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Progressive Web Apps (PWA) are a popular trend in mobile application development, utilizing web technologies. As of March 2018, PWAs work on Android and iOS devices with iOS 11.3 or higher, and macOS 10.13.4 or higher. A Progressive Web App is an app that can provide additional features based on the device support, such as offline capabilities, push notifications, almost native app look and speed, and local caching of resources. Originally introduced by Google in 2015, PWAs offer many advantages to both developers and users....

Every HTTP request consists of a set of mandatory and optional headers. In this blog post, we will provide a comprehensive list of these headers along with their descriptions. Standard Headers A-IM A-IM: feed This header specifies the acceptable instance manipulations in the response. It is defined in RFC 3229. Accept Accept: application/json The Accept header indicates the acceptable media type or types. Accept-Charset Accept-Charset: utf-8 The Accept-Charset header specifies the acceptable character set....

In JavaScript, the concat() method is used to concatenate strings. It combines the current string with the string passed as a parameter. Usage Example Here’s an example to demonstrate the usage of the concat() method: console.log('Flavio'.concat(' ', 'Copes')); // Output: Flavio Copes In this example, the concat() method is used to concatenate the string ‘Flavio’ with the string ‘Copes’. The result is the combined string ‘Flavio Copes’. Concatenating Multiple Strings The concat() method can also concatenate multiple strings together....

Introduction State management is a crucial aspect of every application, especially in React. While hooks like useState() and prop passing can take us quite far, complex scenarios often call for a dedicated state management library. One such library I’ve come to appreciate is the easy-peasy library, built on top of Redux. With its simplified approach to handling state, it allows for cleaner and more manageable code. Installation To start using easy-peasy, simply install it using the following npm command:...

The CSS calc() function is a powerful tool that allows you to perform basic math operations on values within your CSS code. It is particularly useful for adding or subtracting length values from percentages. In this blog post, we will explore the functionality of the calc() function and provide examples of how it can be used. How the CSS calc() Function Works To utilize the calc() function, you need to specify the math operation you want to perform within the parentheses....

The display property in CSS plays a crucial role in determining how an object is rendered by the browser. Understanding this property is essential as there are numerous values one can use. Some of the commonly used values for display include: block inline none contents flow flow-root table (and all table-* values) flex grid list-item inline-block inline-table inline-flex inline-grid inline-list-item While there are other values like ruby that are less commonly used, this article will focus primarily on the importance and usage of the following values:...

The margin property in CSS allows you to add space around an element. It is important to understand the usage and syntax of this property. In this blog post, I will explain how to use the margin property and its various related properties. Specific margin properties The margin property consists of four related properties that allow you to alter the margin of a single edge at once. These properties are:...

Learn how to use the position property in CSS effectively. Positioning is an important aspect of web development as it determines the layout and appearance of elements on a webpage. By using the position property, you have the ability to precisely control the placement of elements. There are five possible values for the position property: static, relative, absolute, fixed, and sticky. Static positioning The static value is the default positioning for elements....

In CSS, the url() function is used to load resources like background images or imported files. Understanding how to use this function correctly is essential in web development. In this article, we will explore the different ways to use the url() function effectively. Using Relative URLs To load a resource from a relative URL, you specify the file location relative to the CSS file’s location. For example, let’s say we have a CSS file and a test image called “test....

In a previous post about CSS positioning, we briefly mentioned the z-index property and its role in controlling the Z-axis positioning of elements. In this article, we will explore the z-index property further and discuss its usefulness when dealing with overlapping elements. When multiple elements overlap each other on a web page, it becomes crucial to determine which element should be visible, appearing nearer to the user, and which one(s) should be hidden behind it....