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Array related question
Find if there are three elements in an array that sum up to a given target value.
Sort the array first to make the solution more efficient.
Use two pointers technique to find the triplet sum.
Handle duplicates by skipping them while iterating.
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I applied via Approached by Company and was interviewed in Aug 2024. There was 1 interview round.
Developed a mobile app for tracking personal fitness goals
Used React Native to create a cross-platform app
Implemented features such as goal setting, progress tracking, and workout logging
Integrated with wearable devices like Fitbit for automatic data syncing
Ways to speed up SQL queries in increasing order of complexity
Use indexes on columns frequently used in WHERE clauses
Optimize queries by avoiding unnecessary joins and subqueries
Use stored procedures to reduce network traffic and improve performance
Consider denormalizing tables for frequently accessed data
Use query optimization techniques like query caching and query hints
Redis is single-threaded.
Redis is single-threaded, meaning it can only execute one command at a time.
This design choice allows Redis to be extremely fast and efficient for certain use cases.
However, it also means that Redis may not be the best choice for highly concurrent workloads.
Data types that can be used as keys in Python include strings, integers, floats, tuples, and custom objects.
Strings are commonly used as keys in Python dictionaries.
Integers and floats can also be used as keys.
Tuples can be used as keys if they only contain immutable elements.
Custom objects can be used as keys if they are hashable.
Examples: {'name': 'John'}, {1: 'apple'}, {(1, 2): 'tuple'}
Types of indexing in SQL include clustered, non-clustered, unique, and composite indexes.
Clustered index physically reorders the table based on the index key
Non-clustered index creates a separate structure for the index
Unique index ensures that all values in the index column are unique
Composite index uses multiple columns for indexing
Oops concept stands for Object-Oriented Programming concepts which include principles like inheritance, encapsulation, polymorphism, and abstraction.
Oops concept is a programming paradigm that focuses on objects and classes.
It includes principles like inheritance, where a class can inherit properties and behaviors from another class.
Encapsulation is another principle where data is wrapped within a class and can only be...
I applied via Job Portal and was interviewed in Mar 2024. There were 2 interview rounds.
Good round moderate coding questions were asked
Rate limiter is a mechanism to control the rate of requests sent to a server
Implement a sliding window algorithm to track the number of requests within a specific time frame
Set a limit on the number of requests allowed per unit of time
Return an error response when the limit is exceeded
Test cases: 1. Send requests below the limit - should be successful. 2. Send requests above the limit - should receive an error response
I was interviewed in Nov 2023.
I applied via Naukri.com
About technical skills regarding core subjects like java sql manual and selenium
posted on 5 Jun 2023
I applied via Referral
First round is a hectic 3 hr aptitude + java snippets test, hirepro based.
I applied via Job Fair
I attended through campus placement.they gave a general topic and ask us to speak
A variable is a storage location in a computer program that holds data and can be referenced and manipulated.
Variables are used to store data in a program and can be of different types such as integers, strings, or arrays.
In HTML, variables are not directly used, but data can be stored in attributes or elements for manipulation.
Coding in an array involves storing multiple values in a single variable, accessed by index
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