I just found out that orand andare defined for QuerySet. This means that to do queries union or intersection, you can do:
User.objects.filter(...) | User.objects.filter(...)
User.objects.filter(...) & User.objects.filter(...)Subscribe for the news and updates
The article highlights common test case mistakes, offers ways to fix them, and provides practical tips to improve and optimize test cases.
SQL is a fairly complicated language with a steep learning curve. For a large number of people who make use of SQL, learning to apply it efficiently takes lots of trials and errors. Here are some tips on how you can make your SELECT queries better. The majority of tips should be applicable to any relational database management system, but the terminology and exact namings will be taken from PostgreSQL.
In this beginners friends article I'll explain how to make authentication with Google account on your Django site and how to make authentication for you REST API.
This article is aimed for beginners, who are trying to choose between Ruby on Rails and Django. Let’s see which is fastest and why.
In this article I will tell you how to create an interactive interface with a widely customized visual look and different filtering to view reports.
I've created this small sprite to create css sprites. It glues images from directory directory into single file and generates corresponding css.