Hacker News: oblosys

New comment by oblosys in "Show HN: 22 GB of Hacker News in SQLite"

oblosys — Wed, 31 Dec 2025 20:34:55 +0000

Happy to help!

New comment by oblosys in "Show HN: 22 GB of Hacker News in SQLite"

oblosys — Wed, 31 Dec 2025 14:34:32 +0000

I almost got tricked into trying to figure out what was Easter eggy about August 9 2015 :-) There's a clarifying tooltip on the link, but it is mostly obscured by the image's "Archive" title attribute.

New comment by oblosys in "Live Stream from the Namib Desert"

oblosys — Fri, 17 Oct 2025 14:23:31 +0000

I was kind of expecting to hear Toto in the background. https://maxsiedentopf.com/toto-forever/

New comment by oblosys in "OpenAI's new reasoning AI models hallucinate more"

oblosys — Sat, 19 Apr 2025 01:47:38 +0000

When I asked GPT-4.1 to show some references to confirm an answer was as widely accepted as it claimed, it replied with a bunch of unrelated GitHub issues with fake descriptions, and this Stack Overflow link: https://stackoverflow.com/questions/74985713/fastifypluginas.... Turns out this is actually a link to a completely unrelated question https://stackoverflow.com/questions/74985713/plotting-a-3d-v.... It had tricked me by rewriting the title part of the url, which is not used to identify the question.

New comment by oblosys in "Making sense of TypeScript using set theory"

oblosys — Tue, 24 Jan 2023 22:34:04 +0000

With these declarations your fragment is valid in both JavaScript and TypeScript:

    class b {}
    class c {}
    const d = JSON.parse
    const a = Promise.prototype.then.bind(Promise.resolve(1))

    console.log(a(d))
    // TS output: Promise { : "pending" }
    // JS output: false false

TS playground: https://tsplay.dev/mAdeZN

Show HN: React-hook-tracer – A light-weight tracer for React hooks

oblosys — Fri, 04 Nov 2022 13:13:58 +0000

The package allows you to trace hook events for a component by importing hooks from 'react-hook-tracer' instead of 'react', and adding a `useTracer` call to the component. Traced events include state/ref/context updates, effects being run, and components getting rendered. The `useTracer` hook also returns a `TracePanel` component, which shows the current values of props, state & refs in the component's rendering.

Demo playground: https://codesandbox.io/s/github/Oblosys/react-hook-tracer/tr...

Comments URL: https://news.ycombinator.com/item?id=33466087

Points: 2

# Comments: 0

New comment by oblosys in "macOS screenshot tricks to impress your co-workers"

oblosys — Thu, 16 Jun 2022 21:58:22 +0000

It removes the shadow around the window.

New comment by oblosys in "Including “And. And. And. And. And.” in a Google doc causes it to crash"

oblosys — Fri, 06 May 2022 01:01:26 +0000

Just noticed that with this method, the backspace joins the two lines, whereas in the original it reveals the markup, but the newline between the lines remains.

New comment by oblosys in "Including “And. And. And. And. And.” in a Google doc causes it to crash"

oblosys — Thu, 05 May 2022 22:44:27 +0000

Just to clarify, this is not how I created the original document in 2004 :-) There were certainly no paragraph styles involved, and the edit actions had to include an undo, or it wouldn't happen. There was also no style inspector yet.

New comment by oblosys in "Including “And. And. And. And. And.” in a Google doc causes it to crash"

oblosys — Thu, 05 May 2022 22:02:12 +0000

Cool! This was pre-XML Word, and since introducing it became impossible at some point, I always just figured it had been a bug. Probably the bug was only in the creation, as I do remember the sequence of edit actions made no sense. I think it even had to include an undo.

New comment by oblosys in "Including “And. And. And. And. And.” in a Google doc causes it to crash"

oblosys — Thu, 05 May 2022 21:45:00 +0000

Unfortunately, I lost the recipe (18 years is a long time), but I vaguely recall that the first line had markup that got canceled out, and that trying to delete the newline somehow deleted the end tag for that markup instead of the newline. It also happens when pressing delete at the end of the first line.

New comment by oblosys in "Including “And. And. And. And. And.” in a Google doc causes it to crash"

oblosys — Thu, 05 May 2022 21:27:20 +0000

I ran into it while editing an interview text that had colors for people's names. It was surprisingly easy to reproduce, but creating the buggy documents got fixed at some point. The font and styles were altered slightly for dramatic effect.

New comment by oblosys in "Including “And. And. And. And. And.” in a Google doc causes it to crash"

oblosys — Thu, 05 May 2022 21:06:59 +0000

Here's a bug I discovered in MS Word in 2004, which has survived the past 18 years of updates and is even present in the web version: https://1drv.ms/w/s!AgYiBqBjIZZpfkcvO9jnOel9T2o?e=tFA4wp If you join the two lines using a backspace at the start of the second line, the second line turns into gibberish.

New comment by oblosys in "JSFuck (2012)"

oblosys — Sun, 26 Sep 2021 02:09:10 +0000

Hmm, this could actually be useful:

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New comment by oblosys in "How These Things Work – A book about CS from first principles (2016)"

oblosys — Mon, 17 Feb 2020 14:22:45 +0000

For a do-it-yourself version of chapter 1 (about building complex circuits using only nands), I can recommend http://nandgame.com/

New comment by oblosys in "Monoliths Are the Future"

oblosys — Thu, 30 Jan 2020 19:43:27 +0000

The monolith/microservices discussion always reminds me of this 'Sandboxing Cycle' xkcd: https://xkcd.com/2044/

New comment by oblosys in "How does Apple get away with this UI?"

oblosys — Tue, 10 Dec 2019 20:43:32 +0000

For me that didn't work. The red badge on System Preferences disappeared, but it came back the next day. Doing a `defaults delete com.apple.preferences.softwareupdate LatestMajorOSSeenByUserBundleIdentifier` got rid of it permanently.

New comment by oblosys in "Lenia – Biology of Artificial Life"

oblosys — Tue, 25 Dec 2018 00:51:44 +0000

Youtube video showing some of the persistent life forms: https://www.youtube.com/watch?v=iE46jKYcI4Y

New comment by oblosys in "Crop circle reveals ancient ‘henge’ monument buried in Ireland"

oblosys — Sat, 14 Jul 2018 15:25:40 +0000

Looks like this is the location on Google Maps: https://www.google.nl/maps/@53.6885648,-6.4832216,763m/data=...

New comment by oblosys in "React-lifecycle-visualizer v2.0 released"

oblosys — Wed, 20 Jun 2018 17:00:11 +0000

Inspired by StackOverflow questions on React's new lifecycle methods, I created a light-weight package that visualizes which lifecycle methods are called and in what order. It can be installed with `npm -i react-lifecycle-visualizer`, but was mainly designed to run on StackBlitz:

https://stackblitz.com/github/Oblosys/react-lifecycle-visual...

Version 2.0 has a more consistent interface, includes TypeScript typings, and looks a little prettier. Comments and suggestions are welcome!