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→ Eager Loading (preloading) - 3 ways to do it in Rails 3, 4, 5 and 6
3 ways to do eager loading (preloading) in Rails 3, 4, 5 and 6 … and check why 5600+ Rails engineers read also this 3 ways to do eager loading (preloading) in Rails 3, 4, 5 and 6 You are probably already familiar with the method #includes for eager loading data from database if you are using Rails and ActiveRecord. But do you know why you someties get few small and nice SQL queries and sometimes o
「è¨å®šã€ã‚’è¨è¨ˆã™ã‚‹ãŸã‚ã®è³‡æ–™ - Hibariya
プãƒã‚°ãƒ©ãƒ ã¯ã€ãªã‚‹ã¹ã何もã—ãªãã¦ã‚‚良ã„æ„Ÿã˜ã«å‹•ã„ã¦ãれるã®ãŒç†æƒ³çš„ã ã‘ã©ã€å®Ÿéš›ã«ã¯ä½•ã‚‰ã‹ã®ã‹ãŸã¡ã§ãƒ¦ãƒ¼ã‚¶ã®è¨å®šã‚’å¿…è¦ã¨ã™ã‚‹ã“ã¨ãŒã‚る。 Rails を使ã†ã¨ã㯠config/application.rb ã§ã‚¿ã‚¤ãƒ ゾーンを指定ã—ãŸã‚Šã€DB ã¸æŽ¥ç¶šã™ã‚‹ãŸã‚ã®æƒ…å ±ã‚’ config/database.yml ã«æŒ‡å®šã™ã‚‹ã€‚ Bundler ã®æŒ™å‹•ã‚’変ãˆãŸã‘れ㰠bundle config ã§è¨å®šã‚’変更ã™ã‚‹ã€‚ Gem をインストールã™ã‚‹ã¨ãã«æ¯Žå›žæŒ‡å®šã—ãŸã„オプションãŒã‚ã‚Œã°ã€~/.gemrc ã«è¿½è¨˜ã™ã‚‹ã€‚ ã‚‚ã—自分ã®é–¢ã‚るプãƒãƒ€ã‚¯ãƒˆã«ã€Œè¨å®šã€ã®APIãŒå¿…è¦ã«ãªã£ãŸã¨ãã€ä½•ã‚’判æ–ã®åŸºæº–ã«ã—ã¦è¨è¨ˆã™ã‚Œã°ã„ã„ã ã‚ã†ã€‚ ã¡ã‚‡ã£ã¨è¿‘所を見渡ã™ã ã‘ã§ã‚‚ã€ã€Œè¨å®šã€ã®ã‚„ã‚Šæ–¹ã«ã¯è‰²ã€…ã‚ã‚Šãã†ã 。 è¨å®šã¨ã„ã†è¦–点ã‹ã‚‰ã€Rubyist ã«ã¨ã£ã¦èº«è¿‘ãªãƒ—ãƒãƒ€ã‚¯ãƒˆãŸã¡ã‚’資料ã¨ã—ã¦çœºã‚ã¦ã¿ãŸã€‚ (NOTE: ã¡ã‚‡ã£ã¨æ‚©ã¿ãªãŒ
easy cheasy realtime log tailing in a rails admin view
in our rails apps we always have an '/su' or 'super user' section. we dump stuff like reports into that backend. recently i needed to allow super users to view logs in realtime from the browser (to assist debugging firewall issues for a license server we built). i considered doing something clever like websockets and then i became sane and just decided to do the simplest thing that could possibly
パーフェクトRuby on Railsã¨ã„ã†æœ¬ãŒå‡ºã¾ã™ã€‚ - ãƒãƒ¼ãƒ•ã‚¡ã‚¤æ—¥è¨˜
標題ã®é€šã‚Šæœ¬ãŒå‡ºã¦ã€ãã‚Œã«é–¢ã‚ã£ã¦ã„ã¾ã™ã€‚ ã¾ãšã¯ã€å…±è‘—者諸æ°ã®è¨˜äº‹ãã®ä»–ã‚’ã”å‚ç…§ãã ã•ã„。 パーフェクトãªRailsã®æœ¬ã‚’書ãã¾ã—㟠- joker1007ã®æ—¥è¨˜ パーフェクト Ruby on Rails ã¨ã„ã†æœ¬ã‚’書ãã¾ã—㟠- willnet.in Twitter / Search - #sugamasao_sushi 本ã®å£²ã‚Šã¨ã‹ willnetã•ã‚“ã¨jokerã•ã‚“ã®ã‚¨ãƒ³ãƒˆãƒªã®é€šã‚Šãªã‚“ã§ã™ãŒã€Rails 4.1ã«æ»‘ã‚Šè¾¼ã¿ã§å¯¾å¿œã—ãŸã“ã¨ã¯ã‚ã‚Šã¾ã™ã€‚ã‚ã¨ä½•ã‚ˆã‚Šã€æ•¢ãˆã¦å†…容ã«ã€Œç¾å ´ã£ã½ã„ã€ä»•äº‹ã§ãšã£ã¨ä½¿ã£ã¦ã„ãŸã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢ã®è¦³ç‚¹ã£ã½ã„ã€ãƒã‚¤ã‚¢ã‚¹ã‚’掛ã‘ã¦ã„ã‚‹ã¨ã“ã‚ã ã¨æ€ã„ã¾ã™ã€‚ 個人的ã«ã¯ã€ä»Šã¾ã§æ›¸ç±ã¨ã„ã†å½¢ã§ã¯å–ã‚Šã“ã¼ã—ã¦ã„ãŸã‚ˆã†ãªRailsã®ãƒ•ã‚£ãƒ¼ãƒãƒ£ãƒ¼ã®èª¬æ˜Žã¨ã‹ã€ä¸ç›¤ã€ã‚る程度ãã£ã¡ã‚Šã—ãŸã‚¢ãƒ—リã®è¨è¨ˆã€ã‚³ãƒ¼ãƒ‡ã‚£ãƒ³ã‚°ã€ãƒ†ã‚¹ãƒˆã€ã‚µãƒ¼ãƒã®ãƒ—ãƒãƒ“ジョニングã€ãƒ‡ãƒ—ãƒã‚¤ã€ç›£è¦–è¨å®šã¾ã§ã‚’一気通貫ã§ã‚„
[ruby] Ruby 2.1 ã®ã‚µãƒ–メンテナã«ãªã‚Šã¾ã—ãŸã®ãŠçŸ¥ã‚‰ã› - HsbtDiary(2014-05-01)
â– [ruby] Ruby 2.1 ã®ã‚µãƒ–メンテナã«ãªã‚Šã¾ã—ãŸã®ãŠçŸ¥ã‚‰ã› メインメンテナ㯠@nagachika ã•ã‚“ã§ã™ã€‚ 今ã¾ã§ Ruby 㯠stable branch ã«ãƒ¡ãƒ³ãƒ†ãƒŠãŒä¸€äººã¨ã„ã†é–‹ç™ºä½“制をå–ã£ã¦ã„ãŸã‚“ã§ã™ãŒã€ä¸€äººã¨ã„ã†ã®ã¯ãƒ¡ãƒ³ãƒ†ãƒŠãƒ³ã‚¹ãƒãƒªã‚·ãƒ¼ã‚’ã¯ã£ãã‚Šã•ã›ã¦ç²›ã€…ã¨ä½œæ¥å‡ºæ¥ã‚‹ã¨ã„ã†ãƒ¡ãƒªãƒƒãƒˆãŒã‚る一方ã§ã€ç·Šæ€¥ãƒªãƒªãƒ¼ã‚¹ãŒå¿…è¦ãªäº‹æ…‹ã§ã‚‚作æ¥ã®ãƒªã‚½ãƒ¼ã‚¹ãŒç¢ºä¿ã§ããªã„ã¨ãƒªãƒªãƒ¼ã‚¹ã™ã‚‹ã“ã¨ãŒã§ããªã„ã¨ã„ã†ãƒ‡ãƒ¡ãƒªãƒƒãƒˆã‚‚å˜åœ¨ã—ã¦ã„ã¾ã—ãŸã€‚ ãã“ã§ä»Šå›žãƒãƒƒã‚¯ãƒãƒ¼ãƒˆã‚„リリースã«ã¤ã„ã¦ã¯ã€ãƒ¡ã‚¤ãƒ³ãƒ¡ãƒ³ãƒ†ãƒŠã®æ‰¿èªã‚’å¾—ãŸä¸Šã§åƒ•ãŒã§ãるよã†ã«ãªã‚Šã¾ã—ãŸã€‚ãªã®ã§ã€ãƒ¡ã‚¸ãƒ£ãƒ¼OSã«å«ã¾ã‚Œã¦ã„ã‚‹ readline ã®ãƒãƒ¼ã‚¸ãƒ§ãƒ³ãŒåŽŸå› ã§ãƒ“ルド出æ¥ãªã„ã€ã¿ãŸã„ãªå•é¡ŒãŒç™ºç”Ÿã—ãŸå ´åˆã‚‚ãã‚Œã ã‘ç›´ã—ãŸãƒãƒ¼ã‚¸ãƒ§ãƒ³ãŒãƒªãƒªãƒ¼ã‚¹ã•ã‚Œã‚‹å¯èƒ½æ€§ãŒã¡ã‚‡ã£ã¨ã ã‘高ããªã‚Šã¾ã—ãŸã€‚ ãれ以外ã«ã‚‚安定版をもã£ã¨æ°—軽ã«ãƒªãƒªãƒ¼ã‚¹ã§ãるよã†ã«ã€å¤šæ•°
![[ruby] Ruby 2.1 ã®ã‚µãƒ–メンテナã«ãªã‚Šã¾ã—ãŸã®ãŠçŸ¥ã‚‰ã› - HsbtDiary(2014-05-01)](https://cdn-ak-scissors.b.st-hatena.com/image/square/8cab6183abe73ade0ce0a24c302ac36ee5c17b43/height=288;version=1;width=512/https%3A%2F%2Fwww.hsbt.org%2Fdiary%2Ftheme%2Fogimage.png)
Speeding up Rails apps by tuning the Ruby GC - Tony's Place
Ever since moving to Ruby 1.9 I’ve suffered through slow startup times with Rails apps. The first improvement came when a patch to require was included in 1.9.3. This sped things up a bit but for some reason the GC configs have escaped my radar until now. Rather than blindly use the configuration variables that have been posted around I wanted to understand them a little before implementing them.
Rubyã®ãƒãƒ¼ã‚«ãƒ«å¤‰æ•°ã‚’シンタクスãƒã‚¤ãƒ©ã‚¤ãƒˆã™ã‚‹Vimプラグインを書ã„㟠- TODESKING
Rubyã¯ãƒãƒ¼ã‚«ãƒ«å¤‰æ•°ã¸ã®å‚ç…§ã¨ç„¡å¼•æ•°ã®ãƒ¡ã‚½ãƒƒãƒ‰å‘¼ã³å‡ºã—ã‚’åŒã˜è¨˜æ³•ã§æ›¸ã‘ã‚‹ã®ã§ã€ã‚³ãƒ¼ãƒ‰ã‚’èªã‚€ã¨ãã«æ··ä¹±ã—ãŸã‚Štypoã§NoMethodErrorを出ã—ã¦ãŒã£ã‹ã‚Šã™ã‚‹ã“ã¨ãŒå¤šã€…ã‚ã‚Šã¾ã™ã€‚ 幸ã„ãªã“ã¨ã«ã“れらã¯é™çš„ã«è§£æžã™ã‚‹ã“ã¨ãŒã§ãã‚‹ã®ã§ã€ãƒãƒ¼ã‚«ãƒ«å¤‰æ•°ã¸ã®å‚照を色付ã‘ã™ã‚‹Vimプラグインを書ã„ãŸã€‚ Github/ruby_hl_lvar.vim ã™ã”ã便利ãªæ°—ãŒã™ã‚‹ï¼ï¼ï¼ï¼ï¼ï¼ï¼ Rubyインタフェース(>=1.9)ãŒæœ‰åŠ¹ã«ãªã£ãŸVimãŒå¿…è¦ãªã®ã§ã”注æ„ãã ã•ã„。MacVim 7.4 KaoriYa 20140107ã§å‹•ä½œç¢ºèªã—ã¾ã—ãŸã€‚ ã—ãã¿ Ruby1.9以é™ã«æ¨™æº–添付ã•ã‚Œã¦ã„ã‚‹ripperã¨ã„ã†ãƒ©ã‚¤ãƒ–ラリã§ã€Rubyã®æ§‹æ–‡è§£æžã‚’ã—ã¦ãƒãƒ¼ã‚«ãƒ«å¤‰æ•°ã¸ã®å‚照をå–り出ã—ã¦ã„ã¾ã™ã€‚ require 'ripper' Ripper.sexp(<<EOS) a = 10 b = 20 c = a +
Riot - Ruby Testing Framework
Getting Started I want to get this out of the way right now, in contrast to other popular Ruby testing frameworks such as Test::Unit, Shoulda and RSpec, Riot does not run a setup and teardown sequence before and after each test 1. This speeds up test execution quite a bit, but also changes how you write your tests. In general and in my opinion, you should avoid mutating any objects under test and
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目次 ã¯ã˜ã‚ã« Abstract Classパターン Abstract ClassパターンRuby版 (by 助田雅紀ã•ã‚“) Balkingパターン Before/Afterパターン Futureパターン FutureパターンRuby版 (by 助田雅紀ã•ã‚“) Generation Gapパターン Hook Operationパターン Hook OperationパターンRuby版 (by 助田雅紀ã•ã‚“) Immutableパターン Marker Interfaceパターン Monostateパターン MonostateパターンRuby版 (by 助田雅紀ã•ã‚“) MonostateパターンPerl版 (by å®®å·ã•ã‚“) Null Objectパターン Null Objectパターンã¨Singletonパターン Producer-Consumerパターン Sharableパターン Singl
The Road to Passenger 3: Technology Preview 2 – Stability, robustness, availability, self-healing
In Technology Preview 1 we’ve shown that Phusion Passenger 3 can be up to 55% faster on OS X. Performance is good and all, but it won’t do you any good unless the software keeps running. When Phusion Passenger goes down it’s an annoyance at best, but in the worst case any amount of down time can cost your organization real money. Any HTTP request that’s dropped can mean a lost transaction. Althoug
Rils4㧠Russian Doll Caching を楽ã—ã‚€ãŸã‚ã®ã¾ã¨ã‚ [俺ã®å‚™å¿˜éŒ²]
Google+ボタン ã¯ã¦ãªãƒ–ックマークボタン 更新日時: 2014å¹´01月11日（土） 作æˆæ—¥æ™‚: 2013å¹´11月12日（ç«ï¼‰ å‰ã®è¨˜äº‹ / 次ã®è¨˜äº‹ Rails4ã§ã¯å¾“æ¥ã® page cache ã‚„ action cache ã¯å»ƒæ¢ã•ã‚Œã€ デフォルトã®ã‚ャッシュ機構ã¨ã—ã¦ã¯ã€Rails3ã¾ã§ã® fragment cache ã®ã‚ˆã†ãªã‚‚ã®ã ã‘ãŒä½¿ãˆã‚‹ã€‚ Rails4ã®ã“ã®ã‚ャッシュ機構ã¯ä»Šã®ã¨ã“ã‚ RussianDollCachingã€cache_digestsã€fragment cache ç‰ã¨ 呼ã°ã‚Œã¦ã„ã‚‹ã¿ãŸã„ã ã‘ã©æŒ‡ã—示ã™ã‚‚ã®ã¯å…¨éƒ¨åŒã˜ã‚‚ã®ã€‚ ã¨ã„ã†ã‹æœ€åˆåˆ¥ã€…ã®ä½•ã‹ã ã¨æ€ã£ã¦ã¦ç„¡é§„ã«åµŒã¾ã£ãŸã€‚ Rails4ã§å†…部的ã«ä½¿ã‚ã‚Œã¦ã„ã‚‹gemãŒã€ 従æ¥ã®Railsã«ãŠã‘ã‚‹ fragment cache を進化ã•ã›ãŸ cache_digests ã§ã‚り〠cache_digestsã®ä»•çµ„
Exceptional Ruby
By the end of this talk you should: Understand the mechanics of Ruby failure handling Be able to architect a robust failure handling strategy For apps or libraries. Be exceptionally bored This talk is about failure Exceptions are how we signal failures Failures are often caused by errors So what is a failure?
Rubyã«ãŠã‘ã‚‹raiseã¨failã®ä½¿ã„分ã‘ã«ã¤ã„ã¦ã€‚ - Sooey
Rubyã«ãŠã‘ã‚‹raiseã¨failã®ä½¿ã„分ã‘ã«ã¤ã„ã¦ã€‚ 久々ã«rubocopã‚’å‹•ã‹ã—ãŸã‚‰ã€ app/models/user.rb:139:7: C: Use `fail` instead of `raise` to signal exceptions. raise Exceptions::AlreadyChecked, msg ^^^^^ ã“ã‚“ãªæ„Ÿã˜ã§ã€raiseã˜ã‚ƒãªãã¦failを使ãˆã€ã¿ãŸã„ãªè¦å‘ŠãŒçµæ§‹å‡ºãŸã€‚ 2ã¤ã®ã‚ーワードã®ä½¿ã„分ã‘ã«ã¤ã„ã¦ã¡ã‚‡ã£ã¨èª¿ã¹ã¦ã¿ãŸã¨ã“ã‚ã€Exceptional Rubyã¨ã„ã†ã‚¹ãƒ©ã‚¤ãƒ‰ã®10枚目「raise (or fail)ã€ã«ã¦ã€Jim Weirichæ°ã«ã‚ˆã‚‹ä»¥ä¸‹ã®ã‚ˆã†ãªã‚³ãƒ¡ãƒ³ãƒˆãŒå¼•ç”¨ã•ã‚Œã¦ã„ãŸã€‚ I almost always use the "fail" keyword… the only time I use "raise" is when I
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mobylette-gem-ruby-rails-mobile
Sider Review
GitHub - evrone/quiet_assets: DEPRECATED: As of sprockets-rails version 3.1.0, used in current versions of rails, this gem is deprecated
Fast JSON APIs in Rails with Key-Based Caches and ActiveModel::Serializers
Presenters: for a more object oriented view approach (and a better testing)!
GitHub - trailblazer/roar: Parse and render REST API documents using representers.
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