Am 30.10.2012 05:59, schrieb Georgy Daniel:
> Hi, I am a very beginner on Ruby and related stuff, Could you please
> tell me
> what a tag like this "<%!" means in the following code. Also, I would
> really appreciate if you can give me some ref to erb templates.

The official documentation can be found here:
http://www.ruby-doc.org/stdlib-1.9.3/libdoc/erb/rdoc/ERB.html

or use `ri ERB' in the command line.

> <%! if filmstrip_image_path.blank? %>
>
>
> Also what does this '?' do in the above code

It's just part of the method name `blank?'.
By convention, methods with a name ending with
a question mark return a boolean value, false or true.


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