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Get all inherited classes of an abstract class [duplicate]
... you'd think.
You need to use Assembly.GetAssembly(typeof(T)) because your base class might be in a different assembly.
You need to use the criteria type.IsClass and !type.IsAbstract because it'll throw an exception if you try to instantiate an interface or abstract class.
I like forcing the enumer...
Sort array of objects by single key with date value
... an array of objects with several key value pairs, and I need to sort them based on 'updated_at':
19 Answers
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Django rest framework, use different serializers in the same ModelViewSet
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Based on @gonz and @user2734679 answers I've created this small python package that gives this functionality in form a child class of ModelViewset. Here is how it works.
from drf_custom_viewsets.viewsets.CustomSerializerView...
Creating email templates with Django
...r example, you would register your email :
from simple_mail.mailer import BaseSimpleMail, simple_mailer
class WelcomeMail(BaseSimpleMail):
email_key = 'welcome'
def set_context(self, user_id, welcome_link):
user = User.objects.get(id=user_id)
return {
'user': ...
Plurality in user messages
...ing that the information has to be determined per language, so any systems based on message files has to deal with varying amounts of plurality in a set of messages. Ouch! Setting up the translations would be tricky too - different numbers of messages are needed for different languages.
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How to create a trie in Python
...rable; trie
also provides fast advanced methods like prefix search.
Based on marisa-trie C++ library.
Here's a blog post from a company using marisa trie successfully:
https://www.repustate.com/blog/sharing-large-data-structure-across-processes-python/
At Repustate, much of our data mod...
PHP function overloading
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You cannot overload PHP functions. Function signatures are based only on their names and do not include argument lists, so you cannot have two functions with the same name. Class method overloading is different in PHP than in many other languages. PHP uses the same word but it descri...
When applying a patch is there any way to resolve conflicts?
... get "No files need merging" from git mergetool. Instead I had to find the base commit the original patch used, apply on top of that (luckily my repo had this) and then rebase.
– jozxyqk
Sep 11 '18 at 19:01
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What browsers support HTML5 WebSocket API?
...ywebsockets
websockify
gevent-websocket, gevent-socketio and flask-sockets based on the former
Autobahn
Tornado
In C:
libwebsockets
In Node.js:
Socket.io : Socket.io also has serverside ports for Python, Java, Google GO, Rack
sockjs : sockjs also has serverside ports for Python, Java, Erlang...
DESTDIR and PREFIX of make
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For what it's worth, in a cmake-based build you can emulate "case 4" (for stow, etc) by running cmake -DCMAKE_INSTALL_PREFIX=/foo/bar/baz -P cmake_install.cmake in the build directory.
– Ryan Pavlik
Sep 6 '12 at 17:12
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