Articles

Article

git how to: ignoring files in git

This post was previously on the Pathfinder Software site. Pathfinder Software changed its name to Orthogonal in 2016. Read more. Just as we moved from cvs to subversion to git, our ignore files changed from .cvsignore to .svnignore to .gitignore. However, git offers more flexibility in managing our ignore files depending on the situation you […]

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Article

iPhone SDK: Cache Policy & Cookie Handling

mobile medical apps

This post was previously on the Pathfinder Software site. Pathfinder Software changed its name to Orthogonal in 2016. Read more. I recently ran into an issue building an app which hit an existing (protected) website. Passing credentials along with each request, responses at first appeared to be cached, even after the user credentials changed from […]

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Article

Agile Software Development and the Lazy Client Trap

medical device software development

This post was previously on the Pathfinder Software site. Pathfinder Software changed its name to Orthogonal in 2016. Read more. Agile Software development is all about the feedback loop. Do a little bit of something, get a little bit of feedback, change what you are doing if the feedback tells you so. There are all […]

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Article

Crafting Good Requirements for Medical Device Software

agile, verification & validation

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

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Article

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".

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Article

Walk-Through Test Coverage

This post was previously on the Pathfinder Software site. Pathfinder Software changed its name to Orthogonal in 2016. Read more. This week, I wrote up a little Rake task to improve coverage reporting by doing what I’m calling “walk-through” coverage testing. To explain what I mean, let me give an example. I’m adding a new feature […]

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Article

Where minimalism fails With Apple's Less-is-more Approach

mobile medical apps

This post was previously on the Pathfinder Software site. Pathfinder Software changed its name to Orthogonal in 2016. Read more. So I’m watching the big Apple notebook event and getting totally excited about the impressive new graphics capabilities. Finally, I’ll be able to get decent visuals on World of Warcraft on a Mac laptop. Then […]

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Article

Bullseye Diagram

This post was previously on the Pathfinder Software site. Pathfinder Software changed its name to Orthogonal in 2016. Read more. In most projects, it’s easy to come up with ideas but more difficult to give weight to their importance since the client (and sometimes the team) think they’re all important. So we move onto establishing […]

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Article

Jason Fried: "Build half a product, not a half-assed product"

This post was previously on the Pathfinder Software site. Pathfinder Software changed its name to Orthogonal in 2016. Read more. Jason Fried from 37Signals spoke yesterday at the ITA “Speaking of Success” event, about the history of 37Signals, their philosophy and culture, and the critical business decisions they’ve made to get them where they are […]

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Article

Betting Your Business on the iPhone

mobile medical apps

This post was previously on the Pathfinder Software site. Pathfinder Software changed its name to Orthogonal in 2016. Read more. Monopsony – the market condition that exists when there is only one buyer. We all have heard the term “monopoly” and even know a little bit of what it means – a market where there […]

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Article

Four Blatant iPhone Usability Blunders

Human Factors & UX, mobile medical apps

This post was previously on the Pathfinder Software site. Pathfinder Software changed its name to Orthogonal in 2016. Read more. I’ve been an iPhone 3G owner for about six weeks now – six weeks of love, loathing, cool apps and connectivity problems. Rather than complaining about poor network coverage, though, I’d like to delve into […]

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Article

Data visualization and the art of conveying information

This post was previously on the Pathfinder Software site. Pathfinder Software changed its name to Orthogonal in 2016. Read more. As a coder, I go over the tremendous amount of information on daily basis. My case is no different than anybody’s else living in the world today. Regardless of where we live and how we […]

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