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James Shore04/14/11
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Let's Play TDD #102: Heresy, Revisited

The source code for this episode is available here. Visit the Let's Play archive for more episodes!

Martin Fowler04/14/11
3835 views
1 replies

Eradicating Non-Determinism in Tests

An automated regression suite can play a vital role on a software project, valuable both for reducing defects in production and essential for evolutionary design. In talking with development teams I've often heard about the problem of non-deterministic tests...

Daniel Ackerson04/13/11
5565 views
1 replies

Stealthily Introducing Agile from the Bottom Up

Even today, in the 21st century, it’s rare for CEOs to steer their companies into agile waters. Change is hard, scary and leads into the unknown and changing an entire organization compounds all these fears. But, there are subtle, yet significant, ways...

James Shore04/13/11
826 views
1 replies

Rabu Workflow: How Do We Get Customers to Participate?

How do we get customers to participate in Agile development? An Agile team is supposed to be able to move full speed ahead at all times, making critical product decisions when they're needed without waiting for approval or clarifications. To achieve this,...

Esther Derby 04/13/11
1253 views
1 replies

Pendulum Swings and Oscillating Systems

An effective hierarchy provides enough central control for coordinated action in achieving the aim of the organization. At the same time, the hierarchy must provides enough autonomy for subsystems to function, self-organize, flourish. Yes.  But how to do...

Giorgio Sironi04/13/11
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Practical PHP Testing Patterns: Testcase Class Per Class

We have many, many tests in our suites. Each of them is a single method, starting with the 'test' prefix. But where do we put them? In several Testcase Classes.There are several alternatives for choosing how to name the Testcase Classes and how many should be...

Jurgen Appelo04/12/11
1002 views
1 replies

Wasteful Product Owners?

In his recent blog post Banish “Priority” and “Prioritization” David Anderson (of Kanban fame) argues that prioritization of features by a ProductOwner is a “wasteful” act of “non-value-added” coordination. The ProductOwner role is, in his...

Mike Cottmeyer04/12/11
1090 views
1 replies

Life in the Goldfish Bowl

You really don’t want to be a small animal living in the Cottmeyer house. We’ve tormented our share of Guinea Pigs, Hermit Crabs, Frogs, and Fish. We had this poor little goldfish one time that belonged to my son Daniel. The fish lived in Daniel’s...

Johanna Rothman04/12/11
2865 views
2 replies

“Agile-the-Word” has Crossed the Chasm

When I lead public workshops, I ask people what their experience with with agile is. In the past, if I asked people if they were experienced with agile, their answers were reliable. Now, not so much.

Michael Dubakov04/11/11
5998 views
2 replies

5 Reasons Why You Should Stop Estimating User Stories

1. You don’t waste time on estimation Estimation takes time. Even if you do planning poker and use story points, it still takes time. What do you do to improve estimation accuracy? You gather some data, analyze the data and discuss the results. You are...

Scott Leberknight04/11/11
6908 views
1 replies

Advanced Burn Up Charts

If you've read my previous posts on the subject you know that I love agile burn up charts for managing SCRUM style projects, particularly compared to burn down charts.

Giorgio Sironi04/11/11
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We cannot avoid testing JavaScript anymore

You have to test your web application. Since the current year is 2011 and not 2002, you're going to use Ajax requests in it, and a certain amount of JavaScript code. JUnit, PHPUnit, NUnit and other frameworks perfect for server-side languages cannot directly...

Giorgio Sironi04/11/11
6131 views
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Practical PHP Testing Patterns: Parameterized Test

Sometimes the mechanics of different tests are really the same, and the only thing that changes between them are input and expected output data.As an example, consider testing mathematical calculations functions, or any kind of stateless method: you invoke it...

Matthias Marschall04/11/11
7519 views
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Scalarium – Manage Your Amazon EC2 Clouds With Chef

The guys from peritor, who are the creators of webistrano, created an opscode chef based cloud management solution: Scalarium. Jonathan Weiss walked me through their solution, which helps to solve the issue of installing and dynamically configuring...

Matthias Marschall04/09/11
946 views
1 replies

How Digital Agile Management Tools Make You Blind (And How A Physical Kanban Board Can Help You See Again)

We’ve been using PivotalTracker for years to manage our agile software development process. It works like a charm for us. Whenever an idea comes up, we enter it into Tracker as an Epic (no matter how rough and abstract it might be). When the time comes...