All Hard Articles

How to Remove Duplicate Elements from the Vector in Java?

Using LinkedHashSet and TreeSet, duplicate elements are removed. Because the LinkedHashSet and TreeSet do not accept duplicate elements. Example: Input : vector = [1, 2,… Read More

Java-Vector

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Technical Scripter 2020

Java

Java Programs

Technical Scripter

Java Program to Sort the Elements of the Circular Linked List

In a circular linked list, every node points to its next node in the sequence but the last node points to the first node in… Read More

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DSA

Java

Java Programs

Linked List

List all files of certain type in a directory using Python

In python, there are several built-in modules and methods for file handling. These functions are present in different modules such as os, glob, etc. This… Read More

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Python Framework

Technical Scripter 2020

Python

Technical Scripter

How to plot two histograms together in Matplotlib?

Creating the histogram provides the visual representation of data distribution. By using a histogram we can represent a large amount of data and its frequency… Read More

Python-matplotlib

Technical Scripter 2020

Python

Technical Scripter

Print all combinations generated by characters of a numeric string which does not exceed N

Given a numeric string S of length M and an integer N, the task is to find all distinct combinations of S (repetitions allowed) that… Read More

Permutation and Combination

Backtracking

DSA

Mathematical

Recursion

Strings

Maximum length of same indexed subarrays from two given arrays satisfying the given condition

Given two arrays arr[] and brr[] and an integer C, the task is to find the maximum possible length, say K, of the same indexed… Read More

Binary Search

cpp-deque

Segment-Tree

sliding-window

subarray

subarray-sum

Advanced Data Structure

Arrays

DSA

Mathematical

Queue

Searching

Tree

Python MongoDB Tutorial

MongoDB is one of the most popular NoSQL database. It is a cross-platform, object-oriented database. Basically NoSQL means MongoDB does not store data in the… Read More

MongoDB

Python-mongoDB

Python

Difference between Cloud Computing and Distributed Computing

1. Cloud Computing : Cloud computing refers to providing on demand IT resources/services like server, storage, database, networking, analytics, software etc. over internet. It is a… Read More

Computer Networks

Difference Between

Median of Stream of Running Integers using STL | Set 2

Given an array arr[] of size N representing integers required to be read as a data stream, the task is to calculate and print the… Read More

array-stream

median-finding

STL

Arrays

DSA

Mathematical

Queue

Sorting

How to Use FFmpeg in Android with Example?

FFmpeg, short for Fast-forward MPEG, is a free and open-source multimedia framework, which is able to decode, encode, transcode, mux, demux, stream, filter and play… Read More

android

Technical Scripter 2020

Android

Java

Technical Scripter

Gaussian Discriminant Analysis

Gaussian Discriminant Analysis (GDA) is a supervised learning algorithm used for classification tasks in machine learning. It is a variant of the Linear Discriminant Analysis… Read More

DSA

Machine Learning

Mathematical

Count minimum substring removals required to reduce string to a single distinct character

Given a string S consisting of ‘X’, ‘Y’ and ‘Z’ only, the task is to convert S to a string consisting of only a single… Read More

cpp-unordered_map

frequency-counting

DSA

Hash

Strings

Flutter – Designing Email Authentication System using Firebase

Flutter is an amazing tool for developing cross-platform applications using a single code base. While Flutter is useful, it gets even better when you add… Read More

android

Firebase

Technical Scripter 2020

Dart

Flutter

Technical Scripter

glob – Filename pattern matching

Glob module searches all path names looking for files matching a specified pattern according to the rules dictated by the Unix shell. Results so obtained… Read More

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python-modules

Technical Scripter 2020

Python

Technical Scripter

Python – Pretty Print JSON

JSON stands for JavaScript Object Notation. It is a format for structuring data. This format is used by different web applications to communicate with each other. In this article, we… Read More

Python-json

Python

How to Serialize HashMap in Java?

Serialization is the process by which we convert an object into a stream of bytes and store these bytes in file systems/databases or put them… Read More

Java-HashMap

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Java

Java Programs

How to clone an ArrayList to another ArrayList in Java?

The clone() method of the ArrayList class is used to clone an ArrayList to another ArrayList in Java as it returns a shallow copy of… Read More

Java-ArrayList

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Java

Java Programs

Technical Scripter

How to Update Contents of a Table using JDBC Connection?

JDBC (Java Database Connectivity) is basically a standard API(application interface) between the java programming language and various databases like Oracle, SQL, PostgreSQL, etc. It connects… Read More

JDBC

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Java

Java Programs

Technical Scripter

Java Program to Implement the Schonhage-Strassen Algorithm for Multiplication of Two Numbers

Schonhage-Strassen algorithm is one of the fastest ways of multiplying very large integer values (30000 to 150000 decimal digits). This algorithm was developed by Arnold… Read More

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Technical Scripter 2020

Java

Java Programs

Technical Scripter

Blue Yonder Interview Experience for Software Engineer (On-Campus)

Online Assessment: There were 2 sections: AptitudeTechnical All questions are MCQ’S this round is from easy to moderate level. Technical round 1: She started by… Read More

Blue Yonder

On-Campus

Experiences

Interview Experiences