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→Comparison of dialects: Remove "tool of thought" link: unclear what an article should even contain
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* ''I was perched ⍤ the tower, giving my un÷d @tention 2 the ⌷ re∪ @ the ⌊ of the ⊂d ○ below me and ↑ing note of ¨ ⍨r's arrival time in my ⍟ ~ ⎕DL'': I was perched [[atop]] the tower, giving my un[[divide]]d [[at]]tention to the [[squad]] re[[union]] [[at]] the [[floor]] of the [[enclose]]d [[circle]] below me and [[take|tak]]ing note of [[each]] [[commute]]r's arrival time in my [[log]] [[without]] [[delay]].<ref>[[Adám Brudzewsky]]. Chat message {{m|54937708}}. [[APL Orchard]]. 7 December 2020.</ref> | * ''I was perched ⍤ the tower, giving my un÷d @tention 2 the ⌷ re∪ @ the ⌊ of the ⊂d ○ below me and ↑ing note of ¨ ⍨r's arrival time in my ⍟ ~ ⎕DL'': I was perched [[atop]] the tower, giving my un[[divide]]d [[at]]tention to the [[squad]] re[[union]] [[at]] the [[floor]] of the [[enclose]]d [[circle]] below me and [[take|tak]]ing note of [[each]] [[commute]]r's arrival time in my [[log]] [[without]] [[delay]].<ref>[[Adám Brudzewsky]]. Chat message {{m|54937708}}. [[APL Orchard]]. 7 December 2020.</ref> | ||
* <syntaxhighlight lang=apl inline>¨∊∪←=⊢2⍝∧?*</syntaxhighlight>: [[Each]] [[member]] of the [[union]] [[gets]] [[equal]] [[right]] to [[comment]] [[and]] [[roll|question]] [[power]].<ref> | * <syntaxhighlight lang=apl inline>¨∊∪←=⊢2⍝∧?*</syntaxhighlight>: [[Each]] [[member]] of the [[union]] [[gets]] [[equal]] [[right]] to [[comment]] [[and]] [[roll|question]] [[power]].<ref>Nick Nickolov. Internal email. [[Dyalog Ltd]]. 11 Dec 2015.</ref> | ||
* <syntaxhighlight lang=apl inline>⊢>+⌿÷≢</syntaxhighlight>: This [[monadic]] [[train]] indicates [[element]]s that are "[[greater than]] average" or "above [[Simple_examples#Tacit_programming|average]]" and is used as catch phrase by [[Richard Park]] and [[Aaron Hsu]].<ref>[[Aaron Hsu]]. [https://www.bonfire.com/above-average/ Above Average] shirts. Bonfire web store.</ref> | * <syntaxhighlight lang=apl inline>⊢>+⌿÷≢</syntaxhighlight>: This [[monadic]] [[train]] indicates [[element]]s that are "[[greater than]] average" or "above [[Simple_examples#Tacit_programming|average]]" and is used as catch phrase by [[Richard Park]] and [[Aaron Hsu]].<ref>[[Aaron Hsu]]. [https://www.bonfire.com/above-average/ Above Average] shirts. Bonfire web store.</ref> | ||
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⍟ | ⍟ | ||
⍒ ⍋⍛ ⍒⍒⍒⍤⍥ | ⍒ ⍋⍛ ⍒⍒⍒⍤⍥ | ||
</syntaxhighlight>Legend: <syntaxhighlight lang=apl inline>⍒</syntaxhighlight> Joseph, <syntaxhighlight lang=apl inline>⍋</syntaxhighlight> Mary, <syntaxhighlight lang=apl inline>⍛</syntaxhighlight> Jesus, <syntaxhighlight lang=apl inline>⍒⍒⍒</syntaxhighlight> three wise men, <syntaxhighlight lang=apl inline>⍤</syntaxhighlight> donkey, <syntaxhighlight lang=apl inline>⍥</syntaxhighlight> ox, <syntaxhighlight lang=apl inline>⍟</syntaxhighlight> Star of Bethlehem.<ref> | </syntaxhighlight>Legend: <syntaxhighlight lang=apl inline>⍒</syntaxhighlight> Joseph, <syntaxhighlight lang=apl inline>⍋</syntaxhighlight> Mary, <syntaxhighlight lang=apl inline>⍛</syntaxhighlight> Jesus, <syntaxhighlight lang=apl inline>⍒⍒⍒</syntaxhighlight> three wise men, <syntaxhighlight lang=apl inline>⍤</syntaxhighlight> donkey, <syntaxhighlight lang=apl inline>⍥</syntaxhighlight> ox, <syntaxhighlight lang=apl inline>⍟</syntaxhighlight> Star of Bethlehem.<ref>Nick Nickolov. Chat messages {{m|56547006}} and {{m|56547161}}. [[APL Orchard]]. 25 Dec 2020.</ref> | ||
* A [[Dyalog duck]]:<syntaxhighlight lang=apl> | * A [[Dyalog duck]]:<syntaxhighlight lang=apl> | ||
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There is a friendly rivalry between adherents of various APLs and derivatives which can lead to tongue-in-cheek attacks. | There is a friendly rivalry between adherents of various APLs and derivatives which can lead to tongue-in-cheek attacks. | ||
* ''APL vs J vs K''<ref> | * ''APL vs J vs K''<ref>Nick Nickolov. Chat message {{m|51655962}}. [[APL Orchard]]. 10 Sep 2019.</ref> is a collage of nine images that purport to illustrate how adherents of APL, [[J]], and [[K]], see the other languages. Going in [[ravel order]], APLers think of APL as the ultimate tool of thought, J as APL's little brother that is too focused on mathematics, and K as being too restricted. J users see APL as the revered sage that has outlived itself using foreign (Chinese) characters that do not fit into a normal rectangle (thus being cut off on the right), J as the perfect all-round tool, and K as running after monetary gain (K being very fast, and often used for [[wikipedia:high-frequency trading|high-frequency trading]]). K users see APL as bloated and old, J as bloated and a joke full of <syntaxhighlight lang=j inline>.</syntaxhighlight>s and <syntaxhighlight lang=j inline>:</syntaxhighlight>s (as these two characters are used as suffixes to expand the number of ASCII symbols), and K as the key to winning the race. | ||
== Criticism of APL == | == Criticism of APL == | ||
Some features of APL are often ridiculed by APLers. | Some features of APL are often ridiculed by APLers. Chief among them is the ability to set [[index origin]], which leads to [[wikipedia:off-by-one error|off-by-one error]]s even more often in APL than usually seen in programming. | ||
[[File:Aplbingo.png|right|thumb|Some APLers may enjoy playing a game of "complaint bingo" when conversing with the unreceptive.]] | |||
* [[Roger Hui]], a strong proponent of fixing index origin ― <syntaxhighlight lang=apl inline>⎕IO</syntaxhighlight> ― at zero is known for often inserting the phrase ''<syntaxhighlight lang=apl inline>⎕IO</syntaxhighlight> delenda est'' based on Cato's famous Latin oratorical phrase ''[[wikipedia:Carthago delenda est|Carthago delenda est]]''. | * [[Roger Hui]], a strong proponent of fixing index origin ― <syntaxhighlight lang=apl inline>⎕IO</syntaxhighlight> ― at zero is known for often inserting the phrase ''<syntaxhighlight lang=apl inline>⎕IO</syntaxhighlight> delenda est'' based on Cato's famous Latin oratorical phrase ''[[wikipedia:Carthago delenda est|Carthago delenda est]]''. | ||
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* ''15=∞ for sufficiently small values of ∞''<ref>[[Adám Brudzewsky]]. Chat message {{m|41106395}}. [[APL Orchard]]. 31 Mar 2020.</ref> or ''99≈∞ for sufficiently small values of ∞''<ref>Adám Brudzewsky. Chat message {{m|53955678}}. [[APL Orchard]]. 12 Nov 2017.</ref> alludes to the use of e.g. <syntaxhighlight lang=apl inline>⍤0 15</syntaxhighlight> or <syntaxhighlight lang=apl inline>⍤0 99</syntaxhighlight> in APLs that have a limited maximum [[rank]] and do not support infinity as a [[number|numeric literal]]. In particular, [[Dyalog APL]]'s maximum rank is 15, and so in the very specific context of the right operand of [[Rank (operator)|Rank]], 15=∞. | * ''15=∞ for sufficiently small values of ∞''<ref>[[Adám Brudzewsky]]. Chat message {{m|41106395}}. [[APL Orchard]]. 31 Mar 2020.</ref> or ''99≈∞ for sufficiently small values of ∞''<ref>Adám Brudzewsky. Chat message {{m|53955678}}. [[APL Orchard]]. 12 Nov 2017.</ref> alludes to the use of e.g. <syntaxhighlight lang=apl inline>⍤0 15</syntaxhighlight> or <syntaxhighlight lang=apl inline>⍤0 99</syntaxhighlight> in APLs that have a limited maximum [[rank]] and do not support infinity as a [[number|numeric literal]]. In particular, [[Dyalog APL]]'s maximum rank is 15, and so in the very specific context of the right operand of [[Rank (operator)|Rank]], 15=∞. | ||
* '' | * ''ngn's scans'' or ''ngn's cumulative reduces'' refers to Nick Nickolov's uncanny ability to come up with unusual uses of [[Scan]] for solving various problems, e.g. negating every other number with <syntaxhighlight lang=apl inline>⊢∘-\</syntaxhighlight>.<ref>Nick Nickolov. Chat message {{m|43074306}}. [[APL Orchard]]. 26 Feb 2018.</ref> | ||
[[File:Airplane meme.jpg|thumb|right|"Enjoying the flight" meme.]] | [[File:Airplane meme.jpg|thumb|right|"Enjoying the flight" meme.]] | ||