Q141. What is the Python syntax for switch case statements?
Starting in **Python 3.10**, Python natively introduced the **`match / case`** statement (PEP 634 Structural Pattern Matching): ### Modern Python 3.10+ Pattern Matching: ...
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Q142. What are HTML entities?
HTML entities are codes used to represent special characters in HTML that cannot be easily typed or displayed. Example: `&` represents (`&`)
Q143. What is the purpose of next-env.d.ts?
**`next-env.d.ts`** is an auto-generated TypeScript declaration file placed at the root of a Next.js project. ### What It Does: It contains TypeScript reference directive...
Q144. What is the purpose of the <picture> element in HTML5, and how is it used to optimize images?
The `` element in HTML5 is used to provide multiple versions of an image at different resolutions or sizes, and allows the browser to choose the best version to display b...
Q145. What is the purpose of next-compose-plugins?
**`next-compose-plugins`** was a popular community utility library used in older Next.js projects to cleanly chain and compose multiple configuration plugins in `next.con...
Q146. What are the rules for local and global variables in Python?
If a variable is def ined outside function then it is implicitly global​. If variable is assigned new value inside the function means it is local​. If we want to make it ...
Q147. How do you add polyfills in Next.js?
Next.js automatically provides polyfills for widely used modern ECMAScript features (such as `Promise`, `fetch`, `Object.assign`, `Symbol`, and `URL`) targeting browsers ...
Q148. What is the output of the following Python program regarding local variable shadowing?
#!/usr/bin/python ```python def fun1(a): ``` print'a:',a a=33; print'locala:',a a=100 fun1(a) print'aoutsidefun1:',a Output: a:100 locala:33 aoutsidefun1:100
Q149. What is CSS?
CSS stands for Cascading Style Sheets. CSS is used to define styles for web pages, including the design, layout and variations in display for different devices and screen...
Q150. What is static optimization in Next.js?
**Automatic Static Optimization** is a core Next.js feature where the build system automatically analyzes each page to determine whether it can be pre-rendered as pure st...