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Select between two dates with Django
... in a model. You can set the DateField's auto_now_add parameter to True in order to have it easily.
– Benbb96
Mar 26 '18 at 13:28
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Android Whatsapp/Chat Examples [closed]
...e to understand how chat applications are programmed.
There is a website called Scringo. These awesome people provide their own SDK which you can integrate in your existing application to exploit cool features like radaring, chatting, feedback, etc. So if you are looking to integrate chat in applic...
“Delegate subtraction has unpredictable result” in ReSharper/C#?
...ode, you're always removing a single delegate. The second part talks about ordering of delegates after a duplicate delegate was removed. An event doesn't guarantee an order of execution for its subscribers, so it doesn't really affect you either.
Since the above mechanics can lead to unpredictab...
Given a view, how do I get its viewController?
...ne point, a view has only one view controller. Being able to get to it in order to pass a message back to it, should be an automatic feature, not one where you have to work to achieve (by adding a property to keep track). One could say the same thing about views: why do you need to know who child...
Load and execution sequence of a web page?
...you might get a
sequence like the following, where a
page has (in this order) references
to three script files, and five image
files, all of differing sizes:
GET script1 and script2; queue request for script3 and images1-5.
script2 arrives (it's smaller than script1): GET script3,...
How do you serialize a model instance in Django?
...h trying to serialize a single object, not a list of objects. That way, in order to get rid of different hacks, just use Django's model_to_dict (if I'm not mistaken, serializers.serialize() relies on it, too):
from django.forms.models import model_to_dict
# assuming obj is your model instance
dic...
Object of custom type as dictionary key
...ride __hash__ if you want special hash-semantics, and __cmp__ or __eq__ in order to make your class usable as a key. Objects who compare equal need to have the same hash value.
Python expects __hash__ to return an integer, returning Banana() is not recommended :)
User defined classes have __hash_...
How to fix “ImportError: No module named …” error in Python?
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What is the difference between SessionState and ViewState?
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How to find list of possible words from a letter matrix [Boggle Solver]
...manages a given path through the grid.
# Its an array of matrix-nodes in-order with
# Convenience functions for pretty-printing the paths
# and for extending paths as new paths.
# Usage:
# my $p = Prefix->new(path=>[ $startnode ]);
# my $c = $p->child( $extensionNode );
# pri...