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19 sie 2015 · I was wondering what is the best way to get the current date in a django application. Currently I query the python datetime module - but since I need the date all over the place I thought maybe Django already has a buildin function for that. e.g. I want to filter objects created in the current year so I would do the following:
13 maj 2016 · In Django, what's the difference between the following two: Article.objects.values_list('comment_id', flat=True).distinct() versus: Article.objects.values('comment_id ...
2 lis 2016 · Django does not support free group by queries. I learned it in the very bad way. ORM is not designed to support stuff like what you want to do, without using custom SQL.
from django.core import serializers from django.http import HttpResponse def your_view(request): data = serializers.serialize('json', YourModel.objects.all()) return HttpResponse(data, content_type='application/json') Bonus for Vue Users. If you want to bring your Django Queryset into Vue, you can do the following. template.html
24 cze 2011 · Django 1.5 supports Python 2.6.5 and later. If you're under Linux and want to check the Python version you're using, run python -V from the command line. If you want to check the Django version, open a Python console and type >>> import django >>> django.VERSION (2, 0, 0, 'final', 0)
10 lis 2022 · For django version < 1.7 this will create entry in south_migrationhistory table, you need to delete that entry. Now you'll be able to revert back the migration easily. PS: I was stuck for a lot of time and performing fake migration and then reverting back helped me out.
13 lip 2009 · But the Python Debugger (pdb) is highly recommended for all types of Python code. If you are already into pdb, you'd also want to have a look at IPDB that uses ipython for debugging. Some more useful extension to pdb are. pdb++, suggested by Antash. pudb, suggested by PatDuJour. Using the Python debugger in Django, suggested by Seafangs.
All the Django modules for displaying graphs take a lot of configuration and setup. However I found one solution with only one dependency: plotly. You can make all your plots in Python and export them into HTML format to include in your Django output.
26 maj 2015 · Another key difference is, when you use "auto_now" or "auto_now_add" attr in DataField or DateTimeField, The field is only automatically updated when calling Model.save(). the field isn’t updated when making updates to other fields in other ways such as QuerySet.update(), though you can specify a custom value for the field in an update like that.
21 lut 2019 · These work similar to enum from Python’s standard library, but with some modifications: Enum member values are a tuple of arguments to use when constructing the concrete data type. Django supports adding an extra string value to the end of this tuple to be used as the human-readable name, or label .
