All Hard Articles

Multimethods in Python

Multimethod basically means a function that has multiple versions, distinguished by the type of the arguments. For better understanding consider the below example. @multimethod def… Read More

Python Decorators

python-modules

Python

What is DIMM(Dual Inline Memory Module)?

Before understanding DIMM, it is good to have information regarding RAMs and their accessories and how they operate. A RAM is a chip made up of… Read More

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Computer Organization & Architecture

Computer Subject

Python Program to Sort the list according to the column using lambda

Given a list, the task is to sort the list according to the column using the lambda approach. Examples: Input : array = [[1, 3,… Read More

Python list-programs

python-list

Python-sort

Python

Python Programs

Runtime Polymorphism in various types of Inheritance in C++

C++ allows users to use the concept of Run-Time Polymorphism using Virtual Functions for any type of Inheritance . Below is how to implement Run-Time… Read More

C++-Inheritance

C++-Virtual Functions

C++

C++ Programs

Blockchain Hash Function

A hash function is a mathematical function that takes an input string of any length and converts it to a fixed-length output string. The fixed-length… Read More

cryptography

Blockchain

Computer Subject

Write From Home

Node.js Request Module

The request module is used to make HTTP calls. It is the simplest way of making HTTP calls in node.js using this request module. It… Read More

Node.js-Misc

Node.js

Web Technologies

Write From Home

Node.js Yargs Module

Yargs module is used for creating your own command-line commands in node.js and helps in generating an elegant user interface. This module makes command-line arguments… Read More

Node.js-Misc

Node.js

Web Technologies

Write From Home

Queries to find kth smallest element and point update : Ordered Set in C++

Given an array arr[] of size N and a set Q[][] containing M queries, the task is to execute the queries on the given array… Read More

array-range-queries

Advanced Data Structure

Competitive Programming

DSA

Tree

How to change the session timeout in PHP?

In PHP, sessions are maintained to check if the user is active. When the user becomes inactive and the user forgets to logout from the… Read More

PHP-Misc

Picked

PHP Programs

Web Technologies

JavaScript Handler set() Method

JavaScript handler.set() method in JavaScript is a trap for setting a property value. This method returns a boolean value. Syntax: const p = new Proxy(target,… Read More

JavaScript-Methods

JavaScript-Proxy/handler

JavaScript

Web Technologies

How I cracked TCS Ninja ?

Round 1: I got selected for TCS interview by cracked TCS NQT-2019. First round is Technical Round.It is the most important round because it is the… Read More

Marketing

TCS

TCS-interview-experience

TCS-Ninja

Experiences

Interview Experiences

Count of subarray that does not contain any subarray with sum 0

Given an array arr, the task is to find the total number of subarrays of the given array which do not contain any subarray whose… Read More

subarray

subarray-sum

Arrays

DSA

EPAM Systems On Campus Interview of (2020 Graduates) for Junior Software Engineer

EPAM Systems hiring process consists of 5 rounds. 1st round is remote (in home) with web cam must & rest all rounds on campus in… Read More

Epam Systems

Marketing

On-Campus

Experiences

Interview Experiences

Count of pairs (A, B) in range 1 to N such that last digit of A is equal to the first digit of B

Given a number N, the task is to find the number of pairs (A, B) in the range [1, N] such that the last digit… Read More

DSA

Mathematical

How To Visualize Sparse Matrix in Python using Matplotlib?

Matplotlib is an amazing visualization library in Python for 2D plots of arrays. Matplotlib is a multi-platform data visualization library built on NumPy arrays and… Read More

Matplotlib Pyplot-class

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Python-Library

Python-matplotlib

Python

LFU Full Form

LFU stands for Least Frequently Used. It is a cache algorithm that is used to optimize the memory of the computer. In this algorithm, the… Read More

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Full Form

Analysis and Design of Combinational and Sequential circuits

1. Analysis and Design of Combinational circuits: To design of combinational circuits, the procedure involves the following steps: Find the required number of inputs and… Read More

Digital Logic

GATE CS

Write From Home

Python – Mapping key values to Dictionary

Sometimes, while working with Python records, we can have a problem in which we need to extract the key’s value as the dictionary values required.… Read More

Python list-programs

Python

Python Programs

Difference between Business Intelligence and Data Mining

Business Intelligence (BI) alludes to advances, applications, and hones for the collection, integration, examination, and introduction of business data. The reason for Commerce Insights is… Read More

data mining

Picked

Difference Between

Advanced Quick Sort (Hybrid Algorithm)

Prerequisites: Insertion Sort, Quick Sort, Selection SortIn this article, a Hybrid algorithm with the combination of quick sort and insertion sort is implemented. As the… Read More

Quick Sort

Algorithms

DSA

Sorting