Advertisements I’m designing an eBay-like website. My project has several models, one of which, namely "Listing", represents all existing products: class Listing(models.Model): title = models.CharField(max_length=64) description = models.CharField(max_length=512) category = models.CharField(max_length=64) image_url = models.URLField() owner = models.ForeignKey(User, on_delete=models.CASCADE, related_name="created_listings") is_active = models.BooleanField(default=True) winner = models.ForeignKey(User, on_delete=models.CASCADE, related_name="won_listings", null=True) I need the winner attribute to be… Read More How to assign an empty value to an object attribute in Django Admin Interface?

Advertisements I have a model in my app called Tracker with a nested model underneath called Email. I want to create a view page where I can see each of my Trackers with all of the related Emails underneath. I’m creating a loop to show all my trackers, and then adding a loop in between… Read More Display objects from a nested model in a loop

Advertisements I have model with Foreign Key and i use name of that foreinKey in my template and i have 38 sql queries bcs of __str__ funciton in my model How can i show name of foreignKey without duplicates and similiar queries? models.py class SectionList(models.Model): GUID = models.UUIDField(default=uuid.uuid4, editable=True, unique=True) object = models.ForeignKey(ObjectList, related_name=’object’, on_delete=models.CASCADE,… Read More How to avoid duplicates bcs of __str__ function Django

Advertisements I have written two classes in models.py (Django): class Name_tickers(models.Model): ticker = models.CharField(max_length = 32) name = models.CharField(max_length = 100) def __str__(self): return self.ticker class Close_stock(models.Model): date = models.DateField(), tiker_name = models.ForeignKey(Name_tickers, on_delete=models.CASCADE), price = models.DecimalField(max_digits=15, decimal_places=5) But was created: migrations.CreateModel( name=’Close_stock’, fields=[ (‘id’, models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name=’ID’)), (‘price’, models.DecimalField(decimal_places=5, max_digits=15)), ], ), migrations.CreateModel(… Read More The first field in the models.py not created, how to fix it? (django)

Advertisements I have written two classes in models.py (Django): class Name_tickers(models.Model): ticker = models.CharField(max_length = 32) name = models.CharField(max_length = 100) def __str__(self): return self.ticker class Close_stock(models.Model): date = models.DateField(), tiker_name = models.ForeignKey(Name_tickers, on_delete=models.CASCADE), price = models.DecimalField(max_digits=15, decimal_places=5) But was created: migrations.CreateModel( name=’Close_stock’, fields=[ (‘id’, models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name=’ID’)), (‘price’, models.DecimalField(decimal_places=5, max_digits=15)), ], ), migrations.CreateModel(… Read More The first field in the models.py not created, how to fix it? (django)

Advertisements I inadvertently did this: ordering = models.IntegerField(default="Order/position") I ran makemigrations and got no error. When I ran migrate it blew up with the error: ValueError: invalid literal for int() with base 10: ‘Order/position’ what I had meant to do was this: ordering = models.IntegerField(default=0, verbose_name="Order/Position") I updated to the correct field definition and while… Read More Cannot correct a failed migration django

Advertisements I am storing json object in a model and trying to access properties of my model but I am not able to access my properties which is in my model following is my json object which I am storing in model { "statusCode": 200, "success": true, "messages": [], "data": [ { "id": 35, "title":… Read More How to use model in flutter

Advertisements I have this kind of data that I pulled from my service and I’m importing it into an angular model. What I want to do here is to find those whose boolresult value is true in the model. I used the find method for this, but there is only 1 element, I want to… Read More How can i filter by value Angular Array or Angular model?

Advertisements i have to do wishlist, i have done wishlist page,model and html.But when i click on the button bellow my post, im redirected to wishlist page and post didnt saved in my wishlist.So thats my code: models.py class Wishlist(models.Model): user = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.CASCADE) wished_item = models.ForeignKey(Posts, on_delete=models.CASCADE) def __str__(self): return self.wished_item.title class Posts(models.Model): TYPE… Read More Django add to wishlist