Questions tagged [initializer]

Initializers are called to create a new instance of a particular type. In its simplest form, an initializer is like an instance method with no parameters

684 questions
0
votes
0 answers

Ambiguous reference to member 'init(coder:)' when calling super.init(nibName: nibNameOrNil, bundle: nil)

While trying to implement the cocoa pod, BWWalkthrough, into my current project programmatically, I ran into a problem with the init functions/inheritance. I tried to subclass BWWalkThroughViewController in my own class…
0
votes
1 answer

Seeding fails when initializer is triggered

Lately, I have been using the next initializer in a Rails 5 project: initializers/initialize_configs.rb $current_city = Config.first.city But after a few changes, I had to rails db:migrate and rails db:seed and then, I got this error. Until that…
Juanse Cora
  • 755
  • 9
  • 19
0
votes
0 answers

Missing Initializer In Bitfield Declaration in C

I have a struct defined as: #pragma pack(push,1) typedef struct { uint8_t source_ID; uint8_t dest_ID; union { uint8_t node_ID; struct { unsigned int dest : 4; unsigned int source : 4; …
cDreamer
  • 385
  • 5
  • 18
0
votes
2 answers

Property Initializer cannot reference non-static field

I thought the new C# 6.0 property initializers like this. public MyType MyProperty { get; } = new MyType(OtherProperty); was the equivalent of this private MyType _myVariable; public MyType MyProperty { get { return _myVariable ?? _myVariable = new…
Colin Steel
  • 1,045
  • 1
  • 11
  • 24
0
votes
1 answer

override initializer from generic class

open class CheckItem: DataTableItem { public override init(_ data: T, getter: @escaping (T) -> U) { super.init(data, getter: getter) } } open class DataTableItem
Andrew
  • 3
  • 2
0
votes
1 answer

OO Javascript: array not getting initialized

I'm programming a library (in ES6 Javascript) with three classes: opening hours, book, books. And the "main" class library (which consists of the previous classes). The console error I'm getting is the following: Uncaught TypeError: Cannot set…
0
votes
1 answer

adding custom font for tableview cells

I wanted to add a custom font to my app so I added it here as I did for other labels. let question = QuestionController.questionsList[questionIndex] cell.nameLabel.text = question.answers?[indexPath.row] cell.nameLabel.numberOfLines =…
sheishistoric
  • 85
  • 1
  • 9
0
votes
0 answers

c# property with private setter: why do new [..class..] .. { private property initializer = ... } work?

I have this example code: static class Program { var x = new TestClass { TestList = { "Peter", "Paul" } }; // x.TestList is loaded with 3 string elements: "Hi there", "Peter", "Paul" } public class TestClass { public List
Troncho
  • 81
  • 7
0
votes
0 answers

Compilation error failable initializer of struct

I have to initialise values by reading from JSON file hence was writing failable initiazer. Please review following code and provide suggestions struct ViewModel { var cards : EmployeeData init?() { if let path =…
0
votes
1 answer

Swift Playground - Use of unimplemented initializer 'init(size:)' for class

I have a class Branch and I have implemented my custom initializer for it. I got an error stating that I have not implemented the init?(coder aDecoder) initializer, which I implemented after that. I am still getting an error saying Fatal error: Use…
Rimil Dey
  • 827
  • 2
  • 13
  • 33
0
votes
1 answer

How to reset a variable in tensorflow?

I want to execute a graph, change the value of a single variable, and then execute the graph again with the change absorbed by any downstream variables. As an example, A = tf.distributions.Normal(0.0, 1.0) B = tf.distributions.Normal(0.0, 1.0) a =…
jdowner
  • 718
  • 1
  • 8
  • 21
0
votes
0 answers

Tensorflow use trained model to make predictions initialization error

I've trained a model on some data (just a simple classification task). After, I wish to use this same model to run some predictions via a separate function make_prediction(). So currently my main file is simply something like…
tryingtolearn
  • 2,528
  • 7
  • 26
  • 45
0
votes
1 answer

About xavier_initializer in tensorflow

I see the following explanation of xavier_initializer(). It says var(wi) = 1/Navg which take the number of input neurons during practical…
user1424739
  • 11,937
  • 17
  • 63
  • 152
0
votes
2 answers

Get list of attributes required to initialize an object of a class

In Python, Is there a way to get list of attributes required to initialize an object of a class? For e.g. I have below class: class MyClass: def __init__(self, a, b, c): self.a = a self.b = b self.c = c And I would like to get, ['a',…
0
votes
1 answer

Rspec on lib + initializer

I'm trying to test a lib I've created. It auto load with an initializer. Here is what I have # config/initializer/my_lib.rb MyLib.configure do |config| config.salt = Rails.application.secrets.encrypted_salt config.secret =…
brcebn
  • 1,571
  • 1
  • 23
  • 46