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Django: Why do some model fields clash with each other?
..._digits=5)
animal = models.ForeignKey(
Animal, related_name="%(app_label)s_%(class)s_related")
class Meta:
abstract = True
class Height(Value):
pass
class Weigth(Value):
pass
class Length(Value):
pass
No clash here, but related_name is defined once and Djang...
SQlite Getting nearest locations (with latitude and longitude)
...
1) At first filter your SQLite data with a good approximation and decrease amount of data that you need to evaluate in your java code. Use the following procedure for this purpose:
To have a deterministic threshold and more accurate filter on data, It is better to calcula...
How to programmatically take a screenshot on Android?
...s", now);
try {
// image naming and path to include sd card appending name you choose for file
String mPath = Environment.getExternalStorageDirectory().toString() + "/" + now + ".jpg";
// create bitmap screen capture
View v1 = getWindow().getDecorView().getRoo...
How to get the full path of running process?
I am having a application that is changing some settings of other application (it is a simple C# application that run by double clicking (no setup required)).
...
Django - how to create a file and save it to a model's FileField?
...der. Turns out the issue is that I'm using docker-compose to run my django app along with a celery worker. The django app volume for MEDIA_ROOT was not shared with the same volume in the celery worker. Sharing the named volume fixed it (ref).
– shadi
May 12 '18...
Cookie overflow in rails application?
...ation
rake db:migrate
Modify config/initializers/session_store.rb from
(App)::Application.config.session_store :cookie_store, :key => 'xxx'
to
(App)::Application.config.session_store :active_record_store
Once you’ve done the three steps, restart your application. Rails will now use the...
How to display count of notifications in app launcher icon [duplicate]
...hout custom launchers and touch interfaces) does not allow changing of the application icon, because it is sealed in the .apk tightly once the program is compiled. There is no way to change it to a 'drawable' programmatically using standard APIs. You may achieve your goal by using a widget instead o...
How to create a drop-down list?
...electedListener with this.
You can add a strings list from xml
There is an appCompat version of this view.
More information:
This is the basics but there is more to be self taught with experimentation.
https://developer.android.com/guide/topics/ui/controls/spinner.html
...
Best explanation for languages without null
...in the world. The key is not to add more complexity when implementing the mapping between "world states" and "program states" in your software.
– Brian
Oct 21 '10 at 19:13
...
Facebook Android Generate Key Hash
Trying to create an android app with Facebook integration, I've gotten to the part in the docs where you have to generate a key hash file, it specifies to run the following code
...