All Hard Articles

Domain Key Normal Form in DBMS

Prerequisites – Normal Forms, 4th and 5th Normal form, find the highest normal form of a relation It is basically a process in database to… Read More

DBMS-Normalization

DBMS

GATE CS

Pairs with GCD equal to one in the given range

Given a range i.e. L and R, the task is to find if we can form pairs such that GCD of every pair is 1.… Read More

GCD-LCM

Competitive Programming

DSA

Mathematical

Information System Life Cycle – Software Engineering

Information System Life Cycle (ISLC) is a framework used to manage the development, maintenance, and retirement of an organization’s information systems. This article focuses on… Read More

Software Engineering

DoubleStream mapToObj() in Java

DoubleStream mapToObj() returns an object-valued Stream consisting of the results of applying the given function. Syntax: <U> Stream<U> mapToObj(DoubleFunction<? extends U> mapper) Parameters: This method… Read More

Java - util package

java-DoubleStream

Java-Functions

java-stream

Java

Goldman Sachs Internship Interview Experience (Summer Analyst, On-Campus)

Recently, GS visited our college during internships to recruit ‘Summer Analysts’ for 2019. Round 1 was an online test hosted on HackerRank. It was composed… Read More

Experiences

Internship

Interview Experiences

Wipro Turbo Interview Experience (On Campus)

Wipro came to our campus ( National Institute of Technology, Durgapur ) on 12/09/2018 for the role of Project Engineer with 6.5LPA CTC. Round 1… Read More

Experiences

Interview Experiences

Mentor Graphics Interview Experience | (On Campus)

Round 1: It was a written test with three sections: Software Digital Analytical Questions were easy in Software section. It consisted of questions from topics… Read More

Experiences

Interview Experiences

Python property() function

Python property() function returns the object of the property class and it is used to create the property of a class. In Python, the property() function is a built-in function… Read More

Python-Functions

Python

C# | Remove all elements from the Hashtable

The Hashtable class represents a collection of key-and-value pairs that are organized based on the hash code of the key. The key is used to… Read More

CSharp-Collections-Hashtable

CSharp-Collections-Namespace

CSharp-method

C#

Sahil Garg – Geek on the top | “First Solve the Problem, then Write the code”

Geek on the top is all about success stories of Geeks who are working hard to chase their goals and are the inspiration for other… Read More

Misc

Open a link without clicking on it using JavaScript

Problem Statement: How to open a link without clicking on it using JavaScript? Solution: The link will be open when the mouse moves over the… Read More

JavaScript-Questions

JavaScript

Web Technologies

ByteBuffer compact() method in Java with Examples

The compact() method of java.nio.ByteBuffer class is used to compact the given buffer.The bytes between the buffer’s current position and its limit, if any, are… Read More

Java-ByteBuffer

Java-Functions

Java-NIO package

Java

JavaScript MouseEvent Button Property

The MouseEvent button property is used to define the left or right-click events. When the mouse button is clicked then it returns an integer value… Read More

JavaScript-Properties

JavaScript

Web Technologies

Preorder from Inorder and Postorder traversals

Given Inorder and Postorder traversals of a binary tree, print Preorder traversal. Example: Input: Postorder traversal post[] = {4, 5, 2, 6, 3, 1} Inorder… Read More

Advanced Data Structure

DSA

Tree

HSBC On campus (For Strikers and Acers)

Round 1: This was a coding + mcqs test on Cocubes platform. 90 mins Mcqs section was divided into 3 parts, Computer science related, Aptitude,… Read More

Experiences

Interview Experiences

Uber Interview Experience (On Campus for Internship 2018-19)

Round 1: The first round was an online coding round which consisted of 3 coding questions to be attempted in 90 minutes. Question 1 :-… Read More

Experiences

Internship

Interview Experiences

Amazon Interview Experience SDE2

Round 1: Left View Of Binary Tree Largest Sum Contigous Subarray Search in a row wise and column wise sorted matrix Round 2: Minimum number… Read More

Experiences

Interview Experiences

Pratul Kumar – Geek on the top | Learning is not a race, so it should not be treated like same

Geek on the top is all about success stories of Geeks who are working hard to chase their goals and are the inspiration for other… Read More

Misc

Software Engineer Interview at Google, Bangalore

Resume filter: I got a call from a recruiter who asked about my work experience. She also asked some basic questions on complexity, worst case and… Read More

Experiences

Interview Experiences

Microsoft Interview Experience (Internship 2018)

The complete process involved one online round, one group fly, few technical interviews, f2f interview with senior manager. Online Coding Round: This round had 3… Read More

Experiences

Interview Experiences