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June 2009 - Posts

Kanban explained with pictures

Henrik Kniberg recently posted a number of comic strips describing the essence of Kanban pretty well. Using humor is not only funny, I think it makes the message stick a little bit better. The only downside with this comic is that it might not make all Read More...
Posted Tuesday, June 30, 2009 9:30 PM by cellfish | 0 Comments
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Why it is worth adding tests even when the investment is large

Have you ever found yourself fixing a bug or adding a simple feature to some code that have no tests and since you usually do things test driven you know you should get the code under test but you decide not to because the change only takes a few minutes Read More...
Posted Saturday, June 27, 2009 6:27 AM by cellfish | 0 Comments
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Making the smallest change to make a test pass is not the same thing as making the simplest change

Considering my recent rambling about the power of words I had an almost embarrassing experience at yesterday's dojo . When you look at the existing TDD literature it typically says; write a failing test, make a smallest possible change to make the test Read More...
Posted Thursday, June 25, 2009 8:42 AM by cellfish | 0 Comments
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Team Coding Dojo 3

We basically did two changes this time compared to last time . We adopted the micro pairing previously discovered and we tried a new Kata; BankOCR . I had prepared a variant of BankOCR where we added one user story at the time so that the group didn't Read More...
Posted Wednesday, June 24, 2009 8:40 PM by cellfish | 0 Comments
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PAL to NTCS converter

Finding a good PAL to NTCS converter turned out to be harder than expected. I needed something for my Wii, DVD player and digital video camera. And also something that would work with the TV I got. Turned out I had to dig a little bit more into my pocket Read More...
Posted Saturday, June 20, 2009 8:55 PM by cellfish | 0 Comments
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Extreme Interviewing

During an interview I've always found it hard to get all the facts I want about a candidate. Several years ago I gave up on technical details. More important is to see if the candidate is interested in learning new things and how good they are at accepting Read More...
Posted Monday, June 15, 2009 9:05 PM by cellfish | 0 Comments

Power of words

There is an old saying that the pen is mightier than the sword . The power of words, that is what words you use are very important when you want to teach or just get other interested in your ideas. An example of this is how Dan North came up with BDD Read More...
Posted Saturday, June 13, 2009 2:00 PM by cellfish | 0 Comments

Test readability

I read this excellent post on test readability a few days ago. I like the way he shows how he refactors a test for readability but personally I would have written the example test a little bit differently. First of all I would have added another extension Read More...
Posted Thursday, June 11, 2009 9:23 PM by cellfish | 0 Comments
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Random SQL

I must say that I have never used the random functionality in SQL more than once in my life and that was not for work, it was in a hobby project. Never the less, I find this article (free registration required) on how the RAND function works and is seeded Read More...
Posted Tuesday, June 09, 2009 10:12 PM by cellfish | 0 Comments
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Invest in good user stories

INVEST is an acronym to help you remember how to write good user stories. Independent - avoid dependencies between user stories. Negotiable - is there a possibility to implement both basic and advanced versions of the story? Valuable - can the story deliver Read More...
Posted Sunday, June 07, 2009 10:27 PM by cellfish | 0 Comments
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Coding Dojo 2

Today was the second MSFTCorpDojo I organized. Naturally we did the same kata as the first time . Three very interesting things happened this time. I've done this kata in about ten different dojos now and there are usually two different paths the design Read More...
Posted Wednesday, June 03, 2009 10:50 PM by cellfish | 0 Comments
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