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Posts concerning tech

The Future of Tabletop Games? D&D on the Microsoft Surface

18:15 26 Feb 2010

Microsoft Surface is an advanced touchscreen display built into a table, backed by a fairly advanced suite of software for gesture recognition. I hadn’t seen many compelling uses for this technology… until SurfaceScapes, a group at the Carnegie-Mellon Entertainment Technology Center, released demos of Surfaces customized to hangle playing miniature-based D&D on them.
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Some Vim Script Implementation, Testing, and Hackery

23:50 16 Feb 2010. Updated: 00:57 17 Feb 2010

As a result of my porting over jEdit (Jython) macros to Vim, I now have a fair amount of (Python) Vim scripts, and have learned some things about how to set up those scripts. I’ll go through some of that below, and hopefully other people writing Python scripts for Vim will find it useful.
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First Post With Vim

20:05 14 Feb 2010

Over the last couple of weeks I’ve been hacking away on scripts to customize Vim, replicating the scripts I made for jEdit. I’m more or less done, and this blog post is being written in MacVim. This hopefully means that when I’m done with it I’ll be able to publish it from within Vim, the same as with jEdit.
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Better Word Count in Vim

23:40 17 Jan 2010

I’m currently trying out Vim (again), and have made more progress this time, mainly due to Seth’s help. The key things that have made it better:

  • :set hidden. Absolutely critical, this. Stops Vim from complaining when you try to switch buffers and your current buffer has unsaved changes.
  • bufexplorer. Makes switching buffers a lot easier.
  • A better Python syntax file. I didn’t like the defaults.
  • My own indentation and syntax files for reStructuredText.

Really, though, the key first one was :set hidden. Before that I felt that I had completely misunderstood Vim’s file management model.
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WordPress 2.9 Upgrade

15:56 10 Jan 2010

I upgraded this blog to WordPress 2.9 today, and it appeared to go entirely smoothly. Please let me know if you notice any breakage.

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The Perfect is the Enemy of the Good: Duke Nukem Forever

04:08 22 Dec 2009

Duke Nukem Forever is the vaporware king of games, a game that was promised for so long that its release was a punchline even in the late 1990s. At one point it and Daikatana were frequently compared to each other; Daikatana was also extremely late and ultimately a failure—but it came out in 2000.

Wired has a long look at what happened, and it seems fair to conclude that one of the problems was a lack of limits.
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Gizmodo on Space Battle Physics

08:06 20 Dec 2009

This article is an excellent overview of how near-future space combat might actually work, and also points out plenty of things that depictions of far-future space combat have gotten very wrong.
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HTML Past and Future

16:04 10 Nov 2009

Mark Pilgrim, author of the excellent Dive Into Python, is working on Dive Into HTML5, and his draft chapter on HTML5 semantics is an excellent introduction to the advantages of the new HTML standard. It’s unfortunately quite far from becoming a real standard, but as a web developer, I’d like to see it happen as soon as possible.

I came across a contrasting Mark Pilgrim article that’s also worth reading: “Why do we have an IMG element?”, which goes over the history of that element in HTML, the objections raised at the time, and how it won out over alternatives.

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Plug Fun

23:28 30 Oct 2009. Updated: 00:31 31 Oct 2009

Figuring out what plug (or adapter) to use in a given country is almost like a game; in any case, I found this Gizmodo article well worth the read: “Giz Explains: Why Every Country Has a Different F#$%ing Plug”.

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Energy Consumption, Data Centers, and Heat

15:03 15 Oct 2009

The Kardashev Scale is used to measure a civilization’s technology level, using the measure of its energy consumption—or, more accurately, the amount of energy the civilization can harness. In light of the ongoing computing/networking revolution, I’m curious about what percentage of our energy use is by data centers.
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RTF/Word–reStructuredText Toolchain

12:05 24 Sep 2009. Updated: 14:19 06 Oct 2009

It took me a while to get there, but I now have a working toolchain to automate going from an RTF file (or a Word document) to reStructuredText. The final link took the longest to find, and turned out to have been right there all along (no, I’m not going to turn this into a retelling of The Alchemist). But if you’re interested in how to get from Word to a sane format (like reStructuredText), this post will interest you.
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Pool-Playing Robot: Deep Green

13:27 17 Sep 2009

The Robotics and Computer Vision Lab at Queen’s University Ontario has produced a working robotic system that can play pool. Called Deep Green, it appears to have an excellent understanding of geometry, although it’s not clear that it understands the rules of the game per se, or that it can do its own shot selection.
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Python Script for Subversion Status

23:48 02 Aug 2009. Updated: 11:33 06 Apr 2010

I find in my use of Subversion that I often want to see a side-by-side list of files that aren’t under version control and files that have some other status. I also want these lists to be sorted alphabetically. Naturally, I ended up writing a Python script for this.
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Better reST–WordPress Pipeline

23:15 28 Jul 2009

Last week I posted about my setup for going from reStructuredText to WordPress. It involved a shell script, some Python scripts, and the pbpaste and pbcopy commands. It worked, but it was a little on the convoluted side.

Now I have a slightly better process, and one that I will have used to publish this post.
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Better Word Count in jEdit

22:33 19 Jul 2009

I tend to care about word count in my writing. I’ve never been paid by the word, but nevertheless, it matters to me. From time to time I write fiction where I set the word count in advance, and then I try to hit it precisely. Even when that’s not the case, I just like to know how many words there are in a piece I’m writing. For this reason, a "word count" function is completely critical to me for whatever word processor or text editor I’m using to write.

jEdit has such a feature. It’s more or less the same as the one that I’ve been using in AbiWord, and in various word processors before that. But for quite some time I’ve wanted a better word counter. Since jEdit is now my application for all writing and I can script for it in Python, it was time to make the word counter I wanted.
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jEdit Macros in Python

16:57 17 Jul 2009. Updated: 17:52 18 Jul 2009

jEdit has long been my text editor of choice, and I’m using it more than ever now that I’m writing more or less everything in it. I’ve been waiting a while for 4.3 to come out, but overall I remain quite happy with it. I do occasionally wonder about switching to vim or Emacs, but jEdit’s generally been able to do whatever I wanted it to.

I haven’t done much scripting with it, though. I recently came up with some use cases for scripts—involving reStructuredText, naturally—but I was a little reluctant to do the scripting because it involves Java and I really want to keep my current focus on Python and JavaScript.

I was therefore rather happy to discover the existence of the JythonInterpreter plugin, which makes it possible to write macros for jEdit in Python.
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Some Character Encoding Gotchas

10:31 16 Jul 2009

While scripting my reStructuredText to WordPress workflow, I ran into a bunch of character encoding problems.
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Blog Workflow with reStructuredText

22:57 14 Jul 2009. Updated: 23:13 28 Jul 2009

I wrote about moving my writing over to reStructuredText on Sunday, and since then I’ve moved both my morning pages and my blog writing to it. The latter proved more complicated, primarily because I wanted to make the process almost as easy as writing pseudo-HTML (which is more or less WordPress’ native format, and kind of mine, too, for the last several years). With some hacky wrangling, I’ve managed to set that up.
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Moving From Word Processors to reStructuredText

23:54 12 Jul 2009. Updated: 17:17 28 Dec 2009

I’ve written before about my wish for semantic word processing tools, and two years on I still haven’t found something that suits me. I think that WYMeditor has definite promise, but unfortunately the authors are aiming that at browser-to-server functionality, rather than in-browser standalone functionality. This isn’t such a major obstacle for me, but it is one of the reasons why I’m hesitant to move over to using a project that hasn’t reached version 0.5 yet.
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WordPress 2.8 Upgrade

17:44 14 Jun 2009

Today I upgraded this blog to WordPress 2.8, a relatively smooth process. I ran into completely unrelated problems (hitting the process limit for my shell account) that derailed things for a while, but the WordPress upgrade itself was smooth.

I use Subversion to upgrade, first using
svn export --force http://core.svn.wordpress.org/tags/2.8/ .
in my development environment, seeing if things look okay there, then checking in the 2.8 changes to my own repository (the only niggly part because I neglected to clean the dev environment of changes before the export, so I had to look through things to see what was part of the upgrade), backing up my live database, and then checking the changes out to the live environment. It all looks fine, and hopefully will continue to function normally.

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Pylons Via Apache Port Issues

16:42 12 Jun 2009

I’ve been using Pylons (and, more recently, the Pylons-based TurboGears 2.0) for various projects for a while, and a few weeks ago ran into an annoying and specific problem: using Pylons via Apache made Pylons occasionally think it was running on a different port.

There’s a relatively easy answer to this, but until I was reading through TurboGears documentation, I didn’t find it.
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PyWebSF: Meetup for SF-Area Python Web Developers

22:07 09 Jun 2009. Updated: 19:42 11 Jun 2009

My brother is organizing what will hopefully become a regular web-centric Python meeting. The first meeting is planned for 18:00 Tue 23 Jun 2009 at the SF Public Library. I think a couple of speakers are lined up already, although I don’t have details on the talks. I’ll be there, and if you’re a Python developer with web interests, or a web developer into or curious about Python, you should attend too!

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My Take on Twitter

15:45 08 May 2009

I’ve been using Twitter for about three months now. I was fairly skeptical about it, but decided to try it out, and while I don’t think it’s now a completely essential tool, I do find it useful.
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