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2015-12-01
R data.tableã‹ã‚‰ä¸€å®šé‡ã®ãƒ¬ã‚³ãƒ¼ãƒ‰ã‚’ã‚µãƒ³ãƒ—ãƒªãƒ³ã‚°ã—ãŸã„
çµè«– dplyrã¤ã‹ã†ã€‚ library(dplyr) dt %>% sample_n(100) # 10â€¦
2015-10-26
Rã§ç•³ã¿è¾¼ã¿ãŒã‚„ã‚ŠãŸã„(Haskellã§è¨€ã†foldã¨ã‹rubyã§è¨€ã†injectã¿ãŸã„ãªã‚„ã¤)
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2015-08-12
twitter gemã§ã€screen_nameã§ã¯ãªãuser_idã‚’æŒ‡å®šã—ã¦follower_iâ€¦
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2015-07-11
awkã§æŒ‡å®šã—ãŸè¡Œã®ã¿ã‚’å‡ºåŠ›ã™ã‚‹ã€‚ãŸã¨ãˆã°1è¡Œç›®ä»¥å¤–ã‚’å‡ºåŠ›ã™ã‚‹
çµè«– cat test.csv | awk -F',' 'FNR > 1 {print $0}' 1è¡Œç›®ä»¥â€¦
2015-07-07
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çµè«– cat ã‚ã‚‹ãƒ•ã‚¡ã‚¤ãƒ« | sort | uniq -c | awk '$1 > 1' è§£èª¬ â€¦

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id:Shinya_131

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