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[sticky post] Hello!

Oct. 29th, 2009 | 03:00 pm

Welcome back my friends
To the show that never ends!
We're so glad you could attend
Come inside, come inside!

— Emerson, Lake & Palmer, Karn Evil 9 (1st Impression, Part II)

Hi there!

If you're reading this, you're probably just looking at my journal, perhaps even thinking about adding me as an LJ-friend; or alternatively, perhaps I just added you as an LJ-friend, and you're curious about me now. In either case, I'd like to use this opportunity to say a few things.

Trevor: You're skating the edge.
Æon: I
am the edge.

— Æon Flux

First of all, I tend to write freely about topics everything that matters to me; more distanced, "professional" entries may directly be followed by more personal ones (and vice versa), and I will, generally, openly write about all sorts of things, including philosophy, sexuality, politics and more. Some of my entries will be friends-only, others will be publicly viewable, too, and unlike other people, I don't use <lj-cut /> tags or specific "topic filters" (i.e., custom friends groups dedicated to specific topics) to shield people from things they may not want to see.

Well, as long as it's text, that is; I will cut images that aren't safe for work etc. (at least if I remember, which I might not always do!), since I wouldn't want for people to get in trouble if their boss happens to be shoulder-surfing at work. Text, though, is a different issue, and if you'll get into trouble for reading about certain topics at work, you probably shouldn't be checking your friends page at work to begin with.

He said, "I am told that when men hear its voice, it stays in their ears, they cannot be rid of it. It has many different voices: some happy, but others sad. It roars like a baboon, murmurs like a child, drums like the blazing arms of one thousand drummers, rustles like water in a glass, sings like a lover and laments like a priest."

— Mike Oldfield, Amarok (liner notes)

Second of all, concerning friending me: feel free to. There is no need to ask if it's OK to do so; everyone's welcome to, as well as to post comments etc. (as long as they're genuine: spammers etc. will not be tolerated, but that goes without saying, anyway). I may add you back if your journal looks interesting or if I know you, too, but this isn't automatic. If you do want me to add you back, engaging me and talking to me is probably the best way to go about it.

Please don't ask about being added back if I didn't do so on my own, either, unless I already know you well and you want to be able to read my non-public entries.

If I already friended you but you don't know who I am and haven't been in contact with me before, that most likely means I became aware of your journal somehow, took a look, and decided I wanted to keep up with what you're writing — "I find your ideas intriguing and wish to subscribe to your newsletter", as it were. I don't expect you to friend me back or otherwise take an interest in me, but if you do — all the better.

If what it is to be furry you still don't comprehend
Then consider this advice, my curious friend
If you're willing to respect that which you don't understand
Then come take my paw and I'll take your hand.

— from "Furry", by Croc O'Dile of TigerMUCK with help from Tony DeMatio, June 1995

Regarding commenting, BTW, I'm always happy to receive comments. However, things like "lol" are not proper punctuation, and correct spelling and grammar would be nice as well. And of course, I expect people to not be insulting or rude, but that, again, should go without saying.

That's about all I can think of for now. If you have any questions, feel free to ask.

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Cases, cases

Jul. 13th, 2019 | 07:43 pm

Just like German, Icelandic has four cases (nominative, accusative, dative, and genitive), and just like in German, verbs can take objects in more than one case.[1] What's neat, though, is that (unlike in German) pretty much all combinations of cases are possible. Here are some examples:[2]

First object
(none)accusativedativegenitive
Second object(none)Það rignir.
(It rains.)
Ég keypti súkkulaði.
(I bought chocolate.)
Ég gleymdi buxunum mínum.
(I forgot my pants.)
Ég sakna hennar.
(I miss her.)
accusativeÞetta kostaði mig þúsund krónur.
(That cost me a thousand crowns.)
Hann gaf mér bókina.
(He gave me the book.)
Ég bið þig þess.
(I'm asking this of you.)
dativeLofaðu mér því.
(Promise me that.)
Hann óskaði mér alls góðs.
(He wished me all the best.)
genitive???

The only thing I haven't been able to find is a verb taking two distinct genitive objects at the same time.

There's no point to this, I just thought it was neat. :P

  1. English, of course, has only some remnants of its case system, notably in the inflection of personal pronouns; but verbs taking more than one object do occur in English as well, to wit:

    He gave me the book.

    Due to the lack of case markers the word order is less flexible, though. In German and Icelandic, for that matter), you could say both

    Er gab mir das Buch. / Hann gaf mér bókina.

    and

    Er gab das Buch mir [und nicht dir]. / Hann gaf bókina mér [en ekki þér].

    In the latter, the emphasis would be on "mir" and "mér", underlining the fact that it is in fact "me" who's given the book. In English you'd have to resort to a proposition to express the same thing:

    He gave the book to me [and not to you].

  2. BTW, if anyone's got a suggestion on how to make HTML tables look reasonably good without resorting to complicated stylesheetery that's entirely unworkable for simple LJ posts with some inline HTML, I'd love to hear it. Say what you want about the HTML of 25 years ago, but at least it works.

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Lessons (not) learned

Jul. 6th, 2019 | 01:49 pm

An interesting tidbit from the TeXhax mailing list …

Context: an inquiry about TeX packages for writing chemistry papers that would work with plain TeX, without requiring LaTeX; a pointer to https://ctan.org/topic/chemistry was provided, with the note that unfortunately this didn't allow filtering LaTeX-only packages. Another user then suggested ,,using the source`` (of the HTML page, that is), to wit:

$ wget -O - https://ctan.org/topic/chemistry 2>/dev/null | tidy -n -i -asxml 2>/dev/null - | lxprintf -e 'a[contains(@href,"/pkg/")]' "https://ctan.org%s\n" @href - | while read uri; do wget -O - $uri 2>/dev/null | tidy -n -i -asxml 2>/dev/null - | lxprintf -e 'td[.="Sources"]' "%s\n" 'following-sibling::td/a/code' -; done | grep -v latex

/biblio/bibtex/contrib/chembst
/macros/generic/chemfig
/biblio/bibtex/contrib/chem-journal
/obsolete/indexing/corridx
/biblio/bibtex/contrib/chem-journal/jcc.bst
/support/konwerter
/graphics/mcf2graph
/graphics/mol2chemfig
/support/ochem
/macros/context/current/cont-ppc.zip
/graphics/pstricks/contrib/pst-labo
/graphics/pgf/contrib/tikzorbital
/info/translations/chemsym/de
$

And another user then replied, writing:

Sometimes I just want to weep. There can be no doubt, based even on just the evidence above, that the Unix operating system is a very powerful tool, and the simple fact that one can identify all packages that do not have the string "LaTeX" (presumably case-insensitive) in their CTAN path is a clear demonstration of that fact. And yet the entire thing is gibberish. It could be Mayan, for all I know. I could stare at it for the rest of my life and still not have the slightest idea how it works. Why oh why oh why does someone not come up with a command-line interpreter (or as I fear you would call it, "a shell") that uses English verbs as its commands and Enqlish nouns/adjective/adverbs/etc as its qualifiers ? How on earth is anyone expected to know what "-i -o" implies, especially as what it implies is almost certainly a function of the command to which it is applied ? And why can one not apply 2>/dev/null distributively, such that it applies to all commands in the sequence rather than having to be spelled out in full for each.

Algol-68 showed the world how programming languages should look, feel and behave; VAX/VMS did the same for operating systems. But the world was too stupid to see their strengths, and abandoned them in favour of C and Unix. As I wrote before, I weep.

I'm inclined to agree re: the ,,gibberish`` part – not necessarily that you couldn't learn it if you stared at it for the rest of your life –, but what I found most intriguing were the remarks re: Algol-68 and VMS. Not having used either, I'm curious how they did better than C and Unix, and what lessons we could have learned, but chose not to.

Disclaimer: I like Unix, and I think the problem here isn't just with obscure syntax but also the simple fact you need to extract links from an HTML document, rather than parse a plaintext file. I'm no friend of C, though, which I think is a bit dishonest — it masquerades as a high-level language, even though it's anything but. (And (modern) C compilers are actively looking for ways to stab you in the back at every opportunity, though that's the fault of those compilers' designers and programmers more than the language proper.)

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Disabling the blurry login screen background in Windows 10 1903+

Jun. 28th, 2019 | 06:20 pm

The title says it all, and it's simple, if you know how — it's not in your regular settings:

  1. open the Group Policy Editor (use Search to search for "group policy" or so, or run gpedit.msc);
  2. go to Computer Configuration > Administrative Templates > System > Logon;
  3. select Show clear logon background; and
  4. set this to Enabled.

Oh yeah, and

  1. reboot,

because even in 2019 Windows is not able to change simple system settings (we're not exactly talking deep kernel internals here, folks) without a reboot. :P

After that, it should work. (But don't ask me why this setting doesn't have a, well, setting, in Settings. Also, don't ask me who at Microsoft decided that this looked good in the first place)

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R.I.P., Dr John

Jun. 7th, 2019 | 07:09 am

Dr. John, the famous New Orleans blues musician, the night tripper, le grand zombie, has died. I'm honestly not sure what to write here that would do him justice.

Not that I'm too terribly familiar with his œuvre. I only have one of his albums, Gris-gris; he's one of those musicians you feel you should listen to more, but then you never get the opportunity to do so.

You may also know him from the movie Blues Brothers 2000, BTW, in which he sang Season of the Witch.

My thoughts are with his loved ones, his family and his friends.

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Santa Claus

Apr. 7th, 2019 | 10:35 am

Consider the following sentence (not created by me; I merely found it in my notes again yesterday, having picked it up years ago from goodness knows where):

If this sentence is true, then Santa Claus exists.

At first glance this does not seem to tell us much. But let's see what knowledge we can glean from it.

Suppose, just for the sake of the argument, that the sentence is true. Then it is true that, if the sentence is true, Santa Claus exists. But the sentence is true, by assumption, so Santa Claus really does exist.

Let's step back for a moment and consider what we have shown: starting from the assumption that the sentence is true, we have concluded that, under that assumption, Santa Claus exists.

But that is exactly what the sentence says! So we have shown that the sentence is in fact unconditionally true. So it is unconditionally true that, if the sentence is true, Santa Claus exists. But the sentence is true, as we've just shown, so Santa Claus really does exist.

Voilà!

Can you find the flaw in this argument?Collapse )

Shame though. I was just about to state that "if this sentence is true, I'm a millionaire". :P

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Icelandic TeX

Apr. 6th, 2019 | 01:07 pm

While idly browsing through older TUGboat issues (pdfgrep sure is useful!), I came across an interesting article in TUGboat 26 (1989) — Lexicography with TeX, by Jörgen L. Pind. The author is (was?) affiliated with the Institute of Lexicography at the University of Iceland, and describes how TeX was employed to typeset an Icelandic etymological dictionary.

Funny that — I have the same dictionary (the 2008 edition) on my shelf right now, just an arm's reach away. I never knew TeX was used to produce it, though — isn't that neat?

The article also mentions that it's not the first Icelandic published book produced using TeX; that honor goes to Bókin um Macintosh, written by the same author and published in 1987. I doubt that this one has aged as well as the orðsifjabók (a 1987 book on Apple computers is going to be of limited interest at best today), but it's a fascinating bit of history.

EDIT: for another interesting article on TeX being used for Icelandic works, see TUGboat 54 (1997), specifically A Medieval Icelandic manuscript: The making of a diplomatic edition by Andrea de Leeuw van Weenen.

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Concepts for which there is no word though there should

Mar. 8th, 2019 | 09:11 pm

Usually when I post about words that don't exist but should, I'm talking about specific newly-minted words ("shameless wordcoinery", as it were). This time it's about words that really don't exist at all, i.e. concepts for which there is no word — and for which I don't have one either.

There's two:

  • the moment when you wake up from a pleasant dream, just barely enough to realize it was a dream and when you try to go back to sleep to continue said dream even though you realize that you've woken up enough for this not to be possible, and the feeling of regret accompanying sad moment;
  • the wistfulness and sadness that builds up throughout the day as you slowly remember less and less of said pleasant dream, first losing how it felt, then what it looked like, and finally what even happened in it, all the while being consciously aware that it is running through your fingers like sand.

Are there words for these? I don't know any, but there should be.

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Somewhere in Nevada

Jan. 12th, 2019 | 11:00 am

It's been a while, but Madness Combat 11: Expurgation is finally ready. Watch it here on Newgrounds, or here on Youtube.

If you're not familiar with the Madness series, you may want to watch the other installments before this one, just so you'll have some idea of what's going on. (The earlier ones are sillier, and the art style's more primitive, but they're still very enjoyable.) The recommended order of watching them is, unsurprisingly, 1, 2, 3, 4, 5, 5.5, 6, 6.5, 7, 7.5, 8, 9, 10 and 11. (There's other side animations that aren't essential to the ongoing story.)

If you want to learn more about Madness in general, there's a wiki, and Newgrounds has collection.

If you don't like ultra-violent cartoon killings, this is NOT for you.

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Music

Jan. 3rd, 2019 | 01:06 am

Youtube embeds are still a pain, but here's a pretty cool melodic death/black metal song Belzebubs — Blackened Call. If you like the sound of, say, Finntroll, check this out. (And the video is a pretty amusing jab at how serious (too) many bands in that particular subgenre take themselves.)

Also, here's Hayseed Dixie — Don't Stop Believin', a cover of the well-known Journey song. And as the video's description says: "Coming soon to a bathroom near you! It's Hayseed Dixie's John Wheeler aka Barley Scotch getting clean as a whistle with his favo(u)rite My Little Pony pals." Indeed, it does have ponies! AJ's missing, but the rest of the Mane Six all seem to be there.

(And if you want to see more footage of Barley Scotch getting soapy, look no further than Haysee Dixie — Livin' on a Prayer, that of course being a Bon Jovi cover.)

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