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Google+ Sign-In with Scalatra

The requirements For one of our internal pet-projects at Codurance, we decided to have authentication and authorisation using Google+ Sign-in. Google+ Sign-In is able to authenticate anyone with a Google email account (gmail or business) using OAuth 2.0. However, we wanted to restrict the application...


A Software Craftsman Is

Someone who aspires to quality. Someone who considers the means as well as the ends. Alternatively, one who realises that everything has more than one outcome, and that as many of them as possible should be considered. Someone who does not build unnecessary things. Someone...


TDD is NOT (just) about you

Recently, another big debate about TDD started on Twitter and blogosphere. Is TDD dead? (No, that's ridiculous.) Does it improve or damage our design? Does it make us faster or slow us down? Seb Rose compiled a list of blog posts and tweets about it,...


Screencast - Explanatory Methods

On 9th of April 2014, we created our first screencast on our new YouTube channel. The idea is to have a series of (reasonably) short videos explaining some of the techniques we use when developing software. The videos will range from basic to advanced topics...


Keeping the domain in the core

Inspired by Alistair Cockburn's excellent article on Hexagonal Architecture, on our current project we have kept the core domain of our application independent of the infrastructure by taking the simple decision to divide our code into two main sections (higher level packages): infrastructure and core....


Just Another Day at the Office

On 4th of March 2014, a few days before my baby boy Samuel completed two months, a well-regarded cardiologist—let's call him Dr. Smith—gave us the news that Samuel had a heart condition called pulmonary valve stenosis. Dr. Smith's recommendation was that Samuel had a heart...


Software Craftsmanship book is now finished

Yesterday a wonderful 19-month journey came to an end. I released the last chapter of my book Software Craftsmanship: Professionalism, Pragmatism, Pride. As an avid reader since a young age, writing a book was always something I wanted to do. For me, it didn't matter...


Pairing without Programming

Pairing is often associated with programming. There's a Wikipedia article about pair programming, but nothing on pairing in general. And yet, it's a fantastic technique for getting anything done well, especially when neither of you really know exactly how to approach a problem. For a...


Resist the "Just in Case"

Of all the projects I have worked on a big regret has been; adding complexity where it was not needed. I was recently reminded of, how easy it is to fall into that trap. We are in the process of developing a new feature for...


Samir Talwar is our first craftsman

We are very happy to announce that Samir Talwar is joining us as our first craftsman. Mash and I first met Samir back in October 2010, when he joined LSCC. Samir became a very active LSCC member, ran many technical sessions, became an LSCC Associate,...


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