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freelabell 2008/09/08
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How to import CSV file in rails
How to import CSV file in rails? The CSV text-file format is a common choice for both import and export when performing data migrations. What if you want to import CSV files within a Rails application? Here is the code that allow you to upload CSV data onto the MySQL database from the web interface This code save data direct to database without saving it to temp file Controller: require 'csv' def
freelabell 2008/08/10
rails

excel
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ãƒ†ãƒ¼ãƒ–ãƒ«ãŒ class CreateProjects < ActiveRecord::Migration def self.up create_table :projects do |t| t.column :projectid, :string, :limit => 5 t.column :project_name, :string end end def self.down drop_table :projects end end ã¨ã„ã†æ§‹é€ ã®å ´åˆã®ä¾‹ã€‚ Controllerã®ä¾‹ã€‚ require 'fastercsv' def import_csvdata # if params[:dump][:file].class.to_s == "StringIO" if params[:dump][:file].class == StringIO @parsed_file = FasterC
freelabell 2008/08/10
rails

excel
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Pointy Haired Dilbertã®ã‚¨ãƒ³ãƒˆãƒªãƒ¼ã‹ã‚‰ã€çŸ¥ã£ã¦ã„ã‚‹ã¨ä¾¿åˆ©ãªã‚¨ã‚¯ã‚»ãƒ«ã®11ã®ã‚·ãƒ§ãƒ¼ãƒˆã‚«ãƒƒãƒˆã‚’ç´¹ä»‹ã—ã¾ã™ã€‚ 11 very useful excel keyboard shortcuts you may not know [F4] or [Ctrl] + [Y] ç›´å‰ã®ä½œæ¥ã‚’ç¹°ã‚Šè¿”ã—ã¾ã™ã€‚ [Ctrl] + [;] ç¾åœ¨ã®æ—¥ä»˜ã‚’å…¥åŠ›ã—ã¾ã™ã€‚ [Ctrl] + [Shift] + [:] ç¾åœ¨ã®æ™‚åˆ»ã‚’å…¥åŠ›ã—ã¾ã™ã€‚ [Ctrl] + ['] ä¸Šã®ã‚»ãƒ«ã‹ã‚‰ãƒ‡ãƒ¼ã‚¿ã‚’ã‚³ãƒ”ãƒ¼ã—ã¾ã™ã€‚ [Shift] + [F2] ã‚»ãƒ«ã«ã‚³ãƒ¡ãƒ³ãƒˆã‚’æŒ¿å…¥ã—ã¾ã™ã€‚ [Alt] + [F8] ãƒžã‚¯ãƒãƒ€ã‚¤ã‚¢ãƒã‚°ã‚’è¡¨ç¤ºã—ã¾ã™ã€‚ [Alt] + [=] ã‚ªãƒ¼ãƒˆSUMæ•°å¼ã‚’æŒ¿å…¥ã—ã¾ã™ã€‚ [Ctrl] + [Shift] + [$] æ•°å—ã®è¡¨ç¤ºå½¢å¼ã‚’é€šè²¨ã«è¨å®šã—ã¾ã™ã€‚ [Ctrl] + [Shift] + [&] é¸æŠž
freelabell 2008/08/04
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How to import CSV file in rails

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