Q831. What are props?
Props are custom attributes you can register on a component. When a value is passed to a prop attribute, it becomes a property on that component instance. You can pass th...
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Q832. Default sort order if not specified?
If no direction keyword is specified in an `ORDER BY` clause, the default sort order is **`ASC` (Ascending)**: ```sql -- These two queries produce identical ordering: SEL...
Q833. Mention the use of // operator in Python?
It is a Floor Divisionoperator , which is used for dividing two operands with the result as quotient showing only digits before the decimal point. For instance, 10//5 = 2...
Q834. What is the purpose of <nav> tag?
The **``** element represents a section of a page whose purpose is to provide navigation links, either within the current document or to external pages: ```html All Categ...
Q835. What are decorators in TypeScript?
Decorators in TypeScript allows us to add metadata or behavior to classes, methods, properties, or parameters at design time. They are declared using the @ symbol followe...
Q836. What is a Cookie?
A cookie is a piece of data that is stored on your computer to be accessed by your browser. Cookies are saved as key/value pairs. For example, you can create a cookie nam...
Q837. What are the recommended ways for static type checking?
**Modern Recommendation (2026):** **TypeScript** is the industry standard for type checking in React applications. While PropTypes (`React.PropTypes` moved to `prop-types...
Q838. What is server side rendering (SSR) in Next.js?
Rendering pages on each request. If a page uses Server-side Rendering, the page HTML is generated on each request. ```jsx export async function getServerSideProps() { con...
Q839. When component needs a single root element?
In VueJS 2.x, every component must have a single root element **when template has more than one element**. In this case, you need to wrap the elements with a parent eleme...
Q840. Top 3 students by mark?
```sql -- MySQL / PostgreSQL SELECT name, mark FROM Students ORDER BY mark DESC LIMIT 3; -- SQL Server SELECT TOP 3 name, mark FROM Students ORDER BY mark DESC; -- Oracle...