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Tag: technology

  • Photo of Dan, smiling, in front of a row of monitors showing falling green code in the style of The Matrix. Overlaid, in a Matrix font, green text reads 'Dan Has Too Many Monitors'.

    Dan Has Too Many Monitors

    My new employer sent me a laptop and a monitor, which I immediately added to my already pretty-heavily-loaded desk. Wanna see?

    Read more (31 words)

    • Video
    • 9 comments
    • posted 15 July, 2025
  • Screenshot from HistoricalTechTree.com, highlighting how the invention of electromagnetic induction in 1831 led to the development of the dynamo and alternating current, amidst a collection of other 19th-century technological developments and a mess of connecting lines.

    Historical Tech Tree

    ร‰tienne Fortier-Dubois's excellent Historical Tech Tree is fun and informative, and worth an explore.

    Read more (101 words)

    • Repost
    • of this original
    • posted 7 July, 2025
  • Animated GIF showing Sublime Text editor flicking through six different languages, with equivalent code showing in each.

    I Wrote the Same Code Six Times!

    Could I rock an interview tech-test in a programming language I haven't touched in a decade? I wanted to know, so I found a tech-test... then solved it in six different programming languages in a single sitting.

    Read more - about 9 minutes (2125 words)

    • Article
    • 1 comment
    • posted 7 June, 2025
  • I'd like to nominate DB13W3 for Most Cursed Connector. I mean, just look at that thing!

    Full image of Cable with 'male' DB13W3 connector, featuring a D-sub body containing three analogue RGB connectors but with a gap between the second and third into which 10 regular D-sub style pins have been sandwiched in two rows of five).
    Alt

    Cable with 'male' DB13W3 connector, featuring a D-sub body containing three analogue RGB connectors but with a gap between the second and third into which 10 regular D-sub style pins have been sandwiched in two rows of five).

    Bonus: there were at least two different, incompatible, pinout "standards" for this thing, so there was no guarantee that a random monitor with this cable would connect to your workstation, even if it had the right port.

    • Note
    • posted 27 May, 2025
  • Comic showing a conversation between Firefox and Netflix, as represented by their respective logos. Firefox says 'Hey, send me a copy of Dispicable Me 4?'. Netflix replies: 'Promise you'll delete it when you're done watching it?'. Firefox responds: 'Umm... sure!'

    The Difference Between Downloading and Streaming

    Mostly to make use of an animation I made for a different blog post that hasn't materialised, let me take a moment to explain to you the fundamental technical difference between 'streaming' and 'downloading'. Which won't take long... because there isn't one!

    Read more - about 9 minutes (2012 words)

    • Article
    • 3 comments
    • posted 26 May, 2025
  • Code Page 437 table, highlighting the character 'small house' at 0x7F

    Why is there a "small house" in IBM's Code page 437?



    There's a small house ( โŒ‚ ) in the middle of IBM's infamous character set Code Page 437. "Small house"โ€”that's the official IBM name given to the glyph at code position 0x7F, where a control character for "Delete" (DEL) should logically exist. It's cute, but a little strange. I wonder, how did it โ€ฆ

    Read more (139 words)

    • Repost
    • of this original
    • posted 14 April, 2025
  • An arrow points from a WordPress logo to a ClassicPress logo, with the stylised/sliced 'Q' that is the icon of DanQ.me sitting atop the arrow.

    WordPress to ClassicPress

    A few weeks ago I switched this blog to ClassicPress, a fork of WordPress. Here's a deep dive into how (and why) I did it, as well as a look into what my experience so-far has been with this (mostly-)cut-down version of the world's most popular CMS.

    Read more - about 10 minutes (2205 words)

    • Article
    • 5 comments
    • posted 18 February, 2025
  • A researcher wearing purple sterile gloves carefully places a charred rolled scroll onto a white panel alongside a ruler, for x-ray photography purposes.

    Reading more rolled papyri

    In kind-of local news, I see that the folks at Diamond Light Source (which I got to visit last year) have been helping the Bodleian (who I used to work for) to X-ray one of their Herculaneum scrolls (which I've written about before). That's really cool.

    Read more (46 words)

    • Note
    • posted 5 February, 2025
  • Possible future presentation concept: using a cafe/dining metaphor to help explain the proximity principle in user interface design (possibly with a "live waitstaffing" demo?).

    Great idea? Or stupid idea?

    Full image of Photo looking down on a square wooden table in a cafe environment. Far from the photographer, a plate containing a couple of crumbs is pushed far to the other side of the table. Closer to him is a cup of coffee, two folded napkins, and an open MacBook. Arrows and captions draw attention to the relative distances between the components of the scene, labelling them as follows - "I am finished with this plate..." (refering to its relative distance), "...but I'm keeping this napkin" (which is closer to the coffee than the discarded plate), "I'm keeping the napkin while I finish my drink" (the two are close together), and "I'm working" (based on the relative position of the photographer and his laptop).
    Alt

    Photo looking down on a square wooden table in a cafe environment. Far from the photographer, a plate containing a couple of crumbs is pushed far to the other side of the table. Closer to him is a cup of coffee, two folded napkins, and an open MacBook. Arrows and captions draw attention to the relative distances between the components of the scene, labelling them as follows - "I am finished with this plate..." (refering to its relative distance), "...but I'm keeping this napkin" (which is closer to the coffee than the discarded plate), "I'm keeping the napkin while I finish my drink" (the two are close together), and "I'm working" (based on the relative position of the photographer and his laptop).

    • Note
    • posted 1 February, 2025
  • On Wednesday, Vodafone announced that they'd made the first ever satellite video call from a stock mobile phone in an area with no terrestrial signal. They used a mountain in Wales for their experiment.

    It reminded me of an experiment of my own, way back in around 1999, which I probably should have made a bigger deal of. I believe that I was the first person to ever send an email from the top of Yr Wyddfa/Snowdon.

    Nowadays, that's an easy thing to do. You pull your phone out and send it. But back then, I needed to use a Psion 5mx palmtop, communicating over an infared link using a custom driver (if you ever wondered why I know my AT-commands by heart... well, this isn't exactly why, but it's a better story than the truth) to a Nokia 7110 (fortunately it was cloudy enough to not interfere with the 9,600 baud IrDA connection while I positioned the devices atop the trig point), which engaged a GSM 2G connection, over which I was able to send an email to myself, cc:'d to a few friends.

    It's not an exciting story. It's not even much of a claim to fame. But there you have it: I was (probably) the first person to send an email from the summit of Yr Wyddfa. (If you beat me to it, let me know!)

    • Note
    • posted 31 January, 2025
  • Last year, a colleague introduced me to lazygit, a TUI git client with a wealth of value-added features.

    Somehow, though, my favourite feature is the animation you see if you nuke the working tree. ๐Ÿ˜˜ Excellent.

    Animation showing lazygit, a command-line git client. The working tree has one changed file, config/routes.rb. With a couple of keypresses, the working tree is nuked, with a colourful ASCII-art animation illustrating the destruction of the changed file (actually, it being reset to the previous version).

    • Note
    • posted 21 January, 2025
  • Image representing post: What if Emails were Multilingual?

    What if Emails were Multilingual?

    Wouldn't it be nice if there were a standard for multilingual emails? Oh wait, there is! Let's see how it works, and whether it's (ever going to be) ready for mainstream use...

    Read more - about 6 minutes (1366 words)

    • Article
    • posted 28 September, 2024
  • Screengrab of a remotely-delivered conference talk: Juan talks about a complex-looking mathematical formula; a section labelled 'chaotic energy factor' is highlighted.

    Calculating the Ideal "Sex and the City" Polycule

    When Juan Pablo Sarmiento thought to himself "couldn't Sex and the City's love triangles be squared-away by polyamory?" he didn't just sit down and write slashfic. No; he came up with a formula for idealised polycules, and open-sourced the algorithm. That's my kind of nerdity!

    Read more (327 words)

    • Repost
    • of this original
    • 1 comment
    • posted 20 September, 2024
  • Photo of chicken nuggets with "AI" written on each of them.

    AI posts on social media are the chicken nuggets of human interaction

    Ruth shares her thoughts on the current state of generative AI, and I had a surprising amount to say about them. But mostly, I just love her metaphor about AI-generated social media posts!

    Read more - about 5 minutes (1119 words)

    • Repost
    • of this original
    • 2 comments
    • posted 10 September, 2024
  • Clearly-spammy message shown in a ticket management system.

    Roll Your Own Antispam

    The Web contact form of a nonprofit I founded started attracting a huge volume of spam, and conventional tools weren't helping. But a little analysis allowed us to block almost all of it without compromising on accessibility, privacy, or the false-positive rate.

    Read more - about 3 minutes (710 words)

    • Article
    • 2 comments
    • posted 29 August, 2024

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