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I applied via LinkedIn and was interviewed in Oct 2023. There was 1 interview round.
A polyfill for Array.prototype.reduce to enable compatibility with older JavaScript environments.
Define a function named 'reduce' that takes a callback and an initial value.
Use a for loop to iterate over the array elements.
Call the callback function with the accumulator and current value.
Return the final accumulated value after the loop ends.
Example: const sum = [1, 2, 3].reduce((acc, val) => acc + val, 0); // retur...
2 coding hacker rank questions
I applied via Recruitment Consulltant and was interviewed before Oct 2022. There were 5 interview rounds.
Technical interview on different types of routing paths
I applied via Referral and was interviewed before Apr 2022. There were 5 interview rounds.
C, Data structure and networking
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I applied via Recruitment Consultant and was interviewed in May 2019. There were 3 interview rounds.
posted on 17 Jan 2021
I applied via Naukri.com and was interviewed in Dec 2020. There were 3 interview rounds.
posted on 21 Nov 2020
I applied via Naukri.com and was interviewed in Sep 2020. There were 3 interview rounds.
Event loop is a mechanism that allows non-blocking I/O operations in a single-threaded environment.
Event loop is used in programming languages like JavaScript and Python.
It manages the execution of multiple tasks by prioritizing them based on their priority level.
It continuously checks for new events and executes them in a loop.
It allows for efficient handling of I/O operations without blocking the main thread.
It is co...
let, var and const are used to declare variables in JavaScript with different scoping rules and mutability.
let and var are used to declare variables that can be reassigned later, but var has function scope while let has block scope.
const is used to declare variables that cannot be reassigned and have block scope.
Using const does not mean the value is immutable, only the variable reference is.
let and const were introduc...
posted on 16 Apr 2021
I applied via Referral and was interviewed in Oct 2020. There was 1 interview round.
posted on 20 Apr 2022
I applied via Recruitment Consulltant and was interviewed before Apr 2021. There was 1 interview round.
NoSQL databases are non-relational databases that store and retrieve data in a non-tabular format.
Document-oriented databases (MongoDB, Couchbase)
Key-value stores (Redis, Riak)
Column-family stores (Cassandra, HBase)
Graph databases (Neo4j, OrientDB)
Scaling refers to the process of increasing or decreasing the capacity of a system to handle more or less load.
Vertical Scaling: Adding more resources to a single node
Horizontal Scaling: Adding more nodes to a system
Load Balancing: Distributing the load across multiple nodes
Database Sharding: Splitting a database into smaller parts to distribute the load
Caching: Storing frequently accessed data in memory for faster acc...
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