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ArrayList iterator() method in Java with Examples

The iterator() method of ArrayList class in Java Collection Framework is used to get an iterator over the elements in this list in proper sequence.… Read More

Java-ArrayList

Java-Collections

Java-Functions

Picked

Technical Scripter 2018

Java

Technical Scripter

numpy.loadtxt() in Python

numpy.load() in Python is used load data from a text file, with aim to be a fast reader for simple text files. Note that each… Read More

Python numpy-arrayCreation

Python-numpy

Python

List remove(int index) method in Java with Examples

The remove(int index) method of List interface in Java is used to remove an element from the specified index from a List container and returns… Read More

Java-Collections

Java-Functions

java-list

Java

How to create an unordered_map of pairs in C++?

Unordered Map does not contain a hash function for a pair like it has for int, string, etc, So if we want to hash a… Read More

cpp-pair

cpp-unordered_map

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STL

Technical Scripter 2018

C++

Technical Scripter

typeof Operator Keyword in C#

The typeof is an operator keyword which is used to get a type at the compile-time. Or in other words, this operator is used to… Read More

CSharp-keyword

C#

Maximum sum of all elements of array after performing given operations

Given an array of integers. The task is to find the maximum sum of all the elements of the array after performing the given two… Read More

Kadane

Arrays

Competitive Programming

DSA

Greedy

Min Heap in Java

A Min-Heap is a complete binary tree in which the value in each internal node is smaller than or equal to the values in the… Read More

java-priority-queue

Picked

Java

Java Programs

Operator Overloading in Python

Operator Overloading means giving extended meaning beyond their predefined operational meaning. For example operator + is used to add two integers as well as join… Read More

Picked

Python-Operators

Python

Range Sum Queries and Update with Square Root

Given an array A of N integers and number of queries Q. You have to answer two types of queries. Update [l, r] – for… Read More

Binary Indexed Tree

Technical Scripter 2018

Advanced Data Structure

Algorithms

Bit Magic

Competitive Programming

DSA

Tree

Students with maximum average score of three subjects

Given a file containing data of student name and marks scored by him/her in 3 subjects. The task is to find the list of students… Read More

array-traversal-question

Arrays

DSA

Java Programs

Strings

Cross-platform Windows / Raspberry Pi project with C++, OpenCV and Gtk

Introduction This article belongs to a series of articles about writing, building and debugging an application written in C++, that uses Gtk library to handle… Read More

C++

C++ Programs

Project

Software Engineering

TechTips

Deloitte Interview Experience (On-Campus) 2018

Round 1: the first round was hosted in Aspiring Minds platform.there were three sections comprising of quantitative aptitude, logical and verbal aptitude. Quants section was… Read More

Experiences

Interview Experiences

Move all Uppercase char to the end of string

Given a string, move all Uppercase alphabets char to the end of the String. Examples: Input : Geeksforgeeks A Computer Science Portal for Geeks!! Output… Read More

java-regular-expression

Java-String-Programs

Technical Scripter 2018

Java

Java Programs

Technical Scripter

Minimum and Maximum number of pairs in m teams of n people

There are people which are to be grouped into exactly teams such that there is at least one person in each team. All members of a team… Read More

Combinatorial

DSA

Mathematical

How to run JavaScript from PHP?

JavaScript is the client side scripting language and PHP is the server side scripting language. JavaScript is used as client side to check and verify… Read More

Picked

Technical Scripter 2018

PHP

PHP Programs

Technical Scripter

Web Technologies

Check if item can be measured using a scale and some weights

Given some weights of masses a0, a1, a2, …, a100, a being an integer, and a weighing scale where weights can be put on both… Read More

tail-recursion

Technical Scripter 2018

Algorithms

C++ Programs

Competitive Programming

DSA

Recursion

Number of Paths of Weight W in a K-ary tree

Given a K-ary tree, where each node is having K children and each edge has some weight. All the edges i.e. K, that goes from… Read More

Technical Scripter 2018

Algorithms

Competitive Programming

DSA

Dynamic Programming

Recursion

Tree

Number of triangles that can be formed with given N points

Given X and Y coordinates of N points on a Cartesian plane. The task is to find the number of possible triangles with the non-zero… Read More

triangle

Combinatorial

Competitive Programming

DSA

Geometric

Mathematical

Expected number of coin flips to get two heads in a row?

Problem : Find the expected number of times a coin must be flipped to get two heads consecutively? Solution : The key is to observe… Read More

DSA

Mathematical

Technical Scripter

Convert Java Object to Json String using Jackson API

JSON stands for JavaScript Object Notation. It’s a standard text-based format that shows structured data based on JavaScript object syntax. It is commonly used for… Read More

Java-String-Programs

JSON

Java