Data Structure
Networking
RDBMS
Operating System
Java
MS Excel
iOS
HTML
CSS
Android
Python
C Programming
C++
C#
MongoDB
MySQL
Javascript
PHP
In MySQL, both CHAR and NCHAR are ASCII character data types used for storing text data, but they differ significantly in terms of storage, data representation, and performance. CHAR and NCHAR columns can have different collations, determining how strings are compared and sorted. The CHAR type typically uses the collation associated with its specified character set. On the other hand, NCHAR is intended for Unicode data and typically uses a collation that can handle Unicode characters, ensuring proper sorting and comparison. Understanding 'CHAR' in MySQL The CHAR data type is primarily used to store ASCII character data. It is a ... Read More
In this article, we will learn to globally disable an animation using jQuery. In jQuery, animations are commonly used to create smooth transitions and effects. However, there might be scenarios where you want to disable animations globally, such as improving performance on low-powered devices or creating an instant response for user interactions. Using jQuery.fx.off to Disable Animations To globally disable an animation using jQuery, use the jQuery.fx.off() method, which can be set to true to disable all animations and effects. When this property is enabled, jQuery methods like .animate(), .fadeIn(), .fadeOut(), and .slideToggle() execute instantly without any animation. To enable ... Read More
In this article, we will learn about the difference between null and undefined in JavaScript. In JavaScript, null and undefined represent the absence of a value, but they have different meanings and use cases. What is undefined in JavaScript? It means a variable declared, but no value has been assigned to the variable. JavaScript automatically assigns undefined to uninitialized variables. For example Below is an example of undefined in javascript − var demo; alert(demo); //shows undefined alert(typeof demo); //shows undefined Output undefined undefined What is null in JavaScript? null is an intentional absence of a value. It ... Read More
In this article, we will learn to add a table row in HTML. Tables are a fundamental part of web development, used to display structured data in rows and columns. In HTML, you can add table rows using the (table row) element inside a structure. Attributes The HTML tag also supports the following additional attributes − Attribute Value ... Read More
In this article, we will learn to write a Java program to calculate the sum of cubes of the first n natural numbers. Understanding the Cube Sum Formula The sum of cubes of the first n natural numbers follows a mathematical formula − S = 13 + 23 + 33 + ... + n3 = { ( n ( n + 1 ) ) / 2 }2 Different Approaches Following are the two different approaches to printing the cube sum of first n natural numbers − Using a Loop Using a ... Read More
Divide and Conquer is the technique where all the main problems are divided into subproblems and after that subproblems will be solved and merged into a single solution. The article "Most Asked Divide and Conquer Coding Problems" covers all the important coding problems. It provides you with a wide range of questions from easy level to hard level. Following are the top divide-and-conquer problems of data structure and algorithms − Easy Divide and Conquer Problems The following are the easy problems of divide and conquer ... Read More
In Python, there are several ways to import modules without requiring installation. This can be particularly useful when you do not have administrative privileges or need to manage different module versions. Below are some common approaches: Using 'sys.path' to Include Additional Directories Using 'virtualenv' for Isolated Environments Using 'importlib' for Dynamic Imports Using 'sys.path' to Include Additional Directories We can add directories to Python's search path at runtime using the sys.path list. This allows Python to look for modules in custom locations and include directories where ... Read More
When working with files in Python, you often need to iterate through a list of files that match specific patterns. The 'glob' module provides a convenient way to accomplish this by using Unix-style pathname pattern expansion. It allows you to search for files based on their names, including wildcards, making managing files in your directory easier. Overview of the glob Module The glob module primarily offers three functions: glob(): Returns a list of files that match the specified pattern. iglob(): Returns an iterator (generator) for the matching files, which can be ... Read More
In Python, "array" is typically called a list. The Numpy is a multi-dimensional homogeneous array of fixed-size items. Due to some similarities between NumPy arrays and Python lists it defines significant variations in data formats such as memory utilization, performance, and functionality. Using array() and sort() method The NumPy array can be sorted in ascending or descending order. This can be possible using these methods because the array() allows the user to put the list inside of the parameter and pass it to sort() to get the result. As we know a list has powerful functionality in Python. Syntax It's ... Read More
In this article, we will learn the difference between JavaScript and C++. JavaScript and C++ are two widely used programming languages, each designed for different purposes and environments. While JavaScript is primarily used for web development, C++ is known for its high-performance applications, including game development and system programming. The following are the differences between JavaScript and C++ JavaScript is a lightweight, interpreted programming language. It is designed for creating network-centric applications. It is complementary to and integrated with Java. JavaScript is very easy to implement because it is integrated with HTML. It is open and cross-platform. C++ is a ... Read More