←2021-01-17 2021-01-18 2021-01-19→ ↑2021 ↑all
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00:06:55 <Laclale> Hello, I found unlisted EsoLang from MIT Mystery Hunt!
00:07:36 <Laclale> http://web.mit.edu/puzzle/www/2014/puzzle-solution/callooh_callay_world/
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00:42:37 <esowiki> [[Blub]] M https://esolangs.org/w/index.php?diff=80060&oldid=80056 * PythonshellDebugwindow * (+132) /* External resources */ cats
00:45:39 <esowiki> [[User:Zero player rodent]] N https://esolangs.org/w/index.php?oldid=80061 * Zero player rodent * (+163) Created page with "Hello, I am '''Zero player rodent'''. I like esoteric programming languages. [https://siddikinz-zone.neocities.org/programming.html Here are some of my programs.]"
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01:22:58 <b_jonas> Laclale: great. edit information about it to the wiki.
01:41:28 <noomy> working with my Parallax Propeller 2 is so far proving fun. but the unofficial LLVM port someone made is in a... questionable state
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04:10:36 <zzo38> I should add the possibility that a picture can be defined as a copy of another picture, but optionally rotated/flipped and optionally replacing some colours with others. However, mainly my difficulty is, what is it called?
04:11:27 <zzo38> Do you know?
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04:42:17 <esowiki> [[Special:Log/newusers]] create * Pen Island * New user account
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05:20:25 <int-e> Is there an optimized shell tool doing sort -n | tail -n <NNN>?
05:20:49 <int-e> (without sorting the whole input. just curious, I have no urgent need for this.)
05:21:36 <zzo38> I don't know of any.
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12:26:29 <nakilon> how do you imagine getting the tail without sorting the whole input?
12:27:38 <nakilon> same about head
12:29:08 <nakilon> ah, you probably mean to get the Nth maximal value first somehow
12:36:56 <fizzie> It's called partial sorting, and you can definitely do it in O(n + k log k), which can easily be an improvement in practice over O(n log n) for small enough k.
12:38:31 <fizzie> Or something along those lines, anyway, exact complexity left as an exercise for the reader, the point was just that only requiring the first k items does make sorting less expensive.
12:41:20 <int-e> fizzie: Sure, but the question was whether there's a tool that does it.
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12:41:59 <fizzie> Yeah, I don't know of one. It does come up with a lot, I guess it's just that usually in a context where it's not infeasible to do the full sort.
12:42:57 <int-e> And I was looking for O(n log k) but O(k) memory. (Or can you do O(n + k log k) in that case as well? I should figure that out.)
12:43:26 <int-e> And yeah, my file was certainly small enough to sort completely.
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12:45:25 <int-e> (O(k) memory in a streaming scenario, as part of a pipe)
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13:13:32 <fizzie> Right, it's definitely not obvious whether you can do O(n + k log k) time with O(k) memory in a streaming setup. I was thinking of the partial quicksort there, if it wasn't guessable, but that would presumably involve O(n) memory. The k-sized heap's O(n log k) with O(k) memory, I guess.
13:15:25 <fizzie> I feel like I do `... | sort | uniq -c | sort -nr | head -n 10` a lot too.
13:16:15 <int-e> You can also sort chunks of length k and merge and discard the bottom half... which might beat the heap if you already have super-optimized sorting routine.
13:17:03 <int-e> yeah I do that sort (hah) of stuff a lot as well
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13:18:27 <int-e> Though if you involve sort | uniq -c it's unclear how much you gain by reducing memory usage of the rest of the pipe. It couldn't hurt, of course.
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13:57:53 <esowiki> [[Ases]] M https://esolangs.org/w/index.php?diff=80062&oldid=68910 * PythonshellDebugwindow * (+84) Cats, comp. class
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14:16:33 <rain1> I feel like I never heard of partial sorting before! that's interesting
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15:33:58 <Taneb> Do you think we can make "natural domain" a thing for integral domains but without additive inverses
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15:35:15 <Taneb> (so ring : integral domain :: semiring/rig : natural domain)
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16:05:02 <b_jonas> "<int-e> Is there an optimized shell tool doing sort -n | tail -n <NNN>?" => I wrote one of that once, but it was more than 10 years ago so the coding style is terrible. I'd rather write a new one than use it. And it looks like there's no doc of what format it wants either. https://www.perlmonks.com/?node_id=333850 and https://www.perlmonks.com/?node_id=515032
16:08:08 <b_jonas> Sometimes I just do an optimization like (du -a pathname | grep -E "^[0-9]{7}" | sort -n)
16:09:07 <b_jonas> rain1: if you want to read about it, read in either Knuth's TAOCP volume 3, or the Cormen–Leiserson–Rivest–Stein Algorithms book.
16:09:54 <b_jonas> this applies both for partial sorting, and for the here more relevant algorithms to get the top items of a long external list in one pass with limited memory
16:10:48 <b_jonas> "<int-e> Though if you involve sort | uniq -c it's unclear how much you gain by reducing memory usage of the rest of the pipe." => yeah, I usually do this on du, including on some directories with lots of descendants
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17:40:58 <esowiki> [[Esolang:Introduce yourself]] M https://esolangs.org/w/index.php?diff=80063&oldid=80059 * Pen Island * (+207) /* Introductions */
17:42:53 <esowiki> [[User:Pen Island]] N https://esolangs.org/w/index.php?oldid=80064 * Pen Island * (+2) i say hi and thats it
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18:55:18 <esowiki> [[Loadstring]] N https://esolangs.org/w/index.php?oldid=80065 * Pen Island * (+4464) I talk about this atrocity i've made, the documentation, and a few examples on how to code in it (Implemented)!
18:57:06 <esowiki> [[Loadstring]] M https://esolangs.org/w/index.php?diff=80066&oldid=80065 * Pen Island * (+24)
18:58:34 <esowiki> [[Loadstring]] M https://esolangs.org/w/index.php?diff=80067&oldid=80066 * Pen Island * (+23)
18:59:50 <esowiki> [[Loadstring]] M https://esolangs.org/w/index.php?diff=80068&oldid=80067 * Pen Island * (+6) correction time
19:04:19 <esowiki> [[Loadstring]] M https://esolangs.org/w/index.php?diff=80069&oldid=80068 * Pen Island * (+28) added category
19:05:05 <esowiki> [[Loadstring]] M https://esolangs.org/w/index.php?diff=80070&oldid=80069 * Pen Island * (+0) oops
19:14:05 <esowiki> [[Language list]] M https://esolangs.org/w/index.php?diff=80071&oldid=80053 * Pen Island * (+17)
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19:16:10 <esowiki> [[Loadstring]] M https://esolangs.org/w/index.php?diff=80072&oldid=80070 * Pen Island * (+24) added implemented
19:19:28 <esowiki> [[Loadstring]] M https://esolangs.org/w/index.php?diff=80073&oldid=80072 * Pen Island * (+49) /* Interpreter */
19:24:25 <esowiki> [[Loadstring]] M https://esolangs.org/w/index.php?diff=80074&oldid=80073 * PythonshellDebugwindow * (+0) /* Indexes */ Correct sentence (to my understanding)
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20:47:17 <esowiki> [[Loadstring]] M https://esolangs.org/w/index.php?diff=80075&oldid=80074 * PythonshellDebugwindow * (+559) /* How2Code */ Add examples
20:47:30 <esowiki> [[Loadstring]] M https://esolangs.org/w/index.php?diff=80076&oldid=80075 * PythonshellDebugwindow * (+0) /* Indexes */ Why this was reverted?
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23:08:33 <g35467> 21212121
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23:20:02 <ArthurStrong> bots again?
23:22:51 <g35467> what?
23:23:19 <g35467> i dont run php
23:33:57 <esowiki> [[Loadstring]] M https://esolangs.org/w/index.php?diff=80077&oldid=80076 * Pen Island * (+1) index in the jump_equal instruction (truth machine) was wrong (tested in interpreter)
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23:44:47 <esowiki> [[Loadstring]] M https://esolangs.org/w/index.php?diff=80078&oldid=80077 * Pen Island * (-29) cat program was completely broken (also tested in interpreter)
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←2021-01-17 2021-01-18 2021-01-19→ ↑2021 ↑all