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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Beautiful Soup 4 Now in Beta

If you do any HTML/XML processing, you've probably heard of this powerful and useful package. Download the latest beta and run it on your code to help debug it and make sure it does what you need!

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Review of My New System: System 76 Gazelle Pro Laptop & Ubuntu 11.10

My old computer died and I have replaced it with a System 76 Gazelle Pro laptop running Ubuntu 11.10 “Oneiric Ocelot”. In this article I review the hardware & the OS. This is an unsolicited and unpaid review.

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Pushing the Limits in Java's Random

What is the largest double that could in theory be produced by Math.random()? In this newsletter, we look at ways to calculate this based on the 48-bit random generator available in standard Java. We also prove why in a single-threaded program, (int)(Random.nextDouble() + 1) can never be rounded up to 2.

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First Impression: Scala Goodies

I'm test-infected and that's why one of my first exciting Scala discoveries was ScalaTest

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