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I applied via Recruitment Consulltant and was interviewed before Dec 2021. There were 3 interview rounds.
Rank function is used to assign a rank to each row within a result set based on specified criteria.
Rank function is commonly used in SQL queries to order and rank data.
It assigns a unique rank to each row based on the specified criteria.
The rank of a row is determined by its position in the ordered result set.
If two rows have the same values, they will be assigned the same rank.
The next rank will be skipped if there ar...
Dependency Injection is a design pattern that allows objects to receive dependencies rather than creating them internally.
Dependency Injection is a way to achieve loose coupling between objects.
It allows for easier testing and maintenance of code.
There are three types of Dependency Injection: Constructor Injection, Setter Injection, and Interface Injection.
Example: Instead of creating a database connection object insid...
Finding words in a string using array of strings
Split the string into words using a delimiter like space
Iterate through the words to find the desired words
Store the found words in an array of strings
I applied via Naukri.com and was interviewed before Aug 2021. There were 3 interview rounds.
Coding round on javascript and jquery
I applied via Walk-in and was interviewed in Nov 2024. There were 5 interview rounds.
Normal online code / frontend test
Designing and building a platform similar to BookMyShow involves creating a user-friendly interface for booking tickets for various events.
Develop a user-friendly website and mobile app for users to browse and book tickets for movies, concerts, plays, etc.
Implement a secure payment gateway for users to make online transactions.
Integrate a database to store information about events, venues, tickets, and user bookings.
In...
To build a tinyurl-like service, design a system with a URL shortening algorithm, a database to store mappings, and a redirect service.
Use a hashing algorithm to generate short URLs from long URLs (e.g. MD5, SHA-256).
Store the mappings of short URLs to long URLs in a database (e.g. MySQL, Redis).
Implement a redirect service that takes a short URL, looks up the corresponding long URL in the database, and redirects the u...
posted on 17 Nov 2024
Reverse a string to check if it is a palindrome.
Create a function that takes a string as input
Reverse the string using built-in functions or manually
Compare the reversed string with the original string to check if it is a palindrome
DSA round leetcode style question
Design a zepto delivery system for efficient and fast delivery of small packages.
Utilize drones for quick and efficient delivery
Implement a centralized hub for package sorting and distribution
Use GPS tracking for real-time package monitoring
Optimize routes for faster delivery times
Ensure secure and reliable delivery process
I was interviewed in Jul 2024.
I applied via Approached by Company and was interviewed in Aug 2024. There was 1 interview round.
Pure pipes do not have any side effects and always return the same output for the same input, while impure pipes can have side effects and may not return the same output for the same input.
Pure pipes are stateless and deterministic.
Impure pipes can have side effects like modifying global variables or making network requests.
Examples of pure pipes include filters in Angular, while examples of impure pipes include async
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