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Rails Framework Documentation
Ruby on Rails 7.2.1.1 RDOC_MAIN.md railties/RDOC_MAIN.md Last modified: 2024-10-15 20:45:32 +0000 Welcome to Rails What’s Rails? Rails is a web-application framework that includes everything needed to create database-backed web applications according to the Model-View-Controller (MVC) pattern. Understanding the MVC pattern is key to understanding Rails. MVC divides your application into three laye
INNER JOIN 㧠eager loading - Qiita
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Optimizing Rails for Memory Usage Part 1: Before You Optimize This is part one in a four-part series on optimizing a potentially memory-heavy Rails action without resorting to pagination. The posts in the series are: Part 1: Before You Optimize Part 2: Tuning the GC Part 3: Pluck and Database Laziness Part 4: Lazy JSON Generation and Final Thoughts We recently built an API server for a mobile appl
最近㮠Rack サーãƒäº‹æƒ…ã«ã¤ã„㦠- ãŠã‚‚ã—ã‚webサービス開発日記
先月ã€heroku ã®æŽ¨ã—サーãƒãŒ unicorn ã‹ã‚‰ puma ã«å¤‰ã‚ã£ãŸã¨ã„ã†ç™ºè¡¨ãŒã‚ã‚Šã¾ã—ãŸã€‚unicorn ã ã¨ã‚¹ãƒãƒ¼ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆã®å½±éŸ¿ã‚’å—ã‘ã‚„ã™ã„ã¨ã„ã†ã®ãŒç†ç”±ãªã‚ˆã†ã§ã™ã€‚ ã‚‚ã†å°‘ã—詳ã—ã調ã¹ã¦ã¿ã¾ã—ょã†ã€‚ ãã‚‚ãもスãƒãƒ¼ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆã£ã¦ãªã« ãã®åã®é€šã‚Šé…ã„回線ã®ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆã§ã™ã€‚3G環境ã®ãƒ¢ãƒã‚¤ãƒ«ç«¯æœ«ãªã©ãŒè©²å½“ã—ã¾ã™ã€‚ 「unicorn ã ã¨ã‚¹ãƒãƒ¼ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆã®å½±éŸ¿ã‚’å—ã‘ã‚„ã™ã„ã€ã¨ã¯ unicorn ã¯ãƒ—ãƒã‚»ã‚¹ãƒ¢ãƒ‡ãƒ«ã®ã‚µãƒ¼ãƒã§ã‚ã‚Šã€blocking I/O モデルを採用ã—ã¦ã„ã¾ã™ã€‚ã¤ã¾ã‚Šã€ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆã¨ã®é€šä¿¡ä¸ãƒ—ãƒã‚»ã‚¹ãŒå°‚有ã•ã‚Œã‚‹ã¨ã„ã†ã“ã¨ã§ã™ã€‚ 例ãˆã° unicorn ãŒãƒ¯ãƒ¼ã‚«ãƒ—ãƒã‚»ã‚¹ã‚’3ã¤ç«‹ã¡ä¸Šã’ã¦ã„ã¦ã€ãã“ã¸é€šä¿¡å®Œäº†ã«10分ã‹ã‹ã‚‹ã‚ˆã†ãªã‚¹ãƒãƒ¼ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆãŒ3ã¤æŽ¥ç¶šã•ã‚ŒãŸã‚‰â€¦ã€ç¶šãクライアントã¯ã‚¹ãƒãƒ¼ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆã®é€šä¿¡ãŒå®Œäº†ã™ã‚‹ã¾ã§å®Ÿè¡Œã‚’å¾…ãŸãªã‘ã‚Œã°ãªã‚‰ãªããªã‚Šã¾ã™ã€‚プ
アプリサーãƒãƒ¼å¯¾æ±ºã€€ãƒ‘ート1：主ãªRubyアプリケーションサーãƒãƒ¼ã®æ©Ÿèƒ½æ¯”較 - Engine Yard Blog
本記事ã¯è‹±èªžç‰ˆãƒ–ãƒã‚°ã§å…¬é–‹ã•ã‚ŒãŸè¨˜äº‹ã®ç¿»è¨³ç‰ˆã§ã™ã€‚ 2013å¹´7月ã«ã€ç±³å›½ãƒ†ã‚サス州オースティンã§é–‹å‚¬ã•ã‚ŒãŸLonestar Ruby Conferenceã§ã€Rubyã«ã‚ˆã‚‹ã‚¢ãƒ—リケーションサーãƒãƒ¼ã«ã¤ã„ã¦ãŠè©±ã•ã›ã¦ã„ãŸã ãã¾ã—ãŸã€‚ãã®ä¸ã§ã„ãã¤ã‹ã®Rubyアプリケーションサーãƒãƒ¼ã®ãƒ‘フォーマンスやã€ã•ã¾ã–ã¾ãªçŠ¶æ³ã«ãŠã‘る挙動ã®é•ã„を比較ã—ã¾ã—ãŸã€‚ã“ã®è¨˜äº‹ã§ã¯ã€è¬›æ¼”準備ã¨ã—ã¦è¡Œã£ãŸãƒªã‚µãƒ¼ãƒã®ä¸ã§åˆ†ã‹ã£ãŸã“ã¨ã‚’ã‹ã„ã¤ã¾ã‚“ã§ã”紹介ã—ã¾ã™ã€‚ 実際ã®ã‚«ãƒ³ãƒ•ã‚¡ãƒ¬ãƒ³ã‚¹ã®éŒ²ç”»ã‚’ã”覧ã«ãªã‚ŠãŸã„æ–¹ã¯ã€Confreaksã§å…¬é–‹ã•ã‚Œã¦ã„ã¾ã™ã®ã§ãã¡ã‚‰ã‚’ã”å‚ç…§ãã ã•ã„。テストã«ä½¿ç”¨ã—ãŸç°¡å˜ãªè‡ªä½œã‚¢ãƒ—リケーションã¯GitHubã«ã€è¬›æ¼”スライドã¯Slideshareã«ãã‚Œãžã‚Œå…¬é–‹ã—ã¦ã„ã¾ã™ã€‚ ã“ã®ãƒªã‚µãƒ¼ãƒã¯ã€Passenger 4ã®ãƒ‘フォーマンス評価以外ã™ã¹ã¦2013å¹´7月ã«è¡Œã£ãŸã‚‚ã®ãªã®ã§ã€æƒ…å ±ãŒå¤šå°‘å¤ããªã£ã¦ã„ã‚‹
ActiveSupport::Concern ã§ãƒãƒƒãƒ”ーãªãƒ¢ã‚¸ãƒ¥ãƒ¼ãƒ«ãƒ©ã‚¤ãƒ•ã‚’é€ã‚‹ | TECHSCORE BLOG | TECHSCORE BLOG
ã“ã‚“ã«ã¡ã¯ã€éˆ´æœ¨ã§ã™ã€‚ 以å‰ã®ã‚¨ãƒ³ãƒˆãƒªã§ã€Œincludeã•ã‚ŒãŸæ™‚ã«ã‚¯ãƒ©ã‚¹ãƒ¡ã‚½ãƒƒãƒ‰ã¨ã‚¤ãƒ³ã‚¹ã‚¿ãƒ³ã‚¹ãƒ¡ã‚½ãƒƒãƒ‰ã‚’åŒæ™‚ã«è¿½åŠ ã™ã‚‹é »å‡ºãƒ‘ターンã€ã‚’ã”紹介ã—ã¾ã—ãŸã€‚ 今回ã¯ã€ãã‚Œã«é–¢ã™ã‚‹å®šå½¢å‡¦ç†ã‚’肩代ã‚ã‚Šã—ã¦ãれる ActiveSupport::Concern ã‚’ã”紹介ã—ã¾ã™ã€‚ includeã•ã‚ŒãŸæ™‚ã«ã‚¯ãƒ©ã‚¹ãƒ¡ã‚½ãƒƒãƒ‰ã¨ã‚¤ãƒ³ã‚¹ã‚¿ãƒ³ã‚¹ãƒ¡ã‚½ãƒƒãƒ‰ã‚’åŒæ™‚ã«è¿½åŠ ã™ã‚‹ãƒ‘ターン Before 以å‰ã®ã‚¨ãƒ³ãƒˆãƒªï¼ˆincludeã•ã‚ŒãŸæ™‚ã«ã‚¯ãƒ©ã‚¹ãƒ¡ã‚½ãƒƒãƒ‰ã¨ã‚¤ãƒ³ã‚¹ã‚¿ãƒ³ã‚¹ãƒ¡ã‚½ãƒƒãƒ‰ã‚’åŒæ™‚ã«è¿½åŠ ã™ã‚‹é »å‡ºãƒ‘ターン）ã§ã”紹介ã—ã¦ã„ã¾ã™ãŒã€ãŠã•ã‚‰ã„ã—ã¾ã—ょã†ã€‚ module M def self.included(base) base.extend(ClassMethods) end module ClassMethods def foo puts 'foo' end end def bar puts 'bar' end end
ActiveSupport::Concern ã¨ã€Module#concerning - Qiita
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Active Record クエリインターフェイス - Railsガイド
1 Active Recordクエリインターフェイスã¨ã¯ï¼Ÿ 生ã®SQLを使ã£ã¦ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã®ãƒ¬ã‚³ãƒ¼ãƒ‰ã‚’検索ã™ã‚‹ã“ã¨ã«æ…£ã‚ŒãŸäººãŒRailsã«å‡ºä¼šã†ã¨ã€Railsã§ã¯åŒã˜æ“作をãšã£ã¨æ´—ç·´ã•ã‚ŒãŸæ–¹æ³•ã§å®Ÿç¾ã§ãã‚‹ã“ã¨ã«æ°—付ãã§ã—ょã†ã€‚Active Recordを使ã†ã“ã¨ã§ã€SQLã‚’ç›´ã«å®Ÿè¡Œã™ã‚‹å¿…è¦ã¯ã»ã¼ãªããªã‚Šã¾ã™ã€‚ Active Recordã¯ã€ãƒ¦ãƒ¼ã‚¶ãƒ¼ã«ä»£ã‚ã£ã¦ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã«ã‚¯ã‚¨ãƒªã‚’発行ã—ã¾ã™ã€‚発行ã•ã‚Œã‚‹ã‚¯ã‚¨ãƒªã¯å¤šãã®ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã‚·ã‚¹ãƒ†ãƒ （MySQLã€MariaDBã€PostgreSQLã€SQLiteãªã©ï¼‰ã¨äº’æ›æ€§ãŒã‚ã‚Šã¾ã™ã€‚Active Recordを使ãˆã°ã€åˆ©ç”¨ã—ã¦ã„るデータベースシステムã®ç¨®é¡žã«ã‹ã‹ã‚らãšåŒã˜è¨˜æ³•ã‚’使ãˆã¾ã™ã€‚ 本ガイドã®ã‚³ãƒ¼ãƒ‰ä¾‹ã§ã¯ä»¥ä¸‹ã®ãƒ¢ãƒ‡ãƒ«ã‚’使ã„ã¾ã™ã€‚ class Book < ApplicationRecord belongs_to :supplier belong
Rubyã®ãƒªãƒ•ãƒ¬ã‚¯ã‚·ãƒ§ãƒ³ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã¾ã¨ã‚ -- ãºã‘ã¿ã•ãŠ
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テスト書ãã™ãŽå•é¡Œ - hitode909ã®æ—¥è¨˜ 階層ãŒå¢—ãˆã‚‹ã¨ãƒ†ã‚¹ãƒˆãŒå¢—ãˆã‚‹ - ã¯ã“ã¹ãƒ–ãƒã‚° ♨ テストã¨å¯¾å¿œé–¢ä¿‚ - $shibayu36->blog; 最近書ã„ã¦ã„ã‚‹Webアプリã¯ã€HTTPリクエストをé€ã£ã¦ãƒ¬ã‚¹ãƒãƒ³ã‚¹ã¨çŠ¶æ…‹ã‚’テストã™ã‚‹ã€ã¨ã„ã†ãƒ†ã‚¹ãƒˆã ã‘書ãよã†ã«ã—ã¦ã‚‹ã€‚リクエストã™ã‚‹ã¨ãƒ–ãƒã‚°ã‚¨ãƒ³ãƒˆãƒªã‚’è¿”ã™ã€ã¨ã„ã†ã‚µãƒ¼ãƒ“スã ã¨ã“ã†ã„ã†é¢¨ãªãƒ†ã‚¹ãƒˆã‚’書ã„ã¦ã‚‹ã€‚(HTMLã‚’è¿”ã™ã‚ˆã†ã«ã™ã‚‹ã¨è©±ãŒåºƒãŒã£ã¦èª¬æ˜ŽãŒé¢å€’ãªã®ã§JSONã‚’è¿”ã™APIã§èª¬æ˜Žã™ã‚‹) describe "Entry resource" do let(:params) do {} end let(:env) do { "HTTP_AUTHORIZATION" => "Bearer: #{access_token.token}" } end let(:access_token) do AccessToken.make(user
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Better Specs { rspec guidelines with ruby }
translations Documentation RSpec is a great tool in the behavior-driven development (BDD) process of writing human readable specifications that direct and validate the development of your application. On the web there are many resources that give complete overview of _what_ you can do with RSpec. But there are fewer resources devoted to how to create a great RSpec test suite. Better Specs tries to
RSpecã®å…¥é–€ã¨ãã®ä¸€æ©å…ˆã¸ ～RSpec 3ãƒãƒ¼ã‚¸ãƒ§ãƒ³ï½ž - Qiita
ã¯ã˜ã‚㫠有åãªåˆå¿ƒè€…å‘ã‘ã®RSpec入門記事ã¨ã—ã¦ã€å’Œç”°å“人ã•ã‚“(@t_wada)ã®ã€ŒRSpec ã®å…¥é–€ã¨ãã®ä¸€æ©å…ˆã¸ã€ã¨ã„ã†è¨˜äº‹ãŒã‚ã‚Šã¾ã™ã€‚ 僕もRSpecã‚’å…¨ã知らãªã‹ã£ãŸé ƒã«å‚考ã«ã•ã›ã¦ã‚‚らã„ã¾ã—ãŸã€‚ 今èªã‚“ã§ã‚‚ã¨ã¦ã‚‚ç´ æ™´ã‚‰ã—ã„資料ãªã®ã§ã™ãŒã€RSpecã®ãƒãƒ¼ã‚¸ãƒ§ãƒ³ãŒå¤ãã€ç¾çŠ¶ã®æ›¸ãæ–¹ã¨ãƒžãƒƒãƒã—ãªããªã£ã¦ãã¦ã„ã‚‹ã®ãŒå°‘ã—ã‚‚ã£ãŸã„ãªã„ã¨ã“ã‚ã§ã™ã€‚ ãã“ã§ã€ã“ã®è¨˜äº‹ã§ã¯å’Œç”°ã•ã‚“ã®è¨˜äº‹ã‚’RSpec 3ãƒãƒ¼ã‚¸ãƒ§ãƒ³ã«æ›¸ãç›´ã—ã¦ã¿ã‚ˆã†ã¨æ€ã„ã¾ã™ã€‚ å„イテレーション(RSpec 3ãƒãƒ¼ã‚¸ãƒ§ãƒ³)ã¸ã®ãƒªãƒ³ã‚¯ 第1イテレーション(本記事) 第2イテレーション 第3イテレーション ソースコードã®URL https://github.com/JunichiIto/rspec3-for-beginners/tree/end_of_iter1 本記事ã®ãƒ©ã‚¤ã‚»ãƒ³ã‚¹ã«ã¤ã„㦠本記事㯠クリエイティブ・コモンズ 表
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(Last Updated On: 2018å¹´10月7æ—¥)Railsã§å¤šç”¨ã•ã‚Œã¦ã„ã‚‹ActiveRecordã®ã‚¤ãƒ³ã‚¸ã‚§ã‚¯ã‚·ãƒ§ãƒ³ãƒ‘ターンを簡å˜ã«ç´¹ä»‹ã—ã¾ã™ã€‚出典ã¯rails-sqli.orgãªã®ã§ã‚ˆã‚Šè©³ã—ã„解説ã¯ã“ã¡ã‚‰ã§ç¢ºèªã—ã¦ãã ã•ã„。特ã«æ°—ã‚’ã¤ã‘ã‚‹å¿…è¦ãŒã‚ã‚‹ã¨æ€ã‚れる物ã®ã¿ã‚’ピックアップã—ã¾ã—ãŸã€‚ Exists?メソッド User.exists? params[:user] params[:user]ãªã©ã®ä½¿ã„æ–¹ã¯å±é™ºã§ã™ã€‚Railsã¯PHPãªã©ã¨åŒæ§˜ã«user[]ã¨ã„ã†ãƒ‘ラメーターã§é…列化ã—ã¾ã™ã€‚ ?user[]=1 ãŒå…¥åŠ›ã®å ´åˆã€ SELECT 1 AS one FROM "users" WHERE (1) LIMIT 1 ã¨ãªã‚Šä¸æ£ãªã‚¯ã‚¨ãƒªãŒå®Ÿè¡Œã•ã‚Œã¾ã™ã€‚ Calculateメソッド Calculateメソッドã¯SQLã®é›†ç´„関数を実行ã™ã‚‹ãƒ¡ã‚½ãƒƒãƒ‰ã§ã™ã€‚averageã€calcula
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rails-style-guide/README-jaJA.md at master · satour/rails-style-guide
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