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Classes are reference types while structs are value types.
Classes support inheritance while structs do not.
Classes have default access modifier as internal while structs have it as private.
Classes have a destructor while structs do not.
Classes are allocated on heap while structs are allocated on stack.
Classes can be null while structs cannot.
Dispatch Queue is a thread-safe way to execute tasks asynchronously, while Operations are a way to encapsulate tasks.
Dispatch Queue is a high-level API for managing concurrent operations.
Operations are objects that encapsulate a single task or multiple tasks.
Dispatch Queue is simpler to use and recommended for most use cases.
Operations provide more control over task dependencies and cancellation.
Both can be used togeth
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posted on 9 May 2017
I was interviewed before May 2016.
posted on 27 Aug 2024
I applied via Job Portal
posted on 12 Sep 2023
I applied via Naukri.com and was interviewed before Sep 2022. There were 3 interview rounds.
Advanced JS, PHP related questions
posted on 24 Oct 2024
posted on 27 Jun 2023
I applied via Company Website and was interviewed in May 2023. There were 3 interview rounds.
30 min test on simple google form
Half hour conding round on basic javascript questions
One hour coding round on little bit intermediate javascript questions
posted on 26 Mar 2024
I applied via Approached by Company and was interviewed in Feb 2024. There was 1 interview round.
posted on 11 Feb 2022
I applied via Campus Placement and was interviewed in Aug 2021. There were 4 interview rounds.
1st test was aptitude and a easy coding test
The 2nd test was pure coding based test on hacker rank platform and contains 2 easy and 2 medium question
posted on 19 Nov 2021
I applied via Naukri.com and was interviewed in May 2021. There was 1 interview round.
Check if a number is prime and optimize the code.
Start by checking if the number is less than 2, in which case it is not prime.
Iterate from 2 to the square root of the number and check if any of them divide the number evenly.
If a divisor is found, the number is not prime. Otherwise, it is prime.
To optimise API calls in React, use asynchronous functions and caching techniques.
Use async/await to handle API calls
Implement caching to reduce network requests
Use memoization to avoid unnecessary re-renders
Consider using a state management library like Redux
Use performance profiling tools like React DevTools
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