From: Albert Schlef <albertschlef@...>
Date: 2009-01-19T19:57:23+09:00
Subject: Re: How to refresh Image through ajax request

Kumar Saurav wrote:
> Albert Schlef wrote:
>> Kumar Saurav wrote:
>> [...]
>>>         render :text => "<img src='/images/xyz.jpg' />"
>> 
>> Perhaps the browser caches this image. The browser isn't aware that it 
>> has changed. I suggest you add some random string to the image's URL. 
>> E.g. /image/xyz.jpg?56543653.
> 
> Hi i just hard code the path like "public/images/xyz.jpg?1234" but after 
> that i get the following error
> 
> no encode delegate for this image format `public/images/xyz.jpg?1234'

You added that random string in img_rev.write(). No good. Add it to the 
URL. In other words, add it in the <img> tag. You need to send the 
browser '<img src="pic.jpg?some-changing-string">' instead of just '<img 
src="pic.jpg">'.
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