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I applied via Naukri.com and was interviewed in Apr 2024. There was 1 interview round.
Callback hell is a situation in asynchronous programming where multiple nested callbacks make the code difficult to read and maintain.
Occurs when multiple asynchronous operations are nested within each other
Can lead to deeply nested code which is hard to understand and debug
Can be mitigated using promises, async/await, or libraries like async.js
React is a JavaScript library for building user interfaces.
React is used for creating interactive UI components.
It allows developers to build reusable UI components.
React uses a virtual DOM for efficient rendering.
React is commonly used in web development for single-page applications.
Loops are used in programming to repeat a block of code multiple times until a certain condition is met.
Loops help in automating repetitive tasks
Types of loops include for, while, and do-while
Example: for loop to iterate over an array and perform an operation on each element
A child process is a process created by another process, known as the parent process.
Child processes inherit resources and attributes from the parent process.
Child processes can communicate with the parent process and other child processes.
Examples include when a program spawns multiple processes to perform different tasks.
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I applied via Recruitment Consultant and was interviewed in Nov 2020. There were 3 interview rounds.
I applied via LinkedIn and was interviewed in Sep 2020. There were 3 interview rounds.
Finally block will always execute, even if an exception is thrown in the try or catch block.
Finally block is used to execute code that must always run, regardless of whether an exception was thrown or not.
If an exception is thrown in the try or catch block, the finally block will still execute.
Finally block is often used to release resources like file handles, database connections, etc.
I applied via Naukri.com and was interviewed in Nov 2020. There were 3 interview rounds.
I applied via Campus Placement and was interviewed in Mar 2021. There was 1 interview round.
I applied via Referral and was interviewed before Mar 2021. There were 2 interview rounds.
Grammar and analytical questions
I applied via Referral and was interviewed before Nov 2021. There were 2 interview rounds.
I applied via Naukri.com and was interviewed in Feb 2021. There were 3 interview rounds.
I applied via Naukri.com and was interviewed in Apr 2021. There was 1 interview round.
HANA is an in-memory database and application development platform developed by SAP.
HANA stands for High-Performance Analytic Appliance.
It allows real-time processing of large amounts of data.
It can be used for data warehousing, analytics, and application development.
HANA is used by businesses to gain insights from their data and make better decisions.
Examples of companies using HANA include Coca-Cola, Nestle, and Merc
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