Ashwani Singh articles - 16 total
XMLHttpRequest has been blocked by CORS policy:
Error "Access to XMLHttpRequest at 'http://localhost:5001/auth/register' from origin...
Time complexity
O(1) (in the worst case): Given the page that a business's name is on and the business name, find the...
LeetCode Solutions (DSA)
1. LeetCode Solutions (DSA) - Two Sum 1. Two Sum Given an array of integers...
Let’s solve the error of GROUP BY clause and contains nonaggregated column in MySQL
SET GLOBAL sql_mode=(SELECT REPLACE(@@sql_mode,'ONLY_FULL_GROUP_BY','')); Enter...
Higher Order Components (HOC) in React js
A Higher-Order Component (HOC) is an advanced technique for reusing component logic. HOCs are not...
Error Boundary in React js
In React, an Error Boundary is a component that helps catch JavaScript errors anywhere in their child...
What are portals in React and when do we need them ?
In React 16.0 version, React portals were introduced. Portals in React come up with a way to render...
Extract Array of object data in MySql DB
// your_column = [{id: 1, name: "Tom", age: 30}]; SELECT * FROM your_table WHERE...
JavaScript Data Types
1. Introduction Computer programs generally deal with a lot of data. This data can be one...
JavaScript Non-Primitive Data Types
Non-Primitive data types Non-primitive data types in JavaScript are derived from the...
JavaScript Primitive Data Types
In JavaScript, primitive data types are the predefined data types provided by the language itself....
Integrating Nodemailer in a Node.js Project
Integrating Nodemailer in a Node.js Project To integrate Nodemailer in a Node.js project,...
Rules for naming variables in JavaScript
1. Rules for naming variables Almost all programming languages enforce certain rules on...
Understanding Hoisting in JavaScript
What is Hoisting Hoisting is a JavaScript mechanism where variables and function...
List of Free API's
Web Apps https://discord.com/developers/docs/intro https://api.slack.com Open...
Git Branches: List, Create, Switch to, Merge, Push, & Delete
git cheatSheet See What Branch You're On git status Enter fullscreen mode ...