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Ruby 3.0.0 Released
Posted by naruse on 25 Dec 2020 We are pleased to announce the release of Ruby 3.0.0. From 2015 we developed hard toward Ruby 3, whose goal is performance, concurrency, and Typing. Especially about performance, Matz stated “Ruby3 will be 3 times faster than Ruby2†a.k.a. Ruby 3x3. With Optcarrot benchmark, which measures single thread performance based on NES’s game emulation workload, it achieved
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Convert JSON to Swift, C#, Java, C++ and more • quicktype
Convert JSON into gorgeous, typesafe code in any language. Generate models and serializers from JSON, schema, and GraphQL for working with data quickly & safely in any programming language. Generate Code Now { "people": [ { "name": "Atticus", "high score": 100 }, { "name": "Cleo", "high score": 900 }, { "name": "Orly" }, { "name": "Jasper" } ] }Provide sample JSON files, URLs, JSON schemas, or Gra
100万行オーãƒãƒ¼ã®ãƒ¢ãƒŽãƒªã‚·ãƒƒã‚¯Railsアプリをマイクãƒã‚µãƒ¼ãƒ“ス化ã—ãŸã‚¯ãƒƒã‚¯ãƒ‘ッドã®æ‰‹é † - エンジニアHub｜Webエンジニアã®ã‚ャリアを考ãˆã‚‹ï¼
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Concurrency and Database Connections in Ruby with ActiveRecord | Heroku Dev Center
When increasing concurrency by using a multi-threaded web server like Puma, or multi-process web server like Unicorn, you must be aware of the number of connections your app holds to the database and how many connections the database can accept. Each thread or process requires a different connection to the database. To accommodate this, Active Record provides a connection pool that can hold severa
ActiveRecordã§ç”ŸSQLを使ã„ãŸã„ã¨ãã«ä¾¿åˆ©ãªãƒ¡ã‚½ãƒƒãƒ‰é” - Qiita
Ruby 㧠DB を扱ã†ã¡ã‚‡ã£ã¨ã—ãŸã‚¹ã‚¯ãƒªãƒ—トを書ãã¨ãã€ActiveRecord ã§ç”ŸSQLを使ã†ã¨è‰²ã€…æ—ã‚‹ã“ã¨ãŒå¤šã„。 ãã®ãŸã‚ã®ãƒ¡ã‚½ãƒƒãƒ‰ã‚’ã¾ã¨ã‚ã¦ã¿ãŸã€‚ 事å‰æº–備： establish_connection 作æˆãƒ»æ›´æ–°ç³»ï¼š execute 検索系： select_all, select_one, select_rows, select_values, select_value プレースホルダ： sanitize_sql_array 事å‰æº–å‚™ establish_connection DBã¨ã®ã‚³ãƒã‚¯ã‚·ãƒ§ãƒ³ã‚’確立ã™ã‚‹ã€‚'mysql2', 'postgresql', 'redshift' ãªã©æ§˜ã€…ãªã‚¢ãƒ€ãƒ—ã‚¿ãŒä½¿ãˆã‚‹ã€‚ 以下ã¯æŽ¥ç¶šè¨å®šã®ä¸€ä¾‹ã€‚ [MySQL] (è¦ mysql2 gem) require 'active_record' config = { adapter: 'mysql2
セルフホストã§å¦ã¶JVM入門 - k0kubun's blog
Rubyã®JIT開発ã§ã‚„ã‚ã†ã¨æ€ã£ã¦ã‚‹ã“ã¨ãŒå¤§ä½“ @_ko1 ã•ã‚“ã®ä½œæ¥å¾…ã¡ã§ãƒ–ãƒãƒƒã‚¯ã—ã¦ã„ã¦æš‡ãªã®ã§ä½•ã‹ã‚’書ã“ã†ã¨æ€ã„ã€JVMを書ãã“ã¨ã«ã—ãŸã€‚ ã¾ã ãã®è¾ºã®ã‚¢ãƒ—リを気軽ã«å‹•ã‹ã›ã‚‹ãƒ¬ãƒ™ãƒ«ã§ã¯å…¨ç„¶ãªã„ãŒã€åˆ¥ã«ç§˜å¯†è£ã«é–‹ç™ºã™ã‚‹å¿…è¦ã‚‚ãªã„ã¨æ€ã£ãŸã®ã§å…¬é–‹ã—ãŸã€‚ github.com ã“ã‚Œã®ç´¹ä»‹ã¨ã€ç¾æ™‚点ã§å¦ã¹ãŸã“ã¨ã‚’ã“ã®è¨˜äº‹ã«è¨˜éŒ²ã—ã¦ãŠã。 何故JVMãªã®ã‹ 仕事ã§JVM言語を使ã£ã¦ã„ã‚‹ 僕ãŒæ‰€å±žã—ã¦ã„ã‚‹Treasure Dataã§ã¯ã€å¤§é›‘把ã«è¨€ã†ã¨æœ¬ç•ªã‚µãƒ¼ãƒãƒ¼ã®ã‚µãƒ¼ãƒ“スã¯å¤§ä½“Ruby, Java, Scala, Kotlinã§æ›¸ã‹ã‚Œã¦ã„ã‚‹*1ã®ã§ã€æ—¢ã«Rubyã®VMã¯ã‚る程度ã‚ã‹ã‚‹*2ã“ã¨ã‚’考ãˆã‚‹ã¨ã€JVMã•ãˆç†è§£ã—ã¦ã—ã¾ãˆã°ç¤¾å†…ã®ä¸»è¦ãªè¨€èªžè©•ä¾¡ç³»ã‚’抑ãˆãŸã“ã¨ã«ãªã‚Šã€é‹ç”¨é¢ã§æ´»èºã®æ©Ÿä¼šãŒå¢—ãˆã‚‹æ°—ãŒã—ã¦ã„る。 ã¾ãŸã€è‡ªåˆ†ãŒæœ€è¿‘一番書ã„ã¦ã„ã‚‹ã®ã¯Kotlinãªã®ã ãŒã€JVMã§å‹•ã‹ã—ã¦ã„ã‚‹ã“ã¨ã«ç”±
Open-sourcing Sorbet: a fast, powerful type checker for Ruby · Sorbet
We’re excited to announce that Sorbet is now open source and you can try it today. Sorbet is a fast, powerful type checker designed for Ruby. It scales to codebases with millions of lines of code and can be adopted incrementally. We designed Sorbet to be used at Stripe, where the vast majority of our code is written in Ruby. We’ve spent the last year and a half developing and adopting Sorbet inter
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RubyKaigi 2022 - Fast data processing with Ruby and Apache Arrow
GitHub - discourse/discourse: A platform for community discussion. Free, open, simple.
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GitHub - design-patterns-in-ruby/design-patterns-in-ruby: Examples from the book Design Patterns in Ruby by Russ Olsen. # ruby 2.2.0
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