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.

Aug 18, 2022Technology
5 Best Practices of RESTful API Design to Keep Your Users Happy

Dive into our guide to RESTful API best practices

May 10, 2018Technology
How to Build a Cloud-Based Leads Management System for Universities

Lead management is an important part of the marketing strategy of every company of any size. Besides automating various business processes, privately-held organizations should consider implementing an IT solution that would help them manage their leads. So, how should you make a web-based leads management system for a University in order to significantly increase sales?

Jul 27, 2017Technology
How to Deploy Django app with AWS Elastic Beanstalk?

In this article I'll show you how to deploy Django application to AWS Beanstalk.

Feb 28, 2017Technology
How to write an API in Django

There is such a term as Remote Procedure Call (RPC). In other words, by using this technology, programs can call functions on remote computers. There are many ways to implement RPC.

Mar 4, 2011Technology
Css sprite generation

I've created this small sprite to create css sprites. It glues images from directory directory into single file and generates corresponding css.