Remove duplicated require from AR base test
add require to suppress warning; remove variable
Merge pull request #10080 from vipulnsward/railties_warning_fix_v2

add require to suppress warning; remove variable
fix broken format in ActionView::Helpers::NumberHelper [ci skip]
Fix typo in view name

Introduced in 2c22376fe04b89e8f34620139720b85a85ce3428
[layout/rendering guide] remove redundant wording
fix warnings in railties test
[layout/rendering guide] move sentence to new line to follow convention in other guides.
Merge pull request #10082 from vipulnsward/fix_railties_test-v2

fix warnings in railties test
describe Action Mailer I18n subject lookup
expanded rdoc on source_reflection method
Removed unused comma after loop variable
Replaced inject with map
Merge pull request #10088 from neerajdotname/fixes1

minor fixes including variable name change and expanded rdoc
Merge pull request #10076 from choudhuryanupam/master

Removed unused comma after loop variable
Further simplify enumerable group_by test
Basic Layouts overview w/ link to guide
Add Action View Overview to guides listing.
Update Ryan Bigg's occupation and credentials.
fix private attribute warning