Seiei Miyagi

こんにちは

Naha, Okinawa Joined on Nov 15, 2017

Seiei Miyagi

Jun 28

Apply Reference table to the Rails STI type/Polymorphic type/enum/inclusion validated columns

#rails #ruby #sql

4 min read

Recent Comments

re: Daily Challenge #40 - Counting Sheep Sep 2 '19

Sadly, pipeline operator is reverted. github.com/ruby/ruby/...

re: Daily Challenge #51 - Valid Curly Braces Aug 28 '19

ruby <3 def areCurlyBracesMatched(s) s.match?(/\A(?&...

re: Daily Challenge #49 - Dollars and Cents Aug 27 '19

ruby <3 define_method(:format_dollar, &"$%.02f".:%...

re: Daily Challenge #48 - Facebook Likes Aug 24 '19

I can't wait ruby 2.7 release! git clone git@github.com:r...

re: Daily Challenge #48 - Facebook Likes Aug 23 '19

ruby <3 def likes(ls) case ls in [] "no one li...

re: Daily Challenge #46 - ??? Aug 23 '19

I see. Also % literal is my favorite string literal :) s ...

re: Daily Challenge #47 - Alphabets Aug 23 '19

ruby <3 def alphabet_position(s) pos = (?a..?z |>...

re: Daily Challenge #46 - ??? Aug 23 '19

I love weird Ruby syntax😆 TIPS: ?? is known as character l...

Seiei Miyagi

Aug 6 '19

#showdevQuine Snake Battle

#ruby #showdev #quine

1 min read

Seiei Miyagi

Jul 10 '19

CircleCI Workflows to rerun flaky RSpec examples

#ruby #rspec #circleci

3 min read

Seiei Miyagi

Jun 5 '19

How to define almost global variable and almost top level method in Rails

#ruby #rails

1 min read

Seiei Miyagi for Okinawa Ruby User Group

May 29 '19

#showdevOptimize boot time of ruby CLI tools

#ruby #showdev

1 min read

Seiei Miyagi for Okinawa Ruby User Group

May 4 '19

Using RubyVM::AbstractSyntaxTree.of in pry

#ruby

1 min read

Seiei Miyagi for Okinawa Ruby User Group

Apr 25 '19

How can I use RubyVM::AbstractSyntaxTree.of in irb?

#ruby

2 min read

Seiei Miyagi for Okinawa Ruby User Group

Mar 4 '19

Ruby 2.6 new feature: refine `#to_proc`

#ruby

5 5

1 min read

Seiei Miyagi

Jan 18 '19

How to minimize RSpec `describe`/`context` nesting

#ruby #rspec #gherkin

12 3

2 min read

Seiei Miyagi

Jan 5 '19

Reverted Ruby 2.7 new feature: Method reference operator

#ruby

47 10

2 min read

Seiei Miyagi

Jul 18 '18

#showdevUse Kotlin's / groovy's `it` in Ruby

#ruby #showdev

1 min read

Seiei Miyagi

Dec 31 '17

How to define the method for the DSL configuration file

#ruby #rake

12 3

2 min read

Seiei Miyagi

Dec 26 '17

Ordering Hash in Ruby

#ruby

11 1

2 min read

Seiei Miyagi

skills/languages

Apply Reference table to the Rails STI type/Polymorphic type/enum/inclusion validated columns

Recent Comments

#showdevQuine Snake Battle

CircleCI Workflows to rerun flaky RSpec examples

How to define almost global variable and almost top level method in Rails

#showdevOptimize boot time of ruby CLI tools

Using RubyVM::AbstractSyntaxTree.of in pry

How can I use RubyVM::AbstractSyntaxTree.of in irb?

Ruby 2.6 new feature: refine `#to_proc`

How to minimize RSpec `describe`/`context` nesting

Reverted Ruby 2.7 new feature: Method reference operator

#showdevUse Kotlin's / groovy's `it` in Ruby

How to define the method for the DSL configuration file

Ordering Hash in Ruby

organizations

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