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How do I clone a Django model instance object and save it to the database?
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Use the below code :
from django.forms import model_to_dict
instance = Some.objects.get(slug='something')
kwargs = model_to_dict(instance, exclude=['id'])
new_instance = Some.objects.create(**kwargs)
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How to send HTTP request in java? [duplicate]
... connection.setRequestProperty("Content-Type",
"application/x-www-form-urlencoded");
connection.setRequestProperty("Content-Length",
Integer.toString(urlParameters.getBytes().length));
connection.setRequestProperty("Content-Language", "en-US");
connection.setUseCach...
Send and receive messages through NSNotificationCenter in Objective-C?
...erver of the TestNotification.
// We tell the notification center to inform us of "TestNotification"
// notifications using the receiveTestNotification: selector. By
// specifying object:nil, we tell the notification center that we are not
// interested in who posted the notification...
How to Programmatically Add Views to Views
...ng practice, on findViewById, cast to ViewGroup or always the most generic form of an object so that if it changes from a LinearLayout to a RelativeLayout, you have no refactoring.
– Joel Teply
Apr 3 '15 at 16:59
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Mathematical functions in Swift
... import UIKit.
import UIKit
You can easily discover your playground platform by opening File Inspector (⌥⌘1).
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How to increment a datetime by one day?
...-29T23:59:00-10:00
tomorrow = add_day(today_tz)
return tomorrow.isoformat() == '2011-12-31T23:59:00+14:00'
def test_dst(add_day):
"""Test if add_day properly increases the calendar day if DST happens."""
tz = pytz.timezone('Europe/Berlin')
today_utc = datetime.datetime(2018, 3,...
Can you use CSS to mirror/flip text?
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You can use CSS transformations to achieve this. A horizontal flip would involve scaling the div like this:
-moz-transform: scale(-1, 1);
-webkit-transform: scale(-1, 1);
-o-transform: scale(-1, 1);
-ms-transform: scale(-1, 1);
transform: scale(...
Jinja2 shorthand conditional
...xchange.using('gps', function() { StackExchange.gps.track('embedded_signup_form.view', { location: 'question_page' }); });
$window.unbind('scroll', onScroll);
}
};
...
How do you get the rendered height of an element?
...bahti unless it itself has a limited height and an overflow:hidden or some form of overflow:scroll, the element will expand (whether in your view or not) to show all the content and scrollHeight and clientHeight will be equal.
– Ulad Kasach
Jan 19 '16 at 14:05
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Best programming aids for a quadriplegic programmer
...netic_alphabet You can't realistically get by without this when using any form of speech recognition.
VIM. (or emacs I guess - not sure). Vim is a great for editing text without touching the mouse - ever. This makes it great for editing texts using WSR. I am only a VIM beginner myself but find it ...