Ruby Web Developer. Freelancer. Tokyo.
changing code by the version of gem
preload, eager_load, includes, joins
CSS fix scroll
CSS fix scroll
Rails where('n > ?', m) without sql
🐳<docker, mysql, rails> error: 'Plugin caching_sha2_password could not be loaded' when run 'db:create'
When Rails in Docker goes to down...
When rails db:migrate error has occurred because I'd tried it several times.
2ways for making nested form in Rails
`rbenv install -l`. How can I update it?
Using if condition in yml for rails
Data transfer with Migration (マイグレーション中のデータ移行)
[Rails] Getting polymorphic models with human name for view
Rails I18n model name with namespace
Singleton module (Singleton class)
How to git add the only modified files, not the untracked files
The way better than 'string'.truncate(3) in Rails, If it's responsive website.
Refactor code doesn't look like Ruby
When your docker-compose build outs error, try it with --no-cache option.
pass a block to parent Controller in Rails
binstubs is always generated when I run bundle install
git clone a repository to multi directories
.all? method of Enumerable for Array, Hash in Ruby is awesome!
How to localize f.label by i18n in Rails (日本語化)
Data Migration in Active Storage after changing the Model name
Override the included gem method by using hock.
(pry) output error: #<ActionController::UnfilteredParameters: unable to convert unpermitted parameters to hash>
[Heroku] No app specified. 😅 how to omit -a, --a option
extract_credentials_provider': Cannot load `Rails.config.active_storage.service`: (Aws::Sigv4::Errors::MissingCredentialsError)
[Capybara] Debug for random error
[Capybara] find('input').set will have not done!
Overwrite a gem method by inserting a module in your inheritance chain
How to write save and save! (bang! in Rails)
[Devise] Arbitrary Routing (任意のルーティング)
[RSpec] for ApplicationController
A trap point at "push your rails app to Heroku which uses mysql"
[RSpec] What does assigns mean in RSpec?
[RSpec] Factorybot transient & trait with argument
the eval meta programming power. Making .env file and Set Constant values from the file
Return a static error page by Rails standard function
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