November 2015
Beginner to intermediate
840 pages
26h 30m
English
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26.3.4 Caching Template Variables
Caching properties in our model is a great start to optimizing the Startup detail views, but it only works for unauthenticated users. If you authenticate as a superuser and browse to /startup/simple-robots/, the debug-toolbar will tell you that Django is making 14 queries to display all of the data on this page. That is the same number we had at the beginning of last section and means that the page has not benefitted from our @cached_property decorator, which makes sense: the published_posts() is only called when the visitor doesn’t have the view_future_post permission. As an authenticated superuser, we have this permission, so our page is instead calling startup.blog_posts.all() to render the page.
The problem ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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