AVL tree Update function not working

Yesterday, I was making an AVL tree program with the functionalities of create,insert,update & remove.But the issue is that the Update function is not working properly.Here is the code :- #include<iostream> #include<conio.h> using namespace std; st...

Need Database design / structure for dynamic form builder

Hello, I am stuck in database structure for dynamic form builder. I need for text, textarea, radio buttons, checkboxes only. Can add more functionality is also there. Need some DB expert advice who can help me with table structure. Thanks

Reverse engineer JSON to relational DB schema

I have a peculiar situation, I have tried for months to normalise a situation for my products database without success however I was able to create a JSON that works perfectly well. I still need to have it stored in a db table so that I can query the...

How Make If statements as a Function in Js ?

Hi, I am trying to create a function where I can select a subsection from a array. I want to select a subsection of an array from a range to call the page from backend. How do I create a function, to get the page based on the range. I have currently ...

Why does my program shows undefined reference, even though I defined the function?

I'm trying to run a function, but gets Undefined reference 'createList'. #include <stdio.h>> #include <stdlib.h> void createList(); struct node{ int classList; struct node *next; }*Node; int main() { struct node *head = NULL; int ...

Can Stack and Queue be reversed and How are memories allocated for them?

Can Stack and Queue be reversed not only by values, by memory allocation also? How stack and queue allocate their memories and what are some good real time application example for Stack?

Is Machine Learning and Artificial Intelligence a must know for developers in the near future?

Can you take a look at this database design and tell me if it's good, vulnerable or unstable (or horribly under-structured)?

Hello :) I'm wondering what approach you should use when building a schema for an auction website. The part that is confusing is when sellers are allowed to 'extend the auction for last-minute bidders' so that towards the last 10 minutes of the aucti...

What are some solutions for building a simple web app for data capture and analysis?

I am a Track & Field coach. I record over 5,000 40-yard sprint dashes a year, track weight training programs, as well as numerous other statistics for individual athletes. I want to build an athlete training log so I can compare and contrast trainin...

Should frontend developers learn data structures?

I used to think that interviews would be more towards how well you do what you do in your day-to-day job. If you don't know how to solve some of the complex DSA problems you are not a good candidate. Any advice for someone who is trying to get better...