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Procedures, sets, and enums are SQL objects used for organizing and managing data and logic.
Procedures are a set of SQL statements that perform a specific task. They can be called by other SQL statements or applications.
Sets are used to store multiple values in a single variable. They can be used in SQL queries to filter or manipulate data.
Enums are data types that allow a column to store only a specific set of predefi...
Promise chaining, event queue, hoisting, closures are key concepts in JavaScript programming.
Promise chaining is a technique in JavaScript where multiple asynchronous operations are chained together to ensure they execute in a specific order.
Event queue is a data structure that holds events waiting to be processed. JavaScript uses event queues to manage asynchronous operations.
Hoisting is a JavaScript mechanism where v...
require is a function in Node.js to include modules, while import is a keyword in ES6 to import modules.
require is used in Node.js to include modules by specifying the path to the module file
import is used in ES6 to import modules by specifying the module name
require is synchronous, while import is asynchronous
require is CommonJS syntax, while import is ES6 syntax
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I appeared for an interview in Dec 2020.
Round duration - 40 minutes
Round difficulty - Easy
Given an integer array ARR
of size N
, your task is to find the total number of subsequences in which all elements are equal.
A subsequence of an array i...
Count the total number of subsequences in which all elements are equal in an integer array.
Iterate through the array and count the frequency of each element.
Calculate the total number of subsequences for each element using the formula (frequency * (frequency + 1) / 2).
Sum up the total number of subsequences for all elements and return the result modulo 10^9 + 7.
Tip 1 : Do practice as much as you can
Tip 2 : Coding is key to crack
Tip 1 : It should look nice
Tip 2 : Skills should be mentioned properly
I applied via Campus Placement and was interviewed in Oct 2021. There was 1 interview round.
Software configuration management is the process of tracking and controlling changes made to software throughout its lifecycle.
It involves version control, build management, and release management.
It ensures that changes are made in a controlled and systematic manner.
Examples include Git, SVN, and Jenkins.
It helps to maintain the integrity and quality of the software.
It is essential for collaboration among team members...
Software requirements are the functional and non-functional specifications that a software system must meet.
Software requirements define what the software should do and how it should behave
They include functional requirements (what the software should do) and non-functional requirements (how well it should do it)
Requirements are typically documented in a requirements specification document
They are used to guide the dev...
I appeared for an interview in Nov 2020.
Round duration - 2 hours
Round difficulty - Medium
In the 1st round
Aptitude
Reasoning
English
Automata fix( code debug)
Timing in morning
Environment is good
Interviewer was very cool and interactive
Given a text message, your task is to return the Run-length Encoding of the given message.
Run-length encoding is a fast and simple method of encoding strings, repres...
Implement a function to encode a text message using run-length encoding.
Iterate through the message and count consecutive characters
Append the character and its count to the encoded message
Handle edge cases like single characters or empty message
Round duration - 30 minutes
Round difficulty - Medium
This is interview round
Ques from basic electronics
C language
Create a class named Person
with a string variable 'name'
and an integer variable 'age'
, such that these variables are not accessible outside the class. Implement a me...
Create a class Person with private variables name and age, and methods to set and get their values.
Create a class Person with private variables 'name' and 'age'.
Implement a method setValue to set the variables' values.
Implement a method getValue to print the variables' values.
Ensure the name is a non-empty string and the age is a non-negative integer.
Encapsulate the data and provide a clear interface for setting and ge...
Tip 1 : Do aptitude from indiabix. Go through your basics. At least one language u know. Learn about your branch basics. Know concept of data structure and oops.
Tip 2 : prepare your final project well.
Tip 1 : the skills you know very well mention in resume
Tip 2 : mention project in resume
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