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  • Book Overview & Buying Mastering Django: Core
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Mastering Django: Core

Mastering Django: Core

By : Nigel George
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Mastering Django: Core

Mastering Django: Core

By: Nigel George

Overview of this book

Mastering Django: Core is a completely revised and updated version of the original Django Book, written by Adrian Holovaty and Jacob Kaplan-Moss - the creators of Django. The main goal of this book is to make you a Django expert. By reading this book, you’ll learn the skills needed to develop powerful websites quickly, with code that is clean and easy to maintain. This book is also a programmer’s manual that provides complete coverage of the current Long Term Support (LTS) version of Django. For developers creating applications for commercial and business critical deployments, Mastering Django: Core provides a complete, up-to-date resource for Django 1.8LTS with a stable code-base, security fixes and support out to 2018.
Table of Contents (29 chapters)
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1. Introduction to Django and Getting Started

Chapter 16. Djangos Cache Framework

A fundamental trade-off in dynamic websites is, well, they're dynamic. Each time a user requests a page, the web server makes all sorts of calculations, from database queries to template rendering to business logic to creating the page that your site's visitors see. This is a lot more expensive, from a processing-overhead perspective, than your standard read-a-file-off-the-filesystem server arrangement.

For most web applications, this overhead isn't a big deal. Most web applications aren't www.washingtonpost.com or www.slashdot.org; they're simply small- to medium-sized sites with so-so traffic. But for medium-to high-traffic sites, it's essential to cut as much overhead as possible.

That's where caching comes in. To cache something is to save the result of an expensive calculation so that you don't have to perform the calculation next time. Here's some pseudocode explaining how this would work for...

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