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Jim Highsmith06/08/11
0 replies

Agile ALM: The Future of Delivery Automation

In the old days, you know those days when waterfall reigned and a certain 3-letter acronym product was widely used, Application Lifecycle Management (ALM) systems were large, monolithic, document-centric, and universally hated by rank-and-file engineering...

Jon Archer06/08/11
1 replies

DICOM Non-Technical Introduction: Mind Map

Earlier today I went through the non-technical introduction to DICOM on the RSNA (Radiological Society of North America) website written by Steven C Horii, MD. As I was doing so I compiled a mind map using the excellent SimpleMind tool to help jog my...

Mitch Pronschinske06/08/11
0 replies

Video: Model Driven Management with Puppet

The sysadmins at Puppet Labs are less interested in the latest marketing buzzwords and more interested in the practical day-to-day issues.  In this video...

Giorgio Sironi06/08/11
0 replies

Practical PHP Testing Patterns: Dummy Object

A Dummy Object is the simplest specialization of the Test Double pattern. As always, if you want to avoid constructing the real collaborator of the System Under Test, use a Test Double: you'll get a shorter and simpler test, with the plus of isolation from...

Giorgio Sironi06/07/11
0 replies

On commits and commit messages

I confess I do not pay attention to commit messages as much as I would. It's really easy to not put care into our messages, especially when you have an habit of committing very small increments. Yet, how you perform a commit have effects on how your work is...

James Shore06/07/11
0 replies

Let's Play TDD #112: It's in the (Grid)Bag

The source code for this episode is available here. Visit the Let's Play archive for more episodes! Many thanks to Danny Jones for figuring out the HD Youtube embed code.

Jon Archer06/07/11
1 replies

Understanding progress: on points, velocity and when to add new stories

Building software takes time. Usually enough time that people are interested in monitoring progress and understanding when it will be done. Agile teams often use User Stories as a unit of work. Typically these are estimated in points enabling a team to...

David Bland06/07/11
1 replies

How to Create a Business Model Canvas in Google Docs

A Business Model Canvas is an easy to use, lightweight and powerful tool for anyone looking to sketch out business models. It is quickly becoming the preferred strategic management tool for start-up organizations. While it is available in .pdf form from...

Patrick Debois06/07/11
1 replies

Puppet Homebrew Package Provider

I've become a big fan of homebrew package system on Macosx. I moved away from macports because it allows me to easily change the way packages are compiled: sometimes I need experimental versions of software or versions that are not in macports yet.

Giorgio Sironi06/06/11
0 replies

Practical PHP Testing Patterns: Generated Value

Here is a possible scenario: exact values do not influence the behavior taken in the test. For example, the name used for saving an user is not likely to get your ifs and fors on a different path. As long as it's consistent during the test, it does not matter...

Mark Needham06/06/11
0 replies

"In What World Does That Make Sense?"

In her keynote at XP 2011 Esther Derby encouraged us to ask the question “in what world does that make sense?” whenever we encounter something which we consider to be stupid or ridiculous. I didn’t think much of it at the time but my colleague Pat...

Mike Cohn06/06/11
3 replies

Time as a Competitive Advantage

An article I read in 1988 has always stuck with me. The article was “Time–The Next Source of Competitive Advantage” by George Stalk in the Harvard Business Review. The article came near the start of an era in which companies primarily sought...

Michael Sahota06/06/11
1 replies

StrategicPlay® with Lego® SERIOUS PLAY® – Creative, Collaborative Solving of Wicked Problems

 StrategicPlay® with Lego® SERIOUS PLAY® is a powerful experiential tool to enhance innovation and business results. This post provides a brief introduction to summarize what I learned when I attended the amazingly good facilitator training with...

Dawn Cannan06/06/11
0 replies

How *NOT* to win the hearts of developers, part 1

So, I had this crazy idea that I would try to do this blog in some chronological order, since a lot of the early posts will be historical lessons.I know it won't happen that way, but I will at least start pretty early.

Marco Tedone06/05/11
6 replies

Legacy code is not necessarily "ugly code"

I was recently surprised when, at the question: "What is legacy code?" someone answered: "According to Michael Feathers, legacy code is any code without automated test." (Michael Feathers is, for those who don't know, the author of...