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A promise is an object representing the eventual completion or failure of an asynchronous operation.
Promises are used in JavaScript to handle asynchronous operations.
They can be in one of three states: pending, fulfilled, or rejected.
Promises can be chained together using .then() method.
Example: Fetching data from an API returns a promise that resolves with the data.
Example: Promises help avoid callback hell by providi...
Scope refers to the visibility and accessibility of variables in a program.
Scope determines where in a program a variable can be accessed.
Global scope refers to variables that can be accessed anywhere in the program.
Local scope refers to variables that are only accessible within a specific block of code.
Variables declared within a function have local scope.
Scope can help prevent naming conflicts and improve code organi
Reconciliation in React is the process of updating the virtual DOM to match the actual DOM.
Reconciliation is the process of comparing the virtual DOM with the actual DOM and making necessary updates.
React uses a diffing algorithm to efficiently update the DOM without re-rendering everything.
Key prop is important for React to identify which items have changed, added, or removed during reconciliation.
I applied via Referral and was interviewed before Sep 2023. There was 1 interview round.
Google meet in react they asked basics and node also must clear js
Top trending discussions
posted on 15 Jul 2022
I applied via Referral and was interviewed before Jul 2021. There were 3 interview rounds.
If you are a fresher , then this is for you else almost no coding test for experienced candidates.
posted on 5 Aug 2024
I applied via Job Portal and was interviewed in Feb 2024. There were 3 interview rounds.
30 mins Aptitude Question
30 mins - 3 Coding Question
Rest API is a set of rules and conventions for building and interacting with web services using HTTP methods.
Rest API stands for Representational State Transfer Application Programming Interface.
It uses standard HTTP methods like GET, POST, PUT, DELETE to perform CRUD operations.
RESTful APIs use URLs to access resources, and return data in JSON or XML format.
Stateless communication allows for scalability and flexibilit...
Response codes indicate the status of a HTTP request. 200 & 201 are success codes, while 400 & 403 are client error codes.
200 - OK: Request was successful
201 - Created: Request was successful and a new resource was created
400 - Bad Request: The server cannot process the request due to a client error
403 - Forbidden: The server understood the request, but refuses to authorize it
posted on 29 Aug 2022
50 Questions in 1 hour
Pattern and basic programming questions
posted on 21 Sep 2022
Simple String or list releted questions for Arranging a string some conditions wise
To count number after decimal value in Python, use string manipulation or math module.
Use string manipulation to count number of digits after decimal point
Use math module to round off the number and then subtract the original number to get the digits after decimal point
Example: num = 3.14159, str_num = str(num), decimal_index = str_num.index('.') + 1, digits_after_decimal = len(str_num) - decimal_index
I applied via Approached by Company and was interviewed in Jul 2024. There were 3 interview rounds.
I have a strong technical background, proven track record of delivering high-quality software, and a passion for continuous learning and improvement.
I have a Bachelor's degree in Computer Science and X years of experience in software development.
I have successfully led multiple projects from conception to completion, delivering high-quality software on time and within budget.
I am proficient in a variety of programming ...
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