I’ve seen this question posed about EWD.js, something along the lines of: Why should the VA and others put their faith in and backing behind EWD.js, a framework developed and supported by a small UK company, when there are plenty of well-known and community-supported Node.js frameworks for web application development? I’d like to try to […]

The US Department of Veteran’s Affairs (VA) has embarked on an initiative known as VistA Evolution, the goal of which is to create a new generation of their Electronic Healthcare Record (EHR) that will be known as VistA4.   The aims of this initiative are entirely laudable: to modernise the ageing, but much loved and […]

For those who are interested in learning EWD.js, particularly in relation to modernising VistA, I’m running a course in Fairfax VA just before the WorldVistA Community Meeting: this 3-day comprehensive course runs from Friday 30th May until Sunday 1st June, 2014, and will be held at George Mason University.  You can register by clicking here. […]

I described how Google’s Chromecast device works in my previous article.  In this article, I’ll explain how to use the new Chromecast extensions for EWD.js to build your own Chromecast applications. Preparation The first thing you’ll need to do is install EWD.js or, if you’re already using EWD.js, update it to Build 54.10 or later. […]

Google launched the $35 Chromecast into the US market in July 2013 and it became available in the UK in March 2014.  It’s primarily marketed as a device for streaming video to your TV, and, as such, is usually compared with the Roku streamer, Apple TV and the new Amazon Fire TV. Once you look […]

As soon as you venture into the world of browser-based and Web Services-based architectures, you quickly realise that, unless you think things through very carefully, it’s a potential security nightmare.  You’re exposing databases containing sensitive data to the equivalent of the Wild West: a multitude of people who are apparently hell-bent on causing havoc either […]

Before I begin, for the benefit of those of you who are new to the world of Health IT, let me explain one bit of the jargon: EHR: An Electronic Healthcare Record – in other words, a computer system designed for managing and recording information relating to the treatment of patients within hospitals and/or community […]

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