ã¢ã¿ã¸ã‚“プãƒã‚°ãƒ©ãƒŸãƒ³ã‚°æ—¥èªŒ ActiveRecord::Base.transaction ã¯ãƒã‚¹ãƒˆã—ãŸãƒˆãƒ©ãƒ³ã‚¶ã‚¯ã‚·ãƒ§ãƒ³ã«å¯¾å¿œã—ã¦ã„ã‚‹ã®ã‹ç¢ºèªã—ãŸã€‚[PR]上記ã®åºƒå‘Šã¯3ヶ月以上新è¦è¨˜äº‹æŠ•ç¨¿ã®ãªã„ブãƒã‚°ã«è¡¨ç¤ºã•ã‚Œã¦ã„ã¾ã™ã€‚æ–°ã—ã„記事を書ã事ã§åºƒå‘ŠãŒæ¶ˆãˆã¾ã™ã€‚ ç´°ã‹ã„説明ã¯æŠœãã«ã—ã¦ã€ä»¥ä¸‹ã®irb (rails console -s ã§èµ·å‹•ã™ã‚‹ã‚³ãƒ³ã‚½ãƒ¼ãƒ«ãƒ¢ãƒ¼ãƒ‰)ã§ã®å®Ÿè¡Œå†…容を見ã¦ã¿ã‚ˆã†ã€‚ ã¾ãšã¯Userã¨ã„ã†ãƒ¢ãƒ‡ãƒ«ã‚’saveメソッドå˜ä½“ã§ä¿å˜ã—ã¦ã¿ã‚‹ã€‚ [root@localhost base]# rails console -s Loading development environment in sandbox (Rails 4.0.0.beta1) Any modifications you make will be rolled back on exit irb(main):001:0> a = User.new => # irb(main):002:0> a.user_no = "123" => "123" irb(main)
内海 英一郎ã®ãƒ–ãƒã‚°: 11月 2009
App Engineã§ãƒãƒ¼ã‚¸ãƒ§ãƒ³ã«ã‚ˆã‚‹æ¥½è¦³çš„排他制御 - ã²ãŒã‚„ã™ã‚’技術ブãƒã‚°
RESTã¨ãƒˆãƒ©ãƒ³ã‚¶ã‚¯ã‚·ãƒ§ãƒ³ï¼Ÿ
Efficient data transfer through zero copy
クラウド時代ã®ãƒˆãƒ©ãƒ³ã‚¶ã‚¯ã‚·ãƒ§ãƒ³ï¼ˆ2009-02-09 - ãã—ã ã®ã¯ã¦ãªï¼‰
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