If your application is working for all the routes when you navigate using <Link> and history.push but throwing 404 Not Found when you type a URL other than http://example.com, say http://example.com/articles, directly in your browser, you need to: Teach your server to handle 404s by redirecting to the index.html page. You can do this in … Read more
Node *current = new Node; Node *previous = new Node; This code causes memory leaks – you are never deleting this memory. You can declare pointers without memory allocation: Node *current = nullptr; Node *previous = nullptr; delete will delete the memory of the pointer so you will actually delete Nodes. But using delete[] for … Read more
Below shows you one approach to consider. The key is the use of the StudentDetails class to define the necessary properties of your individual students (as well as the Dictionary – so that it is keyed by the string (e.g. “John”)). using System; using System.Collections.Generic; using Newtonsoft.Json; namespace Sample { public class StudentDetails { public … Read more
You are not changing pointer for head for initial case and head is always null. if(cur==null){ cur = nn; } should be if(head==null){ head = nn; }