Re: Set two fields to the same value
you could only assign a Field variable in the Model, "time" absolutely not a Field, the error appears. -- luthur On Thursday, July 12, 2012 at 9:51 PM, Jaroslav Dobrek wrote: > Hello, > > how can I design a model such that two fields are set to the same value when > a new object of the type defined by the model is created? > > Example: > > class Test(models.Model): > start_time = models.DateTimeField() > end_time = models.DateTimeField() > time = start_time > > > Users may create Test objects in order to run their own tests. A test always > starts at some date time and it always ends at some date time. Each test has > a time which is increased until it equals the end time. When a user creates a > new test (and before he uses it) the field time should have the same value as > the field start_time. > > The code above will produce a database error. > > Jaroslav > > -- > You received this message because you are subscribed to the Google Groups > "Django users" group. > To view this discussion on the web visit > https://groups.google.com/d/msg/django-users/-/ekl9tv3zHTIJ. > To post to this group, send email to django-users@googlegroups.com > (mailto:django-users@googlegroups.com). > To unsubscribe from this group, send email to > django-users+unsubscr...@googlegroups.com > (mailto:django-users+unsubscr...@googlegroups.com). > For more options, visit this group at > http://groups.google.com/group/django-users?hl=en. -- You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-users@googlegroups.com. To unsubscribe from this group, send email to django-users+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/django-users?hl=en.
Re: Error in blog
why not post your example? It's too abstract.
--
luthur
On Thursday, July 12, 2012 at 9:56 PM, jun wrote:
>
>
> On Thursday, July 12, 2012 7:40:46 PM UTC+8, lawgon wrote:
> > On Wed, 2012-07-11 at 23:29 -0700, jun wrote:
> > > I was trying out the blog example in Django by Example but ran into
> > > this error:
> > > Reverse for 'blog_post_add' with arguments '()' and keyword arguments
> > > '{}' not found.
> > >
> > > I think it has something to do with the urlpatterns since there is
> > > no /blog/post/add configuration there, and tried a few variations but
> > > nothing worked.
> > >
> > > What should I do next? Any django docs I can refer to, as in how to
> > > link the blog_post_add with the main url?
> >
> > what version of django are you using - is it the same version that is
> > being used in the example?
> > --
> > regards
> > Kenneth Gonsalves
> >
> Hi I'm using Django 1.4 now. Understand that the example is using 1.2. Would
> this have an effect?
>
> Regards,
> jun
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Re: Error in blog
i think you probably could visit
http://stackoverflow.com/questions/625047/django-newbie-reverse-not-found
for solution
--
luthur
On Thursday, July 12, 2012 at 11:30 PM, Tomas Neme wrote:
> Have you done the django tutorial, first? it covers named urls
>
> On Thu, Jul 12, 2012 at 11:06 AM, luthur (mailto:kongpo0...@gmail.com)> wrote:
> > why not post your example? It's too abstract.
> >
> > --
> > luthur
> >
> > On Thursday, July 12, 2012 at 9:56 PM, jun wrote:
> >
> >
> >
> > On Thursday, July 12, 2012 7:40:46 PM UTC+8, lawgon wrote:
> >
> > On Wed, 2012-07-11 at 23:29 -0700, jun wrote:
> > > I was trying out the blog example in Django by Example but ran into
> > > this error:
> > > Reverse for 'blog_post_add' with arguments '()' and keyword arguments '{}'
> > > not found.
> > >
> > > I think it has something to do with the urlpatterns since there is
> > > no /blog/post/add configuration there, and tried a few variations but
> > > nothing worked.
> > >
> > > What should I do next? Any django docs I can refer to, as in how to
> > > link the blog_post_add with the main url?
> > >
> >
> >
> > what version of django are you using - is it the same version that is
> > being used in the example?
> > --
> > regards
> > Kenneth Gonsalves
> >
> > Hi I'm using Django 1.4 now. Understand that the example is using 1.2. Would
> > this have an effect?
> >
> > Regards,
> > jun
> >
> > --
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> >
> >
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> >
>
>
>
>
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