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I applied via Referral and was interviewed before Sep 2023. There was 1 interview round.
Event Loop is a mechanism in programming that allows for asynchronous execution of code by managing the order of operations.
Event Loop is commonly used in JavaScript to handle asynchronous operations.
It allows for non-blocking I/O operations by continuously checking the event queue.
Event Loop ensures that the code execution does not get blocked by long-running tasks.
Example: setTimeout function in JavaScript uses Event...
Node.js is a runtime environment that allows JavaScript code to run on the server side.
Node.js uses an event-driven, non-blocking I/O model, making it lightweight and efficient.
It uses the V8 JavaScript engine from Google Chrome to execute code.
Node.js allows developers to use JavaScript for both client-side and server-side development.
It has a large ecosystem of libraries and frameworks, such as Express.js for buildin
I applied via Walk-in and was interviewed before Aug 2021. There were 5 interview rounds.
It is an very easy test, anyone with basic maths prepared can crack it
Web socket is a protocol that enables real-time communication between client and server over a single TCP connection.
Web socket provides full-duplex communication between client and server.
It uses a single TCP connection for communication.
Web socket is used for real-time applications such as chat applications, online gaming, and stock trading.
DB design for chat app should include tables for users, messages, and chat ro...
I applied via Walk-in and was interviewed in Jan 2021. There were 3 interview rounds.
W3Villa Technologies interview questions for popular designations
Top trending discussions
posted on 14 May 2022
I applied via Walk-in and was interviewed before May 2021. There were 3 interview rounds.
posted on 1 Jun 2023
I applied via Campus Placement
Basic aptitude test. easy to clear if you basics are clear and you can understand english
If you dont know coding then dont go for interview there is no way you can clear the interview
posted on 2 Jun 2023
Very basic apti test. focus on speed
posted on 11 Oct 2024
I applied via LinkedIn and was interviewed before Oct 2023. There were 2 interview rounds.
Find occurrence of integers
Agile methodology is a software development approach that emphasizes flexibility, collaboration, and iterative development.
Focus on delivering working software in short iterations
Emphasizes collaboration between cross-functional teams
Allows for changes and adjustments throughout the development process
Prioritizes customer feedback and continuous improvement
Common frameworks include Scrum, Kanban, and Extreme Programmin
I appeared for an interview before Feb 2024.
SQL statements are used to interact with databases by performing operations like querying, updating, and deleting data.
SQL statements are made up of keywords like SELECT, INSERT, UPDATE, DELETE, etc.
They are structured in a specific order, with clauses like WHERE, ORDER BY, GROUP BY, etc.
Tables are referenced using their names, and conditions are specified to filter data.
Joins can be used to combine data from multiple
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