Embedding it into Ruby code
the lite-ist stack: rails, sqlite, litestack, litestream, and fly
the lite-ist stack: rails, sqlite, litestack, litestream, and fly one of my favorite technologies is sqlite. it lets us build apps with fewer dependencies and less devops, which i love. you can run it in memory to create db-backed ruby scripts in a standalone file. i’m a fan of sqlite’s origin story (i started my career working for the navy and dod). i get an irrational kick out of being able to s
Rails: ãƒãƒƒã‚·ãƒ¥ã®ãƒžãƒ¼ã‚¸ã‚’with_defaultsメソッドã§æ˜Žå¿«ã«æ›¸ã“ã†ï¼ˆç¿»è¨³ï¼‰ï½œTechRacho by BPSæ ªå¼ä¼šç¤¾
æ¦‚è¦ åŽŸè‘—è€…ã®è¨±è«¾ã‚’å¾—ã¦ç¿»è¨³ãƒ»å…¬é–‹ã„ãŸã—ã¾ã™ã€‚ 英語記事: For clarity merging hashes use with_defaults - Andy Croll 原文公開日: 2023/11/20 原著者: Andy Croll Railsã¯ã€å¯èªæ€§ã‚’高ã‚ã‚‹ãŸã‚ã«Active Supportã§æ—¢å˜ã®ã‚³ã‚¢Rubyクラスã«å¤šãã®ãƒ¡ã‚½ãƒƒãƒ‰ã‚’è¿½åŠ ã™ã‚‹ã“ã¨ã§çŸ¥ã‚‰ã‚Œã¦ã„ã¾ã™ã€‚Hashクラスã®with_defaultsメソッドもãã®1ã¤ã§ã™ã€‚with_defaultsメソッドã¯ã€åˆ¥é€”è¿½åŠ æ¸ˆã¿ã®reverse_mergeメソッドã®ã‚¨ã‚¤ãƒªã‚¢ã‚¹ãªã®ã§ã€ã“ã®åå‰ãŒå‹•ä½œã‚’知る手ãŒã‹ã‚Šã¨ãªã‚‹ã¯ãšã§ã™ã€‚ reverse_mergeメソッドã®ã‚½ãƒ¼ã‚¹ã‚³ãƒ¼ãƒ‰ã‚’見るã¨ã‚ã‹ã‚‹ã‚ˆã†ã«ã€å®Ÿè£…ã¯å®Ÿã«ç°¡ç´ ã§ã™ã€‚ 🔗 以下ã®ã‚ˆã†ã«æ›¸ãよりも デフォルト値をHash#mergeã§è¿½åŠ ã™ã‚‹ã€‚ user_provided =
Arel cheatsheet
users.where(users[:name].eq('amy')) # SELECT * FROM users WHERE users.name = 'amy' basic join In ActiveRecord (without Arel), if :photos is the name of the association, use joins users.joins(:photos) In Arel, if photos is defined as the Arel table, photos = Photo.arel_table users.join(photos) users.join(photos, Arel::Nodes::OuterJoin).on(users[:id].eq(photos[:user_id])) join with conditions users.
Devhints — TL;DR for developer documentation
Rico's cheatsheets Hey! I'm @rstacruz and this is a modest collection of cheatsheets I've written. bash Bash scripting enzyme Enzyme es6 ES2015+ go Go react React.js sass Sass vim Vim xpath Xpath Recently updated jsdoc Jsdoc packs Packs (ruby) polyfill.io Polyfill.io tmux tmux docker-compose docker-compose cron Cron yum YUM screen Screen clip Command Line Interface Pages tig Tig tar tar atom Atom
Rails: Evil MartiansãŒä½¿ã£ã¦é¸ã³æŠœã„ãŸå¤¢ã®gem -- 2024年度版（翻訳）｜TechRacho by BPSæ ªå¼ä¼šç¤¾
æ¦‚è¦ å…ƒã‚µã‚¤ãƒˆã®è¨±è«¾ã‚’å¾—ã¦ç¿»è¨³ãƒ»å…¬é–‹ã„ãŸã—ã¾ã™ã€‚ 英語記事: Gemfile of dreams: the libraries we use to build Rails apps—Martian Chronicles, Evil Martians’ team blog 原文更新日: 2024/05/28 原著者: Vladimir Dementyev（首å¸ãƒãƒƒã‚¯ã‚¨ãƒ³ãƒ‰ã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢ï¼‰ã€Travis Turner（技術記事編集者） サイト: Evil Martians -- ニューヨークやãƒã‚·ã‚¢ã‚’ä¸å¿ƒã«æ‹ 点を構ãˆã‚‹Ruby on Rails開発会社ã§ã™ã€‚良質ã®ãƒ–ãƒã‚°è¨˜äº‹ã‚’多数公開ã—ã€å¤šãã®gemã®ã‚¹ãƒãƒ³ã‚µãƒ¼ã§ã‚‚ã‚ã‚Šã¾ã™ã€‚ 日本語ブãƒã‚°: åˆåŒä¼šç¤¾ã‚¤ãƒ¼ãƒ“ルマーシャンズ - Qiita 日本語タイトルã¯å†…容ã«å³ã—ãŸã‚‚ã®ã«ã—ã¾ã—ãŸã€‚ã¾ãŸã€gemã”ã¨ã«GitHubリãƒã‚¸ãƒˆãƒªã¸ã®ãƒªãƒ³ã‚¯ã‚«ãƒ¼ãƒ‰ã‚‚è¿½åŠ ã—ã¦ã‚
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ã¾ãˆãŒã 本記事ã¯ã€ç§ãŒRailsConf 2019ã§è©±ã—ãŸã€ŒTerraforming legacy Rails applicationsã€â†‘ã®ã€ã„ã‚ã°Bé¢ã«ç›¸å½“ã—ã¾ã™ã€‚ã“ã®è¨˜äº‹ã‚’èªã‚“ã§ã€çš†ã•ã‚“ãŒã‚¢ãƒ—リケーション開発をDockerã«ä¹—ã‚Šæ›ãˆã‚‹ã¨ã¾ã§ã¯è€ƒãˆã¦ã„ã¾ã›ã‚“（皆ã•ã‚“ãŒä»¥ä¸‹ã®å‹•ç”»ã§è‹¥å¹²è¨€åŠã—ã¦ã„ã‚‹ã®ã‚’ã”覧ã«ãªã£ã¦ã„ãŸã¨ã—ã¦ã‚‚）。本記事ã®ç‹™ã„ã¯ã€ç§ãŒç¾åœ¨ã®Railsプãƒã‚¸ã‚§ã‚¯ãƒˆã§ç”¨ã„ã¦ã„ã‚‹è¨å®šã‚’皆ã•ã‚“ã¨å…±æœ‰ã™ã‚‹ã“ã¨ã§ã™ã€‚ãれらã®Railsプãƒã‚¸ã‚§ã‚¯ãƒˆã¯ã€Evil Martiansã®production development環境ã§ç”Ÿã¾ã‚ŒãŸã‚‚ã®ã§ã™ã€‚ã©ã†ãžã”自由ã«ãŠä½¿ã„ãã ã•ã„。 原文å…è²¬äº‹é …: 英語版記事ã¯æœ€æ–°ã®æŽ¨å¥¨äº‹é …ã«åˆã‚ã›ã¦æ›´æ–°ã‚’ç¹°ã‚Šè¿”ã—ã¦ã„ã¾ã™ã€‚詳ã—ãã¯è¨˜äº‹æœ«å°¾ã®Changelogã‚’ã”覧ãã ã•ã„（å‚考: 原文Changelog）。 ç§ãŒdevelopment環境ã§Dockerを使
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ISUCON6 予é¸ã§å¾—ãŸçŸ¥è¦‹ã‚„ノウãƒã‚¦ãªã©ï¼ˆãƒ‡ã‚ル ISUCON スタイル） - ã ã‚‹ã„
今回ã®åˆæœŸæ§‹æˆã¯ 3 ã¤ã®ãƒžã‚¤ã‚¯ãƒã‚µãƒ¼ãƒ“スã§æ§‹æˆã•ã‚Œã‚‹ã‚¦ã‚§ãƒ–アプリケーションã§ã—ãŸã€‚ãã®ã†ã¡ 2 ã¤ã¯ä¾‹å¹´é€šã‚Šå„言語ã§ã®å®Ÿè£…ãŒç”¨æ„ã•ã‚Œã¦ã„ã¾ã—ãŸãŒã€3 ã¤ç›®ã¯å˜ã«ã‚³ãƒ³ãƒ‘イル済ãƒã‚¤ãƒŠãƒªãŒç½®ã„ã¦ã‚ã‚‹ã ã‘ã¨ã„ã†æ„Ÿã˜ã§ã—ãŸã€‚ãã®ãŸã‚ã€å‰è€… 2 ã¤ã®ã‚¢ãƒ—リケーションã¯ã‚³ãƒ¼ãƒ‰å†…容をå«ã‚改善ã—ã¤ã¤ã€3 ã¤ã‚ã®ã‚¢ãƒ—リケーションã«ã¤ã„ã¦ã¯æœ¬ä½“を改善ä¸å¯èƒ½ã¨è«¦ã‚ãã‚‚ãもアプリケーションを極力呼ã°ãªã„よã†ã«ã™ã‚‹ã®ãŒé‡è¦ã ã£ãŸã‹ãªã¨æ€ã„ã¾ã™ã€‚ 今回ã®ä¸»é¡Œã¨ãªã‚‹ã‚¢ãƒ—リケーション㯠isuda ã¨å‘¼ã°ã‚Œã‚‹ã‚·ãƒ³ãƒ—ルãªã‚ªãƒ³ãƒ©ã‚¤ãƒ³è¾žæ›¸æŠ•ç¨¿ã‚µãƒ¼ãƒ“スã§ã—ãŸã€‚å˜èªžã®è§£èª¬è¨˜äº‹éƒ¨åˆ†ã®ãƒ†ã‚ストã«ã¯ä»–ã®å˜èªžã¸ã®ã‚ーワードリンクãŒæŒ¿å…¥ã•ã‚Œã¦ã„ã‚‹ã¨ã„ã†ä»•æ§˜ãŒã‚ã£ãŸã®ã§ã€æ–°ã—ã„å˜èªžãŒæŠ•ç¨¿ã•ã‚Œã‚‹ãŸã³ã«ã€ãã®å˜èªžã‚’å«ã‚€æ—¢å˜ã®å˜èªžã®è§£èª¬è¨˜äº‹éƒ¨åˆ†ã‚’å†ç”Ÿæˆã™ã‚‹å¿…è¦ãŒã‚ã‚‹ã¨ã„ã†ã‚‚ã®ã§ã—ãŸã€‚ 我々ã®ãƒãƒ¼ãƒ ã§ã¯ Ruby 実装を改善ã—ã¦ã„ãã¾ã—ãŸãŒã€Ruby
Optcarrot: Ruby ã§æ›¸ã‹ã‚ŒãŸãƒ•ã‚¡ãƒŸã‚³ãƒ³ã‚¨ãƒŸãƒ¥ãƒ¬ãƒ¼ã‚¿ - ã¾ã‚ã‚ã‚‚
ウソã¿ãŸã„ãªæœ¬å½“ã®è©±ã€‚Ruby ã§ãƒ•ã‚¡ãƒŸã‚³ãƒ³ã‚¨ãƒŸãƒ¥ãƒ¬ãƒ¼ã‚¿ã‚’書ã„ã¦ã¿ã¾ã—ãŸã€‚ æ°—ã«ãªã‚‹é€Ÿåº¦ã§ã™ãŒã€è‡ªåˆ†ã®ç’°å¢ƒã§ã¯ 20 fps ã¡ã‚‡ã£ã¨å‡ºã¾ã™ã€‚ファミコン㯠60 fps ãªã®ã§ã€å®Ÿé€Ÿã® 1/3 ã§ã™ã€‚Ruby3x3 （Ruby 3 㯠Ruby 2 ã® 3 å€é€Ÿã„）ã¨ã„ㆠmatz ã®å®£è¨€ãŒå®Ÿç¾ã™ã‚Œã°ã€å®Ÿé€ŸãŒé”æˆã•ã‚Œã‚‹ã“ã¨ã«ãªã‚Šã¾ã™ãï¼ è©¦ã—ã¦ã¿ãŸã„人ã¯ã“ã‚“ãªãµã†ã«å®Ÿè¡Œã—ã¦ãã ã•ã„。 $ gem install ffi $ git clone http://github.com/mame/optcarrot.git $ cd optcarrot $ bin/optcarrot examples/Lan_Master.nesSDL2 ã‹ SFML ãŒé©åˆ‡ã«ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã•ã‚Œã¦ã„ã‚‹å¿…è¦ãŒã‚ã‚Šã¾ã™ã€‚Debian/Ubuntu ãªã‚‰ apt-get install libsdl2-dev ã§ã€‚ Ru
Ruby ã§ã€Œãƒ¢ãƒ«ãƒ€ãƒ¼ã€ã‚ãªãŸç–²ã‚Œã¦ã‚‹ã®ã‚ˆã€ã‚’出力ã—ãŸã‚Šã—ãªã‹ã£ãŸã‚Šã™ã‚‹ã‚¯ãƒ©ã‚¹ã‚’作ã£ãŸ - Qiita
class Mulder include Enumerable SCULLYS_WORDS = %w(モルダー ã‚ãªãŸ 疲れã¦ã‚‹ ã®ã‚ˆ).map(&:freeze).freeze SCULLYS_NATURAL_REMARK = SCULLYS_WORDS.dup.insert(1, 'ã€').join.freeze def each(&block) @words ||= SCULLYS_WORDS .shuffle .each_slice(2) .map { |pair| join_capriciously(pair) } .flatten .insert(2, 'ã€') @words.each(&block) end def to_s to_a.join end def natural? to_s == SCULLYS_NATURAL_REMARK end private def jo
Ruby ã§ãƒ¢ãƒ«ãƒ€ãƒ¼ã€ã‚ãªãŸç–²ã‚Œã¦ã‚‹ã®ã‚ˆã‚’出力ã™ã‚‹æ–¹æ³• - Qiita
def mulder %w[モルダー ã‚ãªãŸ 疲れã¦ã‚‹ ã®ã‚ˆ].shuffle.each_slice(2).map { |ws| ws.map { |w| w.chars.each_slice((w.size/2.0).ceil).map(&:join) }.flatten.tap{ |_| break [_[2], _[1], _[0], _[3]] if rand(2) == 0 } }.flatten.insert(2, 'ã€').join end loop.with_index(1) do |_, i| print "#{i}: " puts mulder.tap{ |_| exit puts(_).to_i if _ == 'モルダーã€ã‚ãªãŸç–²ã‚Œã¦ã‚‹ã®ã‚ˆ' } end 1: ã®ã‚ˆã€ã‚ãªãŸãƒ¢ãƒ«ãƒ€ãƒ¼ç–²ã‚Œã¦ã‚‹ 2: ã®ã¦ã‚‹ã€ç–²ã‚Œã‚ˆãƒ¢ãƒ«ãƒ€ãƒ¼ã‚ãªãŸ 3: ã®ã‚ˆã€ç–²ã‚Œã¦ã‚‹ã‚ãªãŸãƒ¢ãƒ«ãƒ€ãƒ¼ 4:
Ruby ã§æš—é»™ã®ãƒ–ãƒãƒƒã‚¯ãƒ‘ラメータを使ã†ãŸã‚ã® gem ã‚’ã¤ãã£ãŸ - Secret Garden(Instrumental)
Ruby ã§æš—é»™ã®ãƒ–ãƒãƒƒã‚¯ãƒ‘ラメータを使ã†ãŸã‚ã® gem ã‚’ã¤ãã‚Šã¾ã—ãŸã€‚ å…ƒãƒã‚¿ : Rubyã®ãƒ–ãƒãƒƒã‚¯ã¤ã‚‰ã„å•é¡Œã‚’解決ã™ã‚‹æš—é»™ã®ãƒ–ãƒãƒƒã‚¯ãƒ‘ラメータ - Qiita github : osyo-manga/gem-use_arguments インストール $ gem install use_arguments 定義ã•ã‚Œã‚‹æš—é»™ã®ãƒ–ãƒãƒƒã‚¯ãƒ‘ラメータ パラメータ æ„味 _1, _2..._N å„引数ã®è¦ç´ _ _1 ã¨åŒã˜ _args 全引数ã®é…列 _yield ブãƒãƒƒã‚¯å¼•æ•° _self 呼ã³å‡ºã•ã‚ŒãŸ Proc オブジェクト自身 _receiver ブãƒãƒƒã‚¯ã‚’渡ã—ãŸãƒ¡ã‚½ãƒƒãƒ‰ã®ãƒ¬ã‚·ãƒ¼ãƒ 使ã„æ–¹ 使ã„æ–¹ã¯ç°¡å˜ã§ã€ãƒ–ãƒãƒƒã‚¯ã®å¼•æ•°ã‚’定義ã™ã‚‹ä»£ã‚ã‚Šã« _1 ã‚„ _2 ã¨ã„ã£ãŸãƒ—レースホルダを変ã‚ã‚Šã«ä½¿ç”¨ã—ã¾ã™ã€‚ require "use_arguments" # Array クラスã®ãƒ¡ã‚½ãƒƒãƒ‰ã«å¯¾ã—ã¦ä½¿ç”¨
GitHub - jbreeden/rubium: A Chromium shell for MRuby applications
Here is an example rubium app I call mruby-edit. It's a code editor written entirely in Ruby - including all DOM event handlers and manipulations. It's implemented on top of Ace, but uses Ruby to configure Ace keybindings, and access the file system. In the image, mruby-edit is viewing its own source code. Mruby-edit was written entirely in Ruby as a proof of concept, but you can freely switch bet
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Using Jemalloc 5 with Ruby.md
Using Jemalloc 5 with Ruby.md
Benchmark of memory allocators on a multi-threaded Ruby program
Rails 7.1 comes with an optimized default SQLite3 adapter connection configuration
The Resurrection of 
the Fast Parallel Test Runner
Jorge Manrubia
Ruby ã§æš—é»™ã®ãƒ–ãƒãƒƒã‚¯ãƒ‘ラメータを使ã†ãŸã‚ã® gem ã‚’ã¤ãã£ãŸ - Qiita
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