Data Structure
Networking
RDBMS
Operating System
Java
MS Excel
iOS
HTML
CSS
Android
Python
C Programming
C++
C#
MongoDB
MySQL
Javascript
PHP
Introduction This article compares and contrasts Python's Pandas library's single-column DataFrames and Pandas Series data structures. The goal of the paper is to clearly explain the two data structures, their similarities and differences. To assist readers in selecting the best alternative for their particular use case, it contains comparisons between the two structures and practical examples on aspects like data type, indexing, slicing, and performance. The essay is appropriate for Python programmers at the basic and intermediate levels who are already familiar with Pandas and wish to get a deeper grasp of these two key data structures. What is Pandas? ... Read More
Introduction Machine learning's core methods have been available for a long time, but computers have only lately developed the processing capacity necessary to apply the approaches in real-world settings. Today's artificial intelligence (AI) algorithms are capable of learning to recognize things in pictures and videos, communicate across languages, and even master board and arcade games. In some situations, such as with DeepMind's AlphaGo software, the AI even performs better than top humans at the given job! What is Machine Learning? Artificial intelligence is used in machine learning, where we will try to give computers access to the data and ... Read More
Introduction Modern technology now relies heavily on machine learning, which enables computers to learn from data and make predictions or judgements without being explicitly told to. Even for seasoned engineers, certain machine learning ideas might be challenging to comprehend because of their complexity. In this post, we will examine some of the most difficult machine learning topics, such as reinforcement learning, overfitting and underfitting, gradient descent, hyperparameters, and neural networks. Difficult Topics are Listed Below Neural Networks A key idea in deep learning, a branch of machine learning, is neural networks. They are used to find patterns in data ... Read More
A Perfect Power is a Natural Number that is the product of equal natural factors. It can also be defined as an integer that can be expressed as a square power or a higher power of another integer greater than one. For example, 4 can be expressed as the product of 2*2. 27 can be expressed as the product of 3*3*3. Hence, 4 and 27 are perfect powers. Problem Statement Given a number n, find the count of perfect numbers which are less than or equal to n. Example 1 Input = 14 Output = 3 Explanation 1 ... Read More
The Legendre’s Conjecture states that at least one prime number always exists between two consecutive natural numbers' squares. Mathematically, there is always a prime number p between any two numbers n2 and (n+1)2. n is a natural number. A conjecture means a conclusion that doesn't has mathematical proof. Hence, Legendre's Conjecture is just a statement with no mathematical proof. Problem Statement For a number n, print the number of primes in the range of n2 to (n+1)2 from 1 to n. Examples Input: 4 Output: For i = 1: Total primes in the range 1 and 4 = 2 ... Read More
What are Corner digits? The corner digits of a number refer to the rightmost and the leftmost digits. For example, the corner digits of 1234 are 1 and 4. The corner digits of a single-digit number will be the number twice. For example, the corner digits of 2 will be 2 and 2. Problem Statement For given two numbers, n, and x, form a number using the corner digits of all the powers of n from 1 and x, i.e., n1, n2....nx. Examples Input: n = 2, x = 4 Output: 22448816 Explanation 21 = 2. Corner digits = ... Read More
Gray code or reflected binary code is a form of a binary representation of numbers in which two consecutive numbers only differ by one bit. For example, the gray code of 1 is 001, while the gray code of 2 is 011. Gray code is usually used in error correction because it prevents some data errors that can happen in the usual binary representations while state changes. Gray code is also helpful in k-maps, communication, etc., because of its unique property. Prerequisite Study decimal, binary and gray code notations before reading further. Problem Statement 1 Given a decimal number n, ... Read More
What is ThopTV? ThopTV is an Indian app where you will be able to stream your favorite TV channels from more than 300 available. The app provides HD streaming free of cost. The app has Hindi channels along with many others that are popular worldwide. You will be able to watch videos, series, shows, movies, and other things. Why there is a need for ThopTV alternatives? ThopTV has become very popular and free of cost. Many users started using the app and enjoyed entertainment. Later, the app started facing problems due to regular server crashes alternatives for the app are ... Read More
Cube-free numbers are those numbers that have no cubic divisors. A cubic divisor refers to an integer that is a cube and divides the number with zero remainders. For example, 8 is a cubic divisor of 16 since 8 is a cube of 2 (2*2*2 = 8), and 8 divides 16 with the remainder of zero. Thus, 8 and 16 both are not cube-free numbers. Problem Statement Find all the cube-free numbers less than a given number, n. Example Let's understand the problem with an example. Let n = 15, Thus, we have to find all the numbers less than ... Read More
A Square Pyramidal Number means the Sum of the Square of Natural Numbers. Natural Numbers include all the numbers from 1 to infinity. For example, the first 4 Square pyramidal numbers are 1, 5, 14, 30. For better perception, consider the fact: If we take spheres of numbers equal to the square pyramidal numbers, starting from one, and stack them in descending order, they create a pyramid. Problem Statement Given a number Sum. If Sum is the sum of the squares of first “n” natural numbers, return n, otherwise return false. Example 1 Input = 30 Output = 4 ... Read More