Screen capture in Microsoft Edge

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We’ve looked before at how to capture a user’s screen in Chrome and Firefox. Good news, another browser has support now, Microsoft’s Edge. Let’s see how we can capture the screen with Edge. What you need The latest version of Edge, which is currently version 42 with EdgeHTML version 17 (if you’re on a Mac like me, you can get a free virtual machine with Windows 10… Read More

How to detect if a Chrome extension is installed

In other posts we have investigated how to capture screen output in Chrome and built a screen sharing video chat application. There was one feature missing though. The Chrome extension made screen capture possible, but didn’t test whether it  had been installed before the application tried to use it. In this post we are going to build a Chrome extension that can be detected from the front… Read More

Add screen sharing to your Twilio Video application

In recent posts we’ve seen how to capture a user’s screen in Chrome and Firefox. Now it’s time to combine this with a real video chat application and share screens as part of a video chat. What we’re building In this post we’ll take the Twilio Video quickstart application and add screen sharing to it. When we are done your application will let you make calls between browsers… Read More

The ultimate guide to sending bulk SMS with Twilio and Node.js

Sending a single SMS with Twilio is a relatively straightforward affair, but what if you had to send 10 messages? Or 10,000? Imagine you’re an ice cream seller. You want to improve business by sending SMS alerts when you’re in your van so that your customers will know you’re on your way to deliver some sweet refreshment. Look, I know what you’re thinking: “It’s December, hardly… Read More

How to receive and respond to text messages in Ruby with Hanami and Twilio

If you’re building web applications with Ruby then you’re probably using Rails. Hanami is a young competitor focused on providing a full featured, modern web framework for Ruby developers that is fast, secure and flexible. Hanami is a new web application framework for the Ruby community. It has been under development since 2014, initially under the name Lotus. Version 1 was released in April 2017 and version 1.1 was just… Read More