aparler/RosettaCodeData
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Initial data commit

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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 72d218235f
commit f23f22d71c
199087 changed files with 3378941 additions and 0 deletions
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Task/Base64-decode-data/J/base64-decode-data-2.j Normal file
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@ -0,0 +1,6 @@
BASE64=: (a.{~ ,(a.i.'Aa') +/i.26),'0123456789+/'
frombase64=: {{
pad=. _2 >. (y i. '=') - #y
pad }. a. {~ #. _8 [\ , (6#2) #: BASE64 i. y
}}