Back
Sep 23, 2010

OR and AND without django.db.models.Q

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

More thoughts
Dec 8, 2022Technology
How to create a route finder on an SVG map

In one of our recent projects, we had an interesting case: the whole application was built around an interactive map for a fairly large shopping mall, and the main goal of the system was to plot the closest route to a user-selected destination.

Sep 1, 2021TechnologyBusiness
Top 10 Web Development Frameworks in 2021 - 2022

We have reviewed the top web frameworks for server and client-side development and compared their pros and cons. Find out which one can be a great fit for your next project.

Jan 22, 2017Technology
Django vs Rails Performance

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.

Jan 10, 2017Technology
How To Use GraphQL with Angular 2 (with Example)

​In this article we will tell you about the basics of working with GraphQL in Angular 2 environment with detailed example.

Nov 21, 2016Technology
Crawling FTP server with Scrapy

Welcome all who are reading this article. I was given a task of creating a parser (spider) with the Scrapy library and parsing FTP server with data. The parser had to find lists of files on the server and handle each file separately depending on the requirement to the parser.

Jun 25, 2011Technology
Ajax blocks in Django

Quite often we have to write paginated or filtered blocks of information on page. I created a decorator that would automate this process.