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Difference between View and Cursor in SQL

1. View : A view is a virtual table that not actually exist in the database but it can be produced upon request by a particular… Read More

DBMS-SQL

DBMS

Difference Between

SQL

Construct a string that has exactly K subsequences from given string

Given a string str and an integer K, the task is to find a string S such that it has exactly K subsequences of given… Read More

Prime Number

prime-factor

sieve

subsequence

DSA

Greedy

Hash

Mathematical

Pattern Searching

Searching

Strings

turtle.onclick() function in Python

The turtle module provides turtle graphics primitives, in both object-oriented and procedure-oriented ways. Because it uses Tkinter for the underlying graphics, it needs a version… Read More

Python-turtle

Python

turtle.onscreenclick() function in Python

The turtle module provides turtle graphics primitives, in both object-oriented and procedure-oriented ways. Because it uses Tkinter for the underlying graphics, it needs a version… Read More

Python-turtle

Python

turtle.screensize() function in Python

The turtle module provides turtle graphics primitives, in both object-oriented and procedure-oriented ways. Because it uses Tkinter for the underlying graphics, it needs a version… Read More

Python-turtle

Python

CheckBox in Kotlin

A CheckBox is a special kind of button in Android which has two states either checked or unchecked. The Checkbox is a very common widget… Read More

Android-Button

Kotlin Android

Picked

Android

Kotlin

Minimum cost to convert given string to consist of only vowels

Given string str of lower case alphabets, the task is to find the minimum cost to change the input string in a string that contains… Read More

ASCII

cpp-string

school-programming

vowel-consonant

DSA

Mathematical

School Programming

Strings

Printing triangle star pattern using a single loop

Given a number N, the task is to print the star pattern in single loop. Examples: Input: N = 9Output: * * * * *… Read More

loop

pattern-printing

DSA

School Programming

RadioGroup in Kotlin

RadioGroup class of Kotlin programming language is used to create a container which holds multiple RadioButtons. The RadioGroup class is beneficial for placing a set… Read More

Android-Button

Kotlin Android

Picked

Android

Kotlin

VideoView in Kotlin

VideoView class of Kotlin is used to display video files in the android application. This class supports the 3gp and MP4 video formats. VideoView class… Read More

android

Android-View

Kotlin Android

Picked

Android

Kotlin

Creating a Smart Contract that Returns Address and Balance of Owner using Solidity

Problem: Create a smart contract named MyContract having a state variable as owner. Create a constructor to fetch the address of the owner from msg… Read More

Blockchain

Solidity

Solidity – Abstract Contract

Abstract contracts are contracts that have at least one function without its implementation or in the case when you don’t provide arguments for all of… Read More

Blockchain

Solidity

Solidity – Enums and Structs

Enums are the way of creating user-defined data types, it is usually used to provide names for integral constants which makes the contract better for… Read More

Blockchain

Solidity

turtle.heading() function in Python

The turtle module provides turtle graphics primitives, in both object-oriented and procedure-oriented ways. Because it uses Tkinter for the underlying graphics, it needs a version… Read More

Python-turtle

Python

Print negative weight cycle in a Directed Graph

Given a weighted directed graph consisting of V vertices and E edges. The task is to print the cyclic path whose sum of weight is… Read More

bellman-ford

graph-cycle

Shortest Path

DSA

Dynamic Programming

Graph

RENAME (ρ) Operation in Relational Algebra

Prerequisites – Introduction of Relational Algebra in DBMS, Basic Operators in Relational Algebra The RENAME operation is used to rename the output of a relation. … Read More

DBMS-Relational Model

DBMS

GATE CS

Various examples in Basis Path Testing

Prerequisite – Basis Path Testing We have seen the steps involved in designing the test cases for a program using the basis path testing in… Read More

Software Testing

Software Engineering

Difference between Interrupt and Exception

Prerequisite – Interrupts and Exceptions Interrupt is one of the classes of Exception. There are 4 classes of Exception- interrupt, trap, fault and abort. Though,… Read More

Computer Organization and Architecture

Computer Organization & Architecture

Difference Between

GATE CS

C/C++ program for Armstrong Numbers

Given a number N, the task is to check whether the given number is Armstrong number or not. If the given number is Armstrong Number… Read More

number-digits

number-theory

Numbers

C Programs

C++ Programs

DSA

Mathematical

Select Rows & Columns by Name or Index in Pandas DataFrame using [ ], loc & iloc

Indexing in Pandas means selecting rows and columns of data from a Dataframe. It can be selecting all the rows and the particular number of… Read More

Python pandas-dataFrame

Python-pandas

Python