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WebRTC Issues and How to Debug Them

WebRTC is an amazing and rather ground-breaking technology pioneered by those geniuses at Google. Enabling plugin-free connectivity between browsers, the typical application for WebRTC is that of video chat applications. However, WebRTC is not just for audio and video; it’s also capable of transmitting other high-speed data. In short, envision a future of peer-to-peer gaming, file transfer, and other true ...

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Rails Frontend Testing with JavaScript Insights

One of the newer things that Rails 5+ provides is system tests. This gives us a full frontend testing experience with Capybara, which runs each of our tests through a real browser window to perfectly provide what a normal web user would experience. Having this baked in to Rails makes for an elegant way to get started and hit the ...

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Working with JSON in Scala.js

Introduction Working with JSON is almost inevitable regardless of the environment. In this post, we will go through different ways of serializing/deserializing (or encoding/decoding as some may call it) objects from/to JSON in Scala.js. As of the date this post is written, there are three main tools that convert objects to/from JSON: uPickle Circe scalajs-dom (using JSON.stringify() and parse()) We ...

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jQuery with HTML Example

Hello readers, in this tutorial, we will show readers how to use the jQuery library in a simple HTML application. 1. Introduction jQuery is nothing but a JavaScript library that comes with rich functionalities. It’s small and faster than many JavaScript code written by an average web developer. By using jQuery developers can write less code and do more things, ...

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How to Deploy Wildcard SSL Certificates Using Let’s Encrypt

The web of the future is encrypted and every site should have HTTPS enabled. Resources such as cookies, images, scripts, and HTML can be exploited, so good practice in web development is to make sure every resource accessed by users on your website is encrypted. Let’s Talk About SSL Certificates As you may know, HTTPS (Hyper Text Transfer Protocol Secure) ...

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Debug Node.js Effectively with Chrome DevTools

Debugging is the task of identifying and removing errors from software applications, and it’s more than just printing out values in your code. This post describes how to efficiently debug Node.js programs using the latest Google Chrome DevTools. A lot of developers use console.log in order to debug their application. But why? The answer is easy: It’s inconvenient to use ...

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AngularJS with Spring MVC Example

Hello readers, in this tutorial we will create a simple application that uses the spring and angular framework. For this tutorial, we’ll have a button that will display the user details when it is clicked. 1. Introduction It is very simple, but before moving further let’s take a look at the Spring, Spring MVC, and Angular framework.       ...

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Developing Web Components in Scala.js

Introduction Scala.js is a compiler that allows producing JavaScript from Scala. It focuses on simplicity and the elimination of borders between the source and the destination language so that developers can write JavaScript-like code while benefiting from all the features of Scala. Scala.js seems to be quickly evolving, and is almost near the 1.0 release, which is the first production ...

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AngularJS Project Structure Example

Hello readers, I have been programming for 6 years now and have used a fair share of languages and frameworks. In this tutorial, we will learn about the recommended way of structuring the angular web-applications. 1. Introduction Project planning is important for all the AngularJs applications. Having a well-defined and easy-to-traverse project structure can be very beneficial and helps effective ...

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