Recent questions tagged Django

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django - inlineformset_factory create new objects and edit objects after created

In the django docs, there's an example of using inlineformset_factory to edit already created objects https://docs. ... not to create new one See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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django - How do I iterate over the options of a SelectField in a template?

I have a select field in the form and now I need to iterate over options in this field. {{ form. ... .myselect.option_set but it gives nothing See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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django - Manager isn't accessible via model instances

I'm trying to get model objects instance in another one and I raise this error : Manager isn't accessible ... 't accessible via topic instances See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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django - How can I find out the request.session sessionid and use it as a variable?

I'm aware that you can get session variables using request.session['variable_name'], but there doesn't seem to be a ... ? I can't find it. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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django - field's verbose_name in templates

Suppose I have a model: from django.db import models class Test(models.Model): name=models.CharField(max_length=255, ... {{ form_field.label }} See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

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django - Find Monday's date with Python

How do I find the previous Monday's date, based off of the current date using Python? I thought ... created__range=(start_date, end_date). See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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django rest framework - ModelSerializer using model property

I'm trying to serialize a model containing a property field that I also want to serialize. models.py: ... I serialize the ext_link property? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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django - Nginx uwsgi (104: Connection reset by peer) while reading response header from upstream

Environment is Nginx + uwsgi. Getting a 502 bad gateway error from Nginx on certain GET requests. Seems to be ... in the uwsgi error log. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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django rest framework - ForeignKey does not allow null values

I am using the Django REST Framework 2.0. Here is my model class: class Mission(models.Model): assigned_to = ... " does not allow null values. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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django - How do you know if memcached is doing anything?

I'm testing out using memcached to cache django views. How can I tell if memcached is actually caching anything from the Linux command line? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

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django - Inject errors into already validated form?

After my form.Form validates the user input values I pass them to a separate (external) process for further ... lot more than merely validate. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.2k views

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django - request.POST.get('sth') vs request.POST['sth'] - difference?

What is the difference between request.POST.get('sth') and request.POST['sth'] Did not find the similar question, ... I am asking. Any ideas? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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987 views

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django - Can we append to a {% block %} rather than overwrite?

In my core.html I have a block labeled javascript. It would be great if I can append more lines to ... without overwriting everything in it. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.6k views

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django - How can I get the file name from request.FILES?

How can I get the file name from request.FILES in Django? def upload(request): if request.method == ' ... filename = request.FILES['filename'] See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

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django - uWSGI won't reload, restart or let me run service

I have a fairly big issue. I am very new to uwsgi and am not 100% sure on how to debug this issue ... information on my setup please just ask. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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886 views

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django - What is the advantage of Class-Based views?

I read today that Django 1.3 alpha is shipping, and the most touted new feature is the introduction of class ... no shorter than regular views. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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905 views

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django - Which Stack-Overflow style Markdown (WMD) JavaScript editor should we use?

Background I'm working on an application which requires user-entered content, and I've decided to use a Stack ... 's not for public use. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.3k views

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django - Any /polls URL always call index() function in views.py

polls/urls/py from django.conf.urls import url from . import views urlpatterns = [ url('', views.index, name ... ). Any help will be appreciated See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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909 views

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django - app engine datastore auto-clears every time project runs

Every time I run my project (eith dev_appserver.py myapp or manage.py runserver in django), the datastore will ... there a local datastore file? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

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django - ImportError: cannot import name get_path_info

My question is why foreman start not serving css file in dev environment ...? but my app running ... : cannot import name get_path_info See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.0k views

1 answer

django - Select a single field from a foreign key

So I have a a very simple (simplified) model class MyObject(models.Model): owning_user = models.ForeignKey(User, ... avoid making a raw query See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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881 views

1 answer

django - How to read/make sense of a PHP serialised data string in python

A legacy database I'm accessing via Django has a table column that stores serialised data in the following string ... to the database via PHP. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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2.0k views

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django - Is the server running on host "localhost" (127.0.0.1) and accepting TCP/IP connections on port 5432?

I tried to deploy my Django project on Heroku but everytime I try 'heroku run python3 manage.py migrate' I get ... there even any options left? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.2k views

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django - Annotate a QuerySet with the latest value from a filtered join

How can I, in a single expression, get the latest value from the filtered results of a many-to-one ... be in the above placeholders? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

1 answer

django - Heroku collectstatic not run during deployment

I have a django app that I am successfully deplying to heroku. When I dry-run the collectstatic command locally ... without going the S3 route. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.2k views

1 answer

django - Changing serializer fields on the fly

For example I have the following serializer: class UserSerializer(serializers.ModelSerializer): class Meta: model = User ... way to do that? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.4k views

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django templates - How to use Python string formatting to convert an integer representing cents to a float representing dollars?

I have an integer representing a price in cents. Using Python format strings, how can I convert this value ... decimal point without dividing? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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977 views

1 answer

django - 'Suspicious Operation: Attempted access to "" denied' while loading static files

I've been through the ringer getting my Django app setup on Heroku using Amazon s3 to host the static and media files ... I have no idea what :/ See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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