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Articles on Trending Technologies
Technical articles with clear explanations and examples
What is the difference between PATH and CLASSPATH in Java?
In Java, the terms Path and ClassPath refer to different things and are used for different purposes. Let's discuss them one by one with a suitable example − Path The path environment variable is used to specify the set of directories that contains execution programs. When you try to execute a program from the command line, the operating system searches for the specified program in the current directory and, if available, executes it. In case the programs are not available in the current directory, the operating system verifies in the set of directories specified in the 'PATH' environment variable. Setting ...
Read MoreFloating-point hexadecimal in Java
In this article, we use the '%a' format specifier to represent floating-point numbers in their hexadecimal form. This is useful when you need precise control over the representation of floating-point values. For Formatter, import the following package − import java.util.Formatter; Now creating a 'Formatter'object to format the data− Formatter f = new Formatter(); Using the format() method with the %a format specifier to convert a floating-point number to its hexadecimal string.− f.format("%a", 298.45) Example 1: Basic Example In this example, we format the floating-point number '298.45' to its hexadecimal representation using the '%a' format specifier with a 'Formatter' object ...
Read MoreWhat is the Difference Between Snapchat and TikTok
Snapchat and TikTok are two of the most popular social media platforms among young audiences today. While both focus on sharing short, engaging visual content, they cater to different use cases and offer unique features. This article explores the key differences between Snapchat and TikTok to help you understand their functionalities and choose the right one for your needs. What is Snapchat? Snapchat is a multimedia messaging app designed for sharing ephemeral content. Users can send photos, videos, and text messages that disappear after being viewed. Known for its privacy-focused features, Snapchat also offers Stories, filters, and augmented reality (AR) ...
Read MoreHow to Loop inside React JSX?
In this article, we are going to learn how to iterate on list or collection of data dynamically. However, directly using a loop is not a valid syntax in JSX. It is crucial to understand how to use loops inside React JSX. By iterating on arrays or any collections of data, we can render the component dynamically. Prerequisites ReactJS JSX Approaches to Loop inside React JSX The map() function and other methods can be used to repeat elements in JSX when we need to iterate over a list ...
Read MoreWhat are WordPress XML Files?
When you dive into the world of WordPress, you'll quickly encounter various terms and files essential for managing and optimizing your website. Among these, XML files play a crucial role, especially when it comes to data migration, backup, and SEO. But what exactly are WordPress XML files, and why should you care about them? Understanding XML Files XML, which stands for eXtensible Markup Language, is a versatile and self-descriptive language used to store and transport data. Unlike HTML, which focuses on displaying data, XML is all about carrying and structuring data in a way that's both human-readable and machine-readable. ...
Read MoreDifference between npx and npm
In this article, we’re going to discuss the differences between the npm and npx. The difference between npm and npx is that npm is a package manager for managing dependencies and npx is a tool that allows you to run Node.js packages directly without installing them. Both are related to node.js but they are used for different purposes. First, let’s understand what npm is. npm The npm stands for Node Package Manager. It is a default Javascript package manager for Node.js that allows developers to install, share and manage dependencies. NPM is installed when NodeJS is installed on system. ...
Read MoreHow to Fix React useEffect running twice in React 18?
In this article, we will cover why React 18's useEffect runs twice and how to handle this. If you recently switched your React application to version 18, you might have noticed that useEffect runs twice during component mounting. React 18 introduces a new development-only check called Strict Mode. This new check will automatically unmount and remount every component. Let's dive deeper into why this happens. Why useEffect runs twice? In React 18, when you are in development mode, your application runs in StrictMode by default. In StrictMode, React mounts, unmounts, and remounts components. It helps developers identify bugs and unexpected ...
Read MoreHow can I edit a .jar file?
Editing a .jar File? Java Archive files, commonly known as .jar files, are packaged collections of compiled Java classes and associated resources. Editing a .jar file can be useful for tasks like modifying configurations or updating resources. However, since .jar files are compressed and designed for execution, editing them requires specific tools and methods. This guide explains the steps to edit a .jar file effectively. Why Would You Need to Edit a .jar File? To update or modify configuration files (like .properties or .xml files). To replace or update resource files (e.g., images or audio). To debug or analyze ...
Read MoreDifference between state and props in React
In this article, we will learn about the differences between state and prop. props stands for properties and provides the way to pass the data from one component to another while state is like a variable to store data. Props are immutable because it can't be changed while State is mutable because we can change them easily. Understanding the concept of state and prop for building reusable and maintainable applications is necessary. ReactJS Props Props are the objects used to pass the data from one component to another. It is the abbreviation for Properties. Prop is the read-only ...
Read MoreJava 8: Difference between two LocalDateTime in multiple units
Difference Between Two LocalDateTime Java 8 introduced a powerful Date and Time API that provides developers with better control over date and time operations. One common requirement is to calculate the difference between two LocalDateTime objects in various units such as days, hours, minutes, and seconds. This article explains how to achieve this using Java 8's Duration and ChronoUnit classes. Understanding LocalDateTime LocalDateTime is a class in Java 8 that represents a date-time without a time-zone. It is often used in applications where the time zone is not needed. Calculating differences between two LocalDateTime instances is straightforward with the new ...
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