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Web Programming Tutorials

Learn About Sass Variables for Customizing in Bootstrap 4

In this article, we are going to discuss the use of Sass variables for customizing our web front end HTML pages in Bootstrap 4. SASS stands for Syntactically Awesome Stylesheet. It is a CSS pre-processor which helps in the reduction of the repetition with CSS that ultimately saves our time. It is known to be

Web Programming Tutorials

Learn about Event Emitters in Node.js

In the last article, we discussed the concept of event driven programming where the Node.js application runs on a single thread but still it achieves concurrency through event and callback functions. Callback is defined as an event which is invoked or called immediately after the completion of a particular task. In this article, we are

Web Programming Tutorials

Learn Event Driven Programming in Node.js

In this article, we are going to discuss the concept of event driven programming in Node JS. It may be surprising to learn that the Node.js is an application that runs on a single thread but we can still achieve concurrency in Node.js with the help of event and callback functions. Callback can be defined

Web Programming Tutorials

Learn about Typography in Bootstrap 4

In this article, we are going to learn about the Typography feature of Bootstrap 4. Typography refers to the various styles present in Bootstrap 4 style sheets which define how various text elements will appear on the web page. It shows how certain text elements are rendered when we use Bootstrap without including the style

Web Programming Tutorials

Learn to Build an Audio Player Using HTML5

In this article, we are going to build an audio player using HTML5. We are going to incorporate HTML5 audio features as well as JavaScript and jQuery. We will add features like Play, Previous, Next, Pause, Stop and Volume control. We will also include a progress-bar with time, as well as create a playlist of

Web Programming Tutorials

Learn the Concept of Callback in Node.JS

In this article, we are going to discuss the callback feature in Node.JS. Callback can be defined as an event which is invoked or called immediately after the completion of a particular task as desired. We will understand this with the help of two examples i.e. blocking and non-blocking calls. Introduction to Callback We are

Web Programming Tutorials

Learn About the Replication Feature in MongoDB

In this chapter, we are going to explore the replication feature in MongoDB. The phenomenon of synchronizing data across multiple servers is known as replication. It is an important and useful feature of MongoDB as it provides redundancy as well as increases the availability of data since there are multiple copies which are present on

Web Programming Tutorials

Learn About Forms & Form Features in Bootstrap 4

In this article, we are going to learn about various forms features available in Bootstrap 4. A default style is applied across most form controls in Bootstrap 4, which also provides various style classes for specific purposes. Generally, Bootstrap 4 by default applies display: block and width: 100% to the most form controls that results

Web Programming Tutorials

Installing and Setting up React Native Environment

React was introduced by Facebook in 2013 as a declarative JavaScript library to help accentuate the features of JavaScript and simplify coding. What React does is renders just the right components when data changes, speeding up the process of reloading the page every time. A further addition was made to this amazing library, known as

Web Programming Tutorials

Learn about the Aggregation Method in MongoDB

In this chapter, we are going to explore the ‘aggregate’ method to operate on the documents present inside a collection of MongoDB. This method collects the records from the collection’s document to process and return a single result such as sum, count, max, min, avg, etc. Aggregation in MongoDB If we talk about RDBMS, then