Align the elements of an array literal if they span more than one line
Align the elements of a hash literal if they span more than one line
Align the parameters of a method call if they span more than one line
Use . instead of :: for method calls
Fix incorrect indentation in comments
Hash#has_key? is deprecated in favor of Hash#key?
Use empty lines between defs
Remove extra blank line
Keep a blank line before and after private