Insights

Orthogonals' experts share whitepapers, articles and presentations from the forefront of research in connected medical devices and companion software.  

Human Factors Engineering & FDA Guidance

In February 2016, the U.S. Food and Drug Administration (FDA) issued Human Factors Engineering Guidance documents.

Agile in FDA Regulated Medical Software

Testing is a crucial part of all software development. If you don't believe this you are likely just starting your career or haven't had to …

iPhone SDK: Cache Policy & Cookie Handling in NSURLRequest

I recently ran into an issue building an app which hit an existing (protected) website. Passing credentials along with each request, respons…

What makes a good requirement document for an agile project

Good requirement documentation needs these key elements: User Stories, User Acceptance Tests, Workflows, Requirements (Details), and Wirefra…

Elements of Ruby Style

Some thoughts on good Ruby & Rails styling, based on the 50th Anniversary edition of Strunk & White's: "The Elements of Style".

Custom Flex 3 Lightweight Preloader with source code

Here we will have a demonstration to an age old problem in Flash (and inherited in Flex), the preloader. I think that the Flex community has…

DRYing up Rails Controllers: Polymorphic and Super Controllers

Controllers are an obvious point to find repeated behavior in an application. Identical methods across many controllers are a very common pr…

Writing reusable jQuery modules: Make everything a plugin

I recently asserted that open-source plugins are sometimes more trouble than they're worth. Nevertheless, I've found one unexpected benefit …

How to use will_paginate with non-ActiveRecord collection/array

will_paginate is very well designed plugin. Besides ActiveRecord object integration, it can integrate with array and any collection that you…

jQuery Form and jQuery UI Tabs: Two great tastes that taste great toge…

I spent last week holed up writing part 4 of Ajax Overhaul, my series of articles for IBM developerWorks. Aimed squarely at Ajax beginners, …