Email validation is a critical web application feature that confirms users provide a well-formatted email address prior to form submission. From login pages, signup forms, or contact pages, email input validation ensures data integrity, improves security, and offers a better user experience. Without validation, the users may insert incorrectly formatted email addresses, and this may …
In this article, you will have a good understanding of JavaScript closures . You will walk through the fundamentals of closures, functionality, and their practical applications. By the end of this article, you will have a clear understanding of closures, along with the skills to implement, optimize, and apply them efficiently in JavaScript development. JavaScript …
Images are a core part of our digital world, and analyzing their properties opens up a range of possibilities—from creative applications in design to technical solutions in AI and automation. One of the simplest yet powerful insights we can derive from an image is its average color. This value provides a single RGB representation that …
In this tutorial, we will discuss how to convert an image into grayscale using opencv library in python program. In python programming language convert an image into grayscale using opencv library in python is very simple than other programming language. In python program any code is very simple and well understand than other programming language. …
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In this tutorial, we will discuss how to get memory size of an image by using a Python program. It is very easy to find the memory size of an image by using Python code. Prerequisite: Install pillow library, to install run the following command: pip install pillow Import the Image PIL(Python Imaging Library)import module …
Database fields rely on Python’s Descriptor Protocol to manage data, and built-in properties like @property and staticmethod use it to control attribute access. Descriptors allow developers to define custom behavior for attributes, ensuring better control over how values are stored, retrieved, and modified. What are Descriptors? A descriptor is a Python object that controls attribute …
Are writing classes in Python sometimes too much work? You have to usually define an _init_ method, or _repr_ or _eq_method, and suddenly your class is filled with code! Well, guess what? Python’s dataclass is here to save the day! While using something called a decorator, you get automatic methods for initialization, representation, and comparison. …
How to Use Python’s dataclass for Cleaner and Faster Code Read More »
Variables Variables are the containers for storing information or a data. In Javascript , it can be declared in three ways: 1.var 2.let 3.count 1.var keyword – function scope or global scope. var variables can be re-declared and updated var x=10 { var y=20 } console.log(y) //output: 20 2. let keyword-block scope. let is only …
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This guide will show you how to implement AES encryption and decryption in Java from scratch. First, we introduce AES, explaining its functionality, different modes of operation, and why it is one of the most secure encryption algorithms available. Next, we provide a step-by-step tutorial, ensuring even beginners can easily understand and implement AES encryption …
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The split() method in JavaScript is used to slice a string into an array of substrings with the help of a learned separator. It is a flexible method for string manipulation, which people usually use to get the data from CSV files, to process user input, and many other things. This blog post will show …