mixin | RnD project to compare various mixin approaches in TypeScript | Frontend Framework library

I'm Using GetX Package for State Management in Flutter. I'm trying to show data based on whether condition is true or not. But gets this error which says `type 'bool' is not a subtype of type 'RxBool' in type cast'.

Below is my code which I'm trying to show. Thanks for help. :)

I am testing a VueJS 2 application using vue-test-utils library and I want to check if the mixin was passed to specific component, something like mounting the component using mount and accessing the mixin throw something like wrapper.vm.mixins.

I've already tried to access using: wrapper.vm.mixin, wrapper.vm.mixins, wrapper.mixin, wrapper.mixins, wrapper.vm.$mixin and wrapper.vm.$mixins.

My vue component is like this:

I'm trying to make a mixin that can detect whether to show dark text (if the colour passed into buttonStyles is light), or light text (for passing darker colours). I remember there was a way to do it with LESS and wondered whether there's a SASS way.

Consider this SCSS:

I was trying through some advanced techniques used to refactor sequilize.js models and came across how instanceMethods method can be used and util functions can be attached to it.

Example:

I am using this vue js plugin: https://github.com/Godofbrowser/vuejs-dialog

Following the guide, I am trying to integrate a custom component into my dialog. The Dialog shows but no content or the custom component is displayed. Also, the configuration does not seem to work.

Am I missing something here? I followed the documentaion.

Here it the content of my main.js:

I have 2 projects with vue yandex maps in vue 3:

First project

Demo first project where work vue yandex maps. In this project package registered like this:

Code main.js where registered vue-yandex-maps components from js file:

I was unable to change the validation border color by modifying bootstrap's theme. My goal here is to change valid to be pink so I can see the change and invalid to blue for the same reason.

This is the code that I tried using:

I'm studying MUI, and in the course, the instructor asks me to style just one component and not the entire theme.

For that, it uses the makeStyles function and spreads the theme.mixins.toolbar. The problem is when I do this, I have the following error:

In C++23, deducing this is finally added to the standard.

Based on what I've read from the proposal, it opens up a new way of creating mixins, and possible to create recursive lambdas.

But I'm confused if this parameter creates a "copy" without using templates since there is no reference or does the explicit this parameter have its own rules of value category?

Since: