create-view

问题 I am trying to reverse from CreateView to DetailView after I have uploaded my Image. I get the same message NoReverseMatch at /photo/image/add Reverse for 'image-view' with arguments '()' and keyword arguments '{'pk': 50}' not found. 0 pattern(s) tried: [] This is my Model for Image from django.db import models from django.contrib.auth.models import User from django.contrib import admin from django.conf import settings from string import join import os class Image(models.Model): title =

问题 I am trying to reverse from CreateView to DetailView after I have uploaded my Image. I get the same message NoReverseMatch at /photo/image/add Reverse for 'image-view' with arguments '()' and keyword arguments '{'pk': 50}' not found. 0 pattern(s) tried: [] This is my Model for Image from django.db import models from django.contrib.auth.models import User from django.contrib import admin from django.conf import settings from string import join import os class Image(models.Model): title =

问题 I am trying to reverse from CreateView to DetailView after I have uploaded my Image. I get the same message NoReverseMatch at /photo/image/add Reverse for 'image-view' with arguments '()' and keyword arguments '{'pk': 50}' not found. 0 pattern(s) tried: [] This is my Model for Image from django.db import models from django.contrib.auth.models import User from django.contrib import admin from django.conf import settings from string import join import os class Image(models.Model): title =

问题 I have a django project and I created a post operation in this project, so the user will be able to share multiple picture posts. But I have a problem. I can't write multiple image upload function. I looked at a lot of content, but it doesn't work. Either it reports a problem or contex is not sent to the html page I wanted. Please help me. The multi picture function I want should be under CreateView and should be placed in the same templet as it. Also, there should be 4 Image upload buttons,

问题 I made a form for including Auth Groups. But when I post it I get a blank page (url /groups/) with an Error on terminal: "POST /grupos/ HTTP/1.1" 405 0 This is so weird, when I give refresh I see the list of groups, with nothing added. === urls.py url(r'^groups/$', login_required(TemplateUtilsListView.as_view(model=Group)), name='group_list'), url(r'^groups/add$', login_required(CreateView.as_view(model=Group, form_class=GroupForm, template_name='generic_insert.html')), name='group_create'),

问题 I'm trying to make a view. So far, I have written this: with ExpAndCheapMedicine(MostMoney, MinMoney) as ( select max(unitprice), min(unitprice) from Medicine ) , findmostexpensive(nameOfExpensive) as ( select tradename from Medicine, ExpAndCheapMedicine where UnitPrice = MostMoney ) , findCheapest(nameOfCheapest) as ( select tradename from Medicine, ExpAndCheapMedicine where UnitPrice = MinMoney ) CREATE VIEW showing as select tradename, unitprice, GenericFlag from Medicine; Unfortunately, I

问题 I'm trying to make a view. So far, I have written this: with ExpAndCheapMedicine(MostMoney, MinMoney) as ( select max(unitprice), min(unitprice) from Medicine ) , findmostexpensive(nameOfExpensive) as ( select tradename from Medicine, ExpAndCheapMedicine where UnitPrice = MostMoney ) , findCheapest(nameOfCheapest) as ( select tradename from Medicine, ExpAndCheapMedicine where UnitPrice = MinMoney ) CREATE VIEW showing as select tradename, unitprice, GenericFlag from Medicine; Unfortunately, I

问题 I am having issues writing this Create view statement in SQL. I want to get personID, first name, and last name from a table for people that go to the University of Colorado (uid = 2). Then I want to use the WITH clause to combine this table with my body_composition table and print out everything in the body_composition table as well. Here is the exact definition of the query I am making. First, write a query that returns the person’s id (pid), first name (fname) and last name (lname) from

问题 With a MySQL query, how can I take a table like in Example A: Example A +------+---------------+----------+ | id | value | class | +------+---------------+----------+ | 1 | 33.00 | total | | 1 | 12.00 | shipping | | 2 | 45.00 | total | | 2 | 15.00 | shipping | +------+---------------+----------+ And create a view like Example B? Example B +------+---------------+---------------+ | id | value_total | value_shipping| +------+---------------+---------------+ | 1 | 33.00 | 12.00 | | 2 | 45.00 |

问题 I have two models, there are Book and Author and I add ManyToMany field inside Book model class Author(models.Model): name = models.CharField(verbose_name='name', max_length=50) created_at = models.DateTimeField(auto_now_add=True) def __unicode__(self): return unicode(self.name) class Book(models.Model): title = models.CharField(verbose_name='title', max_length=50) authors = models.ManyToManyField(Author) # Many to many created_at = models.DateTimeField(auto_now_add=True) def __unicode__(self