Added SanitizeHelper to rails guide docs [ci skip]

Added SanitizeHelper to rails guide docs [ci skip]

Added SanitizeHelper to rails guide docs update [ci skip]
Merge pull request #11617 from swooop/doc_sanitize

Added SanitizeHelper to rails guide docs [ci skip]
document `assert_not_XYZ` in place of `refute_XYZ`.
Removed redundant asserts for assigns attribute operation
Merge pull request #11886 from jetthoughts/remove_redundant_assert_from_datatype_test

Removed redundant asserts for assigns attribute operation
Rescue invalid ip address exceptions on assign.

In order that set attribute should not be bang method
Merge pull request #11574 from jetthoughts/11552_rescue_on_invalid_inet_assign

Fix assign ip address with invalid values raise exception
Typo Fix[ci skip]
Merge pull request #11887 from raysrashmi/typo_fix

Typo Fix[ci skip]
Fixed `columns_for_distinct` of postgresql adapter