2014/10/15 下午 10:04:55

iphone Programming Glossary: cars

Objective-C 101 (retain vs assign) NSString

http://stackoverflow.com/questions/1380338/objective-c-101-retain-vs-assign-nsstring

C 101 retain vs assign NSString A 101 question Let's say i'm making database of cars and each car object is defined as #import UIKit UIKit.h @interface Car NSObject NSString name @property nonatomic retain..

Core Data: Quickest way to delete all instances of an entity

http://stackoverflow.com/questions/1383598/core-data-quickest-way-to-delete-all-instances-of-an-entity

for let's say Cars could be about 2000 of them and I can't make the Web Service return anything less than 1 or ALL cars. The next time I open my application I want to refresh the Core Data persisted copy by calling the Web Service for all Cars.. myContext allCars setIncludesPropertyValues NO only fetch the managedObjectID NSError error nil NSArray cars myContext executeFetchRequest allCars error error allCars release error handling goes here for NSManagedObject car in cars.. myContext executeFetchRequest allCars error error allCars release error handling goes here for NSManagedObject car in cars myContext deleteObject car NSError saveError nil myContext save saveError more error handling here share improve this..

Implementing NSCopying

http://stackoverflow.com/questions/4089238/implementing-nscopying

objectForKey @ Telephone objectForKey @ @PhoneNumber availableCars NSMutableArray alloc init NSMutableArray cars NSMutableArray vehVendorAvails objectForKey @ VehAvails for int i 0 i cars count i Car car Car alloc initFromVehicleDictionary.. NSMutableArray alloc init NSMutableArray cars NSMutableArray vehVendorAvails objectForKey @ VehAvails for int i 0 i cars count i Car car Car alloc initFromVehicleDictionary cars objectAtIndex i availableCars addObject car car release self.venLogo.. vehVendorAvails objectForKey @ VehAvails for int i 0 i cars count i Car car Car alloc initFromVehicleDictionary cars objectAtIndex i availableCars addObject car car release self.venLogo vehVendorAvails objectForKey @ Info objectForKey @..

Objective-C JSON - Convert JSON object to native object?

http://stackoverflow.com/questions/7589794/objective-c-json-convert-json-object-to-native-object

like this.. when you do request responseString JSONValue valueForKey @ list it will return an array of list of your cars . Then you iterate each array and save it into your car element... Example NSArray arrayCar NSArray arrayWithArray request..