How to apply function that returns Result to each element of HashSet in Rust

As a language that aims for safety and performance, Rust provides a powerful data structure called HashSet that provides a fast and efficient way to store and retrieve unique values. HashSet is optimized for scenarios where you need to check for the presence of a value and avoid duplicates, making it a popular choice among… Read More How to apply function that returns Result to each element of HashSet in Rust

How to Create a Progress Indicator for WebView in Flutter

import ‘package:flutter/material.dart’; import ‘package:webview_flutter/webview_flutter.dart’; void main() => runApp(MyApp()); class MyApp extends StatelessWidget { @override Widget build(BuildContext context) { return MaterialApp( home: Scaffold( body: WebViewClass() ) ); } } class WebViewClass extends StatefulWidget { WebViewState createState() => WebViewState(); } class WebViewState extends State<WebViewClass>{ num position = 1 ; final key = UniqueKey(); doneLoading(String A) { setState(()… Read More How to Create a Progress Indicator for WebView in Flutter

Function argument type inference and conditional type

I’m trying to cover following case: I have a function which accepts a boolean and returns value of RealItem | ImaginaryItem type. I’m using conditional type to narrow the return type based on boolean argument. type RealItem = { color: string } type ImaginaryItem = { description: string } export function createItem<T extends boolean>(isReal: T):… Read More Function argument type inference and conditional type

Is there a way to show the count of elements in an HTML element?

I have following dynamically created html markup: <div class="container"> <div class="tmb"><h2 class="tmb-title">Tips & tricks</h2><img src="…"></div> <div class="tmb"><h2 class="tmb-title">About us</h2><img src="…"></div> <div class="tmb"><h2 class="tmb-title">Start up</h2><img src="…"></div> </div> I wanted to add a subtitle before each .tmb-title. So I added following jQuery: $("<p class=’podcast-episode’>Episode 1</p>").insertBefore(".tmb-title"); This adds the subtitle ‘Episode 1’ before each .tmb-title, which is what… Read More Is there a way to show the count of elements in an HTML element?

Why does a non-constexpr std::integral_constant work as a template argument?

My question is why the following code is valid C++: #include <iostream> #include <tuple> #include <type_traits> std::tuple<const char *, const char *> tuple("Hello", "world"); std::integral_constant<std::size_t, 0> zero; std::integral_constant<std::size_t, 1> one; template<typename T> const char * lookup(T n) { // I would expect to have to write this: // return std::get<decltype(n)::value>(tuple); // But actually this works:… Read More Why does a non-constexpr std::integral_constant work as a template argument?

Terraform: use output of one module in another module

I have a module called vpc and another module called ecs. I’m trying to reference the AWS subnets created in the vpc module in ecs. Here’s what I have, so far: main.tf module "ecs" { source = "./service/ecs" public_subnet_ids = module.vpc.ecs-public-subnet.ids } vpc.tf resource "aws_subnet" "public-subnet-1" { … } resource "aws_subnet" "public-subnet-2" { … }… Read More Terraform: use output of one module in another module

How do I call a string inside a different class?

I’m trying to call a string that’s inside a different class, and am wondering how to do so. Currently my though process is just Console.WriteLine(CardData.cardType) But that’s obviously not working. Code: namespace ConsoleUno { class Program { public static class wholeTing { public static List<CardData> cardDataList = new List<CardData>(); public class CardData { public string… Read More How do I call a string inside a different class?