luismedel

Nice.

The earliest jaw-dropping water effect I saw (and somewhat understood at 14) was the awesome credits scene from the Iguana's Earthquake demo[0].

The code[1] contains the following explanation (ancient DOS chars fixed with chatGPT)

  ; // UpdateTable : performs one integration step on U[CT]
  ; Differential equation is:  u  = a²( u  + u  )
  ;                             tt       xx   yy
  ;
  ; Where a² = tension * gravity / surface_density.
  ;
  ; Approximating second derivatives by central differences:
  ;
  ;  [ u(t+1)-2u(t)+u(t-1) ] / Δt² = a² (u(x+1)+u(x-1)+u(y+1)+u(y-1)-4u) / h²
  ;
  ; (where Δt = time step, h=Δx=Δy = mesh resolution)
  ;
  ; From where u(t+1) may be calculated as:
  ;                   ┌   1   ┐
  ; u(t+1) = a²Δt²/h² │ 1 0 1 │u - u(t-1) + (2-4a²Δt²/h²)u
  ;                   └   1   ┘
  ;
  ; When a²Δt²/h² = ½ last term vanishes, giving:
  ;                   ┌   1   ┐
  ;        u(t+1) = ½ │ 1 0 1 │u - u(t-1)
  ;                   └   1   ┘
  ;
  ; This needs only 4 ADD/SUB and one SAR operation per mesh point!

[0] https://www.pouet.net/prod.php?which=364

[1] https://hornet.org/code/demosrc/demos/hq_water.zip

luismedel

2 か月前議論

Politics, football (soccer) and religion are always very sensitive topics.

Maybe the OP's "not that important" was an unfortunate way to put it.

I think the answers you ask for are in Ordinatio Sacerdotalis[0]

[0] https://www.vatican.va/content/john-paul-ii/en/apost_letters...

luismedel

2 か月前議論

Catholics.

luismedel

3 か月前議論

Exactly. I knew what the link was about and didn't study at ETH Zurich. I (mistakenly?) think Oberon is that kind of "roots knowledge" shared between all of us, like Lisp or Forth. That's why I asked when one should stop clarifying things. Maybe some people need to know what a compiler os, or a VM, or a windowing system, or ...whatever.

What I mean is that having so much info at the toe of our tips, comments like "you should put a link about what this thing is" are needless.

luismedel

3 か月前議論

Honest question. Where does one stop clarifying things?

luismedel

6 か月前議論

I always loved that intro too [0] :-) I implemented the effect in Pascal back then.

FYI, you can download the source code [1].

[0] https://news.ycombinator.com/item?id=31311461 [1] http://ftp.lanet.lv/ftp/mirror/x2ftp/msdos/programming/iguan...

luismedel

6 か月前議論

What if the agents were trained by leaked Microsoft code?

luismedel

8 か月前議論

Perfect answer, fellow cimmerian.

luismedel

8 か月前議論

Honestly, I feel that everything UI related has gone backwards to the stone age.

I wonder how hard would it be to go back to visual designers like we had with Delphi or VB6. There were flexible layout container components which helped a lot when adapting forms to varying screen resolutions.

luismedel

9 か月前議論

All companies I've worked at had (paid) on-call set up. The right to disconnect isn't incompatible with business needs and the law contemplates it. Also, nurses and doctors do it too.

luismedel

9 か月前議論

Another kind of porn?

luismedel

9 か月前議論

I remember not only running commands while debugging. I remember moving the program counter back, until a statement above my breakpoint, making live changes in the code and stepping it again until the breakpoint to see the effects of my changes without needing to restart the program.

luismedel

10 か月前議論

I consider myself a generalist, but, to be honest, I don't remotely think that I "know a lot of everything". In fact, I suffer about the contrary :-)

About the "when do I say 'I know enough'"...well, never. I just follow my curiosity and it's infinite ramifications. I loss/gain interests about very diverse topics in a somewhat short amount of time.

luismedel

10 か月前議論

You're in luck. Your device isn't supported.

luismedel

10 か月前議論

I'd pay (even more) for Apple to have the same backwards compatibility policy as Microsoft has.

luismedel

10 か月前議論

So,

  $ git-down -d bootstrap-dist https://github.com/twbs/bootstrap.git:master dist

is *way* better than

  $ git clone --depth 1 https://github.com/twbs/boostrap.git
  $ cd bootstrap
  $ mv ./dist ~/stuff/boostrap-latest

because: "C'mon, you don't have the time to be doing all that."

And then we wonder how the fuck we end with malware in our systems.

luismedel

11 か月前議論

Kudos to the team.

My first contact with Linux was with Debian 2.1. Exactly with this distro CDs https://archive.org/details/linux-actual-06-2/LinuxActual_01...

To be honest, it was a miserable experience to install it on your main computer without anything else available to look for help in case of problems. It was also hard to really try it due to lack of drivers for current (at that moment) ADSL modems.

But here I am a crapload of years later, still loving it :-)

luismedel

昨年議論

Pandora's box has been opened.

Next step: embed Bellard's JSLinux (https://bellard.org/jslinux/) and have a fullblown OS with development environment, office suite and all inside a PDF.

luismedel

2 年前議論

Same club here. I feel comfortable even with the crappiest terminal out there, as far as it allows me to write commands and read/copy output. Even the terminal in the Inferno OS felt good enough for me, like 20 years ago.

luismedel

4 年前議論

Thank you!

I know the plugin, but it seems to work only for Github hosted repos. I want my notes to be elsewhere.

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