Is it possible to create static field on base class but affect like creating on child class?

I need to create base class like the following code. public class ResourceBase { protected static IDictionary<string, XDocument> resources; protected static IDictionary<string, XDocument>...

Implementing branch and bound for knapsack

I'm having a headache implementing this (awful) pseudo-java code (I wonder: why the hell people do that?) for the b&b knapsack problem. This is my implementation so far, which outputs a maximum...

Java: DOM how to rename Node Names from a name list

I am new to DOM and I have the following requirement. I have the following simplified XML structure: <?xml version="1.0"?> <ExportData...

Java DOM: cannot write adapted XML to file

I have the following simplified XML: <?xml version="1.0" encoding="UTF-8"?> <ExportData> <Rows> <R> <companyCodestringtrue>101</companyCodestringtrue> ...

Convert Infix to Postfix with Binary Tree

I'm trying to make an infix to postfix converter. I have already searched for code in Google but most of the algorithms were with stack or using lot's of regular expression or hard to understand,...

Binary Search Tree using char type

I understand Binary Search Tree on integers ,because i know the left child must be less then the node,and right child must be greater then the node ,when it comes to "char" or "string" type ,its...

A* Pathfinding algorithm giving weird path (Text Map - No GUI)

I am trying to solve my A* Path finding algorithm. I have three classes: Menu, Grid, and Node. If you run my program, you will see that it prints an unusual spiral, skippy, bunny hopping path. I...

Connection to remote db2 database through JDBC fails

I am new to db2. I want to ask if it is possible to just connect to a db2 database on a remote db2 server through my java application? Merely having jdbc driver of type 4? I am having db2jcc4...

React eslint error missing in props validation

I have the next code, eslint throw: react/prop-types onClickOut; is missing in props validation react/prop-types children; is missing in props validation propTypes was defined but eslint does...

mininet: Dynamically created Host cannot ping other Hosts, but Host can ping Switch

I am trying to dynamically add Hosts and Links after Mininet Startup. I am using the py net.addHost,addLink commands. Using the standard linear,3 Topology The code is: py net.addHost('h4') py...

SyntaxError: Unexpected token export

I'm working on a npm package called foobar, locally, to allow me to make changes or modifications in real time without having to publish/unpublish to improve development time and sanity. In...

toString method for a linkedList

I am getting strange output for my toString in my linkedList class. I cannot use any methods, only String concat. So limited in how to approach this. Here is the code: @Override public String...

Bootstrap treeview how auto expand parent nodes?

I am using bootstrap treeview which is mostly working well, however when I load a new page from the menu link I want all the parent nodes of the selected child node to expand, does anyone know how...

Deploying an Angular 4 frontend with a Django Rest Framework backend on Heroku

I have built the front end using Angular 4 (using the angular CLI) and the backend using Django and the Django Rest Framework. The development environment is set up in such a way that the static...

Deploying Vue/Nuxt app to Firebase as Universal App with SSR

I'm trying to deploy my Universal Nuxt.js app to Firebase. All information on doing this appears to be out-dated, and I'm not able to get it fully working. SSR appears to work, along with static...

How to config webpack to transpile files from other lerna packages (ejected from create-react-app)

I'm trying to build a lerna package with a create-react-app package and a simple component library. My component is as follows: import React, { Component } from "react"; import PropTypes from...

How to deploy / host Tableau Extension

I have built a Tableau extension, and now need to publish the extension in a manner that (a) allows others in my organization to view dashboards using the extension + utilize the extension in...

How to get static files served dynamically with Rollup (and work along with node-resolve)?

I'm making a library based on TSDX, nice and powerful CLI for package development which is based on Rollup and allows customization of its config. I have a bunch of country flags SVGs in my...

"serve -s build" returns "serve: command not found"

I cloned a react project, which was probably developed under pure Windows, into WSL of my windows. It seems that, to launch a react app properly in IE and Edge, we need to build the project and...

Unhandled Rejection (Error): call revert exception

I am getting this error message when trying to interact with my smart contract on my react front end. I am running localhost3000 and which requires metamask to sign in. Unhandled Rejection...

Kubernetes Ingress Controller: Failed calling webhook, dial tcp connect: connection refused

I have set up a Kubernetes cluster (a master and a worker) on two Centos 7 machines. They have the following IPs: Master: 192.168.1.40 Worker: 192.168.1.41 They are accessible by SSH and I am not...

i can't start minikube

Hi i have installed minikube but when i run minikube start i get this error : 😄 minikube v1.17.1 on Ubuntu 20.04 ✨ Using the docker driver based on existing profile 👍 Starting control...

How do you serve a static site (like from Webflow or a landing page generator) in Next JS on Vercel?

We created a landing page in Webflow and exported the code. We now have a HTML, CSS, JS and images from this export. Our app is built with Next JS and hosted on Vercel. I would like to serve the...

Given a set of data, check if it is a Binary Search Tree?

The detailed description of this problem is as follows: each row contains two values x and y, which denotes that the node with key x is the parent of the node with key y. The first y is the left...

Setup SSG and Prerender in SvelteKit

I just got started with SvelteKit and read the documentation. I would like to use SSG in my app and prerender every page. I configured my app as the documentation said but nothing seems to work as...

Laravel application hang on Google Cloud Run but runs fine on home setup

I am testing out Google Cloud Run as a platform to run a new project. Project is developed using NodeJS and Laravel. Created a docker images based on php-fpm. This image runs fine on my dev...

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...

How do I correctly blend between skeletal animations in OpenGL from a walk animation to a run animation?

I finished the skeletal animation tutorial from learnopengl.com (link). When I play another animation, it "jumps" to the first frame of that animation in a very jarring way instead of smoothly...

How to add Autocomplete, Syntax Highlighting using Antlr4 grammar file functionality to Monaco Editor in my React application?

I am using the Monaco Editor in a react app in the following way: My monaco-editor.jsx looks like - import MonacoEditor from 'react-monaco-editor'; return ( <Flex> <Flex.Box> ...

Python Web3 and Ganache error "Method eth_maxPriorityFeePerGas not supported

This is between VS Code, python and Ganache with web3 and solidity, ive tried running everything as administrator, ive tried reinstalling Ganache, tried doing the pip install for ganache-cli, ive...