How to use enums as flags in C++?

Treating enums as flags works nicely in C# via the [Flags] attribute, but what's the best way to do this in C++? For example, I'd like to write: enum AnimalFlags { HasClaws = 1, CanFly...

How to open in default browser in C#

I am designing a small C# application and there is a web browser in it. I currently have all of my defaults on my computer say google chrome is my default browser, yet when I click a link in my...

How to express a One-To-Many relationship in Django?

I'm defining my Django models right now and I realized that there wasn't a OneToManyField in the model field types. I'm sure there's a way to do this, so I'm not sure what I'm missing. I...

How to parse HTTP request with a missing content type in Express/ NodeJs, by assuming a default content type?

How can I get access to the POST data in a request, if the express bodyParser does not fire? var server = express(); server.use(express.bodyParser()); server.post('/api/v1', function(req, resp) { ...

Mongoose schema for Multi-User application

I need to make schema for a multi user application I need to develop using MongoDB, Express, AngularJS and NodeJS. I have 4 types of users in that application, GUEST, REGISTERED_USER, SUBSCRIBER,...

How can I use webpack with express?

When I try to use webpack with a simple express server I always get TONS of errors: express.js 'use strict'; var express = require('express'); var path = require('path'); var url =...

When should we use the factory method pattern? (instead of composition)

As per GOF book, Factory method pattern Define an interface for creating an object, but let the subclasses decide which class to instantiate. Factory method lets a class defer instantiation to...

C++17 structured binding that also includes an existing variable

This SO answer lists some shortcomings of C++17 decomposition declarations (the feature formerly known as "structured binding"). For example, you can't give explicit types to the new variables,...

'ts-node' is not recognized as an internal or external command, operable program or batch file

I'm getting error in my Vs Code terminal and command prompt that 'ts-node' is not recognized as an internal or external command, operable program or batch file. while i'm trying the start command...

Inject custom feign client into Spring Application

I am currently trying to get a grip of both Spring and Feign. Cutting straight to the point: I am struggling to modify @FeignClient in this project: Feign Hello World by Walery so as to instead...

TypeScript type annotation for res.body

I'm using typescript for my app node.js express. I would like say the res.body is type personne. I have tried this: router.post('/',(req: Request, res: Response) => { const defunt:PersoneModel...

req.query undefined in Nuxt Express Middleware get request

Not a pro with things like server middleware, but stuck without much clues. In a vue component I am retrieving data with axios with this: axios .get('/api/getDailyFeedback', { params:...

A namespace-style import cannot be called or constructed, and will cause a failure at runtime

Strange stuff happening here, with TypeScript 2.7.2, in VSCode version 1.21 with @types/express and the code that follows, in some cases VSCode throws errors stating that "A namespace-style import...

Node Sass does not yet support Windows 64-bit

I am running protractor UI automation project and try to run test with yarn test and received following build error Module build failed: Error: Node Sass does not yet support your current...

How do I require a keyof to be for a property of a specific type?

I am attempting to write a generic function that can toggle a boolean property in any object by key name. I read the release notes for TypeScript-2.8 and thought that conditional types are...

using UART in VHDL

I'm trying to use UART communication with a Lattice machox3 and a ft232R. I am trying to use the VHDL file I found on eewiki(Here). For some reason I am not being able to get tx to work when I...

Unable to access express/node server on port 3001 despite enabling via firewall-cmd

I've been searching around this morning trying to figure out how to resolve my issue but nothing appears to suit my situation or solve my problem and so here I am. I have a server running on...

Argument of type 'NextHandleFunction' is not assignable to parameter of type 'PathParams'

I've got TypeScript up and running with a basic Express server, and I'm running into an issue. import bodyParser from 'body-parser'; import express, { Express } from 'express'; const app: Express...

Test Batch with Spring boot

I create a batch and everything work well I do some unittest and it's work well too I'm trying to do integration test my batch following spring-batch documentation but i don't understand my...

Module not found: Error: Can't resolve 'fs' in

Oke, I upgraded Angular from 6 to 8. But I stil get errors. I found on internet a solution that for a lot of users helped. But in this case it doesn't helped me. So my package.json file looks like...

React-native node.js showing Error: Multipart: Boundary not found while uploading image using react-native-image-picker

While Uploading image , It is showing Error: Multipart: Boundary not found on node js server console here is my react native code const createFormData = async (photo, body) => { const data =...

lerna add : No packages found where <package> can be added

have added lerna to my project, i have added a package to my server by running this command successfully: lerna add @types/express --dev but when I want to add another one: lerna add graphql...

Ts-node : SyntaxError: Cannot use import statement outside a module

I was trying to use the top level in the project and saw that it was necessary to change the module from tscofnig to esnext or system, but for some reason my ts-node's error. And I already put the...

TypeError: Cannot read property 'tapPromise' of undefined

I am using Angular Build Optimization in Angular 9 project and using below code for generating bundles but getting below error. I Google with the error but didn't find any concrete answer. As the...

Why does my Angular / Express.js Server-Sent Events Code not work?

Goal: Use Server-Sent Events in my Angular App with Express Backend Problem: Server-Sent Events do not reach the client Backend Code router.get('/options/:a/:b/:c', async (req, res) => { ...

React app failed to load config "airbnb" in deploying to heroku

I failed to deploy my create react app to heroku. Error log is below. -----> Build Running build (yarn) yarn run v1.22.10 $ react-scripts build Creating an optimized...

Discord Ouath2 Access Token 'Grant type None is not supported'

Im trying to make a login system with discord for my website that is made with express. I have made a function to get an access token so that I can use that function in the route. Im trying to get...

Unsupported platform for [email protected]: wanted {"os":"darwin","arch":"any"} (current: {"os":"linux","arch":"x64"}) on github actions

i have created an github action to deploy the code when pushed. it cause this error when installing the packages. Run npm i --no-optional && cd client && npm i --no-optional && cd .. npm WARN...

Craco unable to build react app when Deployed in Heroku

Been at it for two days and stumped.. tried every solution I can find on stackoverflow. Trying to deploy my MERN stack app with tailwind on Heroku. It seems Craco/tailwind is giving me...

Recursive higher order function type in Scala 3

I want to define a type for a function that does something and then returns another function of the same type [can be itself]. The obvious idea didn't work ("Illegal cyclic type reference"...