I am using signals in Angular 18 for small local states. But I don't understand why and when I should use them instead of a normal class member. Let's take a simple toggle: Example 1 @Component({...}) export class ToggleComponent {…
I have a list of (lots of) coordinates. coordinateList = [[1,2], [2,1], [3,5]]; These coordinates are unique and since I have a lot of them I want to be able to quickly check if a new coordinate is already in…
I am attempting to make a system that allows the user to upload an image and then it will replace the already placeholder image with the uploaded image by the user, I have attempted the JavaScript code below, but it…
I'm working on a web-based game where a player chooses a type of action, and then a space on which to take that action. Rather than write the web infrastructure first (I'm planning on using express.js) I'm writing the actions…
This drove me insane, and I figured out a workaround. But I want to understand why it does not work in a straight forward way. Essentially, I have my main vue view, and a custom function I want to import.…
I'm currently learning how to use function components in react and got a bit of a timing problem. As it seems, the event that should trigger a rerender is called between the rendering of the component and the call to…
I am currently working with django restframwork, I am on my training period. I created a api for lottery management system using DRF and in this restful api i added IsAuthenticated permission class. Now i am creating demo project for…
I'm trying to send JSON data from JavaScript to my C# code in an ASP.NET Razor Pages project, but I keep getting a "400 Bad Request" error. The goal is to parse and handle the data in the C# backend.…
The following is an interface. /** * @interface */ class ISomething { /** * @return {number} */ static aMethod() { throw new Error('not implemented'); } /** * @type {Object} */ static property; } The following is an implementation, and no…
I am trying to fetch some data inside my component using useEffect hook and it is going in infinite loop. I am using this react tutorial page and this race conditions page for reference. Here is my code. function AppNew…