Author Archives: J. D. Bartlett

Ubuntu on a ThinkPad Helix (x86 Tablet/Convertible)

I’m looking for a new tablet. Over the past few days I’ve had the chance to play around with a ThinkPad Helix. The Helix comes with Windows 8, but naturally, I installed Ubuntu to see how it works on a touch device. Here are my findings. Continue reading

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PyCon Australia 2015: The Trosnoth Talk

I recently spoke at PyCon Australia. He’s a video of my talk. I talk about the open source team platformer, Trosnoth, for which I’ve been leading the development team since the project began in 2006. I share some of the … Continue reading

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Ubuntu: GPG public key not available during apt-get update

I have recently had a problem where apt-get update complained with errors like this (but more of them): W: GPG error: utopic Release: The following signatures couldn’t be verified because the public key is not available: NO_PUBKEY 40976EAF437D05B5 NO_PUBKEY 3B4FE6ACC0B21F32 … Continue reading

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Exchanging Work in Progress with Mercurial

The Problem I work with other people on software projects. Sometimes it would be really handy to be able to exchange unstable work in progress with other developers, without having to commit the work as a permanent changeset in our … Continue reading

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I Grieve for Mozilla

I don’t know how many of my readers have been following this, but it’s been a big thing in the tech world this past fortnight: Mozilla appointed Brendan Eich as CEO; three board members stepped down; there was outrage on … Continue reading

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