All Hard Articles

Quality Function Deployment (QFD) in Software Quality

Quality Function Deployment (QFD) is process or set of tools used to define the customer requirements for product and convert those requirements into engineering specifications… Read More

Software Engineering

How to create a Face Detection Android App using Machine Learning KIT on Firebase

Pre-requisites: Firebase Machine Learning kit Adding Firebase to Android App Firebase ML KIT aims to make machine learning more accessible, by providing a range of… Read More

android

Java

Machine Learning

Project

Get list of column headers from a Pandas DataFrame

In this article, we will see, how to get all the column headers of a Pandas DataFrame as a list in Python. The DataFrame.column.values attribute… Read More

pandas-dataframe-program

Python pandas-dataFrame

Python-pandas

Python

Performing BVA Testing using Pytest

Prerequisite – BVA Testing To perform automated BVA(Boundary Value Analysis) Testing, we can use Pytest or Unittest libraries in Python. Here, we will use the… Read More

PyTest Library

Python Testing

Python

Maximum Sum possible by selecting X elements from a Matrix based on given conditions

Given a matrix G[][] of dimensions N × M, consists of positive integers, the task is to select X elements from the matrix having maximum… Read More

Memoization

prefix-sum

DSA

Dynamic Programming

Mathematical

Matrix

Searching

Count of Ordered Pairs (X, Y) satisfying the Equation 1/X + 1/Y = 1/N

Given a positive integer N, the task is to find the number of ordered pairs (X, Y) where both X and Y are positive integers,… Read More

counter

Numbers

DSA

Mathematical

Puzzles

School Programming

Searching

Sprinklr Interview Experience | On-Campus 2020 for FTE (Internship +Job)

Round one : (Coding test) It was an online coding test conducted on HackerEarth. A test consisting of 3 coding questions. Given two binary strings… Read More

Marketing

On-Campus

Sprinklr

Experiences

Internship

Interview Experiences

DE Shaw Interview Experience for 2021 Internship (On -Campus)

DE Shaw organized an on-campus recruitment drive for 2-months software development internship. Below is my experience of the drive. Round 0: Online Coding and Aptitude… Read More

D-E-Shaw

DE Shaw

Marketing

On-Campus

Experiences

Internship

Interview Experiences

Python Program to Count Non-Bouncy numbers

If any number is represented in such a way that when we are reading it from left to right each ith Digit is greater or… Read More

number-digits

Python

Python Programs

Introduction to Brython

We all know that Python serves excellent as a server side language, it can be also used as a client-side language. We can use Brython… Read More

Python

Pure Functions and Modifiers in Julia

Functional programming is very common nowadays, where we have to write a function to update and modify the variables or do some modifications according to… Read More

Julia-functions

Julia

SASS Variable in CSS calc() function

CSS is itself a good language for web designing but stylesheets are becoming more complex, larger, and even harder to maintain. That’s where a preprocessor… Read More

SASS

CSS

Web Technologies

Redis Pipelining

Redis is a Transmission Control Protocol (TCP) server which supports request or response protocol. A request is completed in 2 steps : The client sends… Read More

Computer Networks

Designing a Form Submission Page in Flutter

There are many ways to submit user-input data in Flutter. But the most used way is using TextFields. But there is a drawback of using… Read More

Flutter

Dart

Neuromorphic Computing

Neuromorphic computing tries to mimic way human brain works. Neuromorphic computing is much better candidate for next-gen computation. The term was first conceived by professor… Read More

Computer Networks

Computer Subject

Frame forwarding methods on Switches

There are 2 methods that all switch use for forwarding the frames (switching data) between the network ports: Store and forward switching Cut-through switching These… Read More

Computer Networks

Creating a Camera Application using Pyqt5

Prerequisite: Introduction to pyqt-5 PyQt5 is a cross-platform GUI toolkit, a set of python bindings for Qt v5. One can develop an interactive desktop application with… Read More

Python-projects

Python-PyQt

Python

Access object within another objects in Python

Prerequisite: Basics of OOPs in Python In this article, we will learn how to access object methods and attributes within other objects in Python. If… Read More

Python-OOP

python-oop-concepts

Python

Maximize length of Non-Decreasing Subsequence by reversing at most one Subarray

Given a binary array arr[], the task is to find the maximum possible length of non-decreasing subsequence that can be generated by reversing a subarray… Read More

subarray

subsequence

Arrays

Competitive Programming

DSA

Dynamic Programming

Queries to count characters having odd frequency in a range [L, R]

Given a string S of length N, consisting of lower case alphabets, and queries Q[][] of the form [L, R], the task is to count… Read More

array-range-queries

Bitwise-XOR

frequency-counting

prefix-sum

Arrays

Bit Magic

C++ Programs

Competitive Programming

DSA

Greedy

Mathematical