Category Archives: Agile Development

Pair Programming – The Most Extreme XP Practice?

I was an early adopter of Extreme Programming (XP). I read Kent’s book when it was first released in 1999 and, though skeptical of some of the ideas, others resonated very strongly with me. I had been using something like … Continue reading

Posted in Agile Development, Culture, Effective Practices, Pair Programming | 1 Comment

The Anatomy of an Experimental Organisation

I am a software developer. I see the world from that perspective. In reality though that is only one viewpoint. While it is important that we are effective at delivering software, what really matters is that we are effective at … Continue reading

Posted in Agile Development, Continuous Delivery, Culture | Tagged | 1 Comment

Test Maintainability

At LMAX, where I worked for a while, they have extensive, world-class, automated acceptance testing. LMAX tests every aspect of their system and this is baked in to their development process. No story is deemed complete unless all acceptance criteria … Continue reading

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How many test failures are acceptable?

Continuous Delivery is getting a lot of mileage at the moment. It seems to be an idea whose time has come. There was a survey last year that claimed that 66% of companies had a “Strategy for Continuous Delivery”. Not … Continue reading

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Incremental Design – Part II

In my earlier blog post on incremental design I suggested that we need to allow for failure. So how do we limit the impact of failure, how do we tell when our design choices don’t work and how do we … Continue reading

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Is Continuous Delivery Riskier?

I read an article in CIO magazine today “Three Views on Continuous Delivery“. Of course the idea of such an article is to present differing viewpoints, and I have no need, or even desire, for the world to see everything … Continue reading

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Incremental Design – Part I

Continuous Delivery is all about making small changes. Work flows more easily, planning is simpler, error detection is helped and the time from idea to value is reduced when we make changes in small increments, but how do you solve … Continue reading

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Cargo-cult DevOps

My next blog post in the XebiaLabs “CD Master Series” is now available. DevOps is a very successful meme in our industry. Most organisations these days seem to be saying that they aspire to it, though they don’t necessarily know … Continue reading

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What does “good” look like?

The nice folks at XebiaLabs have asked me to do a few guest blog posts on their site. My first post is called “What does ‘Good’ look like?” “I think that we have a problem in the software development industry. … Continue reading

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The basics of TDD

The objectives of Test Driven Development and unit testing are generally misunderstood. The problem is the word ‘test’, it is much less about testing and much more about specification of requirements, showing your working – as in maths, and the … Continue reading

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