When posts and other http CRUD methods stop working in Rails

gistfile1.rb

# You probably used the html5-boilerplate gem..

# Comment this part at line 348 and it'll start working again.

# Option 1:
# Rewrite "domain.com/foo -> domain.com/foo/"

<IfModule mod_rewrite.c>
  RewriteCond %{REQUEST_FILENAME} !-f
  RewriteCond %{REQUEST_URI} !(\.[a-zA-Z0-9]{1,5}|/|#(.*))$
  RewriteRule ^(.*)$ /$1/ [R=301,L]
</IfModule>