On 8. des. 2005, at 09.35, Bob Ippolito wrote:
On Dec 8, 2005, at 12:12 AM, Rune Hansen wrote:
On 7. des. 2005, at 23.52, Bob Ippolito wrote:
Generating a random number is insignificant. A timestamp would probably be better though given the use case.
Anyway, the right answer is to do it from _javascript_ if you have to do it at all. Doing it from the TG side is nearly worthless because only one unique identifier is going to end up in the page, but you almost definitely need to fetch that JSON URL more than once during the page view.
Is it *really* that hard?
loadJSONDoc(url, {uid: (new Date()).getTime()});
or if you already have a query string in there you'd have to do it yourself:
loadJSONDoc(url + "&uid=" + (new Date()).getTime());
I may not have made my self completely clear in my original proposal.
I'm unable to make loadJSONDoc("${std.url('/Edit'/,rand="+Math.random()+"tg_format='json')}") work. KID obviously frowns upon gluing together a template function.
The one way I found to get this to work was to have turbogears.stdvars create the hash when firing the ${std.} function: loadJSONDoc("${std.url('/Edit'/,rand=std.hash(),tg_format='json')}")
So don't do it like that. Don't generate _javascript_ code, that's bad. Embed the URL in the document somewhere, and scrape it out from the DOM. Good way to do this is with a hidden input tag.
That way the hash gets created only when using the ${std.} function in a template, and it guarantees a "fresh" hash every time function ${std.} is called.
Which happens when the HTML is rendered. Like I said, you can't call the _javascript_ twice in a given page load and have a different number come out because it was generated by the server.
If you're only going to load the JSON exactly once, why not just put the data in the document to begin with?
-bob
