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Seiei Miyagi profile picture

Seiei Miyagi

こんにちは

Location Naha, Okinawa Joined Joined on  Twitter logo GitHub logo External link icon

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

Reactions 5
4 min read

#showdevQuine Snake Battle

Reactions 12
1 min read

CircleCI Workflows to rerun flaky RSpec examples

Reactions 6
3 min read

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

Reactions 5
1 min read

#showdevOptimize boot time of ruby CLI tools

Reactions 6
1 min read

Using RubyVM::AbstractSyntaxTree.of in pry

Reactions 7
1 min read

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

Reactions 11
2 min read

Ruby 2.6 new feature: refine `#to_proc`

Reactions 5 Comments 5
1 min read

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

Reactions 12 Comments 3
2 min read

Reverted Ruby 2.7 new feature: Method reference operator

Reactions 47 Comments 10
2 min read

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

Reactions 14
1 min read

How to define the method for the DSL configuration file

Reactions 12 Comments 3
2 min read

Ordering Hash in Ruby

Reactions 11 Comments 1
2 min read
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