APPropriate Behaviour
The book about all the things software writers do that aren't writing software.
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Author Archives: Graham
Unit test: you keep using this word.
There’s an idea doing the rounds that the “unit” in “unit test” means the unity of the test, rather than a test of a software unit. Moreover, that it originally meant this, and that anyone who says “unit test” to … Continue reading
Why are we like this?
The recent post on addressing “technical debt” did the rounds of the usual technology forums, where it raised a reasonable question: why are people basing these decisions on balancing engineering-led with customer-led tasks on opinion? Why don’t engineers take an … Continue reading
Posted in software-engineering
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When to “address” “technical debt”?
The phrase “technical debt” appears in scare quotes here because, as observed in The Unreasonable Ineffectiveness of Considering Things Harmful, technical debt has quite a specific meaning and I’m talking about something broader here. Quoting Ward Cunningham: Shipping first time … Continue reading
So that’s how it works
Back in Apple Silicon, Xeon Phi, and Amigas I asked how Apple would scale the memory up in a hypothetical Mac Pro based on the M1. We still don’t know because there still isn’t one, although now we sort of … Continue reading
Posted in AAPL, arm, Mac
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Having the right data
In the beginning there was the relational database, and it was…OK, I guess. It was based on the relational model, and allowed operations that were within the relational algebra. I mean it actually didn’t. The usual standard for relational databases … Continue reading
Aphorism Considered Harmful
Recently Dan North asked the origin of the software design aphorism “make it work, make it right, make it fast”. Before delving into that story, it’s important to note that I had already heard this phrase. I don’t know where, … Continue reading
What is software engineering?
I suppose if I’m going to have a tagline like “from programming to software engineering”, we ought to have some kind of shared understanding of what that journey entails. It would be particularly useful to agree on the destination. The … Continue reading
Diagnosing a Docker image build problem
My Python script for Global.health was not running in production, because it couldn’t find some imports. Now the real solution is to package up the imports with setuptools and install them at runtime (we manage the environments with poetry), but … Continue reading
Posted in whatevs
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Halloween is Over
Back in 2016, I sent the following letter to Linux Voice, and it was published in issue 24 as the star letter. LV came to an end (and made all of their content available as Creative Commons) when they merged … Continue reading
Design Patterns On Trial
Back in 1999, the OOPSLA conference held a show trial for the “Gang of Four”: Erich Gamma, Richard Helm, Ralph Johnson, and John Vlissides. Five years earlier, they had released their book “Design Patterns: Elements of Reusable Object-Oriented Software” at … Continue reading
