Recent questions tagged Django

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django - Get request.session from a class-based generic view

Is there a way to get request.session from inside a class-based view? For instance, I have from django.views. ... ugly. Is there another way? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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django admin many-to-many intermediary models using through= and filter_horizontal

This is how my models look: class QuestionTagM2M(models.Model): tag = models.ForeignKey('Tag') question = models. ... ? or something of the like See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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django date format 'dd-mm-yyyy'

Is there any way I can get django to store my data in postgresql as 'dd-mm-yyyy' (if required) and have ... lot of googling but no success :( See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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django - Error "You're accessing the development server over HTTPS, but it only supports HTTP"

When I try to write the server link like http:// .... it redirects to https:// and in the terminal : ... over HTTPS, but it only supports HTTP. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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django - Add data to ModelForm object before saving

Say I have a form that looks like this: forms.py class CreateASomethingForm(ModelForm): class Meta: model = ... ModelForm object before saving? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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django - How to use custom manager with related objects?

I have a custom manager. I want to use it for related objects. I found use_for_related_fields in docs. But it ... ... objects = RandomManager() See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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django - Is "transaction.atomic" same as "transaction.commit_on_success"?

Django 1.6 proposes @transaction.atomic as part of the rehaul in the transaction management from 1.5. I have ... the same behaviour; correct? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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django crispy forms: Nesting a formset within a form

I have a django Formset that I'd like to layout in the middle of another form. I'm using django-crispy- ... fit together with crispy's layout. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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django - Creating and saving foreign key objects using a SlugRelatedField

I've just started with Django REST framework and I'm having trouble with saving foreign keys. I have a ... 0123456789 does not exist."]} See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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django - Returning Rendered Html via Ajax

I am trying to return html via and Ajax call and I have the following snippet of code in my view if request. ... 39 what am I doing wrong? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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997 views

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django - How to add an annotation on distinct items?

I've got a query... packages = Package.objects.annotate(bid_count=Count('items__bids')) Which is supposed to give me ... . How can I do this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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django 1.4 timezone.now() vs datetime.datetime.now()

I'm a bit confused by the daylight savings handling settings.py: TIME_ZONE = 'Europe/London' USE_TZ = True in ... docs but am none the wiser. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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877 views

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django - Is there a way to combine behavior of SESSION_EXPIRE_AT_BROWSER_CLOSE and SESSION_COOKIE_AGE

For security reasons I set SESSION_EXPIRE_AT_BROWSER_CLOSE to true. But, browser-length cookies (cookies that ... length cookies scenario? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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django - prefetch_related for multiple Levels

If my Models look like: class Publisher(models.Model): pass class Book(models.Model): publisher = models. ... ('book_set', 'book_set_page_set') See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

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django query get last n records

Lets say I am implementing a message stream, records sort by ID ascending order, each fetch request, I want to only ... a elegant way to do it? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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966 views

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django - python Socket.IO client for sending broadcast messages to TornadIO2 server

I am building a realtime web application. I want to be able to send broadcast messages from the server-side ... open to all good solutions. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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django template to populate bootstrap rows and columns

So here's my problem: I've got a bunch of instances of a class. I would like to have a sort of ... of objects after the integer division. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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django - Setting default value for Foreign Key attribute

What is the best way to set a default value for a foreign key field in a model? Suppose I have two ... syncing. Any help would be appreciated. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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django - Permission denied - nginx and uwsgi socket

Well I am currently trying to get my django application served using nginx and uwsgi. I am currently using a ... file in tmp directory? Thanks See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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871 views

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django - Rendering spatial data of GeoQuerySet in a custom view on GeoDjango

I have just started my first project on GeoDjango. As a matter of fact, with GeoDjango powered Admin ... an experienced GeoDjango programmer. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.3k views

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django - How do I restart celery workers gracefully?

While issuing a new build to update code in workers how do I restart celery workers gracefully? Edit: What ... finishing the existing job exit. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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934 views

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django - How to make python on Heroku https only?

I have python/django app on Heroku (Cedar stack) and would like to make it accessible over https only. I have ... access, or redirect to https? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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django rest framework - how do you flatten nested data?

I have a 'through' model governing a many to many relationship and i want to be able to return the 'through' ... ...hope that all makes sense. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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981 views

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django : Serving static files through nginx

I'm using apache+mod_wsgi for django. And all css/js/images are served through nginx. For some odd reason, ... . Any pointers would be great. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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968 views

1 answer

django admin make a field read-only when modifying obj but required when adding new obj

In admin I would like to disable a field when modifying object, but make it required when adding new object. Whats ... way to go about this one? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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928 views

1 answer

django - Max image size on file upload

I have an ImageField in my form. How would I enforce a file size min/max, something like -- image = ... ImageField(min_size = 100k) Thank you. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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974 views

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django - What is reverse()?

When I read Django code sometimes, I see in some templates reverse(). I am not quite sure what this is but ... reverse() supposed to be used? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.2k views

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django - Nothing happens when I do: python manage.py command

I'm new to django and currently going through the main tutorial. Even though it was working earlier, when I do ... what I'm doing wrong. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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