Hey guys,
how can I achieve the following? I have two models (blogs and readers) and a JOIN table that will allow me to have an N:M relationship between them:
class Blog < ActiveRecord::Base
has_many :blogs_readers, :dependent => :destroy
has_many :readers, :through => :blogs_readers
end
class Reader < ActiveRecord::Base
has_many :...
I have two models (users and courses) and a JOIN table that allows enrollments in the course:
class User < ActiveRecord::Base
has_many :enrollments, :dependent => :destroy
has_many :courses, :through => :enrollments
end
class Course < ActiveRecord::Base
has_many :enrollments, :dependent => :destroy
has_many :users, :throu...
Hello there,
I am having trouble getting this to work.
My problem is. I have A number of models (Article, Video, Photo)
Now I am trying to create a related_to association, such that
An article can have many other articles, videos and photos related to it. As can videos and photos.
Heres what I have tried
module ActsAsRelatable
def...
The only thing I can find when dealing with master/detail and LINQ is through databinding. However, I am using LINQ to query my data and will need to manually loop through results without the need for databinding. My final intent is to loop through a master result set, get a grouped list of children, and output the master/detail data as ...
Assuming the following model:
class Category(models.Model):
related = models.ManyToManyField('self', symmetrical = False, through = 'CategoryRelation', null = True, blank = True)
Assuming the following intermediate 'through' relation:
class CategoryRelation(models.Model):
source = models.ForeignKey('Category', null = False, b...
I want to store which user invited another user to a group... but django is telling me this is ambigous and against the rules (which makes sense).
groups.group: Intermediary model
Group_to_Member has more than one
foreign key to User, which is
ambiguous and is not permitted.
So how do I do this correctly? Maybe a generic rel...
Hi,
i have a website which uses top in javascript to show bookshops in a panel. Now i want to add this website into another website using a frame. But when i fix the url in the src of the frame , it changes the hierarchy of the pages or images and the bookshops are not shown.
Can anybody sugget me the solution for this.
Khushi
...
I have a problem making "exclude" querys on tables which have a many-to-many relationship through a third table. I have a table with projects, a table with people and a relationsship table with the flags "is_green, is_yellow, is_red", like:
class Project(models.Model):
...
class Person(models.Model):
projects = models.ManyToMan...
I currently am loading all images in a folder in my "MyPictures" folder on my machine which works fine...
foreach (string filename in Directory.GetFiles(Environment.GetFolderPath(Environment.SpecialFolder.MyPictures)))
What I really want to be able to do, though, is load all the images in my Images folder within my solution project. C...
Hello,
I am calling websevice through javascript by using SOAPClient
and its working in Internet Explorer But not working in Firefox.
Actually Its working in firefox also when a webservice within same folder or same project.
But it not working in firefox if the webservice is not within same project.
For Internet Explorer it works in ...
Hi All,
I have a models in Django that are something like this:
class Classification(models.Model):
name = models.CharField(choices=class_choices)
...
class Activity(models.Model):
name = models.CharField(max_length=300)
fee = models.ManyToManyField(Classification, through='Fee')
...
class Fee(models.Model):
activity = m...
I have a many to many relationship in rails. All database tables are named accordingly and appropriately. All model files are plural and use underscore to seperate words. All naming comventions are followed by ruby and rails standards. I'm using has many through in my models like this:
has_many :users, :through => :users_posts #Post...
Hi.
Say we have models
from django.db import models
class AutomaticModel(models.Model):
others = models.ManyToManyField('OtherModel')
class ManualModel(models.Model):
others = models.ManyToManyField('OtherModel', through='ThroughModel')
class OtherModel(models.Model):
pass
class ThroughModel(models.Model):
pblm = mo...
Hi thr..How can i include or exclude existing files/directories from current solution in c sharp through code..
...
Hi , I am trying to make the properties of class which can only be set through the constructor of the same class
...
model:
class Product(models.Model):
name = models.CharField(max_length = 128)
(...)
def __unicode__(self):
return self.name
class Receipt(models.Model):
name = models.CharField(max_length=128)
(...)
components = models.ManyToManyField(Product, through='ReceiptComponent')
def __unicode__(self):
return self.nam...
i'm having trouble in saving a m2m data, containing a 'through' class table.
I want to save all selected members (selected in the form) in the through table.
But i don't know how to initialise the 'through' table in the view.
my code:
class Classroom(models.Model):
user = models.ForeignKey(User, related_name = 'classroom_creator')...
I am trying to append a percentage to a text area in java. It involves a loop that determines the percentage and then appends that to another JFrame with the text area in it.
The "pro" class simply has a window with a JtextArea.
The problem that I am encountering is that the window appears to show the window underneath, as if it were ...
Consider the following models:
class Person(models.Model):
name = models.CharField(max_length=128)
class Group(models.Model):
name = models.CharField(max_length=128)
members = models.ManyToManyField(Person, through='Membership')
class Membership(models.Model):
person = models.ForeignKey(Person)
group = models.Forei...
I have the following models (simplified example):
class Book(models.Model):
users = models.ManyToManyField(User, through=Permission)
class Permission(models.Model):
user = models.ForeignKey(User)
role = models.ForeignKey(Group)
active = models.BooleanField()
book = models.ForeignKey(Book)
What I need is that for a Book instance ...