If you are using an modelform for a class that uses an ManyToMany-Field and you have overwritten the save-Method in your Form, you’re gonna have a bad time. But wait, there is an solution, inspired by http://stackoverflow.com/questions/1925383/issue-with-manytomany-relationships-not-updating-inmediatly-after-save .

To return a list oft all days between two dates, just take the following function based on the useful datetime-library: Quelle: http://bytes.com/topic/python/answers/774887-how-create-list-dates-between-two-dates

I’m often searching for a way, to pass data to forms, without changing the view. So, let’s do it in a simple way. I’m gonna create a Model and overwrite the save-method and the __init__-method. At first, you have to change the __init__-method: As you can see, i passed a new argument “user” and gave…

I know, this is not the best way and you probably shouldn’t use ist in production, but for me this little snippet was always very helpful for developing with Django: This way, you can register all models from an app in your admin.py at once.