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Do event handlers stop garbage collection from occurring?
...rticular, the target): it depends whether MyFunction is static or instance-based.
A delegate (such as an event subscription) to an instance method includes a reference to the instance. So yes, an event subscription will prevent GC. However, as soon as the object publishing the event (pClass above) ...
Git: how to reverse-merge a commit?
...esults of git show relate to parent numbers. Is the "order they appear" 1-based? 0-based? In this example specifically, what is the SHA1 of parent 1? e4c54b3 or 4725ad2?
– cowlinator
Dec 5 '17 at 20:33
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How to modify Github pull request？
... can be useful for pull requests. It's not recommended because if someone bases a commit on top of yours then they will have to do a rebase after your change. But since nobody should be basing their work on an under-review pull request, it should be pretty safe in this situation.
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SQLite add Primary Key
... a table in Sqlite by using the CREATE TABLE AS syntax to create a table based on a SELECT statement. Now this table has no primary key but I would like to add one.
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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...