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GATE | GATE CS 2021 | Set 1 | Question 1

The ratio of boys to girls in a class is 7 to 3. Among the options below, an acceptable value for the total number of… Read More

GATE

Make a given Binary String non-decreasing by removing the smallest subsequence

Given a binary string str of size N, the task is to find the length of the smallest subsequence such that after erasing the subsequence… Read More

binary-string

subsequence

DSA

Strings

Lexicographically smallest K-length subsequence from a given string

Given a string S of length N, the task is to find the lexicographically smallest K-length subsequence from the string S (where K < N). … Read More

lexicographic-ordering

Reverse

subsequence

DSA

Stack

Strings

Java Program to Reverse a Linked List Without Manipulating its Pointers

Given a linked list, the task is to write a program in Java that reverses the linked list without manipulating its pointers, i.e., the reversal… Read More

java-LinkedList

Technical Scripter 2020

Java

Java Programs

Technical Scripter

Thread.sleep() Method in Java With Examples

Thread Class is a class that is basically a thread of execution of the programs. It is present in Java.lang package. Thread class contains the… Read More

Java-Multithreading

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Technical Scripter 2020

Java

Technical Scripter

Runtime Type Identification in Java

Runtime Type Identification in Java can be defined as determining the type of an object at runtime. It is extremely essential to determine the type… Read More

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Java

Maximum sum of absolute differences between distinct pairs of a triplet from an array

Given an array arr[] consisting of N integers, the task is to find the maximum sum of absolute differences between all distinct pairs of the… Read More

Technical Scripter 2020

Arrays

DSA

Greedy

Sorting

Technical Scripter

Fizz Buzz Implementation | Set 2

Given an integer N, the task is to print all the numbers from 1 to N replacing the multiples of 3, 5 and both 3… Read More

DSA

Mathematical

Check if a string can be split into two substrings with equal number of vowels

Given a string S, the task is to check if the string can be split into two substrings such that the number of vowels in… Read More

frequency-counting

partition

substring

vowel-consonant

Competitive Programming

Data Structures

DSA

Greedy

Strings

Compare two Files line by line in Python

In Python, there are many methods available to this comparison. In this Article, We’ll find out how to Compare two different files line by line.… Read More

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Python file-handling-programs

python-file-handling

Technical Scripter 2020

Python

Technical Scripter

Adding Dates and Times in Python

Prerequisite: Python – datetime.tzinfo() Python supports datetime module to perform manipulations for date and time. Datetime module allows the user to perform various date and… Read More

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Python-datetime

Python

Generations of Computers – Computer Fundamentals

Generations of Computer: The modern computer took its shape with the arrival of your time. It had been around the 16th century when the evolution… Read More

School Learning

School Programming

Tailwind CSS Box Sizing

This class accepts more than one value in tailwind CSS all the properties are covered as in class form. It is the alternative to the… Read More

Tailwind-Layout

CSS

Tailwind CSS

Web Technologies

Aggregation in MongoDB

MongoDB aggregation operations process the data records/documents and return computed results. It collects values from various documents, groups them, and then performs different types of… Read More

MongoDB

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MongoDB

MongoDB – Find() Method

The find () method in MongoDB selects documents in a collection that matches the specified conditions and returns a cursor to the selected documents. A… Read More

MongoDB-method

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MongoDB

Implementing PCA in Python with scikit-learn

In this article, we will learn about PCA (Principal Component Analysis) in Python with scikit-learn. Let’s start our learning step by step. WHY PCA? When… Read More

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python

Technical Scripter 2020

AI-ML-DS

Machine Learning

Technical Scripter

How to use Flask-Session in Python Flask ?

Flask Session – Flask-Session is an extension for Flask that supports Server-side Session to your application. The Session is the time between the client logs… Read More

Python Flask

Technical Scripter 2020

Python

Technical Scripter

How to change the Node.js module wrapper ?

Module Wrapper Function: Under the hood, NodeJS does not run our code directly, it wraps the entire code inside a function before execution. This function… Read More

NodeJS-Questions

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Technical Scripter 2020

Node.js

Web Technologies

Flask form submission without Page Reload

There are many modules or frameworks which allows to build your webpage using python like bottle, django, flask etc. But the real popular ones are… Read More

Python Flask

Python Framework

Python

Converting Images to webp Open Source Format in Linux

In this article, we are going to see how to convert images to webp open-source format in Linux. Before starting, we will see the webp… Read More

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Technical Scripter 2020

Linux-Unix

Technical Scripter

TechTips