nsstring

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I just started with CoreData yesterday, and I'm going crazy :( I created a project that uses CoreData (ticked the box -use CoreData). Created the entities, and then created the NSManagedObject classes for all the entities (I suppose they create the 'setter' and 'getter' methods for the entities). Now, I #imported all these classes in my AppDeletegate and wrote this in my applicationDidFinishLaunching method: (Subscriptions is one of the Entities in the application) NSManagedObjectContext *context = [self managedObjectContext]; Subscriptions

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I've honestly spent hours on this trying to get it to work. Unfortunately Facebook & App Link's documentation is not clear enough. Even the App Links video from F8 . App Requirements: Share a link to FB as an Open Graph story which users can click on to take them directly into my app and do specific tasks (my app needs to receive specific parameters from the link) Share the link to FB without FB login (i.e. via the Share Dialog and switch to the native iOS FB app as opposed to using API calls). Progress so far: I'm using the following code

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I am using the following code to get the current location,I have added the corelocation framework - (void)viewDidLoad { [super viewDidLoad]; locationManager = [[CLLocationManager alloc] init]; locationManager.delegate = self; locationManager.distanceFilter = kCLDistanceFilterNone; // whenever we move locationManager.desiredAccuracy = kCLLocationAccuracyHundredMeters; // 100 m [locationManager startUpdatingLocation]; } - (void)locationManager:(CLLocationManager *)manager didUpdateToLocation:(CLLocation *)newLocation fromLocation:(CLLocation *

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: For a GET request I've tried this simple method: NSString *urlAddress = @"http://example.com/"; NSURL *url = [NSURL URLWithString:urlAddress]; NSURLRequest *request = [NSURLRequest requestWithURL:url]; [uiWebViewThingy loadRequest:request]; (Although it doesn't seem to work if the request contains high UTF-8 characters. ) I want to send a POST from the iPhone. This also give an overview for sending POST/GET requests although what I really want to do is embed the resulting web page into UIWebView. What would be the best way to go around that?

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 由 翻译 强力驱动 问题: Let's say I have an NSURL ? Whether or not it already has an empty query string, how do I add one or more parameters to the query of the NSURL ? I.e., does anyone know of an implementation of this function? - ( NSURL *) URLByAppendingQueryString :( NSString *) queryString So that it satisfies this NSURL+AdditionsSpec.h file: #import "NSURL+Additions.h" #import "Kiwi.h" SPEC_BEGIN ( NSURL_AdditionsSpec ) describe (@ "NSURL+Additions" , ^{ __block NSURL * aURL ; beforeEach (^{ aURL = [[ NSURL alloc ] initWithString :@ "http://www

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I have tried a lot of options, but can't find the solution for this problem. I created a Core Data file and named the entity Account, Created an string attribute called username. Then edited the class of the entity to NSManagedObject, not sure if this is right. Now, the following code is in my LoginViewController: - ( void ) viewDidLoad { [ super viewDidLoad ]; ITAppDelegate * appDelegate = ( ITAppDelegate *)[[ UIApplication sharedApplication ] delegate ]; NSManagedObjectContext * context = appDelegate . managedObjectContext ; Account *

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I have clarified my previous question. How can I retrieve multiple data simultaneously? (Parse DB, iOS) Hello, I am new to Parse and databases, and I am struggling a bit here. On the view, there are 4 buttons and a label. So basically what I want to do is retrieve first the object of column @"A" (at the same time displaying the data on the label) , and then retrieve the attributes of the same row. When I press any other buttons, they should display the queried attribute which is in the same row with @"A" But currently this code is running a

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I would like to implement logic that uploads file to FTP Server. I am new in iPhone development, so want to figure out preferred approach. After browsing available API for this task I have managed to find only code that uses CFNetwork (that looks like not Objective C based). There is also URL Loading System that uses NSURL etc which are Objective C based. So, my question: Is it possible to use URL Loading System to implement file upload to FTP Server? Thanks. 回答1: I use a PHP Page to post a file to and have PHP handle the uploading.... This

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I'm parsing json with SBJson. I receive an error "-JSONValue failed. Error is: Unescaped control character [0x09]" when parsing my json string, it has unencoded tab. How to replace this tab in my json string to \t? If i remove tab manualy, everything is good. Or how to encode this tab properly? 回答1: You can use stringByReplacingOccurrencesOfString:withString: : NSString * newJsonString = [oldJsonString stringByReplacingOccurrencesOfString:@"\t" withString:@"\\t"]; 文章来源: Replace tab in NSString with \\t