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udzura 2017/07/03
æ–°ä½œæƒ…å ±ã

activerecord

rails
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Goè¨€èªžã§ActiveRecordãƒ©ã‚¤ã‚¯ãªORMã‚’ã¤ãã£ãŸ
Goã§ DataMapperã˜ã‚ƒãªãã€ActiveRecordãƒ©ã‚¤ã‚¯ã«DBæ“ä½œã—ãŸã„ã¨æ€ã£ã¦ã¤ãã£ã¦ã¿ã¾ã—ãŸã€‚ go/parserã¨go/astã§ã‚½ãƒ¼ã‚¹ã‚’è§£æžã€å€‹ã€…ã®æ§‹é€ ä½“ã”ã¨ã«ARãªã‚³ãƒ¼ãƒ‰ã‚’ç”Ÿæˆã—ã¾ã™ã€‚ argen ActiveRecord** Gen**eratorã§argenã§ã™ã€‚ ã‚¯ã‚¤ãƒƒã‚¯ã‚¹ã‚¿ãƒ¼ãƒˆ ãƒ†ãƒ¼ãƒ–ãƒ«ã‚’è¡¨ã™æ§‹é€ ä½“ã«+ARã‚¢ãƒŽãƒ†ãƒ¼ã‚·ãƒ§ãƒ³ã‚’ãƒžãƒ¼ã‚¯ã—ã¾ã™ã€‚
udzura 2015/03/04
ã“ã‚ŒãŒãƒ¢ãƒŽã‚¯ãƒãƒ¡ã‚¬ãƒã•ã‚“ã®å°å†…åˆˆã‚Šã«è¦‹ã›ã‹ã‘ãŸèƒŒè² ã„æŠ•ã’ã‹

golang

activerecord
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Rails4ã§ã‚¨ãƒ³ã‚¿ãƒ¼ãƒ—ãƒ©ã‚¤ã‚ºãªActiveRecordãƒ¢ãƒ‡ãƒ«ã‚’ä½œã‚‹ãŸã‚ã®6ã®ã‚¹ãƒ†ãƒƒãƒ—
Rails / RSpec / Ruby 1. éšŽå±¤ã‚’åˆ†ã‘ã¦ãƒ¢ãƒ‡ãƒ«ã‚’ä½œã‚‹ ã¾ãšã¯rails gã‚³ãƒžãƒ³ãƒ‰ã§ãƒ¢ãƒ‡ãƒ«ã‚’ä½œã‚Šã¾ã™ã€‚ãŸã„ã¦ã„ã®å ´åˆã¯ãŠäº’ã„ã«é–¢é€£ã®ã‚ã‚‹è¤‡æ•°ã®ãƒ¢ãƒ‡ãƒ«ã‚’ä½œã‚‹ã“ã¨ã«ãªã‚Šã¾ã™ãŒã€ãã‚Œã‚‰ãƒ¢ãƒ‡ãƒ«ã¯åŒã˜éšŽå±¤ã®ä¸‹ã«ç½®ãã‚ˆã†ã«ã—ã¾ã™ã€‚ ä¾‹ãˆã° $ rails g model Blog::User name:string profile:text $ rails g model Blog::Post user:references permalink:string title:string content:text ã¨ã„ã†ã‚ˆã†ã«ãƒ¢ãƒ‡ãƒ«ã‚’ä½œæˆã—ã¾ã™ã€‚ 2. ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹åˆ¶ç´„ã‚’è¿½åŠ ã™ã‚‹ RailsãŒç”Ÿæˆã™ã‚‹migrationã«ã¯ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹åˆ¶ç´„ãŒè¨å®šã•ã‚Œã¦ã„ãªã„ã®ã§ã€ãã®ã¾ã¾ã§ã¯ã‚¨ãƒ³ã‚¿ãƒ¼ãƒ—ãƒ©ã‚¤ã‚ºç”¨é€”ã«ã¯ä½¿ãˆã¾ã›ã‚“ã€‚ åŸºæœ¬çš„ã«NOT NULLåˆ¶ç´„ã¨UNIQUEåˆ¶ç´„ã¯å¿…ãšè¨å®šã—ã¾ã™ã—ã€å¤–éƒ¨ã‚ãƒ¼ãŒ
udzura 2014/10/28
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activerecord

rails
ãƒªãƒ³ã‚¯
activerecord-mysql-index-hint | RubyGems.org | your community gem host
RubyGems.org is the Ruby communityâ€™s gem hosting service. Instantly publish your gems and then install them. Use the API to find out more about available gems. Become a contributor and improve the site yourself. RubyGems.org is made possible through a partnership with the greater Ruby community. Fastly provides bandwidth and CDN support, Ruby Central covers infrastructure costs, and funds ongoing
udzura 2014/08/01
å®‰å®šæ„Ÿã‚ã‚‹ãƒ‘ãƒ³ãƒ€ã‚¢ã‚¤ã‚³ãƒ³ã ã£ãŸ...ï¼ˆã¾ã ä¸èº«ã¯ã¿ã¦ã„ãªã„

activerecord

mysql
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ãƒ—ãƒ©ã‚¤ãƒžãƒªã‚ãƒ¼ã‚’ä½¿ã£ãŸ1:1é–¢é€£ã§ã‚«ãƒ©ãƒ æ•°ã®å¤šã„ãƒ†ãƒ¼ãƒ–ãƒ«ã‚’åˆ†å‰²ã™ã‚‹ - Hidden in Plain Sight
ãŠãã‚‰ãå¤šãã®ã‚½ãƒ¼ã‚·ãƒ£ãƒ«ç³»ã‚¢ãƒ—ãƒªã«ã‚ã¦ã¯ã¾ã‚‹Railsã®ãƒ—ãƒãƒ»ãƒ‡ã‚¶ã‚¤ãƒ³ãƒ‘ã‚¿ãƒ¼ãƒ³çš„ãªè©±ã€‚ ã¼ããŒä»Šã‚„ã£ã¦ã„ã‚‹East Meet Eastã«ã¯ã€ãƒ¦ãƒ¼ã‚¶ã”ã¨ã«æ•°å¤šãã®ãƒ—ãƒãƒ•ã‚£ãƒ¼ãƒ«å±žæ€§ãŒã‚ã‚Šã¾ã™ã€‚åå‰ã€æ€§åˆ¥ã€ç”Ÿå¹´æœˆæ—¥ã€éƒµä¾¿ç•ªå·ã€è·æ¥ãªã©ãªã©ã€ã‚«ãƒ©ãƒ æ•°ã«ã—ã¦ã–ã£ã¨25å€‹ã€‚ã“ã‚Œã‚’ã€å…¨éƒ¨ã²ã¨ã¤ã®usersãƒ†ãƒ¼ãƒ–ãƒ«ã«è©°ã‚è¾¼ã‚€ã®ã¯ã€ã‚³ãƒ¼ãƒ‰ã®è¦‹é€šã—ã¨ã„ã†è¦³ç‚¹ã‹ã‚‰ã‚‚æ€§èƒ½ã®è¦³ç‚¹ã‹ã‚‰ã‚‚ã€ã‚ã¾ã‚Šã‚ˆã‚ã—ãã‚ã‚Šã¾ã›ã‚“ã€‚ ãªãœãªã‚‰ã°ã€ãƒ¦ãƒ¼ã‚¶é–¢é€£ã®æƒ…å ±ã‚’æ‰±ã†å±€é¢ã¨ã—ã¦ã¯ä¸»ã« ãƒ¡ãƒ¼ãƒ«ã‚¢ãƒ‰ãƒ¬ã‚¹ã¨ãƒ‘ã‚¹ãƒ¯ãƒ¼ãƒ‰ãªã©ã‚’ä½¿ã£ã¦ãƒã‚°ã‚¤ãƒ³ã™ã‚‹ï¼ˆã‚¢ã‚«ã‚¦ãƒ³ãƒˆæƒ…å ±ï¼‰ ãƒ—ãƒãƒ•ã‚£ãƒ¼ãƒ«æƒ…å ±ã§æ¡ä»¶ã‚’æŒ‡å®šã—ã¦ãƒ¦ãƒ¼ã‚¶ã‚’æ¤œç´¢ãƒ»æŽ¨è–¦ã™ã‚‹ï¼ˆãƒ—ãƒãƒ•ã‚£ãƒ¼ãƒ«æƒ…å ±ï¼‰ ã¨ã„ã†ï¼’ã¤ã®ç‹¬ç«‹æ€§ã®é«˜ã„ãƒ¦ãƒ¼ã‚¹ã‚±ãƒ¼ã‚¹ã«ã‚ã‹ã‚Œã‚‹ãŸã‚ã€ãƒã‚°ã‚¤ãƒ³å‡¦ç†ã‚’ã‚„ã£ã¦ã‚‹ã¨ãã«ã¯ãƒ—ãƒãƒ•ã‚£ãƒ¼ãƒ«æƒ…å ±ã¯ã„ã‚‰ãªã„ã—ã€ãƒ—ãƒãƒ•ã‚£ãƒ¼ãƒ«ã‚’æ¤œç´¢ã—ã¦ã‚‹ã¨ãã«ã¯ãƒ¡ãƒ¼ãƒ«ã‚¢ãƒ‰ãƒ¬ã‚¹ã‚„ãƒ‘ã‚¹ãƒ¯ãƒ¼ãƒ‰ã‚’ãƒãƒ¼ãƒ‰ã™ã‚‹ã®ã¯ç„¡é§„ã§ã™ã€‚ã¾ãŸã€é–‹ç™ºã‚„ãƒ‡
udzura 2014/03/05
æ—§ã„SQL serverãªã©ã§1ãƒ†ãƒ¼ãƒ–ãƒ«ã§ã®ã‚«ãƒ©ãƒ æ•°ã®åˆ¶é™ãŒã‚ã‚‹éš›ã®ãƒ†ã‚¯ãƒ‹ãƒƒã‚¯ï¼ˆé•

activerecord
ãƒªãƒ³ã‚¯
GitHub - mirego/emojimmy: [Deprecated] Emojimmy makes it possible to store emoji characters in ActiveRecord datastores that donâ€™t support 4-Byte UTF-8 Unicode (utf8mb4) encoding.
udzura 2014/01/16
ã“ã‚Œä½¿ã£ã¦ã„ã‚‹æ–¹æ„Ÿæƒ³ã‚’èžããŸã„

emoji

utf8mb4

gem

activerecord
ãƒªãƒ³ã‚¯
Rails ã§ã€Controller ã«å®šç¾©ã•ã‚Œã¦ã„ã‚‹ action ã‚’ä¸€åº¦ã«å–å¾—ã™ã‚‹æ–¹æ³•ã¯ã‚ã‚Šã¾ã™ã‹ï¼Ÿ - QA@IT
å¹³ç´ ã‚ˆã‚ŠQAï¼ ITã‚’ã”åˆ©ç”¨ã„ãŸã ãã€èª ã«ã‚ã‚ŠãŒã¨ã†ã”ã–ã„ã¾ã™ã€‚ QAï¼ ITã¯ã€Œè³ªå•ã‚„å›žç”ã‚’ã€Žå…±æœ‰ã€ã—ã€Žç·¨é›†ã€ã—ã¦ã„ãã“ã¨ã§ãƒ™ã‚¹ãƒˆãªQAã‚’è“„ç©ã§ãã‚‹ã€IT ã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢ã®ãŸã‚ã®å•é¡Œè§£æ±ºã‚³ãƒŸãƒ¥ãƒ‹ãƒ†ã‚£ãƒ¼ã€ã¨ã—ã¦ç´„7å¹´é–“é‹å–¶ã‚’ã—ã¦ãã¾ã—ãŸã€‚ã“ã‚Œã¾ã§ã‚µãƒ¼ãƒ“ã‚¹ã‚’ç¶šã‘ã‚‹ã“ã¨ãŒã§ããŸã®ã¯ã€QAï¼ ITã®ã‚³ãƒ³ã‚»ãƒ—ãƒˆã«å…±æ„Ÿã‚’ã„ãŸã ãã€é©åˆ‡ãªè³ªå•ã‚„å›žç”ã‚’ãŠå¯„ã›ã„ãŸã ã„ãŸçš†ã•ã¾ã®ã”æ”¯æ´ãŒã‚ã£ãŸã‹ã‚‰ã“ãã¨è€ƒãˆã¦ãŠã‚Šã¾ã™ã€‚é‡ãã¦å¾¡ç¤¼ç”³ã—ä¸Šã’ã¾ã™ã€‚ ã—ã‹ã—ãªãŒã‚‰ã€ã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢ã®æƒ…å ±å…¥æ‰‹æ–¹æ³•ã®å¤šæ§˜åŒ–ã‚„QAã‚µãƒ¼ãƒ“ã‚¹å¸‚å ´ã®çŠ¶æ³ã€ï¼ ITã®ä»Šå¾Œã®ãƒ¡ãƒ‡ã‚£ã‚¢é‹å–¶æ–¹é‡ãªã©ã‚’æ¤œè¨Žã—ãŸçµæžœã€2020å¹´2æœˆ28æ—¥ï¼ˆé‡‘ï¼‰15:00ã‚’ã‚‚ã¡ã¾ã—ã¦QAï¼ ITã®ã‚µãƒ¼ãƒ“ã‚¹ã‚’çµ‚äº†ã™ã‚‹ã“ã¨ã«ã—ã¾ã—ãŸã€‚ ã“ã‚Œã¾ã§ã”åˆ©ç”¨ã‚’ã„ãŸã ãã¾ã—ãŸçš†ã•ã¾ã«ã¯æ®‹å¿µãªãŠçŸ¥ã‚‰ã›ã¨ãªã‚Šã€èª ã«å¿ƒè‹¦ã—ãæ€ã£ã¦ãŠã‚Šã¾ã™ã€‚ä½•ã¨ãžã€ã”ç†è§£ã‚’ã„ãŸã ã‘ã¾ã™ã¨å¹¸ã„ã§ã™ã€‚ QAï¼ ITã®7å¹´é–“ã§çš†ã•ã¾ã®çŸ¥è˜
udzura 2013/09/04
ãµï½

activerecord

rails
ãƒªãƒ³ã‚¯
GitHub - flyerhzm/bullet: help to kill N+1 queries and unused eager loading
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udzura 2013/07/01
gem

activerecord

ruby
ãƒªãƒ³ã‚¯
ActiveRecord::Base.default_timezone ã®åˆæœŸå€¤ - Qiita
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udzura 2013/04/12
ãŠã€ã€ã€ã€ãªã‹ãªã‹å±ãªã„å¤‰æ›´ãŒå…¥ã‚Šãã†

activerecord

timezone

ruby
ãƒªãƒ³ã‚¯
ActiveRecordã®SQLã®å®Ÿè¡Œç®‡æ‰€ã‚’SQLã®ã‚³ãƒ¡ãƒ³ãƒˆã«å…¥ã‚Œã‚‹ - walf443's blog
arproxyã‚’ä½¿ã†ã¨ã€SQLã«ãƒ•ãƒƒã‚¯ã—ã¦è‰²ã€…æ›¸ãã‹ãˆã‚‹ã“ã¨ãŒã§ãã¦éžå¸¸ã«ä¾¿åˆ©ã§ã™ãã€‚ module Arproxy class QueryLocationCommentAppender < Arproxy::Base WHITE_LIST_WORD_RE = %r{^[a-zA-Z0-9\-_/:\?]+$} def execute(sql, name=nil) if ENV["ARPROXY_QUERY_LOCATION"] # SQL Injectionå¯¾ç– # ã‚³ãƒ¡ãƒ³ãƒˆã®é–‰ã˜æ–‡å—ãŒãƒ‘ãƒ©ãƒ¡ãƒ¼ã‚¿ã«å«ã¾ã‚Œã¦ã„ãªã‘ã‚Œã°å¤§ä¸ˆå¤«ãªã¯ãš if ENV["ARPROXY_QUERY_LOCATION"].index("*/").nil? # åˆ¶å¾¡æ–‡å—ã‚„ã€ãƒžãƒ«ãƒãƒã‚¤ãƒˆã®æ–‡å—ã‚’é˜²ããŸã‚ã€æ–‡å—ç¨®ã‚’åˆ¶é™ã™ã‚‹ if ENV["ARPROXY_QUERY_LOCATION"] =~ WHITE_LIST_WO
udzura 2013/03/26
Thread.current[:foo] ã‚ãŸã‚Šã«å…¥ã‚Œã‚‹ã¨ã„ã„ã®ã‹ãª

activerecord

debug

rails

arproxy
ãƒªãƒ³ã‚¯
[Rails] ActiveRecord ã¨DBã®åž‹ã®å¯¾å¿œé–¢ä¿‚
Ruby on Rails ã«ã¦ã€ActiveRecord ã¨DBã®åž‹ã®å¯¾å¿œé–¢ä¿‚ã‚’èª¿ã¹ãŸã®ã§ã”ç´¹ä»‹ã—ã¾ã™ã€‚ â– PostgreSQL Ruby 1.9.2 Rails 3.0.10 PostgreSQL 9.0.4 $ rails console Loading development environment (Rails 3.0.10) ruby-1.9.2-p290 :001 > pp ActiveRecord::Base.connection.native_database_types => { :primary_key=>"serial primary key", :string=>{:name=>"character varying", :limit=>255}, :text=>{:name=>"text"}, :integer=>{:name=>"integer"}, :flo
udzura 2013/01/22
decimalã¯decimalã¨ã„ã†åå‰ã¨ã®ã“ã¨ã§ã™

rails

activerecord

ruby
ãƒªãƒ³ã‚¯
GitHub - bogdan/datagrid: Gem to create tables grids with sortable columns and filters
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udzura 2012/12/27
activerecord

ruby

gems
ãƒªãƒ³ã‚¯
GitHub - fujimura/token_attribute: Macro to generate unique random token attribute for ActiveRecord
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udzura 2012/12/27
ã“ã‚“ãªä¾¿åˆ©ãã†ãªã‚¸ã‚§ãƒ ãŒ

activerecord

gem
ãƒªãƒ³ã‚¯
Blog
What We Know Our key takeaways from partnering with enterprise-level engineering teams. Details How We Ensure Success Our unique and personalized approach to help you achieve your business goals. Details Your SEI Platform Get to know your custom-designed Software Engineering Intelligence (SEI) platform. Details
udzura 2012/10/18
ãŠãŠã€œã„ã„ã¾ã¨ã‚

code

activerecord

design
ãƒªãƒ³ã‚¯
capybaraã‚’webkitã‚„seleniumã¨ã‹ã§å‹•ã‹ã™å ´åˆã®æ³¨æ„ç‚¹ã¨è§£æ±ºç–
â– æ¦‚è¦ capybaraã¨webkit(ãŸã¶ã‚“selenium)ã‚’åˆ©ç”¨ã™ã‚‹éš›ã¯ã€capybaraå´ãŒãƒ–ãƒ©ã‚¦ã‚¶ã¨ã‚„ã‚Šã¨ã‚Šã™ã‚‹ç‚ºã®ã‚¹ãƒ¬ãƒƒãƒ‰ã‚’ç«‹ã¡ä¸Šã’ã‚‹ç‚º RSpec.configure do |config| ... config.use_transactional_fixtures = false end ã—ã¦fixtureã®ãƒˆãƒ©ãƒ³ã‚¶ã‚¯ã‚·ãƒ§ãƒ³åˆ¶å¾¡ã‚’ã‚ãã‚‰ã‚ã‚‹å¿…è¦ãŒã‚ã‚Šã¾ã™ã€‚ã“ã‚Œã§ã¯å°‘ã—éƒ½åˆãŒæ‚ªã„ã®ã§ã€ DatabaseCleanerã‚’åˆ©ç”¨ã—ã¦ä»£ç”¨ã™ã‚‹ç‰è¡Œã†å¿…è¦ãŒã‚ã‚Šã¾ã™ã€‚ ã¨ã“ã‚ãŒrailsã‚³ã‚¢ãƒãƒ¼ãƒ ã®josevalimæ°ãŒè§£æ±ºç–ã‚’ã¼ãã£ã¨ã¤ã¶ã‚„ã„ã¦ã¾ã—ãŸã€‚å®Ÿéš›ã«ã‚„ã£ã¦ã¿ã‚‹ã¨ä¸Šæ‰‹ãå‹•ãã ã‘ã§ãªãå®Ÿè¡Œé€Ÿåº¦ãŒã‹ãªã‚Šæ”¹å–„ã•ã‚Œã¾ã—ãŸã€‚ â– è§£æ±ºç– ã¤ã¶ã‚„ãã§ç´¹ä»‹ã•ã‚Œã¦ã„ã‚‹æ–¹æ³•ã¯éžå¸¸ã«ç°¡å˜ã§ã™ã€‚ spec_helper(test_helper.rb)ã§ä¸‹è¨˜ã®ç”¨ã«è¿½è¨˜ã—ã¾ã—ã‚‡ã†ã€‚ RSpec.config
udzura 2012/07/24
é»’ã„ï¼ˆé”è¡“çš„ãªæ„å‘³ã§

capybara

activerecord

rails
ãƒªãƒ³ã‚¯
find_in_batches (ActiveRecord::Batches) - APIdock
Class methods (1) included (<= v2.3.8) Instance methods (14) act_on_ignored_order act_on_order_or_limit_ignored (<= v5.0.0.1) apply_finish_limit apply_limits apply_start_limit batch_condition batch_on_loaded_relation batch_on_unloaded_relation batch_order (<= v7.0.0) build_batch_orders find_each find_in_batches get_the_order_of_primary_key in_batches = private = protected find_in_batches(start: ni
udzura 2012/05/10
ã“ã‚“ãªã‚“ã‚ã£ãŸã®â€¦â€¦

find

rails

activerecord
ãƒªãƒ³ã‚¯
GitHub - basecamp/marginalia: Attach comments to ActiveRecord's SQL queries
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udzura 2012/04/26
ã‚·ãƒ³ãƒ—ãƒ«

37signals

rails

activerecord
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activerecord-turntable
3. è‡ªå·±ç´¹ä»‹ â€¢ @gussan â€»é¡”å‡ºã—NG â€¢ ã‚½ãƒ¼ã‚·ãƒ£ãƒ«ã‚²ãƒ¼ãƒ åŸºç›¤é–‹ç™ºæœ¬éƒ¨ â€¢ ã‚¢ãƒ¼ã‚ãƒ†ã‚¯ãƒˆ â€¢ ãƒŸãƒ‰ãƒ«ã‚¦ã‚§ã‚¢é¸å®šãƒ»ãƒ©ã‚¤ãƒ–ãƒ©ãƒªé–‹ç™ºç‰ Copyright Â© Drecom Co., Ltd.
udzura 2012/04/11
activerecord

database

sharding
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twiwt.orgÂ -Â ã“ã®ã‚¦ã‚§ãƒ–ã‚µã‚¤ãƒˆã¯è²©å£²ç”¨ã§ã™ï¼Â -Â twiwt ãƒªã‚½ãƒ¼ã‚¹ãŠã‚ˆã³æƒ…å ±
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udzura 2012/03/05
seems very cool

activerecord

gem

i18n
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ActiveRecordã‚’è¤‡æ•°ã‚¹ãƒ¬ãƒƒãƒ‰ç’°å¢ƒã§åˆ©ç”¨ã™ã‚‹ â€” recompile.net
2014å¹´05æœˆ13æ—¥ ActiveRecordã‚’ä½•ã‚‚è€ƒãˆãšã«è¤‡æ•°ã‚¹ãƒ¬ãƒƒãƒ‰ãŒå‹•ä½œã™ã‚‹ç’°å¢ƒã§åˆ©ç”¨ã™ã‚‹ã¨ã€ã‚¹ãƒ¬ãƒƒãƒ‰æ¯Žã«ActiveRecordãŒã‚³ãƒã‚¯ã‚·ãƒ§ãƒ³ã‚’ç¢ºä¿ã—ã‚ˆã†ã¨ã™ã‚‹ã®ã§ã€ãƒ—ãƒ¼ãƒ«ã‚µã‚¤ã‚ºã‚’è¶…ãˆã¦ã‚³ãƒã‚¯ã‚·ãƒ§ãƒ³ãŒç¢ºä¿ã§ããªã„ã¨ã„ã†ã‚¨ãƒ©ãƒ¼ãŒç™ºç”Ÿã™ã‚‹ã€‚ activerecord-4.1.1/lib/active_record/connection_adapters/abstract/connection_pool.rb:190:in `block in wait_poll': could not obtain a database connection within 5.000 seconds (waited 5.001 seconds) (ActiveRecord::ConnectionTimeoutError) ã“ã¡ã‚‰ã¨ã—ã¦ã¯ã‚³ãƒã‚¯ã‚·ãƒ§ãƒ³ãƒ—ãƒ¼ãƒ«ãŒã‚ã‚‹ã®ã ã‹ã‚‰ã€ActiveRecordã®æ–¹ã§ã‚„
udzura 2011/12/09
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activerecord

pool

rdbms
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