convert_options_to_data_attributes always returns not nil stringified html_options [#5445 state:resolved]
Signed-off-by: NJosé Valim <jose.valim@gmail.com>

Signed-off-by: NJosé Valim <jose.valim@gmail.com>

nested attributes tests should rely on associated objects to verify results not on assert_difference [#5206 state:resolved]
Signed-off-by: NJosé Valim <jose.valim@gmail.com>

Signed-off-by: NJosé Valim <jose.valim@gmail.com>

Signed-off-by: NSantiago Pastorino <santiago@wyeworks.com>

no test was failing. Tests have been added to ensure that commenting
out the code within if loop would cause test failure.
Signed-off-by: NJosé Valim <jose.valim@gmail.com>

Signed-off-by: NJosé Valim <jose.valim@gmail.com>

:store_full_sti_class will have value true or false so there is no
danger of mutability here.
Signed-off-by: NJosé Valim <jose.valim@gmail.com>

:partial_attributes will have value true or false so there is no
danger of mutability here.
Signed-off-by: NJosé Valim <jose.valim@gmail.com>

Signed-off-by: NJosé Valim <jose.valim@gmail.com>

* Fix the generated file examples
* Fix the generators commands

Corrected typo in example on rendering collections in partials changing @posts to @products to match the example

Mention RubyInstaller instead which is actually quite pleasant and runs Rails fine.

Reason: This is an exception. Thing is when you contribute to Rails you need to know how to proceed *now*, the instructions may be different than the ones published with some past release.

This reverts commit d1b239da.