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Closures in JavaScript allow functions to access variables from an outer function even after the outer function has finished executing.
Closures are created when a function is defined within another function and has access to the outer function's variables.
They can be used to create private variables and functions in JavaScript.
Closures can be used to maintain state in asynchronous operations.
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Quantitative Aptitude
I applied via Campus Placement and was interviewed in Nov 2021. There were 7 interview rounds.
Online education platforms have become popular in current society.
Online courses offered by universities and colleges
Platforms like Coursera, Udemy, and edX
Increased accessibility to education for people in remote areas
Flexible learning schedules for working professionals
Affordable education options
I applied via Naukri.com and was interviewed before Jul 2022. There were 3 interview rounds.
I applied via Naukri.com and was interviewed in Mar 2024. There was 1 interview round.
It's was MCQ based test
Some OOP concepts include inheritance, encapsulation, polymorphism, and abstraction.
Inheritance: Allows a class to inherit properties and behavior from another class.
Encapsulation: Bundling data and methods that operate on the data into a single unit.
Polymorphism: Ability to present the same interface for different data types.
Abstraction: Hiding the complex implementation details and showing only the necessary features
A Guid Id is a globally unique identifier used in software development to uniquely identify objects or entities.
Guid Ids are 128-bit integers represented as a hexadecimal string.
They are typically used in databases, APIs, and various software systems to ensure uniqueness.
Example: 6B29FC40-CA47-1067-B31D-00DD010662DA
I applied via Approached by Company and was interviewed before Oct 2023. There was 1 interview round.
Use a combination of backup and delete approach to safely delete the records.
Take a backup of the live system before deleting any records.
Identify the records to be deleted using a query or script.
Delete the records in batches to avoid overwhelming the system.
Monitor the system during the deletion process for any issues.
Verify the deletion by checking the number of records before and after.
Consider archiving the delete
The latest trends include AI, remote work, sustainability, and digital transformation.
Artificial Intelligence (AI) is being integrated into various industries and processes to improve efficiency and accuracy.
Remote work is becoming more popular due to advancements in technology and the COVID-19 pandemic.
Sustainability is a growing concern for businesses and individuals, leading to a shift towards eco-friendly practices...
I applied via Referral and was interviewed in Sep 2020. There were 3 interview rounds.
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