Recent questions tagged iOS

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ios - How can I delete object from core data in swift 3

This is how I save data to core, now I want to delete specific object from whole data. How can I do that? ... , in UITableView. How to do that? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - Sending data from one ViewController to another.

I have got two ViewController: 1) ViewController 2) TestAppViewController In ViewController.h, I define a label, whose ... , it gives me nil. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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383 views

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ios - NSString encoding returns nil on url content

I'm following an iOS Swift guide on Udemy and this is the first issue I cannot work around: I am supposed ... next part until this is resolved. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - cast value of type 'UITableViewCell' to Custom Cell

I usually never have a problem with this step, but for some reason when I re set up my storyboard now I ... this line my code worked again. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - Adding multiple arrays to form one final array. Debug swift xcode

I am trying to create a flashcard app. I successfully got the app too the point where there were 11 different arrays ... codes nothing. } } } } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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257 views

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ios - Sprite Kit Create an iAdBanner

I want to create an iAdBanner in my SpriteKit game, but i don't know how it works. Could you help me? I haven' ... to post my code. Thank you!! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - How to upload audio with Alamofire multipart upload?

I want to upload and audio file with using Alamofire. I see other questions which are telling to use Multipart ... confusing for me. Thanks. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - Firebase querying - I get some type of NSArray as result (only sometimes)

so I've got a firebase database like this: userIndexes -- 1: uid1 -- 2: uid2 -- 3: uid3 I want to get ... , it just gets nil Why is that? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - how to return value after the execution of the block? Swift

I want to get a value from function. There is a block in function. When block executes the function already ... ) } } return superPlace } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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299 views

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ios - Randomly choosing an item from a Swift array without repeating

This code picks a random color from a array of pre-set colors. How do I make it so the same color doesn ... sourceName) = (colorArray[random()]) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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250 views

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ios - Repeat interval for UNNotification

There is an option to set the repeat interval for UILocalNotification. Since Apple has deprecated ... the new UNNotification? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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197 views

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ios - How to make a call which begin with * in iPhone?

In my application, I want to call the number *111, when I use this URL tel:*111 to call, but can't ... sharedApplication] openURL:@"tel:111"]; See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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296 views

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ios - Cannot assign value of type '() -> Void' to type '(() -> Void)!'

after updating to xcode 8 beta 6, I'm getting the error Cannot assign value of type '() -> Void' to type '( ... btn } any suggestions on a fix? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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313 views

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ios - Swift 3.0, Alamofire 4.0 Extra argument 'method' in call

I have read all the questions on this issue this and this. I have the following code let fullURL = God. ... still no change. Same issue. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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369 views

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ios - Why my NSDateFormatter returns null?

Why my NSDateFormatter returns null? Here is my code: NSString *dateString = @"21-12-2012 11:05:15"; ... , anyone has experienced the same? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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159 views

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ios - How to use multi-path update with the REST API in Firebase? Error 400

I would like to update multiple nodes in a single operation using the firebase REST API and Vapor framework. When I ... error" : message]) } } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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690 views

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ios - UIWebView VS WKWebView to load local html

i create a html string with 500 p tag with timestamp in it i use UIWebView and WKWebView ... .1681529879570007 WKWebView:0.3913570046424866 See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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508 views

1 answer

ios - UISwitch in accessory view of a tableviewcell, passing a parameter with the selector to have selector function see the indexpath.row?

I have a UISwitch in a tableviewcontroller, and when the switch is toggled I want it to change the value of a ... can't because its a selector? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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214 views

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ios - Bridge Google Drive API to Swift

From a previously removed post: I am struggling to get the Google Drive API to work with Swift, and hoping ... bridging header should I use? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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255 views

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ios - change Table to Edit mode and delete Rows inside a normal ViewController

I just inserted a table into a normal UIViewController and connected the delegate and source components ... integrated a navigationController. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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166 views

1 answer

ios - Submit data to Google Spreadsheet Form from Objective-C

Is there a library, blog post, etc. that can be used to submit data to a Google Spreadsheet using Forms ... of this question for Android. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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201 views

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ios - Firebase queryEqualToValue with childKey

I am trying to query data in my Firebase database using: queryEqual(toValue: Any?, childKey: String?) My database ... value of test school 1. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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262 views

1 answer

ios - I added a localization in xcode, removed it and now my storyboard is gone

So I wanted to try localizing my app. I had one single Storyboard.storyboard in my project folder. I checked the " ... where to go from here... See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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311 views

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ios - UIImagePickerController in Swift 3

I've recently updated to Swift 3 in Xcode 8 using the developer beta. I'm trying to implement Firebase Auth, ... but still get that same error. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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466 views

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ios - UIImageView not showing transparency of PNG Images from UIImagePickerController

I surely hope I am missing something because I do not understand why this is working the way it does. ... transparency properties for the image. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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372 views

1 answer

ios - Swift - Get date from day of year

We can get day of year for date using below line. let day = cal.ordinalityOfUnit(.Day, inUnit: .Year, forDate: ... the date from day of year? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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163 views

1 answer

ios - Customizing UILocalNotification's alert

I have to change the alertView of a UILocalNotification. How can I achieve this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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234 views

1 answer

ios - SKSPriteNode position changes to 0,0 for no reason

I create an SKSpriteNode in didBeginContact method with location of contact: CommonBox *boxTwo = [[CommonBox alloc] ... it has physics body? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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