Q1701. How do you handle error boundaries in App Router?
You can create error boundaries using the `error.js` file in a route segment. This file defines UI to render when an error is thrown within that segment. ```jsx // app/er...
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Q1702. What are the caveats with vuex mutations?
Since a Vuex store's state is made reactive by Vue, the same reactivity caveats of vue will apply to vuex mutations. These are the rules should be followed for vuex mutat...
Q1703. What's The Process To Get The Home Directory Using '~' In Python?
You need to import the os module, and then just a single line would do the rest. ```python import os ``` print (os.path.expanduser('~')) Output: /home/runner
Q1704. How do you make asynchronous HTTP request?
Browsers provide an XMLHttpRequest object which can be used to make asynchronous HTTP requests from JavaScript by passing the 3rd parameter as true. ```javascript functio...
Q1705. In which scenarios do error boundaries not catch errors?
Below are the cases in which error boundaries don't work, 1. Inside Event handlers 2. Asynchronous code using **setTimeout or requestAnimationFrame** callbacks 3. During ...
Q1706. How do you differentiate between server and client components in Next.js?
In Next.js, components are Server Components by default. To differentiate and create Client Components, you need to add the `"use client"` directive at the top of the com...
Q1707. Why mutations should be synchronous?
You need to remember that mutation handler functions must be synchronous. This is why because any state mutation performed in the callback is essentially un-trackable. It...
Q1708. How To Find Bugs Or Perform Static Analysis In A Python Application?
You can use PyChecker, which is a static analyzer. It identifies the bugs in Python project and also reveals the style and complexity related bugs. Another tool is Pylint...
Q1709. How do you convert date to another timezone in javascript?
You can use the toLocaleString() method to convert dates in one timezone to another. For example, let's convert current date to British English timezone as below, ```java...
Q1710. What is the behavior of uncaught errors in react 16?
**Note:** This behavior was introduced in React 16 and continues in React 18/19. In React 16+, errors that are not caught by any error boundary will result in unmounting ...