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Python 2022-03-06 11:20:03
django set form field value in template
This was a feature request that got fixed in Django 1.3. Here's the bug: https://code.djangoproject.com/ticket/10427 Basically, if you're running something after 1.3, in Django templates you can do: {{ form.field.value|default_if_none:"" }} O... Add solution -
Python 2022-02-21 03:55:27
django psql setup
This gist I write, because I couldn't find step by step instructions how to install and start postgresql locally and not globally in the operating system (which would require sudo). I hope, this will help especially people new to postgresql! ##########... Add solution -
Python 2022-01-26 01:46:22
django db_index=true
When we should use db_index=True in Django? This is not really django specific; more to do with databases. You add indexes on columns when you want to speed up searches on that column. Typically, only the primary key is indexed by the database. This mea... Add solution -
Other 2022-01-25 14:11:18
difference between blank and null django
null=True sets NULL (versus NOT NULL) on the column in your DB. Blank values for Django field types such as DateTimeField or ForeignKey will be stored as NULL in the DB. blank determines whether the field will be required in forms. This includes the a... Add solution -
Python 2021-11-14 23:44:21
django operational error
In the case of an Operational Error in django you HAVE TO do the following :- 0) Reload the site Still not solved 1) Delete the migrations folder and pycache folder Still not solved 2) Reload the site 2) python manage.py makemigrations, then python manage... Add solution -
Python 2021-11-13 19:52:20
cleaned_data in django forms
what is cleaned_data in django Any data the user submits through a form will be passed to the server as strings. It doesn't matter which type of form field was used to create the form. Eventually, the browser would will everything as strings. When Djang... Add solution -
Python 2021-10-23 05:29:08
on_delete options django
There are seven possible actions to take when such event occurs: CASCADE: When the referenced object is deleted, also delete the objects that have references to it (when you remove a blog post for instance, you might want to delete comments as well). ... Add solution -
Python 2021-10-20 07:30:06
on_delete=models.cascade
There are seven possible actions to take when such event occurs: CASCADE: When the referenced object is deleted, also delete the objects that have references to it (when you remove a blog post for instance, you might want to delete comments as well). ... Add solution
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