From: James Edward Gray II <james@...>
Date: 2006-03-17T02:19:46+09:00
Subject: Re: ERB question

On Mar 16, 2006, at 11:13 AM, Robert D. La Gesse wrote:

> Markus Werner wrote:
>> Robert D. La Gesse wrote:
>>> Can anyone tell me what the difference is in these two  
>>> statements?  Yes,
>>> I'm a newbie!
>>>
>>> <%=h device.send(column.name) %>
>>>
>>> <%= device.send(column.name) %>
>>>
>>> Specifically, what is the <%=h supposed to do?  The "h" doesn't  
>>> appear
>>> to do anything that I can find, yet RoR generates code using it...
>>>
>>> Thanks much!
>>>
>>> Rob
>> h is a short form for is a short form for the method html_escape.
>> So IMHO it's more clear to write something like
>> <%= h(device.send(column.name)) %>
>> cu
>> polarix
> OK, I guess that's clear enough... but it doesn't actually seem to  
> make any difference if the "h" is in there or not.  And I can't  
> seem to determine why Ruby on Rails sometimes generates code with  
> the "h", and sometimes it doesn't :)

Try:

<%= h "< & >" %>

and:

<%= "< & >" %>

James Edward Gray II