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Mentorship in Software Craftsmanship

How's mentorship seen in Software Craftsmanship? First, a little bit of background and metaphor In the medieval times, apprentices would work in workshops an would be mentored by senior craftsmen (journeymen) or by the master craftsman himself. The apprentice had the responsibility to learn, observing the...


LSCC's First Code Retreat

On September 10th we had the London Software Craftsmanship Community's First Code Retreat. We had 22 passionate and talented developers working in Java, C#, Ruby, Python and JavaScript. Some of them travelled two hours, waking up as early as 5am, to come to the code...


One year of London Software Craftsmanship Community (LSCC)

Without a sense of caring, there can be no sense of community. Anthony Burgess Happy Birthday, LSCC!!!! On 18th of August 2011, the London Software Craftsmanship Community completed one year. And what a great year we had! How did it all start? David Green and...


SRP: Simplicity and Complexity

Simplicity does not precede complexity, but follows it. Alan Perlis The Single Responsibility Principle (SRP) - one of the SOLID principles - is definitely one of my favourites principles in Object-Oriented Design. I find its simplicity and, at the same time, its complexity fascinating. I...


Testing legacy: Hard-wired dependencies (part 2)

In part one, I showed how to unit test a method that uses a Singleton and makes static calls. So now, let's have a look at common code problems we find in legacy code, using the same example: public class TripService { public List<Trip> getTripsByUser(User...


Testing legacy: Hard-wired dependencies (part 1)

When pairing with some developers, I've noticed that one of the reasons they are not unit testing existing code is because, quite often, they don't know how to overcome certain problems. The most common one is related to hard-wired dependencies - Singletons and static calls....


Working with legacy code

Context Large organisations' systems may have from tens of thousands to a few million lines of code and a good part of those lines is legacy code. By legacy code I mean code without tests. Many of these systems started being written many years ago,...


A change in attitude - Legacy code

Attitude is a little thing that makes a big difference. Winston Churchill Not long ago, I gave a talk about Software Craftsmanship where I asked who liked to work on greenfield projects. Almost everyone raised their hands. Then I asked who liked to work with...


Re-drawing my own map: A new milestone

For every step you take towards mastery, your destination moves two steps further away. Embrace mastery as a lifelong endeavour. Learn to love the journey. George Leonard: Mastery: The Keys to Success and Long-Term Fulfillment It is with a mixture of sadness and excitement that...


Open-source developers deserve respect

I was recently reading Gojko Adzic's blog post called How is it even possible for code to be this bad? I must admit that I was very sad to see tremendous lack of respect towards the Hudson/Jenkins community and towards open source software developers in...


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