mixins Questions

2

Solved

What is the difference between: class A {} class B with A{} and mixin A{} class B with A{} ?
Flyback asked 5/5, 2022 at 20:15

5

Solved

I am trying to implement an EventEmitter/Subscriber relationship between two components in a react native class. I have seen referenced the following materials: React Native - Event Emitters by C...
Ossein asked 21/4, 2016 at 15:44

7

Solved

Here is the screenshot of my website structure. In my mixins file, I have created all the necessary sass mixins. I have created this mixin for border radius: @mixin border-radius($radius) { ...
Raiment asked 12/4, 2015 at 15:34

4

Solved

I just want to be able to call {{ globalThing(0) }} in templates, without needing to define globalThing in each .vue file. I've tried all manner of plugin configurations (or mixins? not sure if...
Denigrate asked 26/8, 2019 at 13:47

1

Solved

Two mixin classes specify requirements as abstract methods. Together, the classes have a full set of concrete methods. However, they fail to combine into a concrete class: no matter which order I u...

2

Solved

I have this mixin to handle a simple CSS3 linear gradient: @mixin linear-gradient($from, $to, $dir: bottom, $dir-webkit: top, $ie-filters: false) { background-color: $to; background-image: -webki...
Refrangible asked 21/1, 2013 at 9:43

10

What is the difference between a mixin and inheritance?
Biedermeier asked 13/5, 2009 at 20:31

1

Solved

I have been playing around with Dart 3 a bit and am a fan of the new class modifiers. But one I can't seem to get my head around: why does interface class exist? I understand interface mixin becaus...
Epifocal asked 3/3, 2023 at 11:27

1

Solved

After upgrading to Flutter 3.10 (and Dart 3), I am getting this error: The class 'PreferredSizeWidget' can't be used as a mixin because it's neither a mixin class nor a mixin. The current version...
Glyptic asked 12/5, 2023 at 10:2

7

When I run sass --watch app.sass:app.css terminal shows that changes have been detected to sass but won't compile to css. I am using Bourbon so all my .scss and .sass files are imported via mixins....
Udell asked 22/1, 2015 at 23:9

3

Solved

I'm trying to use the new python dataclasses to create some mix-in classes (already as I write this I think it sounds like a rash idea), and I'm having some issues. Behold the example below: from d...

11

I've heard that it's possible with extension methods, but I can't quite figure it out myself. I'd like to see a specific example if possible. Thanks!
Tejeda asked 1/11, 2008 at 5:14

7

Solved

I'm trying to get my head around the Mixin concept but I can't seem to understand what it is. The way I see it is that it's a way to expand the capabilities of a class by using inheritance. I've re...
Picket asked 12/9, 2013 at 20:3

5

Solved

Normally, I use a dispatch method of a class based view to set some initial variables or add some logic based on user's permissions. For example, from django.views.generic import FormView from b...
Arlon asked 7/1, 2015 at 16:39

18

Solved

In Programming Python, Mark Lutz mentions the term mixin. I am from a C/C++/C# background and I have not heard the term before. What is a mixin? Reading between the lines of this example (which I h...
Cleric asked 10/2, 2009 at 18:50

3

Solved

Consider the following: type Properties = { foo: { n: number }; bar: { s: string }; baz: { b: boolean }; }; declare function retrieveValues<K extends keyof Properties>(add?: K[]): Pick&l...
Unfortunate asked 24/11, 2017 at 0:34

6

Solved

I've seen how to define a class as being a singleton (how to create a singleton in Ruby): require 'singleton' class Example include Singleton end But what if I want to pass some parameters to #...

4

I'm using mixins in the subset components of app.vue without any problems, everything is good and works fine, but when I want to use it into the app.vue component, i'm having error in console. &lt...
Georgy asked 14/4, 2019 at 5:3

6

Solved

I have the following Sass mixin, which is a half complete modification of an RGBa example: @mixin background-opacity($color, $opacity: .3) { background: rgb(200, 54, 54); /* The Fallback */ back...
Merari asked 7/6, 2012 at 9:49

4

Solved

I'd like to use a Mixin to always add some init functionality to my child classes which each inherit from different API base classes. Specifically, I'd like to make multiple different child classes...
Lucilucia asked 23/5, 2011 at 14:57

3

I created a mixin for my class. The mixin itself works fine, it's not the issue that most people have where they mix faterxml/codehaus annotations. I tested it in a unit test, creating the ObjectMa...
Chutzpah asked 5/7, 2018 at 13:40

1

Im trying to implement Mixin patter while Im using Pydantics BaseClass to facilitate the instantiation and validation of data from my class. The problem is that my Mixins cannot inhirit from my bas...
Hardspun asked 15/7, 2021 at 16:57

5

Solved

Can I call mixin function from asyncData() method of the page component with Nuxt.js? My code: <template> ... </template> <script> import api from "@/plugins/api/api.js" ......
Hebel asked 18/3, 2019 at 10:11

2

Solved

The class ResponseEntity doesn't have a default constructor. Then in order to deserialize it with objectMapper I decided to use the approach given by araqnid in that answer. Shortly - it needs to ...
Deanadeanda asked 21/11, 2019 at 19:17

3

Solved

Let's say, I have a pre-existing mapping as a dictionary: value_map = {'a': 1, 'b': 2} I can create an enum class from this like so: from enum import Enum MyEnum = Enum('MyEnum', value_map) a...
Lodgings asked 18/3, 2019 at 11:43

© 2022 - 2024 — McMap. All rights reserved.