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Articles on Trending Technologies
Technical articles with clear explanations and examples
Swift program to Convert Celsius to Fahrenheit
Fahrenheit is the commonly used temperature-measuring unit. In this scale, the freezing point and boiling point of the water are 32 degrees and 212 degrees. Whereas Celsius is also a temperature-measuring scale. In the Celsius scale, the freezing point and the boiling point of the water are 0 degrees and 100 degrees. So in Swift, we can convert Celsius to Fahrenheit using the following methods − Using Formula Using converted() method Method 1: Using Formula We can easily convert Celsius to Fahrenheit using the mathematical formula. It is the easiest way to convert Celsius to Fahrenheit. Syntax ...
Read MoreSwift program to find the longest word in a string
In Swift, a string is a sequence of characters. So a string can contain small and larger words. Hence using the following methods we can find the largest word in the string. Using component() method Using user-defined method Example Input String: "Rabbit run fast" Output String: "Rabbit" Here, the largest word among all the given words in the string is “Rabbit”. Method 1: Using component() method The components() method is used to create an array of substrings from the given string, where each substring is separated by the specified separator. So here we use the components(separatedBy:.whitespaces) method ...
Read MoreTweening and animating HTML5 and JavaScript properties with Tween.js
Tween.js is a JavaScript library that is mainly used when we want to tween or animate an HTML5 or JavaScript property. It can work standalone as well as when integrated with Easel.js. In this tutorial, we will learn how we can make use of Tween.js with the help of a few examples. Before we go on to the main example, let's first discuss a few simple tweens so that when we use them in the main example, you don't get overwhelmed. Simple Tween In this tween, we will tween the alpha property of the target from 0 to 1 for ...
Read MoreSwift program to generate a password
A password is a combination of various characters of a specified length and is used to authenticate or gain access to the system or login to an account. It is designed for security purposes and ensures that only an authorized user can access or log in to the specific account. It is important to select a strong password so that other people cannot crack it. It is generated according to the following conditions − Contains at least one uppercase letter. Contains at least one lowercase letter. Contains at least one number. Length must be 8 characters Contains at ...
Read MoreAdding Animations to a Webpage using Velocity.js
Animations have become a very integral part of website interfaces in today's web development world. They help in enhancing the user experience of a website and in this article, we will learn how we can make use of Velocity.js to add beautiful animations to our web pages. VelocityJS is a JavaScript animation engine that provides us with very fast performing animations that we can use in our web pages. It has become one of the leading animation engines and there are different reasons for its success. I have mentioned some of the most important reasons that make it a very ...
Read MoreSwift program to generate an OTP
An OTP is known as a one-time password. It is an automatically generated random numeric string which is used for a single login session or transaction on digital devices. It is generally used to enhance security by providing extra authentication. For example, “423193”, “489201’, etc. To generate OTP Swift provides the following methods − Using random() method Using randomElement() method Method 1: Using random() method As we know that OTP is a randomly generated string. So to generate a random string Swift provide an inbuilt function named as random(). It is used to create a random string of ...
Read MoreWorking with HTML5 Canvas Elements using Easel.js
The popularity of HTML5 Canvas elements is well known, as they allow web developers to create animations, full-fledged applications, interactive charts as well. But sadly, it is very hard for someone to understand canvas, especially if he/she has come from the Flash animation background. In this tutorial, we will explore the Easel.js library, which allows us to work with HTML5 Canvas elements. The syntax of Easel.js is similar to ActionScript and it even has features like Display List, Stage, Graphics which ultimately makes the use of canvas easier for the Flash developers. Now that we have a little idea about ...
Read MoreValidating a Form with Parsley.js
In this tutorial, we will show how you can use Parsley.js, which is a JavaScript library that is mainly used to validate forms. Parsley helps in validating the forms in a very subtle and easy manner, and it is one of the widely used form validation libraries out there. Features of Parsley.js There are plenty of reasons why Parsley is a good choice for validating your JavaScript forms. Some of them are mentioned below. Intuitive DOM API − The DOM API allows you to use simple English inside your HTML tags, and Parsley will do the rest. There's no ...
Read MoreTaffyDB – A JavaScript Database for Your Browser
TaffyDB is a lightweight and powerful in-memory database that can be used in both browser and server-side applications. It is open-source and free to use. In this tutorial, we will take a couple of examples to show how you can use TaffyDB to store some data, execute some queries on the data, and also perform important operations on the data. Let's Start with a Simple Example Let's start with a very basic example in which we will create some data and then try to print that data on the browser. The first step for us is to have TaffyDB. For ...
Read MorePosition Tooltips and Popovers using Popper.js
Popper.js is a JavaScript library that is used when we want to build poppers and tooltips and manage them. It helps us in positioning tooltips and popovers in most modern web applications. In this tutorial, we will show how you can use Popper.js to position tooltips, but it should be noted that Popper is not just all about tooltips, yet is somewhat the foundation on which it is built. Let's Start with a Small Example Let's create a simple tooltip with a button to understand how we can use popper.js. The first step is to install popper.js on our machine. ...
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