Array Cast - December 25, 2021 Show NotesMany thanks to Adám Brudzewsky for collecting these links00:01:30 Ken Iverson: https://apl.wiki/Ken_Iverson00:01:30 J903: https://code.jsoftware.com/wiki/System/Installation/J90300:02:21 APL logo: https://apl.wiki/APL_logo00:02:51 I.P. Sharp: https://apl.wiki/I.P._Sharp_Associates00:04:12 APL⋆PLUS: https://apl.wiki/APL*PLUS00:04:12 Tacit programming: https://apl.wiki/Tacit_programming00:04:12 Hook: https://apl.wiki/Hook00:05:15 Hook in J: https://code.jsoftware.com/wiki/Vocabulary/hook00:07:36 BQN: https://apl.wiki/BQN00:07:36 Fork: https://apl.wiki/Tacit_programming#3-trains00:08:20 Beside: https://apl.wiki/Beside00:09:46 ADSP C++ episode: https://adspthepodcast.com/2021/12/10/Episode-55.html00:09:46 ADSP BQN episode: https://adspthepodcast.com/2021/12/17/Episode-56.html00:10:30 BQN solutions: https://github.com/codereport/LeetCode/blob/master/0269_Problem_1.bqn#L500:10:31 Iota sequence: https://apl.wiki/Index_Generator00:10:31 J solution: https://tio.run/##y/r/303B1kpBWyFTjys1OSNfwdBAwU3B9P9/AA00:12:22 Stephen's blog post: https://www.5jt.com/the-rest-is-silence00:12:22 APL solution: https://tryapl.org/?clear&q=%E2%8E%95IO%E2%86%900%20%E2%8B%84%20F%20%E2%86%90%20%2B%E2%88%98%E2%8D%B3%20%E2%8B%84%2010%20F%205&run00:16:15 BQN solution using After: https://mlochbaum.github.io/BQN/try.html#code=RiDihpAgK+KfnOKGlQoxMCBGIDU=00:18:21 The [APL] Orchard: https://apl.chat00:30:03 (P)QRS in APL: https://tio.run/##SyzI0U2pTMzJT///P0DhUdsEhepHvbuAtOGjjhmP2iYrPOpuUVDXUNcBiuqoKwQogFhbddQ11Wu5AgmrD0RWH0RYfRCy@mDC6oOR1XM96psK0qFeoa6gEQg0K1hTQb1SHUU4QAEh8f8/AA00:30:03 (P)QRS in J: https://tio.run/##hcw7CsAgEITh3lNMNwp2SSXkDj6OEAIhTVo9vdnOLBZ2w7/L9/QecQRsCCBpSU9Gmb7JcJIQgt3HtUqGenAmTUJaCUkLeRLySshaKJNQVkLRgrnO@wUrYZPoxYGNvxgxcu8f00:33:30 Golfing: https://apl.wiki/Code_golf00:33:42 Marshall Lochbaum's birds table: https://mlochbaum.github.io/BQN/doc/birds.html00:33:42 Hook Conjunction? paper: https://code.jsoftware.com/wiki/Essays/Hook_Conjunction%3F00:35:37 IsPalindrome in APL (or BQN): https://tio.run/##SyzI0U2pTMzJT///37M4IDEnMy@lKD83VeFR2wSFR12LHnUufNSzl@tR31SQAIoK9aLE5NTkxCJ17LIZ@UXFqer//wMA00:35:37 IsPalindrome in J: https://tio.run/##y/r/37M4IDEnMy@lKD83VcHWSkHXqkaPKzU5I18BRUa9KDE5NTmxSB2bXEZ@UXGq@v//AA00:36:41 APL\?: https://www.jsoftware.com/papers/J1990.htm00:41:57 Applied inline in J: https://tio.run/##y/r/PzU5I19BQ9eqRk9TQb0oMTk1ObFInQtFNCO/qDhV/f9/AA00:41:57 Applied inline in APL: https://tio.run/##SyzI0U2pTMzJT////1Hf1EdtExQedS581DHjUc/eR70rFNSLEpNTkxOL1LmwymbkFxWnqv//DwA00:42:54 Atop "unary-binary": https://apl.wiki/Atop_(operator)00:43:19 Beside/After "binary-unary": https://apl.wiki/Beside00:45:25 Over: https://apl.wiki/Over00:45:25 APL Wiki's table: https://apl.wiki/Function_composition00:48:25 Marshall's table: https://youtu.be/czWC4tjwzOQ?t=145600:48:25 Adám's alternative table: https://youtu.be/Hln3zryunsw?t=115100:53:28 Ambivalent: https://apl.wiki/Ambivalent_function00:55:01 Case-folding: https://help.dyalog.com/latest/#Language/System%20Functions/c.htm00:55:01 Case-insensitive using Over: https://tryapl.org/?clear&q=%27Hello%27%20%E2%89%A1%E2%8D%A5%E2%8E%95C%20%27HELLO%27%20%E2%8B%84%20%27Hello%27%20%E2%8D%B3%E2%8D%A5%E2%8E%95C%20%27E%27%20%E2%8B%84%20%27L%27%20%E2%88%8A%E2%8D%A5%E2%8E%95C%20%27Hello%27&run00:55:01 HTMLTag Over ⎕C: https://tryapl.org/?clear&q=HTMLTag%E2%86%90%7B%E2%8D%BA%E2%86%90%7B(%C2%AF8%E2%86%93%E2%8D%BA)%2C1%E2%86%93%E2%8D%B5%7D%20%E2%8B%84%20%E2%88%8A%27%3Ci%20class%3D%22%27%E2%8D%BA%27%22%3E%27%2C%E2%8D%B5%2C%27%3C%2Fi%3E%27%7D%20%E2%8B%84%20HTMLTag%E2%8D%A5%E2%8E%95C%27CONTENT%27%20%E2%8B%84%20%27MyClass%27HTMLTag%E2%8D%A5%E2%8E%95C%27CONTENT%27&run00:55:01 HTML escape using Over: https://tryapl.org/?clear&q=HTMLTag%E2%86%90%7B%E2%8D%BA%E2%86%90%7B(%C2%AF8%E2%86%93%E2%8D%BA)%2C1%E2%86%93%E2%8D%B5%7D%20%E2%8B%84%20%E2%88%8A%27%3Ci%20class%3D%22%27%E2%8D%BA%27%22%3E%27%2C%E2%8D%B5%2C%27%3C%2Fi%3E%27%7D%20%E2%8B%84%20HTMLEsc%E2%86%90%27%5C%3C%27%20%27%26%27%E2%8E%95R%27%5C%26lt%3B%27%20%27%5C%26amp%3B%27%20%E2%8B%84%20HTMLTag%E2%8D%A5HTMLEsc%27H%E2%82%82O%3Cblood%27%20%E2%8B%84%20%27r%26d%27HTMLTag%E2%8D%A5HTMLEsc%27H%E2%82%82O%3Cblood%27&run00:59:24 Advent of Code: https://apl.wiki/Advent_of_Code00:59:24 Execute comma separated list: https://tryapl.org/?clear&q=%E2%8D%8E%2731%2C41%2C59%27&run01:00:49 Parsing text data files: https://youtu.be/AHoiROI15BA01:03:13 Advent of Q: https://github.com/StephenTaylor-Kx/adventofq01:03:46 Dfn syntax: https://apl.wiki/Dfn01:03:46 Dfn default left arguments: https://apl.wiki/Dfn#Default_left_arguments01:03:46 Cover for Minus: https://tryapl.org/?clear&q=Minus%E2%86%90%7B%E2%8D%BA%E2%86%90%E2%8A%A2%20%E2%8B%84%20%E2%8D%BA-%E2%8D%B5%7D%20%E2%8B%84%2010%20Minus%203%20%E2%8B%84%20Minus%205&run01:08:26 "Alpha gets" on APLcart: https://aplcart.info?q=%E2%8D%BA%E2%86%9001:09:19 Dyadic Hook in Python: https://tio.run/##K6gsycjPM7YoKPr/PyM/P1vBViEnMTcpJVEhTSfdCsqs0Km0StOo0EnXqNTU5CrIKS1GKAPJRVdopyqk5RcppCpk5ilUxnJl5pckApUUJealp3IVFGXmlWiADNcAadUBSWpqGBromGpq/v8PAA01:09:34 "define the hook in any functional language":JavaScript: https://tio.run/##JY3BCsMgEETvfkWOu9Qu7aHQi4F@R@lBgrE2tiuaBv16o@Q0zDxm5qM3nabownre7rW@mZdBDTBLi2qELEuTuamFgiiC/6eOj7zQVwcAI10z@WRQOF5141mNTyJ6xKgLZKTFlAT4EhP/EntDni30J@h7spcQrhd5Q6x1BwRuby: https://tio.run/##KypNqvz/PyM/P1vBVkHXLk0nvVrXrkKnsjotukInPboyNra2lqsgp7QYLA2SqNTLTSyorkmsSdSuAMpl5pckQuSqDfT09CqAqhVAxkWDNOmAZGOjDQ10TGP//wcAHaskell: https://tio.run/##y0gszk7Nyfn/PyM/P1shTSFdoUKhUsEWyKpQ0EhXqNTkKsgpLQZybBVyEwsUNLQrNLky80sSwSLRBnp6FbqGsVy5iZl5QH5BUWZeiYKKAtgssD6wUkMDBdP//wEpoint-free Haskell: https://tio.run/##y0gszk7Nyfn/PyM/P1vBViEtJ7NAQU9BQ0NPU0@TqyCntBgomJsIFtPW5MrML0lUqAAKRRvo6VXoGsZy5SZm5gH5BUWZeSUKKgpgY8DawEoNDRRM//8HAALisp: https://tio.run/##RY9BDoMgEEX3nuInXTiTbuyiB0IUazoyBDXV07dgsd0x8PLmYWWcw5u63q0eQdYZtEFmrgDQZII1MR/zJGZqOwPaGXTFhp25PCWeq6pIRl0S1Orqu69FVAOcRni4qBMatL3oCwdSDFZFervAM58xD9UnyGEolrI97z2LEmaNCFyq@Q1DDsuaEEe//O/pEF7q45OXOmcybg3uif0AScheme: https://tio.run/##RU27DoMwDNz5ihttVUhl6MTXpMUJUR2CmkaFr09NO@DB8p3vUR6zJOlDjSqtUS3SpzxVlQIqLx9xrH5gxjgi5rfraBIfFwGtWgsWKIOSW0Hq0n1yBoy42COZSZlPw5zzEx6BT@2G3ZDHBgp22nSmj2VVt4P@jl/PUc0YrrgdiYt81CK5tS8C++: https://tio.run/##XZHPboQgEMbvPsUkTbqQ0s320IvafRHTAyKypAgGIdlN47NbZl2r7gWZP9/8vhHR9@/CcKum6UVbYWIjodRuCF7y7pytORs76bXYpowewjbmRjmvwyXptA3QcW0J/c0AeAwOtAscvqD6Jli0FLACMIQmz3FSmdJn4N4TS4u1hDKSssdaKpzHsOUobYPX06PTyxC9xQrGY7EwexOHlcnZM63euQie26F1viP1SqsX1iZX8XmgSPIF/SaKce@m3nu5OPeTvKAZjF@hZTBf1OLiIaxapmbAlQF@bnTBtOTKFLlRWoz/05928hJXRhrB9Rn@QEo@Tuzzbi/tR@b3yFNnIt/lwsUAZQk6HQc4FGM2TtMf01:11:43 Oliver Mooney's intro to J: https://youtu.be/t32bIbzQdCU01:11:43 APL Wiki Learning Resources: https://apl.wiki/Learning_resources01:13:42 Stephen's website: https://5jt.com

Array Cast - December 11, 2021 Show NotesMany thanks to Adám Brudzewsky for collecting these links00:01:53 Dyalog ’21 videos: https://dyalog.tv/Dyalog2100:02:10 APL ∊ BCN: https://apl.wiki/APL_∊_BCN00:02:10 Advent of Code: https://apl.wiki/Advent_of_Code00:02:56 J903 Beta: https://code.jsoftware.com/wiki/System/Installation#J903_BETA00:03:49 Brooke Allen's website: https://brookeallen.com/00:06:32 COBOL: https://en.wikipedia.org/wiki/COBOL00:06:32 COBOL reserved words: https://www.ibm.com/docs/en/iis/9.1?topic=words-cobol-reserved00:07:01 Fortran: https://en.wikipedia.org/wiki/Fortran00:07:01 Iverson’s A Programming Language textbook: http://apl.wiki/A_Programming_Language00:07:41 APL\360 manual: http://www.bitsavers.org/pdf/ibm/apl/GH20-0683-1_APL_360_Users_Manual_Mar70.pdf00:09:11 Iverson's algebra book: https://www.jsoftware.com/books/pdf/algebra.pdf00:11:12 BASIC https://en.wikipedia.org/wiki/BASIC00:21:45 IBM 5110: https://en.wikipedia.org/wiki/IBM_511000:23:19 IBM PC: https://en.wikipedia.org/wiki/IBM_Personal_Computer00:27:31 Dennis Shasha: https://en.wikipedia.org/wiki/Dennis_Shasha

Array Cast - November 27, 2021 Show Notes00:00:42 J Wiki: https://code.jsoftware.com/wiki/Main_Page00:01:04 APL Wiki: https://apl.wiki00:01:14 Vector Journal: https://vector.org.uk/00:02:04 J Forums: https://code.jsoftware.com/wiki/System/Forums00:03:47 Tacit programming: https://en.wikipedia.org/wiki/Tacit_programming00:03:58 Previous episodes on tacit programming: https://www.arraycast.com/episodes/episode-09-tacit-programming and https://www.arraycast.com/episodes/episode11-why-tacit00:04:51 Perl weekly challenge 88: https://theweeklychallenge.org/blog/perl-weekly-challenge-088/00:07:53 Adám's initial solution in APL: https://tryapl.org/?clear&q=%7B%C3%97%2F%E2%8D%B5%5B~%E2%8D%A41%200%E2%8D%A8%E2%8D%B3%E2%89%A2%E2%8D%B5%5D%7D10%205%207%208&run00:10:14 Stephen's initial solution in K: https://tio.run/##y9bNS8/7/79aQ0u/QlO1otbQQMFUwVzB4v9/AA00:10:14 Stephen's initial solution in APL: https://tryapl.org/?clear&q=%7B(%C3%97%2F%E2%8D%B5)%C3%B7%E2%8D%B5%7D10%205%207%208&run00:11:51 Bob's J solution: https://tio.run/##y/oPBIZqGlr6MXqahgYKpgrmChYKAA and video at https://www.youtube.com/watch?v=0GPoCk__2lw00:12:06 Conor's revamp of J into C++: https://www.youtube.com/playlist?list=PLVFrD1dmDdvfVhYLU_iKkV67X9XqCJLWe00:12:28 Outfix: https://code.jsoftware.com/wiki/Vocabulary/bslashdot#dyadic00:13:27 Conor's solutions: https://github.com/manwar/perlweeklychallenge-club/tree/master/challenge-088/conor-hoekstra00:16:40 Conor's YouTube video: https://youtu.be/bXsKo2ZhgTg00:17:02 Recent ADSP Podcast on Speed vs Efficiency: https://adspthepodcast.com/2021/11/12/Episode-51.html00:20:40 Stephen's extension in APL and K: {(×/⍵)÷⍵+⍵=0} and {(*/x)%x+x=0}00:21:32 Adám's conversion of the APL solution to tacit forms: ×/÷⊢+0=⊢ or ×/÷⊢+0∘=00:28:02 Episode mentioning test-driven design: https://www.arraycast.com/episodes/episode14-dyalog-21-live00:33:40 Top-down programming: https://en.wikipedia.org/wiki/Top-down_and_bottom-up_design00:41:24 Is-palindrome fork: https://tryapl.org/?clear&q=(%E2%8C%BD%E2%89%A1%E2%8A%A2)%27racecar%27%20%E2%8B%84%20(%E2%8C%BD%E2%89%A1%E2%8A%A2)%27carrace%27%20%E2%8B%84%20%E2%8C%BD%E2%89%A1%E2%8A%A2&run00:42:18 Find primtive: https://apl.wiki/Find https://code.jsoftware.com/wiki/Vocabulary/ecapdot00:43:06 "abab": https://tryapl.org/?clear&q=%27ab%27%20%E2%8D%B7%20%27abab%27&run00:43:36 Prefix: https://tryapl.org/?clear&q=%27ab%27%20(%E2%8A%83%E2%8D%B7)%20%27abab%27&run00:44:08 Found anywhere: https://tryapl.org/?clear&q=%27ba%27%20(%E2%88%A8%2F%E2%8D%B7)%20%27abab%27&run00:44:27 How many: https://tryapl.org/?clear&q=%27ab%27%20(%2B%2F%E2%8D%B7)%20%27abab%27&run00:44:33 Suffix: https://tryapl.org/?clear&q=%27ab%27%20(%E2%8A%83%E2%8D%B7%E2%8D%A5%E2%8C%BD)%20%27abab%27&run00:45:16 Atop: https://apl.wiki/Tacit_programming#2-trains00:47:10 Ian Clark's suggestion of keeping tacit away from beginners: http://www.jsoftware.com/pipermail/beta/2021-November/010151.html00:49:10 Needing to isolate tacit functions: https://apl.wiki/Tacit_programming#Trains00:53:20 Stephen's favourite tacit function: https://tryapl.org/?clear&q=%E2%8E%95IO%E2%86%900%20%E2%8B%84%20(%E2%8A%83%E2%86%93%E2%88%98%E2%8D%B3%2F)%205%2011&run00:56:40 Stephen's blog post: https://www.5jt.com/the-rest-is-silence00:59:35 Marshall Lochbaum's bird combinator list: https://mlochbaum.github.io/BQN/doc/birds.html01:00:25 Plus-minus: https://tryapl.org/?clear&q=10%20(%2B%2C-)%202&run01:02:00 Bob's favourite tacit construct: https://tio.run/##HcpLCoAgFEbhrfzDK2gDcQUtoD0oXXsg3kFaBNLWex34Zme93xyINJq6YD4WGPoOmSdfFskgoyARDlFSkoNHhBOkFcrM8GGTVAtj96kyqP2vsQ801:06:26 Over: https://apl.wiki/Over01:08:05 Split-compose: https://apl.wiki/Reverse_Compose#Common_usage01:11:00 Bob's video: https://youtu.be/gidit2Yx2F8

Array Cast - November 13, 2021 Show NotesLink to presentation resources of Dialog ‘21 https://www.dyalog.com/user-meetings/dyalog21.htm00:00:30 Dyalog User Meeting '21: https://www.dyalog.com/user-meetings/dyalog21.htm00:03:03 Richard Park's presentation on the Dyalog Media Update: TBA00:04:10 ShapeRank: https://github.com/f5devcentral/shapeRank00:05:50 Gitte on Array Cast: https://www.arraycast.com/episodes/episode12-gitte-christensen00:07:45 Brian Becker's presentation about Packaging Dyalog Tools / Tatin: TBA00:09:05 Hashback #! scripting presentation: TBA00:09:05 Link presentation: TBA00:11:27 Rodrigo's presentation on Py'n'APL: TBA00:14:10 C++ compiler explorer: https://godbolt.org/00:21:00 Ken Iverson's “Notation as a Tool of Thought” Paper (pdf): https://www.eecg.utoronto.ca/~jzhu/csc326/readings/iverson.pdf00:27:21 Kimmo Linna's RSConnect: https://github.com/kimmolinna/rsconnect00:29:15 TamStat: http://www.tamstat.com/00:33:24 CodeGolf website: http://codegolf.stackexchange.com/00:33:59 The APL Orchard: The APL Orchard00:53:51 Aaron Hsu on “The Fallacy of Unit Testing”: https://www.sacrideo.us/the-fallacy-of-unit-testing/

Array Cast - October 30, 2021 Show Notes00:00:00 Roger Hui: https://apl.wiki/Roger_Hui00:00:00 Eric Iverson: https://apl.wiki/Eric_Iverson00:00:00 Eric Iverson's announcement: https://www.jsoftware.com/pipermail/programming/2021-October/059091.html00:00:00 J: https://apl.wiki/J00:00:00 Ken: https://apl.wiki/Ken_Iverson00:02:24 Dyalog '21: https://www.dyalog.com/user-meetings/dyalog21.htm00:02:24 Memorial service: https://youtube.com/watch?v=_8FG81Ze1aM00:02:51 Morten Kromberg: https://apl.wiki/Morten_Kromberg00:02:51 Dyalog Ltd.: https://apl.wiki/Dyalog_Ltd.00:04:11 Gitte Christensen: https://apl.wiki/Gitte_Christensen00:04:59 John Scholes: https://apl.wiki/John_Scholes00:04:59 Dan Baronet: https://apl.wiki/Dan_Baronet00:05:53 Pearly gates: https://en.wikipedia.org/wiki/Pearly_gates00:06:22 Galactic Emperor: https://www.jsoftware.com/papers/50/50_49.htm00:06:22 Monument quality code: https://forums.dyalog.com/viewtopic.php?f=30&t=1638&p=6456&hilit=monument#p645300:06:58 Rob Hodgkinson's response: https://www.jsoftware.com/pipermail/programming/2021-October/059124.html00:08:50 I.P. Sharp Associates: https://apl.wiki/I.P._Sharp_Associates00:09:51 Arthur Whitney: https://apl.wiki/Arthur_Whitney00:11:30 Adaytum: https://www.computerweekly.com/feature/Cognos-acquires-Adaytum-and-bolsters-performance-management-agenda00:12:16 Jsoftware: https://apl.wiki/Jsoftware00:13:05 Cognos: https://en.wikipedia.org/wiki/Cognos00:14:24 Dfns: https://apl.wiki/Dfn00:14:24 First axis emphasis: https://apl.wiki/Leading_axis_theory00:14:24 Sharp APL: https://apl.wiki/Sharp_APL00:15:59 Ravel: https://apl.wiki/Ravel00:15:59 Table function: https://apl.wiki/Table00:16:35 Identity functions: https://apl.wiki/Same00:16:35 Take: https://apl.wiki/Take00:16:35 Take: https://apl.wiki/Drop00:16:35 Take: https://apl.wiki/Index_(function)00:16:59 Dyadic Iota: https://apl.wiki/Index_of00:16:59 Rank operator: https://apl.wiki/Rank_(operator)00:16:59 Key operator: https://apl.wiki/Key00:16:59 Tally: https://apl.wiki/Tally00:16:59 Function trains: https://apl.wiki/Trains00:16:59 Where: https://apl.wiki/Where00:16:59 Interval Index: https://apl.wiki/Interval_Index00:16:59 J forums: https://code.jsoftware.com/wiki/System/Forums00:17:47 Over and Atop: https://apl.wiki/Function_composition00:17:47 Unique Mask: https://apl.wiki/Unique_Mask00:17:47 Under: https://wiki.jsoftware.com/wiki/Essays/Under00:17:47 Obverse: https://code.jsoftware.com/wiki/Vocabulary/codot00:18:21 APL2: https://apl.wiki/APL200:18:56 Tacit programming: https://apl.wiki/Tacit_programming00:18:56 Stencil: https://apl.wiki/Stencil00:19:49 History of Programming Languages: https://aplwiki.com/wiki/HOPL00:19:49 HOPL APL paper: https://dl.acm.org/doi/pdf/10.1145/338631900:20:30 Roger's presentation: https://www.pldi21.org/prerecorded_hopl.2.html00:21:57 Total Array Ordering: https://apl.wiki/Total_array_ordering00:21:57 Jay Foad: https://apl.wiki/Jay_Foad00:23:02 Structural Under and Mathematical Under: https://mlochbaum.github.io/BQN/spec/inferred.html#under00:23:02 APL\360 https://apl.wiki/APL\36000:25:11 Tacit modifiers: https://code.jsoftware.com/wiki/Vocabulary/fork#invisiblemodifiers00:28:41 Henry on this podcast: https://www.arraycast.com/episodes/episode-06-henry-richs-deep-dive-into-j00:30:14 HOPL video: https://www.pldi21.org/prerecorded_hopl.2.html00:31:26 J wiki: https://code.jsoftware.com00:31:41 Essays: https://code.jsoftware.com/wiki/Essays00:31:41 Papers: https://www.jsoftware.com/papers/00:36:47 Hook Conjunctions?: https://code.jsoftware.com/wiki/Essays/Hook_Conjunction%3F00:38:54 Wikipedia contributions: https://xtools.wmflabs.org/ec/en.wikipedia.org/Roger_Hui00:39:37 Jim Brown: https://apl.wiki/Jim_Brown00:40:53 88 Hats: https://code.jsoftware.com/wiki/Essays/88_Hats00:41:39 Catalan numbers video series: https://www.youtube.com/playlist?list=PL275xqeqDUOiOQb8Vic-E_ocq10EC_ELQ00:43:44 Phrasal Forms: https://www.jsoftware.com/papers/fork.htm00:47:06 Jokes We Told Each Other: https://www.jsoftware.com/papers/Jokes.htm00:50:49 APL Puns: https://www.dyalog.com/blog/2015/12/apl-puns/00:50:49 NASA oral histories: https://historycollection.jsc.nasa.gov/JSCHistoryPortal/history/oral_histories/NASA_HQ/SMD/MorrisonDD/MorrisonDD_5-9-17.htm00:53:14 Edits on tiny symbols: https://code.jsoftware.com/mediawiki/index.php?limit=50&title=Special%3AContributions&contribs=user&target=Roger+Hui&namespace=6&tagfilter=&start=2021-07-12&end=00:56:31 Richard Stallman: https://apl.wiki/Richard_Stallman01:01:51 Paw and Hoof: https://www.jsoftware.com/papers/APLDictionary1.htm#tab101:02:22 Log symbol: https://aplwiki.com/wiki/Natural_Logarithm01:04:06 RIDE support for ``ewok ``wookie ``r2d2: https://github.com/Dyalog/ride/commit/d9e7d5c546c9951b2aaea9f7594150d04b2f81b9

Array Cast - October 16, 2021 Show Notes0:02:00 Dyalog 21 November 8-90:02:30 APL Campfire0:03:23 APL Logo Design0:36:55 Dyalog Forums0:38:23 APL Wiki0:40:00 Dyalog Search Resource Map1:00:45 APL Orchard1:08:00 Joel Hough 2011 Contest Winner1:11:18 Asher Mancinelli’s YouTube channel

Array Cast - October 18, 2021 Show Notes0:01:34 Dyalog 21 November 8-90:03:25 Henry Rich talks Tacit on Array Cast0:03:40 Conjunctions and Adverbs in J0:05:24 Henry Rich’s email announcing Tacit Modifiers0:09:00 Tacit definition0:09:20 Tacit version of Average in J0:10:40 Inverses in J0:11:42 Obverse conjunction in J0:14:10 Category Theory0:16:15 Guy Steele “Growing a Language” APL mention p. 60:50:40 Stephen Taylor’s blog post on Tacit Programs1:02:00 Travis Oliphant interviewed by Lex Fridman

Array Cast - September 18, 2021 Show Notes0:01:50 The Ridiculously Early J Morning Show (youtube) The Ridiculously Early J Morning Show (twitch)0:02:54 Eric_Iverson0:03:10 Ken_Iverson0:05:18 A_Programming_Language0:07:28 Elementary_Functions_An_Algorithmic_Treatment0:09:14 IBM_System/3600:09:59 I.P._Sharp_Associates0:10:13 APL\11300:11:39 Ian_Sharp0:12:14 Larry_Breed0:12:36 Time-sharing0:13:01 SHARP_APL0:13:11 Siemens_System_4004 (in German)0:15:54 Thomas_J._Watson_Research_Center ("Mohansic Labs")0:16:44 IBM_Research0:18:04 PL/I0:18:25 Strand_notation0:18:33 Enclose0:18:33 Array_model0:18:33 Box0:20:22 APL20:21:40 Zoo Story: How the I.P. Sharp APL Development Group Got its Name0:22:30 IBM_Basic_Assembly_Language_and_successors0:24:30 Index Origin0:25:19 APL\3000 (Larry Breed's compiler)0:30:36 IBM_Personal_Computer0:31:31 Roger_Moore_(computer_scientist)0:31:35 Intel_80860:34:35 Roger_Hui0:40:04 J1990 (1990 conference paper)0:41:10 Jsoftware (Iverson Software Inc.)0:48:22 https://github.com/jsoftware/jsource (source)0:57:03 Catalan Labs (video)1:03:04 https://xkcd.com/2343/1:03:23 Jeh_language1:09:05 Glyph1:10:32 Notation as a Tool of Thought1:14:00 APL/J Rosetta Stone1:17:10 IBM_Selectric_typewriter1:17:10 Historical_anecdote (APL "golf ball")

Array Cast - September 4, 2021 Show Notes0:00:16 Larry Breed Obituary Larry Breed Memorial on Zoom - Sept. 12, 1:00pm PDT 0:02:05 The Ridiculously Early J Morning Show (twitch) The Ridiculously Early J Morning Show (youtube)0:03:38 Tacit Programming0:09:06 16 APL Amuse Bouches (Roger Hui)0:10:03 Original ‘Swap’ Character0:19:49 The Power of Composition (Scott Wlaschin)0:20:55 Leetcode 1678 in APL (Rodrigo Girão Serrão)0:23:26 J parser (J for C Programmers)0:31:00 +/0:35:07 One Problem - 16 Programming Languages0:38:09 Fork0:38:39 Cap0:39:25 At Atop0:47:50 Hook0:52:15 Phrasal Forms (Iverson and McDonnell)0:54:50 Palindromic Palindrome Checker in APL1:02:50 Fantasy Birds The Rest is Silence - Invincible Summer (Stephen Taylor’s Essay on Tacit Programming)

0:01:45 Time Complexity of Algorithms0:01:50 APL Orchard0:03:40 Array Programming Languages (Wikipedia)0:06:08 Project Euler0:14:30 Conor’s Tweet of the Kaldane Algorithm0:14:53 BQN programming language: 0:18:16 Fold Conjunction in J0:19:47 ADSP #25 Podcast0:30:46 Downloads for k0:30:46 Shakti Homepage0:53:21 Jd database0:59:23 APL Campfire1:00:05 Download for q1:00:05 Starting out in q