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kiyo_hiko 2019/11/15
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kiyo_hiko 2018/11/08
setup

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kiyo_hiko 2018/11/08
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kiyo_hiko 2017/01/24
utf8

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rails - Mysql2::Error: Incorrect string value - ãã†ã„ã†ã“ã¨ã ã£ãŸã‚“ã§ã™ã
æ¬¡ã®ã‚¨ãƒ©ãƒ¼ãŒã§ãŸå ´åˆã€‚ Mysql2::Error: Incorrect string value: åŽŸå› ã‚’èª¿ã¹ã‚‹ ãŠãŠã‚€ãã€ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã®æ–‡å—ã‚³ãƒ¼ãƒ‰ã‚’ç¢ºèªã™ã‚‹ã€‚ ãŸã„ã¦ã„ latin1 ã¨ã‹ã«ãªã£ã¦ã„ã‚‹ã€‚ $ mysql -uuser -p my_db mysql > show create table posts; CREATE TABLE `posts` ( `id` int(11) NOT NULL AUTO_INCREMENT, `title` varchar(255) DEFAULT NULL, `text` text, `created_at` datetime DEFAULT NULL, `updated_at` datetime DEFAULT NULL, PRIMARY KEY (`id`) ) ENGINE=InnoDB AUTO_INCREMENT=2 DEFAUL
kiyo_hiko 2017/01/23
mysql>show create table TAB_NAME; --latin1ãªã©ã ã¨ã ã‚ // è‡ªåˆ†ã¯ActiveRecordã®ãŸã‚rake db:drop ï¼ž db:create ï¼ž db:migrateã®ãƒ‘ã‚¿ãƒ¼ãƒ³ã§è§£æ±º

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kiyo_hiko 2016/07/21
win

cmd

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Ruby æ¨™æº–æ·»ä»˜ãƒ©ã‚¤ãƒ–ãƒ©ãƒªã® CSV ã§ Windows-31J (Shift_JIS ã§ã‚‚è‰¯ã„ã‘ã©) ãª CSV ã‚’ä½œã£ã¦ã„ãŸã®ã ã‘ã‚Œã©ã‚‚ã€ç‰¹å®šã®æ–‡å—ãŒå«ã¾ã‚Œã¦ã„ã‚‹ã¨ Encoding::UndefinedConversionError ã«ãªã£ã¦ã—ã¾ã†ã€‚ irb(main):011:0> CSV.open(File.join('/var/tmp/hoge.csv'), 'w', encoding: 'Windows-31J') do |csv| irb(main):012:1* csv << %w( d Ã© f ) irb(main):013:1> end Encoding::UndefinedConversionError: U+00E9 from UTF-8 to Windows-31J irb(main):014:0> CSV.open(File.join('/var/tmp/h
kiyo_hiko 2016/05/13
ç‰¹å®šã®æ–‡å—ã§ã“ã®ã‚¨ãƒ©ãƒ¼å‡ºã‚‹å¯¾ç–ã®è©±

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kiyo_hiko 2016/05/13
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kiyo_hiko 2016/02/02
"SHOW VARIABLES LIKE 'char%';"

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Apache æ–‡å—åŒ–ã‘å¯¾ç– AddDefaultCharset â€“ Rocky Linux ã‚µãƒ¼ãƒæ§‹ç¯‰è¡“ æ–‡å…·å ‚
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kiyo_hiko 2016/01/17
apache

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kiyo_hiko 2015/12/21
sjis

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RailsãŒMySQLã®collationã‚’ã‚µãƒ¼ãƒãƒ¼å´ã®ãƒ‡ãƒ•ã‚©ãƒ«ãƒˆã®utf8_general_ciã‹ã‚‰utf8_unicode_ciã«ã‚ã–ã‚ã–å¤‰ãˆã¦ã‚‹ã®ã©ã†ã›å¤§ã—ãŸç†ç”±ã˜ã‚ƒãªã„ã ã‚ã¨æ€ã£ã¦æŽ˜ã£ã¦ã¿ãŸã‚‰ã‚„ã£ã±ã‚Šå¤§ã—ãŸç†ç”±ã˜ã‚ƒãªã‹ã£ãŸâ€¦ https://t.co/6NeetGhTF0â€” Ryuta Kamizono (@kamipo) April 18, 2014 Railsã§collationã¨ã—ã¦utf8_unicode_ci(Railsã®DEFAULT_COLLATION)ãŒæŽ¡ç”¨ã•ã‚Œã‚‹ã®ã¯charsetãŒæœªæŒ‡å®šã‚‚ã—ãã¯utf8(Railsã®DEFAULT_CHARSET)ã®ã¨ãã ã‘ã§ã€utf8mb4ã«ã™ã‚‹ã“ã¨ã¨ã‹ã¯å…¨ãè€ƒæ…®ã•ã‚Œã¦ãªã„ã€‚â€” Ryuta Kamizono (@kamipo) April 19, 2014 @frsyuki MySQLã®charset utf8ã®ã¨ãã®ãƒ‡ãƒ•ã‚©ãƒ«ãƒˆ
kiyo_hiko 2015/03/08
encoding
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kiyo_hiko 2014/02/06
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kiyo_hiko 2013/11/05
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kiyo_hiko 2011/10/09
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kiyo_hiko 2011/10/09
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https://osksn2.hep.sci.osaka-u.ac.jp/~taku/osx/perl/perl_utf.html
kiyo_hiko 2011/10/09
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