June, 2010

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Version 3.0

Tim Kadlec

For the second time this year, I’m launching a redesign of this site. Shortly after putting the last redesign live, I started wishing I’d have allowed for a little more flexibility in the types of content I produced. While I still enjoy writing full, detailed posts at times, there are a lot of times I just want to share a quick thought, or pass along a quote from an article I found particularly good.

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A Portfolio Perspective on Requirements

The Agile Manager

A software application is not a collection of features that create business value. It is a portfolio of business capabilities that yield a return on the investment made in creating them. This isn't semantics. There's a big difference between "business impact" and "financial returns." Some software requirements have a direct business impact. But not all of them do, which we'll explore in a little bit.

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Effective Concurrency Course: June and (Not) October

Sutter's Mill

I forgot to blog about this until now because of focusing on the Effective Concurrency course in Stockholm a few weeks ago, but to answer those who wonder if I’ll be giving it again in North America too: Yes, I’m also giving the public Effective Concurrency course again at the end of this month at the Construx facility in Bellevue, WA, USA. This will be the full four-day version of the course.

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Who's Stupid?

Tim Kadlec

Andy Rutledge wrote a post that is frighteningly on target. He argues that the “quality of your client experiences is directly proportional to the quality of your professionalism” He goes on to state that if your clients are “stupid” you may want to take a step back and consider who may truly be responsible for these failed interactions.

Design 40
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Mobile User Behavior Groups

Tim Kadlec

According to an article on Information Week , Google classifies mobile users into three behavior groups: The “repetitive now” user is someone checking for the same piece of information over and over again, like checking the same stock quotes or weather. Google uses cookies to help cater to mobile users who check and recheck the same data points.

Mobile 40
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To comment, or not to comment.

Tim Kadlec

Derek Powazek shares his thoughts on turning off comments: I turned off comments in the last redesign of powazek.com because I needed a place online that was just for me. With comments on, when I sat down to write, I’d preemptively hear the comments I’d inevitably get. It made writing a chore, and eventually I stopped writing altogether. Turning comments off was like taking a weight off my shoulders.

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Short Run Robustness, Long Run Resiliency

The Agile Manager

There is no such thing as a "long run" in practice --what happens before the long run matters. The problem of using the notion of "long run", or what mathematicians call the "asymptotic" property (what happens when you extend something to infinity), is that it usually makes us blind to what happens before the long run. [L]ife takes place in the pre-asymptote , not in some Platonic long run, and some properties that hold in the pre-asymptote (or the short run) can be markedly divergent from those

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The Great Mobile Debate

Tim Kadlec

There’s been an ongoing debate in the world of mobile development as to how mobile apps should be distributed, via an open system or a closed system, and consequently, how one should approach mobile development. We could probably also call this debate “Apple versus everyone else” The issue has been brought up many times, usually right after Apple announces some change in the way they accept applications into their store.

Mobile 40