はじめに

福岡で開催されたRuby Kaigi 2019に参加してきました。
3日間でとても多くのセッションが用意されていていましたが、残念ながら聞けないものも多くありました。
動画が公開されるのが楽しみなのですがそれまではスライドを参照しておこうかと思い、参加できなかったセッションも含めて公開されているスライドをまとめて置きたいと思います。

1日目

speakers	twitter	title	slide	movie
Matz	@yukihiro_matz	The Year of Concurrency	-	○
Matz & the Ruby Core Team	-	Ruby 3 Progress Report	○	○

Takashi Kokubun	@k0kubun	Performance Improvement of Ruby 2.7 JIT in Real World	○	○
Maciej Mensfeld	@maciejmensfeld	How to take over a Ruby gem	○	○
ITOYANAGI Sakura	@aycabta	Terminal Editors For Ruby Core Toolchain	○	○
ota42y	@ota42y	How to use OpenAPI3 for API developer	○	○

Koichi Sasada	@_ko1	Write a Ruby interpreter in Ruby for Ruby 3	○	○
Nate Berkopec	@nateberkopec	Determining Ruby Process Counts: Theory and Practice	○	○
Giovanni Sakti	@giosakti	Pathfinder - Building a Container Platform in Ruby Ecosystem	○	○
joker1007	@joker1007	Pragmatic Monadic Programing in Ruby	○	○

Yusuke Endoh	@mametter	A Type-level Ruby Interpreter for Testing and Understanding	○	○
Alexander Ivanov Zahary Karadjov	@￰alehander42 @￰zah	Compiling Ruby to idiomatic code in static languages		○
Genadi Samokovarov	@gsamokovarov	Writing Debuggers in Plain Ruby! Fact or fiction?	○	○
Yoh Osaki	@youchan	Ruby for NLP	○	○

Samuel Williams	@ioquatix	Fibers Are the Right Solution	○	○
Matthew Draper	@_matthewd	A Bundle of Joy: Rewriting for Performance	○	○
Paolo Perrotta	@nusco	A Deep Learning Adventure		○
Shizuo Fujita	@watson1978	RMagick, migrate to ImageMagick 7	○	○

Kazuki Tsujimoto	@k_tsj	Pattern matching - New feature in Ruby 2.7	○	○
Alex Wood	@alexwwood	Building Serverless Applications in Ruby with AWS Lambda	○	○
Shawnee Gao	@gao_shawnee	GraphQL Migration: A Proper Use Case for Metaprogramming?	○	○
Aaron Patterson	@tenderlove	Compacting GC for MRI v2	○	○

2日目

speakers	twitter	title	slide	movie
nagachika	@nagachika	All bugfixes are incompatibilities	○	○

Sam Phippen	@samphippen	How RSpec works	○	○
Noah Gibbs	@codefolio	Six Years of Ruby Performance: A History	○	○
Hitoshi HASUMI	@hasumikin	Practical mruby/c firmware development with CRuby	○	○
Kouhei Sutou Kazuma Furuhashi	@ktou @284km	Better CSV processing with Ruby 2.6	○	○

Hiromasa Ishii	@Hir0_IC	intimate Chat with Matz and mruby developers about mruby	○	○
Xavier Noria	@fxn	Zeitwerk: A new code loader	○	○
Andrey Novikov	@Envek	Yabeda: Monitoring monogatari	○	○
Yutaka HARA	@yhara	Ovto: Frontend web framework for Rubyists	○	○

Jake Zimmerman Paul Tarjan	@￰jez @ptarjan	State of Sorbet: A Type Checker for Ruby	○	○
Michael Grosser	@grosser	Actionable Code Coverage	○	○
		RubyData Workshop	○	○
Shugo Maeda	@shugomaeda	Terminal curses	○	○

Vladimir Makarov	@￰vnmakarov	A light weight JIT compiler project for CRuby	○	○
Amir Rajan	@amirrajan	Building a game for the Nintendo Switch using Ruby
Alex Rodionov	@p0deje	Crystalball: predicting test failures	○	○
Uchio KONDO	@udzura	The fastest way to bootstrap Ruby on Rails	○	○

Emily Stolfo	@￰estolfo	Benchmarking your code, inside and out	○	○
Kevin Menard	@nirvdrum	Beyond `puts`: TruffleRuby’s Modern Debugger Using Chrome	○	○
Mike McQuaid	@MikeMcQuaid	Building Homebrew in Ruby: The Good, Bad and Ugly		○
Tanaka Akira	@tanaka_akr	What is Domain Specific Language?	○	○

-		Lightning Talks		○
		How does TruffleRuby work	○

3日目

speakers	twitter	title	slide	movie
Presentation avatar		Ruby Committers vs the World		○

Yurie Yamane(team yamanekko) Masayoshi Takahashi	@yuri_at_earth @takahashim	(partially) Non-volatile mruby	○	○
Ariel Zelivansky	@￰zelivans	Fuzzing native Ruby code with Kisaten	○	○
Justin Searls	@searls	The Selfish Programmer	○	○
Sangyong Sim	@riseshia	Cleaning up a huge ruby application	○

Soutaro Matsumoto	@soutaro	The challenges behind Ruby type checking	○	○
Charles NutterThomas E Enebo	@tom_enebo	JRuby: The Road to Ruby 2.6 and Rails 6	○	○
Colin Fulton	@PeterQuines	Running Ruby On The Apple II	○	○
Go Sueyoshi	@sue445	Best practices in web API client development	○

Hiroshi SHIBATA	@hsbt	The future of the Bundled Bundler with RubyGems	○	○
Kevin Deisz	@kddeisz	Pre-evaluation in Ruby	○	○
Masatoshi SEKI	@m_seki	dRuby 20th anniversary hands-on workshop		○
Sadayuki Furuhashi	@frsyuki	Performance Optimization Techniques of MessagePack-Ruby	○

Kenta Murata	@mrkn	Reducing ActiveRecord memory consumption using Apache Arrow	○	○
Tung Nguyen	@￰tongueroo	Ruby Serverless Framework	○	○
Tatsuhiro Ujihisa	@ujm	Play with local vars	○	○
nobu	@n0kada	Timezone API

Urabe, Shyouhei	@shyouhei	The send-pop optimisation	○	○
Petr Chalupa	@pitr_ch	TruffleRuby: Wrapping up compatibility for C extensions	○	○
Colby Swandale	@oceanicpanda	Working towards Bundler 3	○	○
Naotoshi Seo Yusaku Hatanaka	@sonots @hatappi	Red Chainer and Cumo: Practical Deep Learning in Ruby	○

Jeremy Evans	@jeremyevans0	Optimization Techniques Used by the Benchmark Winners	○	○

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