Not always sometimes you want to show some template code (You have a blog about web dev) and sometimes you want to nest some code.
On Sun, Jan 11, 2009 at 10:04 PM, Diez B. Roggisch <de...@nospam.web.de>wrote: > Alex K schrieb: > >> While building a website using template inheritance one usually does >> the following: >> >> fetch from database >> fetch from some more data from database >> ... << more required computations >> then at the end render the template with the fetched data >> >> Without template inheritance one usually does the following: >> >> fetch from database >> render this part of the site with this fetched data >> fetch some more data from the database >> render this other part of the site with the fetched data >> ... >> etc >> >> The first approach is much more elegant and leads to easier to >> maintain code. However the user will have to wait till the end of the >> fetching (long computations) before any rendering can take place. In >> the second approach however the site loads as we are fetching the data >> which is more convenient to the user. >> >> Am I correct to assume this? Is there a way to get the best of both >> worlds? Thank you. >> > > I don't think that the question of inheritance or not is really relevant > here. > > It's a matter of how the templating system is written - does it collect all > the data beforehand, or not, is it potentially using e.g. generators and so > forth. > > And of course how the programmer uses the templating system. does he fetch > all the data beforehand, or does he use lazy generation approachs - again, > e.g. generators, or callbacks. > > Besides, *usually* the 20-39Kb of a website itself aren't the problem I'd > say - loading referenced resources is much more of an issue. > > And AFAIK the render-mode matters, too. If the site is XHTML-compliant, the > browser can start the rendering once the HTML is complete - otherwise, it > might wait until the referenced resources are all loaded to calculate the > layout. > > Diez > > -- > http://mail.python.org/mailman/listinfo/python-list > -- http://www.astorandblack.com/
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