Archive | October, 2011

Iteration in Scala – effectful yet functional

One of the papers that influenced me a lot in 2010 was The Essence of the Iterator Pattern by Jeremy Gibbons and Bruno C. d. S. Oliveira. It builds upon where McBride and Paterson left in their treatise on Applicative Functors. Gibbons’ paper discusses the various aspects of building traversal structures in the presence of […]

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Dependencies Break Agile

I’ve been running around lately telling people that the presence of dependencies break Agile. Just for the record, I want to explain what I mean when I talk about dependencies. Agile in general, Scrum specifically, is predicated on the idea that the team has everything it needs to deliver an increment of value. When the […]

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Geek Reading October 23, 2011

I have talked about human filters and my plan for digital curation. These items are the fruits of those ideas, the items I deemed worthy from my Google Reader shares. You don’t need to use JQuery to scrape HTML pages with node.js and jsdom Wherein I try to explain why Google Reader is the best […]

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Group Interaction: Using Rules And Self-Organization.

You don’t need to tell people how they should interact. If they have an opportunity to self-organize, all will be fine. Some say. No. No. You need rules that describe how people should interact. Otherwise things will be a mess. If everyone is just doing what they please, we’ll get chaos. Some say. Is interaction […]

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Getting Your HTML5 Fix: HTML5 At DZone

Some of you reading this post will know that many of my blog posts are syndicated at DZone.com. Some of you are probably asking one of two questions: Your blog content can be syndicated to a site like DZone? What is DZone? First, blog content all over the world is syndicated to other sites, even […]

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The Big Adventure Overview Map.

Over a year ago I started writing about Project Adventure Maps. As not everyone likes to receive information the same way, an alternative metaphor to talk about projects would at least be worth exploring. Many months later, the list of exercises that use the adventure travel metaphor has grown. It is time for an overview. […]

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2011 VersionOne State of Agile Development Survey

If you haven’t had a chance to fill out the annual VersionOne Agile Survey, time is running out. The V1 Survey has proven to be a great source of information about how we are doing as a community, and how far Agile has made its way into the mainstream. The guys at VersionOne would really […]

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Estimating a Full Backlog Based on a Sample of It

I want to address a question I was sent recently and that I get asked about once a month. The question has to do with how we estimate how many hours it will take to deliver a given product backlog if we have no historical data at all. My first bit of advice is always […]

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