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I applied via LinkedIn and was interviewed in Mar 2024. There was 1 interview round.
I applied via Referral and was interviewed in Sep 2023. There was 1 interview round.
I applied via Approached by Company and was interviewed in Feb 2023. There were 3 interview rounds.
Group discussion comprises a group of individuals who generally share similar interests and viewpoints on a topic. Participants come together formally or informally in a group discussion to debate a subject, work out issues, or voice their opinions.
SevenMentor interview questions for popular designations
I applied via Indeed and was interviewed before Oct 2022. There were 3 interview rounds.
Resume screening round.
I applied via AmbitionBox and was interviewed in Jun 2022. There were 2 interview rounds.
I was interviewed in Dec 2021.
A receipt is a document that provides proof of a transaction and includes details such as the date, items purchased, and total amount paid.
A receipt is issued by a seller to a buyer after a purchase is made.
It serves as evidence of the transaction and can be used for returns, exchanges, or warranty claims.
Receipts typically include information such as the date, time, and location of the purchase, as well as the name an...
I applied via Referral and was interviewed in Nov 2021. There was 1 interview round.
Bucketing is a technique in Hadoop that groups data into buckets based on a specific column, while partitioning divides data into logical units based on a specific column.
Bucketing is used to evenly distribute data across multiple files or directories.
Partitioning is used to organize data based on a specific column, making it easier to query and analyze.
Bucketing and partitioning can be used together to optimize data s...
MapReduce is a programming model used to process large datasets in parallel.
MapReduce divides the input data into chunks and processes them in parallel.
Map function processes each chunk and produces intermediate key-value pairs.
Reduce function aggregates the intermediate results and produces final output.
MapReduce is used in Hadoop for distributed processing of large datasets.
Example: Counting the frequency of words in
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I applied via Approached by Company and was interviewed in Oct 2024. There were 2 interview rounds.
useMemo is used to memoize a value, while useCallback is used to memoize a function.
useMemo is used to memoize a computed value and recompute it only when its dependencies change.
useCallback is used to memoize a callback function and prevent unnecessary re-renders.
Example: useMemo can be used to memoize the result of a complex computation, while useCallback can be used to memoize an event handler function.
Error handling in JavaScript involves using try-catch blocks, throwing errors, and using error objects.
Use try-catch blocks to catch errors and handle them gracefully
Throw errors using the throw keyword to indicate when something goes wrong
Use error objects like Error, SyntaxError, TypeError, etc. to provide more information about the error
Handle asynchronous errors using promises and the .catch() method
Promises are objects representing the eventual completion or failure of an asynchronous operation.
Promises are used to handle asynchronous operations in JavaScript.
Promise.all() takes an array of promises and returns a single promise that resolves when all of the input promises have resolved.
A polyfill for Promise.all() can be implemented using a combination of Promise and Array.prototype.reduce().
Frontend assignment make the CRUD application using of reactj.s
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