ã‚ã‚‹æ—¥rakeã§ã‚¨ãƒ©ãƒ¼ã«ãªã£ãŸã®ã§å¯¾å¿œæ–¹æ³•ã®ãƒ¡ãƒ¢ - yokochiã®é–‹ç™ºãƒ¡ãƒ¢rake db:migrateを実行ã—ãŸã‚‰ä»¥ä¸‹ã®ã‚¨ãƒ©ãƒ¼ãŒã€‚。ã¨ã„ã†ã‹rake自体ãŒã ã‚ã£ã½ã„ $ rake -T /Users/yamazaki/.rvm/gems/ruby-1.9.2-p180@global/gems/rake-0.9.2/lib/rake/version.rb:4: warning: already initialized constant MAJOR /Users/yamazaki/.rvm/gems/ruby-1.9.2-p180@global/gems/rake-0.9.2/lib/rake/version.rb:5: warning: already initialized constant MINOR /Users/yamazaki/.rvm/gems/ruby-1.9.2-p180@global/gems/rake-0.9.2/lib/rake/versi
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