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00:54:51 <esolangs> [[JSCall]] https://esolangs.org/w/index.php?diff=88465&oldid=88453 * Hakerh400 * (+1082)
02:36:07 <esolangs> [[]] N https://esolangs.org/w/index.php?oldid=88466 * Maikeru51 * (+907) Created page with " is a golfinglang created by [[User:Maikeru51|Maikeru51]]. It uses emojis as commands. =Commands= Commands refer to a buffer value. This will be called '''BuffVar'''. ==..."
02:52:03 <esolangs> [[User:Maikeru51]] M https://esolangs.org/w/index.php?diff=88467&oldid=88421 * Maikeru51 * (+6)
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07:21:43 <nakilon> b_jonas_ what was the IP lookup service you posted here a month ago?
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08:02:13 <nakilon2> damn nginx, I don't understand it
08:04:53 <nakilon2> https://dpaste.org/hNMv/slim curl -vx http://my.domain:80 https://api.myip.com
08:05:07 <nakilon2> it worked on my previous server setup but now it does not
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08:05:26 <nakilon2> looks like nginx tries to work as a proxy and does not pass the request to tinyproxy:8888 at all
08:07:03 <nakilon2> curl does > CONNECT api.myip.com:443 HTTP/1.1 and nginx says < HTTP/1.1 400 Bad Request
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08:11:47 <nakilon2> while inside the network the "curl --dns-servers 127.0.0.11 -vx tinyproxy:8888 http://api.my-ip.io/ip" works fine (get's 301 to https)
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10:04:09 <riv> I wonder how you would compress a sequence of floating point numbers that tend to be close to each other
10:04:42 <riv> I suppose you could have a 'near' vs 'far' bit that lets you use fewer bits to express a delta when that's nearer
10:04:57 <riv> yeah zip is good too
10:05:25 <riv> it would be good if you could seek, so there could be a limit on how many nears you can have in a row, but that's just encoding
10:05:32 <riv> relative vs absolute, instead of near vs far
10:11:00 <nakilon> depends on the distance U guess
10:11:58 <nakilon> if the distance in close pairs is let's say 32 times shorter and you don't want to precision to become higher then you can save 5 bits I guess
10:52:04 <riv> oh i just realized my idea wont be lossless
10:52:09 <riv> since floats aren't translation invariant
11:36:34 <esolangs> [[Senpai]] https://esolangs.org/w/index.php?diff=88468&oldid=88451 * 4gboframram * (+1255)
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13:28:19 <esolangs> [[Language list]] M https://esolangs.org/w/index.php?diff=88469&oldid=88445 * PythonshellDebugwindow * (+19) /* A */ add
13:40:37 <int-e> `learn The password of the month is working in mysterious ways.
13:40:42 <HackEso> Relearned 'password': The password of the month is working in mysterious ways.
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13:48:08 <int-e> . o O ( Shorter version: "The password of the month is blasphemous." )
13:49:15 <esolangs> [[Senpai]] https://esolangs.org/w/index.php?diff=88470&oldid=88468 * 4gboframram * (+4359)
13:50:54 <esolangs> [[Senpai]] https://esolangs.org/w/index.php?diff=88471&oldid=88470 * 4gboframram * (-1107)
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14:13:30 <esolangs> [[Senpai]] https://esolangs.org/w/index.php?diff=88472&oldid=88471 * 4gboframram * (+1436)
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15:55:38 <nakilon> long-long ago I was told there is a way to calculate Pi by experiment
15:56:18 <nakilon> draw a circle, draw diameter D, take a stick of length D/2 and throw it into the circle randomly
15:56:36 <nakilon> and it will cross the Diameter line in 1/Pi cases
15:57:06 <nakilon> I didn't try to check it but I wonder if it's the most simple way to do it
15:57:07 <Corbin> Nice. This is a variant of Buffon's needle, I think: https://en.wikipedia.org/wiki/Buffon%27s_needle_problem
15:58:50 <Corbin> Another technique is to put a circle into a square so that all four sides of the square touch the circle. Then randomly fill the square with points, and pi/4 of them will land in the circle.
15:59:26 <nakilon> I guess the Buffon needle method accuracy is limited by the number of lines
16:01:13 <nakilon> Buffon's one is better though in the way that it does not need us to be able to draw a circle
16:05:00 <fizzie> Matt Parker, the Standup Mathematician, usually uploads every pi day (March 14) a different way of empirically approximating pi. Usually something very impractical.
16:05:16 <fizzie> https://www.youtube.com/playlist?list=PLhtC92GarkjyYbxI3-4qzIWIRbZaw4wuP
16:05:39 <fizzie> Weighing a circle was a pretty clever one, I thought.
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16:11:07 <b_jonas> nakilon: yes, but that method and its kin converges exponentially slowly, so it's a very inefficient way to compute pi. I can give you other simple methods that converge much faster.
16:16:05 <b_jonas> although now I wonder exactly how slowly other bad methods converge, including (6 \sum_{1\le k} 1/k^2), (90 \sum_{1\le k} 1/k^4), and https://en.wikipedia.org/wiki/Wallis_product
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16:22:12 <riv> wallis product
16:23:21 <b_jonas> eval $sqrt3 = 1; $sqrt3 = ($sqrt3 + 3 / $sqrt3) / 2 for 0..5; $x = 2 - $sqrt3; $prod = 12; $pi = 0; for $k (1..27) { $prod *= $x; $pi += (0,1,0,-1)[$k%4] * $prod / $k; } $pi # compute pi by evaluating the Taylor series of (12 * atan(x)) around 0 at x = 2 - sqrt(3) = tan(pi/12)
16:23:25 <b_jonas> perlbot eval $sqrt3 = 1; $sqrt3 = ($sqrt3 + 3 / $sqrt3) / 2 for 0..5; $x = 2 - $sqrt3; $prod = 12; $pi = 0; for $k (1..27) { $prod *= $x; $pi += (0,1,0,-1)[$k%4] * $prod / $k; } $pi # compute pi by evaluating the Taylor series of (12 * atan(x)) around 0 at x = 2 - sqrt(3) = tan(pi/12)
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16:24:18 <b_jonas> ^ here's one that converges at a decent speed. it's not the fastest method that you'd put in a library if you want to compute a lot of trigonometry, but it's quick to describe as a one-liner and easy to understand and gives you a linear number of digits instead of an exponential one.
16:24:46 <b_jonas> if you want fast methods, you'd look in bignum libraries of course
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16:35:41 <velik> output: 3.1415929203539825 , exit code: 0
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19:15:47 <esolangs> [[Special:Log/newusers]] create * Binary * New user account
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19:23:19 <esolangs> [[Esolang:Introduce yourself]] https://esolangs.org/w/index.php?diff=88473&oldid=88454 * Binary * (+128) /* Introductions */
19:24:08 <esolangs> [[Terrible]] N https://esolangs.org/w/index.php?oldid=88474 * Binary * (+80) Created page with "'''Terrible''' is a word in English Language, that describes something very bad."
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20:37:05 <b_jonas> argh, spare phone won't turn on. I can't tell if it's just battery flat or something worse. I have to do the stupid loop { connect good charger, try to turn on, keep charging for an hour, disconnect charger, wait 30 seconds, } procedure
20:37:30 <b_jonas> oh good, now it says it's charging
20:37:44 <b_jonas> so it is probably flat battery
20:43:05 <fizzie> I have a Nexus 5X that just stopped working in the past, I've been wondering if I should fiddle together a serial port cables for it just in case it would help any. IIRC, it did *something* over USB too, but not the normal Android bootloader things, something more manufacturer-specific.
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21:07:43 <b_jonas> this one did start now, so the battery was just flat because this is a spare phone so I rarely bother to charge it
21:07:56 <b_jonas> especially because I didn't travel during the pandemic
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23:20:43 <ais523> is there a standard name for the concept that's equivalent to one variant of a Rust enum, i.e. a tag specifying which of several various possible types something has, together with a list of arguments?
23:21:44 <ais523> not sure I mean "type" here, it's semantically useful to have multiple different tags for the same argument list
23:22:25 <ais523> this seems like a concept that comes up in a lot of contexts and is generally useful, and I'm confused that I don't know what it's called
23:23:28 <esolangs> [[AutomataFuck]] https://esolangs.org/w/index.php?diff=88475&oldid=88464 * GoodCoderBBoy * (+89) added code order
23:24:59 <esolangs> [[AutomataFuck]] https://esolangs.org/w/index.php?diff=88476&oldid=88475 * GoodCoderBBoy * (+16) added wiki creator clarification
23:26:05 <Corbin> I've seen "case", "claw" (as in having multiple "claws" in a switch), "variant", and "discriminant".
23:26:51 <Corbin> TIL that CORBA calls them https://en.wikipedia.org/wiki/Discriminator
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23:43:14 <imode> I have been stuck.
23:43:21 <imode> on this simple `dup`.
23:44:56 <oerjan> are you saying you've been duped
23:46:26 <imode> https://hastebin.com/wesarudapo.py
23:46:59 <imode> line 207. _dup_num. it should 100% be able to shorten that.
23:47:34 <imode> 362 commands. for that.
23:47:46 <imode> all it does is duplicate a unary number.
23:58:27 <b_jonas> ais523: I think that's called "constructor", at least in Haskell