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SWIFT QUESTIONS

Swift/iOS: How to access Object properties when type-casted from Protocol?
Swift/iOS: How to access Object properties when type-casted from Protocol?
I think the issue was by ths following , The following post will help you better understand the issuehttps://www.lesstroud.com/dynamic-dispatch-with-nsmanaged-in-swift/
TAG : swift
Date : November 29 2020, 01:01 AM , By : Nicholas Hall
consecutive statement need to have ; error in swift
consecutive statement need to have ; error in swift
this one helps. I m having errors in swift project like consecutive statement need to be separated by ; , Try the below snippet
TAG : swift
Date : November 22 2020, 03:03 PM , By : Erich K.
Trying to create a 32 bpc NSBitmapImageRep, getting hit with errors
Trying to create a 32 bpc NSBitmapImageRep, getting hit with errors
this will help You are trying to assign 32 bitsPerSample which is out of the range specified in the docs:bps
TAG : swift
Date : November 22 2020, 10:48 AM , By : user2956052
Does locationManager:didUpdateLocations: method called at the same time in extension and its containing app
Does locationManager:didUpdateLocations: method called at the same time in extension and its containing app
With these it helps There is no guarantee that the updates will happen at the same time. It might be that they happen to be at the same time, but this is not guaranteed to be true, so you couldn't rely on it.Assuming that the phone isn't moving too q
TAG : swift
Date : November 22 2020, 10:48 AM , By : user2956014
Can't get Data using SwiftyJSON
Can't get Data using SwiftyJSON
hop of those help? I using SwiftyJSON to parse data from URL to JSON Object, but the data is nil. Here my code , The response is malformed.
TAG : swift
Date : November 22 2020, 10:48 AM , By : user2955964
Convert String to UnsafeMutablePointer<char_t> in Swift
Convert String to UnsafeMutablePointer<char_t> in Swift
should help you out It all depends on what char_t is.If char_t converts to Int8 then the following will work.
TAG : swift
Date : November 22 2020, 10:48 AM , By : Tom Boersma
inout param with empty object since nil won't work
inout param with empty object since nil won't work
To fix the issue you can do There are many things that won’t work here.You need to give more than [] to declare an array. You need to give some indication of it’s element type. Either in the brackets e.g. [Int]() or from other context i.e. if test to
TAG : swift
Date : November 22 2020, 10:48 AM , By : user2955734
How to align a mask onto an image
How to align a mask onto an image
I wish this helpful for you The problem here is that if you use aspect fit then the size of the image as displayed depends upon both the size of the original image and the size of the image view. What you are trying to do is to imitate what the image
TAG : swift
Date : November 22 2020, 10:40 AM , By : pok
compiler forcing self inside static method of a function while using dispatch_sync
compiler forcing self inside static method of a function while using dispatch_sync
wish help you to fix your issue The problem is not about dispatch_async, but it's because you are referencing self in a closure.Whenever self is used in a closure, it is captured as a strong reference. That can potentially cause a strong reference cy
TAG : swift
Date : November 22 2020, 10:38 AM , By : maria
private static variable in struct
private static variable in struct
around this issue The private access modifier makes a declaration private to the file and not to the class or struct. That sounds a little weird, I know, but it's how it's implemented in swift.The other 2 access modifiers are:
TAG : swift
Date : November 22 2020, 10:38 AM , By : Kasaragadda Srinu
Conditional "in" for arrays in Swift
Conditional "in" for arrays in Swift
hop of those help? I'd suggest using an Array instead of a Tuple for your basic primes. Then you could use contains() to check if a number is in your array of basic primes. Something like this would work:
TAG : swift
Date : November 22 2020, 10:38 AM , By : user2955267
Extension for Double to accept String as initializer in Swift
Extension for Double to accept String as initializer in Swift
hop of those help? So, you want to natural-language-parse a string, and generate a floating-point number from it?Well, the extension is the easy part. Just create a failable initializer for it:
TAG : swift
Date : November 22 2020, 10:33 AM , By : btyler97
Modifying UIButton Programmatically
Modifying UIButton Programmatically
should help you out Use func setBackgroundImage(_:, forState:) instead of func setImage(_:, forState:), in addition, I would use func titleForState(:) instead of titleLabel?.text.
TAG : swift
Date : November 22 2020, 10:33 AM , By : user2955021
Pass type to generic function and compare
Pass type to generic function and compare
wish help you to fix your issue Consider this simple example , You should check if it's T:
TAG : swift
Date : November 22 2020, 10:33 AM , By : Junhao Dong
How to customise the look of the PFSignUpViewController
How to customise the look of the PFSignUpViewController
Hope that helps You need to subclass PFSignUpViewController, and perform your layout customisations in viewDidLoad and viewDidLayoutSubviews.
TAG : swift
Date : November 22 2020, 10:33 AM , By : user2954840
How to take screen shot programmatically (Swift, SpriteKit)
How to take screen shot programmatically (Swift, SpriteKit)
will be helpful for those in need I think this question could be merged with this one Screenshotting on Iphone in swift only has a white backgroundwhich seems the same
TAG : swift
Date : November 22 2020, 10:31 AM , By : Watt P.
Setting NavigationController's NavigationBar translucent property to false causes extra padding
Setting NavigationController's NavigationBar translucent property to false causes extra padding
like below fixes the issue Ah-ha - got there in the end. When not using a translucent navigation bar you need to ensure that both adjusts scroll view insets and extend edges under opaque bars are set to true on all your view controllers.Here are the
TAG : swift
Date : November 22 2020, 10:31 AM , By : user2954530
Create multiple UIViews when the user taps the screen
Create multiple UIViews when the user taps the screen
should help you out Assuming rectangle is a property, this code only changes the frame of the existing rectangle and re-adds it to the view hierarchy. If you want a new rectangle to be added each time the user begins touching the device, you have to
TAG : swift
Date : November 22 2020, 01:01 AM , By : user2954279
Filter Array of [AnyObject] in Swift
Filter Array of [AnyObject] in Swift
may help you . Your array, objects, is an array of PFObject objects. Thus, to filter the array, you might do something like:
TAG : swift
Date : November 22 2020, 01:01 AM , By : Nollaig MacNioclais
How to add ParseUI to a swift project
How to add ParseUI to a swift project
Hope this helps I'm building an app with Parse.com. I added the following frameworks: , You need to add the following line to Bridging-Header.h
TAG : swift
Date : November 21 2020, 01:01 AM , By : Hitesh Siresiya
Can Swift enums have multiple raw values?
Can Swift enums have multiple raw values?
it should still fix some issue No, an enum cannot have multiple raw values - it has to be a single value, implementing the Equatable protocol, and be literal-convertible as described in the documentation.I think the best approach in your case is to u
TAG : swift
Date : November 20 2020, 01:01 AM , By : Richard
Using a function() variable in a different Class - Swift
Using a function() variable in a different Class - Swift
I hope this helps . How can I use the value of getLevel() inside the customView class? This function is linked with an NSTimer. The values are the decibel values of an mp3 file, which I want to use inside customView to sync the decibels values with a
TAG : swift
Date : November 19 2020, 12:41 AM , By : user2952045
Masking an image in Swift using CALayer and UIImage
Masking an image in Swift using CALayer and UIImage
I think the issue was by ths following , Unfortunately you've asked your question rather badly - you have not said what it is that you are actually trying to do! It looks, however, as if you might be trying to punch a rectangular hole in your image v
TAG : swift
Date : November 18 2020, 01:01 AM , By : user2951282
KVC without NSObject (NSPredicate)
KVC without NSObject (NSPredicate)
it fixes the issue Aren't you making this awfully unnecessarily hard for yourself? Why not just use what Swift gives you - filter, hasPrefix, and so on? I don't know what a User actually is, but let's pretend it's something like this:
TAG : swift
Date : November 18 2020, 01:01 AM , By : user2951262
Any? to Dictionary Cast and retrieving value
Any? to Dictionary Cast and retrieving value
hop of those help? println(paramValue as Dictionary) won't work because dictionary is type-safe.You could use:
TAG : swift
Date : November 18 2020, 01:01 AM , By : user2951221
NSCharacterSet.characterIsMember() with Swift's Character type
NSCharacterSet.characterIsMember() with Swift's Character type
like below fixes the issue My understanding is that unichar is a typealias for UInt16. A unichar is just a number.I think that the problem that you are facing is that a Character in Swift can be composed of more than one unicode "characters". Thus, i
TAG : swift
Date : November 17 2020, 11:58 AM , By : John Sullivan
SCNScene: Calculate projected size of an object
SCNScene: Calculate projected size of an object
I think the issue was by ths following , Use getBoundingBoxMin(_:max:) to find the corners of the space your 3D element occupies in the SceneKit scene.
TAG : swift
Date : November 17 2020, 11:55 AM , By : Indranil Das
How to use contains on a swiftyJSON object
How to use contains on a swiftyJSON object
Any of those help I'm trying to use contains in swift to find a value on an array, however when I use a variable as the predicate, I get a 'String is not convertible to 'S.Generator.Element'. , Instead of calling arrayValue, try object:
TAG : swift
Date : November 17 2020, 11:55 AM , By : Borsi
Index of element in sorted()
Index of element in sorted()
this will help You could pass into sorted not a collection of elements, but the indices of the elements:
TAG : swift
Date : November 17 2020, 11:52 AM , By : MOHAN
How do I initialise a new NSDocument instance in Swift?
How do I initialise a new NSDocument instance in Swift?
will help you Apple documentation suggests to override an NSDocument convenience init (initWithType:error:) as described here. , To execute init code for a new document:
TAG : swift
Date : November 17 2020, 04:28 AM , By : Maurice Périard
Multiple functions with the same name
Multiple functions with the same name
hope this fix your issue You are allowed to define two functions with the same name if they have different Types, or if they can be distinguished by their external parameter argument labels. The Type of a function is composed of the parameter Types i
TAG : swift
Date : November 14 2020, 04:51 PM , By : Artur
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