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'Switch' is not exported from 'react-router-dom'

'Switch' is not exported from 'react-router-dom'

The React error 'Switch' is not exported from 'react-router-dom' occurs when we import 'Switch' from react-router-dom v6. In v6, ‘Switch’ was replaced by ‘Routes’

419 page expired Laravel error

419 page expired error in Laravel

419 page expired error in Laravel occurs when the valid CSRF token is missing in the post request. Laravel checks the CSRF token in VerifyCsrfToken middleware.

Adjacent JSX elements must be wrapped in an enclosing tag

Adjacent JSX elements must be wrapped in an enclosing tag

The "Adjacent JSX elements must be wrapped in an enclosing tag" error can be solved by wrapping the multiple elements in a parent div or in a react fragment

Block Scope and Shadowing in JavaScript

Block Scope and Shadowing in JavaScript

Learn what is a block, block scope, block-scoped variables, variable shadowing, and illegal shadowing in javascript with examples.

Call multiple functions onClick in React

Call multiple functions onClick in React

To call multiple functions onClick in React, pass an event handler function into the onClick prop of the element that can call as many other functions as necessary.

Can't Perform a React State Update on an Unmounted Component

Can't Perform a React State Update on an Unmounted Component

React Warning “Can't perform a react state update on an unmounted component” is caused when we try to update the state after the component was unmounted. Explains how to fix it.

Can't set headers after they are sent to the client

Can't set headers after they are sent to the client

Error “Can't set headers after they are sent to the client” occurs when an express.js application tries to send multiple responses for a single request.

Cannot read property of undefined in JavaScript

Cannot read property of undefined in JavaScript

The TypeError: Cannot read property of undefined occurs when we try to read a property on an undefined variable or when we try to access a property on a DOM element that doesn't exist.

Create 404 page in react

Create 404 page in react

To create a 404 page in React using React Router, Create a wildcard path with an asterisk(‘*’) and add it to the very last path of our routes.

Create a Back button with React Router

Create a Back button with React Router

To create a back button with React Router use useNavigate() hook. Call navigate function eg. navigate(-1); inside the onClick function of the back button.

Delete an element from an array in PHP

Delete an element from an array in PHP

To delete an element from an array in PHP, use built-in functions unset(), array_splice(), or array_diff(). Learn how to delete elements using these functions.

Each child in a list should have a unique key prop

Each child in a list should have a unique key prop

Solve Warning: Each child in a list should have a unique ”key" prop in React by setting the id property as a unique key or by auto-assigning unique keys.