more
Check the managedObjectContext property of the managed object. return object.managedObjectContext != nil; 0 solved check if entity is in context of Core Data [closed]