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Pertinent Observations

This started life at skthewimp.livejournal.com and then moved to WordPress at noenthuda.com. This is the successor state of that

Newsletter · By Karthik S · Official site

Indexed issues, last 90 days
14
Latest publication
Sep 28, 2026
Audience
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Earliest in this view
Aug 11, 2026

Latest issues

  1. Issue · Sep 28, 2026

    Binge shopping and vibe coding (opens the original)

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    I’ve found that whenever I binge shop (be it for books or clothes or whatever) I inevitably end up buying a few things that I regret later. I think it has to do with the euphoria of having found a few good items - that can cloud my judgment on the precise qualities of some of the other things I’m buying, and ultimately end up wasting money. I recently figured that the same can happen with vibe coding as well. A few times in the last few weeks, I’ve done “wholesale bug fixes to systems that I’m m

  2. Issue · Sep 27, 2026

    Maybe I should type right-handed again? (opens the original)

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    I “type left handed”. You might wonder where the handedness comes in typing where you use most of your fingers for it - it is to do with your choice of thumb. In normal touch typing, you only use one thumb (to hit the space bar) and that determines your typing handedness. I’m generally righthanded, so started off touch typing right handed as well, when I learnt to type in the mid-1990s. Everything went swimmingly for a decade, and people marvelled at how quickly I could type. I remember some peo

  3. Issue · Sep 24, 2026

    Durable nicknames (opens the original)

    Excerpt · Neutral tone

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    A few days ago, I was chatting with Pedo and BJ a few minutes they were supposed to go up on stage for a panel discussion in which they were panellists. One of them told the other, “the most important thing about this discussion is for me to remember your real name and use it”. This led to a discussion about nicknames, and I was feeling happy that I have a polite enough nickname(s) that people can call me by them in a panel discussion without anyone feeling embarrassed. My earlier theory on nick

  4. Issue · Sep 17, 2026

    Shaking things up (opens the original)

    Excerpt · Neutral tone

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    In the spirit of the season, “Ganesha happened” to this post, and I’m publishing this about a week after I started drafting it. I suppose there is a lot of literature already in terms of how perturbing a system can lead it to get off a local optimum and towards a greater one. This principle lies at the heart of the simulated annealing algorithm. One well-documented case has to do with London tube routes before and after a multi

  5. Issue · Sep 10, 2026

    I’ve started an AI-drafted blog (opens the original)

    Excerpt · Positive tone

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    There has been enough writing online nowadays about AI-generated text. Even I weighed in on this a few weeks ago: A few months before, I wrote a claude skill to write like me. And then had it generate a blogpost which I posted here. I lost quite a few subscribers that day. Since then, I’ve avoided posting AI-generated text here. However, there is one class of writing where I realised that my “alpha” in terms of writing isn’t that high - this is regarding data-driven piec

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