rubocop のしつけ方 - onk.ninja
rubocop のしつけ方 TL;DR rubocop --auto-gen-config して Offense count の多い順に毎日数個ずつ設定を確認したら 僕の使っている .rubocop.yml ができました これが onkcop か…(ゴクリ / “僕の使っている .rubocop.yml” https://t.co/KVryle9SJq — そのっつ (SEO Naotoshi) (@sonots) October 26, 2015 rubocop とは コーディング規約に準拠しているかをチェックする gem です。 https://github.com/bbatsov/rubocop こんなコードに対してかけると def badName if something test end end 以下のような警告をしてくれます。 Offenses: test.rb:1:5: C:
Building a JSON API with Rails 5
Rails is great for making traditional server-rendered web applications. It has support for cookies, sessions, and other browser-specific functionality right out of the box. It's also great for building JSON APIs, but why include a whole bunch of functionality that we aren't going to use if what we want is to simply build a JSON API? That's where using Rails in --api mode comes in handy. It gives u
How to Use Rails Active Job
You're always striving to give your users a better experience when they use your website or application. One of the most important ways to achieve this is by giving them quick server response times. In this article, we'll explore how to use Rails Active Job to enable us to do this through the use of a queuing system. You can also use queues to help normalize traffic spikes or load on the server, a
The CQRS diet
Presented at Conferencia Rails 2010 You probably follow the motto “skinny controller, fat model”, which is a good thing. Skinny controllers are definitely the way to go but, as your domain logic grows, it’s very easy to end up with a model overweight problem, which is not so good. The issue is that your ActiveRecord objects have to deal with too many different responsibilities: validation, busines
Lotus RB – Technology you need
Posted on October 15, 2022October 14, 2022 Author Laura Comments Off on Tech You Can Use To Clear Your House After a Fire After the horrible experience of losing your house in a fire, the next few weeks can feel like a nightmare. You’re now facing the daunting task of clearing out all the mess and making temporary arrangements until you find a new place to live. With so much to think about after a
Visualizing Garbage Collection in Ruby and Python
This is a post that Pat Shaughnessy wrote based on his presentation at RuPy in Budapest. You can also watch the video recording of the presentation. This recap was originally published on his personal blog, and we're republishing it on Codeship with his kind permission. If your algorithms and business logicare the brain of your application, whichorgan would the garbage collector be? Since this is
Debugging memory leaks in Ruby
Sam Saffron Programming, Technology and the Art of Hacking At some point in the life of every Rails developer you are bound to hit a memory leak. It may be tiny amount of constant memory growth, or a spurt of growth that hits you on the job queue when certain jobs run. Sadly, most Ruby devs out there simply employ monit , inspeqtor or unicorn worker killers. This allows you to move along and do mo
Nobody understands the GIL
Nobody understands the GIL Published on June 12, 2013 by Jesse Storimer Throughout most of my time in the Ruby community, MRI's infamous GIL has been an elusive creature for me. This is a story about thread safety, and finally catching that elusive creature to get a good look at it. The first time I heard mention of the GIL, it had nothing to do with how it worked, what it did, or why it existed.
Memory management tuning in Ruby
Memory management tuning in Ruby Koichi Sasada <ko1@heroku.com> Memory management tuning in Ruby, RubyConfPH 2014 by K.Sasada <ko1@heroku.com> 1 Summary of this talk • Introduction of new versions • Ruby 2.1 (2.1.1 was released) • Ruby 2.2 (currently working on) • Basic of Ruby’s memory management (GC) • GC tuning parameters • “What” and “How” we can tune by GC parameters Memory management tuning
シュッとふりかえる Ruby 2.0 以降
Ruby 2.0 以降の変更を駆け足でふりかえります。 5分では足りませんでした。
日本語訳: Ruby 2.1: Out-of-Band GC — sawanoboly.net
@azukiwasher さんからRuby2.1のGCについて解説されている記事の日本語訳を頂きました。 『WEB+DB の Ruby 2.1 特集を読んでたら、ガベージコレクション（RGenGC）の説明で参照されてた記事の次の記事がためになったので訳してみた。』 Vol.79ですね。 ソース Ruby 2.1: Out-of-Band GC · computer talk by @tmm1 Ruby 2.1: Out-of-Band GC Ruby 2.1 で GC は以前よりずっとマシになったが、相変わらず "Stop The World" な実装に変わりはない。リクエスト処理中にコレクションが始まると、リクエストへの応答時間に遅延が生じる。遅延を緩和する方法のひとつにリクエストとリクエストの間に GC を走らせる、いわゆる「Out-of-Band」がある。 OOBGC はよく知られた
module Unicorn::OobGC
Application_Timeouts CONTRIBUTORS DESIGN FAQ HACKING ISSUES KNOWN_ISSUES LICENSE Links NEWS PHILOSOPHY README SIGNALS Sandbox TUNING unicorn_1 Unicorn Configurator HttpServer OobGC PrereadInput StreamInput TeeInput Util Worker Methods ::new module Unicorn::OobGCStrongly consider github.com/tmm1/gctools if using Ruby 2.1+ It is built on new APIs in Ruby 2.1, so it is more intelligent than this hist
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GitHub - gocardless/statesman: A statesmanlike state machine library.
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Category: Code Metrics - The Ruby Toolbox
SOLID Object-Oriented Design
all the little things (railsconf)
Magic Tricks of Testing (RailsConf)
