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Django: Get list of model fields?
...answers are outdated I'll try to update you on Django 2.2
Here posts- your app (posts, blog, shop, etc.)
1) From model link: https://docs.djangoproject.com/en/stable/ref/models/meta/
from posts.model import BlogPost
all_fields = BlogPost._meta.fields
#or
all_fields = BlogPost._meta.get_fields()
No...
How do I reference a Django settings variable in my models.py?
...e to a project deployed in several environments, do not try to import from app.settings. Overwritten variables in the other files won't take effect. Always use the import mentioned in this answer. It took me a few hours to realize what was going on in my project.
– Ev.
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How to change the background color of a UIButton while it's highlighted?
At some point in my app I have a highlighted UIButton (for example when a user has his finger on the button) and I need to change the background color while the button is highlighted (so while the finger of the user is still on the button).
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Can't Find Theme.AppCompat.Light for New Android ActionBar Support
...o next:
File->Import (android-sdk\extras\android\support\v7). Choose "AppCompat"
Project-> properties->Android. In the section library "Add" and choose "AppCompat"
That is all!
Note: if you are using "android:showAsAction" in menu item, you need to change prefix android as in ...
How to sort a list of objects based on an attribute of the objects?
...using that iterator here: github.com/TallerTechnologies/dishey/blob/master/app.py#L28 raises attribute error. Maybe because of python3, but still...
– tutuca
Jan 10 '13 at 4:06
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How to get a Fragment to remove itself, i.e. its equivalent of finish()?
I'm converting an app to use fragments using the compatibility library.
Now currently I have a number of activities (A B C D) which chain onto one another, D has a button 'OK' which when pressed calls finish which then bubbles up through onActivityResult() to additionally destroy C and B.
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What's the simplest way to subtract a month from a date in Python?
...with adding or subtracting months: months have different lengths! In some application an exception is appropriate in such cases, in others "the last day of the previous month" is OK to use (but that's truly crazy arithmetic, when subtracting a month then adding a month is not overall a no-operation...
Difficulty with ng-model, ng-repeat, and inputs
...tems by using ngRepeat and ngModel . ( See this fiddle .) However, both approaches I've tried lead to bizarre behavior: one doesn't update the model, and the other blurs the form on each keydown.
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What is JNDI? What is its basic use? When is it used?
... Directory Interface.
What is its basic use?
JNDI allows distributed applications to look up services in an abstract, resource-independent way.
When it is used?
The most common use case is to set up a database connection pool on a Java EE application server. Any application that's deplo...
Testing modules in rspec
...ch one of your specs and in the next spec where you decide to use the same approach and reopen the DummyClass definition it might already contain something (though in this trivial example the definition is strictly empty, in real life use cases it's likely that something gets added at some point and...