Q121. What is middleware?
Middleware allows you to run code before a request is completed. Then, based on the incoming request, you can modify the response by rewriting, redirecting, modifying the...
Technical Question Bank · Peer-Reviewed
Job Interview Questions and Answers Directory
Search and filter frequently asked interview questions across technical, programming, and behavioral domains. Tailor your interview preparation by difficulty for freshers or experienced developers (182 available).
Active:
Difficulty: hard ×
Q122. What is the benefit of render functions over templates?
In VueJS, the templates are very powerful and recommended to build HTML as part of your application. However, some of the special cases like dynamic component creation ba...
Q123. What is a render function?
Render function is a normal function which receives a `createElement` method as it's first argument used to create virtual nodes. Internally Vue.js' templates actually co...
Q124. 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...
Q125. What is GIL? What does it do?Talk to me about the GIL. How does it impact concurrency in Python? What kinds of applications does it impact more than others?
Python's GIL is intended to serialize access to interpreter internals from different threads. On multicore systems, it means that multiple threads can't effectively make...
Q126. What are async components?
In large applications, we may need to divide the app into smaller chunks and only load a component from the server when it's needed. To make this happen, Vue allows you t...
Q127. What are Indexes?
Data structures (typically B-Trees) that speed up data retrieval at the cost of slower writes and extra storage. Think of them as a book's table of contents.
Q128. What is the structure of async component factory?
Async component factory is useful to resolve the component asynchronously. The async component factory can return an object of the below format. ```javascript const Async...
Q129. Clustered vs Non-Clustered?
- **Clustered**: Determines physical storage order. One per table. The data IS the index. - **Non-Clustered**: Separate structure with pointers to data. Multiple allowed ...
Q130. How do you use the Edge Runtime for API routes?
You can opt into the Edge Runtime to run API routes on the V8/edge environment. Add `export const runtime = "edge";` at the top of a route handler and use the Web `Reques...