Atomic Scala eBook & Downloadable Hands-On Java eSeminar

I've been doing a lot of media production in recent months and the efforts have borne fruit: I've created my first full-fledged eBook (after lots of research) and I've reworked the Hands-On Java eSeminar so it's now a download instead of mailing a CD.

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A Hazard of Covariant Return Types and Bridge Methods

A combination of bridge methods, covariant return types and dynamic dispatch can lead to some surprising and unfortunate results.

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The Scala Summit in Crested Butte, August 19-21

This is the first iteration of an event we hope to evolve into something like The Java Posse Roundup, but with hiking and mountain biking instead of snow activities. We already have an impressive list of name-brand attendees.

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ScalaTest 2.0.M6 Preview

The 2.0.M6 milestone release of ScalaTest is coming soon. It is a major release with many new features. In this post, I give a preview of the new features, and ask for feedback.

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Use Uncertainty As a Driver

Uncertainty is normally seen as something you must either suppress or avoid. Of this many people appear, well, certain. That you should embrace it and use it to help determine schedule and design is not immediately obvious.

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Simplicity Before Generality, Use Before Reuse

Generality and reusability sound like such good qualities to have in code that is easy to forget not only how hard they are to achieve, but also that without the more modest qualities of simplicity and utility how little value they may hold.

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Windows 8 is ... Not So Bad

After a lot of trepidation because of bad press, I've rapidly come to prefer Windows 8 over Windows 7. Because an equivalent-horsepower Mac is 3 times the cost of a Windows 8 machine, I'm moving back to Windows.

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"Atomic Scala" Print Book Now Available

After two years of cogitation on Scala, the print version of the book is ready! (The Kindle version might take another month or two...).

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Gentle Introduction to Scala: The Seminar

For the last year and a half, Dianne Marsh and I have been working on an introductory Scala book.

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Windows 7 Client for NFS Grief and Solution

Having problems with using NFS on Windows 7? Here's a very simple solution.

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Summer Workshops: Gentle Intro to Scala & Get Your Groove Back

The earlier workshop came about because of a last-minute opportunity, thus the short notice. Both follow the open style that I've been developing in recent years.

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G4G10: Gathering for Gardner 10

An account of my first Gathering for Gardner, a conference for recreational mathematicians, magicians, puzzlers, philosophers, and other curious types.

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Revisiting: Why salary bonus and other incentives fail to meet their object

In 2004, I posted "Why salary bonus and other incentives fail to meet their objectives". Here's a great RSA presentation by Dan Pink about WHY that's true.

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Down on the Upside

Abstraction is a question of less over more. But is it also a question of high over low? It turns out that the common way of describing abstractions in terms of high-level and low-level hides a number of assumptions, some of which suggest that we often look at abstraction the wrong way up (or down).

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A Test of Knowledge

What can you learn from testing? When you look beyond the red and the green, the fail and the pass, you can learn a lot more about the nature of the code and the nature of the problem domain. And there is a lot to learn — software development is called knowledge work for a reason.

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