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 13, 2022Technology
How to create a timelapse video from frames

We’ll tell you how to create a video timelapse from a sequence of snapshots and provide customers with video playlists optimized for browser playback.

Feb 28, 2017Technology
Passing pieces of markup to components in Angular 2 and problems with dynamic content

In this article we'll research how to pass custom markup to Angular components and how to create different types of dynamic components.

Jan 12, 2017Technology
Making Custom Report Tables Using AngularJS and Django

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.

Dec 11, 2016Technology
Auto WebSocket Reconnection with RxJS (with Example)

In this RxJS tutorial article, we will focus on restoring the websocket connection when using RxJS library.

Oct 11, 2010Technology
Testing authentication in Django

In order to check if user is authentcated in test, you can run:

Feb 28, 2010Technology
Composing multiple views in Django

In UNIX way, each view should solve single task. This is good idea, but sometimes we need to mix logic of different views on same page. Filter, sort, paginate, or, for example, add comment on product page. In this article I'll show how we can mix such multiple views.