Q1141. How do you programmatically navigate using React Router v4?
There are three different ways to achieve programmatic routing/navigation within components. 1. **Using the `withRouter()` higher-order function:** The `withRouter()` hig...
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Q1142. What is the next/image component used for?
The **`next/image`** component is an extension of the HTML `` element engineered to automatically optimize images for Core Web Vitals: ### Automatic Optimizations Perform...
Q1143. How can you write duplicate virtual nodes in a component?
All virtual nodes(VNodes) in the component tree must be unique.i.e, You can't write duplicated nodes in a straightforward way. If you want to duplicate the same element/c...
Q1144. Which is NOT TRUE about constraints?
Any assertion claiming that **constraints are optional in production** or that **constraints significantly slow down reads** is false. ### Why Constraints Are Vital: - Co...
Q1145. How to append to a string in Python?
Because Python strings are **immutable**, you cannot directly append characters to an existing string in memory. Each append creates a new string object: ### 1. The `+=` ...
Q1146. What is flexbox?
Flexbox is a CSS3 layout module which provides more flexible and efficient way to align arrange and align the elements within the container. It is widely supported by the...
Q1147. What are the differences between undeclared and undefined variables?
Below are the major differences between undeclared(not defined) and undefined variables, | undeclared | undefined | | ----------------------------------------------------...
Q1148. How to get query parameters in React Router v4?
The ability to parse query strings was taken out of React Router v4 because there have been user requests over the years to support different implementation. So the decis...
Q1149. What is the next/link component used for?
The **`next/link`** component (``) is the primary way to perform **client-side transitions** between pages in Next.js applications: ### Why Use `` Instead of Standard ``?...
Q1150. List down the template equivalents in render functions?
VueJS provides proprietary alternatives and plain javascript usage for the template features. Let's list down them in a table for comparison, | Templates | Render functio...