This guide covers different ways to retrieve data from the database using Active Record. After reading this guide, you will know: How to find records using a variety of methods and conditions. How to specify the order, retrieved attributes, grouping, and other properties of the found records. How to use eager loading to reduce the number of database queries needed for data retrieval. How to use dy
æ¬ã¯ææ³ãæªæ¥ã«å½±é¿ãä¸ããããåãããã¯ãµã³ã¿ã«ãªããªããï¼ 12æã§ãããããã¼ã£ãï¼(æ¨æ¶) å¹´æ«ã«ãªãã¨åéã ã¨ãå¯ä»ãå©ãåãã®è©±é¡ãçãä¸ããã¾ããã 以åã«ããã¤ã³ã¿ã¼ãããã«æ©è¿ããã¦ã人é¡ã®çºå±ã«è²¢ç®ãã¡ãããã¨ããè¨äºãããBe My Eyes ã«ã¤ãã¦æ¸ãããããã®ã§ãããã¡ãã£ã¨ããèªåã®æéãå°ãã®ãéâ¦
Scaffoldã§çæããã¢ããªã±ã¼ã·ã§ã³ã¯åºçºç¹ã«ããããèªç«ããå®æåã®ã¢ããªã±ã¼ã·ã§ã³ã§ã¯ããã¾ããããã®ãããéçºè ãããã¸ã§ã¯ãã«é©ããå½¢ã«ãªãããã«æãå ããå¿ è¦ãããã¾ããããããæ¯åä¼¼ããããªä¿®æ£ãè¡ãã®ã§ããã°ãçæããæç¹ã§ãã®ä¿®æ£ãåæ ããã¦ããæ¹ããããçç£æ§ãåä¸ãã¾ããããã§æ¬ç¨¿ã§ã¯ãScaffoldãã«ã¹ã¿ãã¤ãºããæ¹æ³ãç´¹ä»ãã¾ãã ã¯ããã« Scaffoldã¯ãRuby on Railsï¼ä»¥ä¸ãRailsï¼ã«ããã代表çãªã¸ã§ãã¬ã¼ã¿ã§ããããã¼ãã«ã®ã¡ã³ããã³ã¹ã¢ããªã±ã¼ã·ã§ã³ãèªåçæãã¦ããã¾ããã¾ããScaffoldã«ãã£ã¦çæãããã³ã¼ãã¯ãRailsã¢ããªã±ã¼ã·ã§ã³ã®ãã£ã¬ã¯ããªããªã¼ã«æ ¼ç´ããã¦ãããèªåã§å¤æ´ãããã¨ãã§ãã¾ãã ãã¼ã¿å¦çé¨åã®éçºãç°¡ç¥åãããã®ã§ãçæããã¢ããªã±ã¼ã·ã§ã³ãããã«å®è¡ãã¦è©¦ããã¨ãã§ããããããã®å¤æ´ã
ã¨ããããã§ã config/locales/translation_ja.yml ã«ä¸è¨ã®ããã«è¿½è¨ãã»ã¯ã·ã§ã³åãã®éè¤æ³¨æããã㧠scaffoldæä¾ã® CRUDç»é¢ã¯ãªãã¨ãã ja: railties: scaffold: back: ä¸è¦§ listing: "{{model}} ä¸è¦§" edit: ç·¨é editing: "{{model}} ã®ç·¨é" show: è¦ã showing: "{{model}} ãè¦ã" new: "æ°ãã {{model}}" create: ä½æ created_success: "ç¡äº {{model}} ãä½æãã¾ããã" update: æ´æ° updated_success: "ç¡äº {{model}} ãæ´æ°ãã¾ããã" destroy: åé¤ confirmation: æ¬å½ã«åé¤ãã¾ãã? (ãã®ã¾ã¾ã³ããããã¨ãja:ãè¡ã®é
è²·ãã®ã¯ã ãããæ¸ç±ã§ãéèªã¯ç«ã¡èªã¿ã§æ¸ã¾ããç§ã§ããã»ã»ã» WEB+DB PRESS Vol.51 ä½è : åè¦åä¹,å®äºç伸,èéç¥ä¸,èå·å,å¨ç°æ ä¸,éæ¨é,ä¼è¤ç´ä¹,åéç´å¹³,ããã¯,鶴岡ç´ä¹,å·å£èä»,æ¦è æ¶ç´,森ç°åµ,é«æå²,ç¾½çç« æ´,å°é£¼å¼¾,è§ç°ç´è¡,ã¯ã¾ã¡ã2,å·å¶æ ¶ä»,é«æ©å¾¹,ç³é»å°ä¹ ,WEB+DB PRESSç·¨éé¨åºç社/ã¡ã¼ã«ã¼: æè¡è©è«ç¤¾çºå£²æ¥: 2009/06/24ã¡ãã£ã¢: 大åæ¬è³¼å ¥: 5人 ã¯ãªãã¯: 48åãã®ååãå«ãããã° (36件) ãè¦ã ã»ã»ã»ãã¾ã«ã¯ã¨æã£ã¦ããã®éèªãè²·ãã¾ãã ããã«ããã£ã¨æ¸ãã¦ãã£ãã®ãã Railsã®ã¨ã©ã¼ã¡ãã»ã¼ã¸ãç°¡åã«æ¥æ¬èªåããæ¹æ³ã§ã㦠ãããããRails2.2ã®æç¹ã§å½éå(i18n)対å¿ããã¦ãããã®ã®ã ä»çµã¿ãããã ãã§ãæ¨æºã§æ¥æ¬èªã«ãªãããã§ã¯ãªãã£ãããã§(´・Ïï½¥`) ããã§ç»å ´ããã®
restful_authentication ãå°å ¥ããã®ã§æé ãªã©ã¡ã¢ã£ã¨ãã¾ãã restful_authentication ã»ãã°ã¤ã³ãªã©ã®ã»ãã·ã§ã³ç®¡çãè¡ãªã Rails ãã©ã°ã¤ã³ ã»ã¡ã¼ã«ã«ããèªè¨¼ç»é²ãã§ãã ã»ã»ãã·ã§ã³ç¶æ ã acts_as_state_machine ã§ç®¡çãããã¨ãå¯è½ ã»acts_as_authenticated ãç½®ãæãããã©ã°ã¤ã³ãããï¼åç §ï¼ ã»eringi.comãacts_as_authenticated ã試ãã¦ã¿ããã acts_as_state_machine ã®ã¤ã³ã¹ãã¼ã« >ruby script/plugin install http://elitists.textdriven.com/svn/plugins/acts_as_state_machine/trunk/ restful_authentication ã®ã¤ã³ã¹ã
restful_authentication ãã©ã°ã¤ã³ã®ã¡ã¢ãæ¤è¨¼ã¯ Rails 2.0.2 ã§è¡ã£ã¦ãã¾ãã ãã©ã°ã¤ã³ã«ã¤ã㦠RESTful ãªã¦ã¼ã¶èªè¨¼ãè¡ãäºãã§ãã¾ãã é常ã®ã»ãã·ã§ã³ãç¨ããèªè¨¼ããã¼ã·ãã¯èªè¨¼ã Cookie ã«ããèªè¨¼ãå©ç¨ã§ãã¾ããç¹ã« Cookie ãç¨ããèªè¨¼ã¯ããã©ã¦ã¶ãéããå ´åã§ãæå¹æéå ãªãæå¹ã«ãªãã¾ãï¼è¨å®æå¹æï¼ã ã¤ã³ã¹ãã¼ã« ãã©ã°ã¤ã³ãã¤ã³ã¹ãã¼ã«ãã¾ããRails 1.2.6 以éã§ãªãã¨åä½ããªãã®ã§æ³¨æãã¦ä¸ããã ã¾ãã authenticated_system.rb 㯠RAILS_ROOT/lib 以ä¸ã«å±éããã¾ãã ruby script/plugin install http://svn.techno-weenie.net/projects/plugins/restful_authentication/追è¨
ActionMailerã§ã¡ã¼ã«éä¿¡@Sakuraã¬ã³ã¿ã«ãµã¼ã [blog]-Motivation Driven Development Railsã使ããªãã§ãrubyããActionMailerã§ã¡ã¼ã«ãéä¿¡ããããªã£ãã®ã§ãããæ¹ã®ã¡ã¢ã ActionMailerã¯ãgemã§ã¤ã³ã¹ãã¼ã«æ¸ã¿ã¨ä»®å®ã Sakuraã¬ã³ã¿ã«ãµã¼ã(ããã)ã®å ´åãâPOP before SMTPâãªã®ã§ãéä¿¡åã«popèªè¨¼ãå¿ è¦ã¨ãªãã¾ãã require 'rubygems' require 'action_mailer' require 'net/pop' class MyMailer < ActionMailer::Base alias_method :base_perform_delivery_smtp, :perform_delivery_smtp @@pop3_auth_done = ni
INDEX PAGE Ruby On Railsã«LoginEngineãå°å ¥ãã¾ããã Ruby On Railsã®ãã¼ã¸ã§ã³ã¯2.02ã ã£ãã®ã§ãã æ¸ç±ãWebä¸ã®æ å ±ã©ããã«å°å ¥ãã¦ãã¾ã£ãããããããããªãã¯ã¾ãã¾ããï¼ï¼ï¼¿ï¼ï¼ #######å°å ¥ãã¼ã¸ã§ã³############################## OS WindowsVista éçºç°å¢ pleiades-all-in-one-ruby + RadRails Ruby 1.8.6 Ruby On Rails 2.0.2 Engines 2.0.0 LoginEngine 1.0.2 ################################################### â»pleiades-all-in-one-rubyã¯ä¸è¨ãµã¤ãããåå¾ http://mergedoc.sourceforge
LoginEngineã¨ã¯? LoginEngine㯠RailsEnginesã®ä¸ç¨®ã§ãRailsã¢ããªã±ã¼ã·ã§ ã³ã«ã¦ã¼ã¶èªè¨¼ã®æ©è½ãä»å ããããã®ãã®ã§ãã Engine ã¨ã¯ãRailsã¢ããªã±ã¼ã·ã§ã³ã«(æ¢åã®ã³ã¼ããå¤æ´ãããã¨ãªã)ã ããããªæ©è½ãä»å ãããã©ã°ã¤ã³ã§ãã ãã¨ã㨠SaltedHashLoginGeneratorã¨ããååã§ã¸ã§ãã¬ã¼ã¿ã¨ãã¦æä¾ããã¦ãããã®ã Engine ã¨ãã¦åå®è£ ããã®ã LoginEngine ã§ãã SaltedHashLoginGeneratorã¨ã¯? SaltedHashLoginGeneratorã使ã£ã¦ã¿ãã®ãã¼ã¸ãåç §ã ãªããLoginEngineãLoginGeneratorã使ããã«èªè¨¼æ©æ§ãå®è£ ããä¾ãã Railsã§Wikiã¯ãã¼ã³ãä½ã10 ã«ããã¾ãã®ã§ããã¡ããåèã«ãã¦ãã ããã LoginEngi
ã¾ã ã¾ã çºå±éä¸ã§ã¯ããã¾ãããç°¡åã«gemãªãªã¼ã¹ã§ããç°å¢ãæ´ãããªãªã¼ã¹ãã¾ããã 0.0.3 以é㯠Rails 2.1.0 移è¡ã®ã¿å¯¾å¿ã¨ãªãã¾ãã 0.0.2 ããã®ä¸»ãªæ©è½è¿½å 㯠iã¢ã¼ãIDã¸ã®å¯¾å¿ DoCoMoãªã¼ãã³iã¨ãªã¢ã§ç·¯åº¦çµåº¦åå¾ autoload (walf443ãããããã¨ããããã¾ã) ã¤ã¼ã¢ãã¤ã«ã«å¯¾å¿ ã§ãã ãã®ä»Railsã®ãã¼ã¸ã§ã³ã¢ããã«è¿½å¾ãããããå¤ãã®ä¿®æ£ãè¡ããã¦ãã¾ãã
ãã¤ã°ã¬ã¼ã·ã§ã³ãããã°ããã»ã©ä¾¿å©ã§ããã åç´ã«ããã¼ãã«æä½ã ããããªãã¦ããã¡ã¤ã«ä¿åå ã®å¤æ´ã¨ããå é¨ä»æ§ã®å¤æ´ã«å¯¾ãã¦ã使ããããªå°è±¡ãåãã¾ãã åºæ¬çãªããæ¹ã»æ¸ãæ¹ã¯ãå··ã«ããµãããã£ã¦ããã®ã§ãããã¯èª¿ã¹ã¦ããã ãã¨ãã¦ã ä»åã¯ãç¹ã«ããã¤ã°ã¬ã¼ã·ã§ã³ã§ã®å¤é¨ãã¼ã®è¨å®ã®ä»æ¹ã«ã¤ãã¦ãã¡ã¢ã ãã¤ã°ã¬ã¼ã·ã§ã³ãåºç¤ ããããããã¤ã°ã¬ã¼ã·ã§ã³ã£ã¦ã©ãããã®ï¼ã£ã¦äººã¯ã以ä¸ã®ã¨ãããåç §ãããã¨ãããããããã¨æãã¾ãã RoR Wiki 翻訳 Wiki â UnderstandingMigrations RoR Wiki 翻訳 Wiki â UsingMigrations ã½( ã»âã»)ããã¾ãã¾ã¼(2005-08-17) Rails Wiki â migration FFTT : Railsã®Migration 1 : SQLãå©ç¨ããå ´å ã²ã¨ã¤ãã®ããæ¹ã¨ãã¦ã
Ruby-GetText-Packageã¯Ruby on Railsã®ãã¼ã«ã©ã¤ã¼ã¼ã·ã§ã³ãå¼·åã«ãµãã¼ããã¾ãã Railsã®ããã®æ©è½ Controller/Viewã翻訳ããæ©è½ Modelã翻訳ããæ©è½ï¼ãã¼ãã«åãã«ã©ã åï¼ ã¯ã©ã¤ã¢ã³ããã±ã¼ã«ã®èªååå¾ ï¼Controller/Viewã ãã§ã¯ãªãModelã«ã¤ãã¦ãï¼ç¿»è¨³å¯¾è±¡æååãèªåã§æ½åºãpoãã¡ã¤ã«ãçæããæ©è½ è¤æ°ã®ããã¹ããã¡ã¤ã³ãä½ãæ©è½ ãã±ã¼ã«ãã¨ã®Action/Fragmentãã£ãã·ã¥ ã¨ã©ã¼ã¡ãã»ã¼ã¸ã®ç¿»è¨³ï¼ãã«ãã¤ã³ï¼ ããã¤ãã®ãã«ãã¼é¢æ°ã®ç¿»è¨³ï¼ãã«ãã¤ã³ï¼ ããã§ã¯Ruby on Rails 2.0.0以éã§Ruby-GetText-Packageã使ãæ¹æ³ã説æãã¾ãã Ruby on Railsã§ã¯rakeã使ããã¨ãå¤ãã®ã§ããã®ä¾ã§ã¯po/moãã¡ã¤ã«ã®ç®¡çã«ã¤ãã¦ãrakeã使ãã
2024.02 « - - - - - 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 - - - - - - » 2024.04 Ruby On Rails ã§ãæ¥æ¬èªãµã¤ããæ§ç¯ãããã¨ããã¨ãã°ã¯ã¼ã¨ãªãã¾ãã ã¨ããã®ã¯ãã¡ãã»ã¼ã¸ãèªåçã«è±èªã§è¡¨ç¤ºãããç®æãå¤ã ããããã§ãã ããã«ã¤ãã¦ã¯ãç¾å¨ã®ã¨ãã Ruby-GetText ãè¯ã対çã ããã§ãã ãªã©ã¨ããæ å ±æºã¯ãã¡ããRails ã®æ¥æ¬èªåã«ã¯ ActiveHeart ã使ããªãæ¹ãããã¨ãããå¾ã¾ããã ã§ãã£ã¦ãä»å㯠UTF-8 ã§æ¥æ¬èªãµã¤ããæ§ç¯ããæã®ããæ¹ãç°¡åã«æ¸ãã¦ã¿ããã¨æãã¾ãã ï¼ï¼config/environment.rb ã« UTF-8 使ããã¼ãæ¥æ¬èªã©ã¤ãã©ãªä½¿ã
ããã³ã¾ãã¯ãRuby ã«é¢ããæè¡è¨äºã¯ãã¡ããã®ãã¨ãRubyist ã¸ã®ã¤ã³ã¿ãã¥ã¼ãã¨ãã»ã¤ããã®ä»ããå±ãããã¦ã§ãéèªã§ãã Rubyist Magazine ã«ã¤ã㦠ãRubyist Magazineããç¥ãã¦ããã³ã¾ãã¯ãæ¥æ¬ Ruby ã®ä¼ã®æå¿ã«ãã Rubyist ã® Rubyist ã«ãããRubyist ã¨ããã§ãªã人ã®ããã®ã¦ã§ãéèªã§ãã ææ°å· Rubyist Magazine 0058 å· ããã¯ãã³ãã¼ Rubyist Magazine 0058 å· RubyKaigi 2018 ç´åç¹éå· Rubyist Magazine 0057 å· RubyKaigi 2017 ç´åç¹éå· Rubyist Magazine 0056 å· Rubyist Magazine 0055 å· Rubyist Magazine 0054 å· æ±äº¬ Ruby ä¼è° 11 ç´
2008.5.10è¿½è¨ rubygemsãRailsãæ°ãããã¼ã¸ã§ã³ãåºã¦ãããã¤ã³ã¹ãã¼ã«ã®æé ãå¤å°ãããã¾ããã®ã§ãããã«ãã¨ã¥ããè¨äºãããã¦ããã¾ããã¢ãããã¼ãçãããã®ã¬ã³ã¿ã«ãµã¼ãã¼ã«Ruby on Rails 2.0.2ãã¤ã³ã¹ãã¼ã«ããæ¹æ³ãã覧ãã ããã 6æã«ãã£ã人工ç¥è½å¦ä¼ã®å ¨å½å¤§ä¼ã§ãã¾ã¤ãã¨ãããæå¾ è¬æ¼ãããããã¦ããªã«ãã«ããããã£ã¦ããRuby on Railsã§ããããããããããã®ã¬ã³ã¿ã«ãµã¼ãã§Ruby on Railsãã¦ã¿ããã¨ããããã¤ã³ã¹ãã¼ã«ãã¦ã¿ã¾ããããã®ããã®æé ãã¾ã¨ãã¦ããã¾ããã¤ã³ã¹ãã¼ã«ã«å½ãã£ã¦ã¯åèæç®[1]ã¨[2]ãåèã«ãã¾ããã ã¾ãã¯rubyãã¯ãã£ã¦ãããã¨ã®ç¢ºèªã % ruby --version ruby 1.8.5 (2006-08-25) [i386-freebsd6] ããã ãããã¾ããããrub
ãã®ï¼ãåãæ¢ããã¤ã³ã¹ãã¼ã«ã ãã®ï¼ãå¿ è¦ãã¡ã¤ã«ãèªåçæã ãã®ï¼ãç»é¢è¡¨ç¤ºãè¦ã¦ã¿ãã ãã®ï¼ãæ¥æ¬èªåããã¦ã¿ãã ãã®ï¼ããã°ã¤ã³è¨±å¯ã»ä¸è¨±å¯ã ãã®ï¼ãã¾ã¨ãã ãµã¨æãã°ããã°ã¤ã³èªè¨¼æ©è½ã«ã¤ãã¦ä¸ã¤ã触ãã¦ãªãã£ããªãããªã©ã¨æãããã°ã¤ã³æ©è½ã Rails ã§è¿½å ããã«ã¯ã©ã¼ãããããã®ããã¨ãããã¨ãæ¸ãã¦ããããããããªãï¼ã¨æãã¾ããã ã§ããï¼ããé ã«æ¸ãã®ã¯è¶ é¢åã¨æãããã®ã§ãã©ãããªãæ¢åã®ãã©ã°ã¤ã³ãå©ç¨ãããã¨ã«ãã¾ããã ã¨è¨ã£ã¦ãããã°ã¤ã³æ©è½ã®ãã©ã°ã¤ã³ã«ä½ããããåãããªãã»ã»ã» ããã§è²ã 調ã¹ã¦ã¾ã第ä¸åè£ã«æãã£ãã®ããlogin_engine ã¨ãããã®ã ããããå®ç¸¾ãããã¿ããã§ãæ¥æ¬èªåã®ããã®ãµã¤ããç«ã¡ä¸ãã£ã¦ãã¾ããã ãã ãæ¬å®¶ã®ãµã¤ããè¦ã¦ã¿ãã¨ãfarewell ã¨ãè¨ã£ã¦ããã¤ãã©ã¼ã¿ããã«æ¸ãã¦ãã£ã¦ãããéçºãã
ãªãªã¼ã¹ãé害æ å ±ãªã©ã®ãµã¼ãã¹ã®ãç¥ãã
ææ°ã®äººæ°ã¨ã³ããªã¼ã®é ä¿¡
å¦çãå®è¡ä¸ã§ã
j次ã®ããã¯ãã¼ã¯
kåã®ããã¯ãã¼ã¯
lãã¨ã§èªã
eã³ã¡ã³ãä¸è¦§ãéã
oãã¼ã¸ãéã
{{#tags}}- {{label}}
{{/tags}}