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Django rest framework, use different serializers in the same ModelViewSet

...at there is also a get_serializer method which returns an instance of the correct Serializer class DualSerializerViewSet(viewsets.ModelViewSet): def get_serializer_class(self): if self.action == 'list': return serializers.ListaGruppi if self.action == 'retrieve': ...
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What is the difference between Class and Klass in ruby?

... class is a keyword used to define a new class. Since it's a reserved keyword, you're not able to use it as a variable name. You can't use any of Ruby's keywords as variable names, so you won't be able to have variables named def or module o...
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How to clear the cache of nginx?

...jack mentioned it above in the comments. When I turned off sendfile - it worked fine. This is because: Sendfile is used to ‘copy data between one file descriptor and another‘ and apparently has some real trouble when run in a virtual machine environment, or at least when run through Virtua...
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Difference of keywords 'typename' and 'class' in templates?

For templates I have seen both declarations: 6 Answers 6 ...
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Abstract class in Java

...g subclass that can be instantiated. An abstract class does a few things for the inheriting subclass: Define methods which can be used by the inheriting subclass. Define abstract methods which the inheriting subclass must implement. Provide a common interface which allows the subclass to be inter...
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What is the difference between pip and conda?

I know pip is a package manager for python packages. However, I saw the installation on IPython's website use conda to install IPython. ...
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In what cases could `git pull` be harmful?

... pull creates merge commits which add noise and complexity to the code history. In addition, pull makes it easy to not think about how your changes might be affected by incoming changes. The git pull command is safe so long as it only performs fast-forward merges. If git pull is configured to onl...
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Understanding Fragment's setRetainInstance(boolean)

...o answer your questions: Does the fragment also retain its view state, or will this be recreated on configuration change - what exactly is "retained"? Yes, the Fragment's state will be retained across the configuration change. Specifically, "retained" means that the fragment will not be destro...
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JUnit confusion: use 'extends TestCase' or '@Test'?

I've found the proper use (or at least the documentation) of JUnit very confusing. This question serves both as a future reference and as a real question. ...
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Best way to define error codes/strings in Java?

... service in Java, and I am trying to figure out the best way to define error codes and their associated error strings . I need to have a numerical error code and an error string grouped together. Both the error code and error string will be sent to the client accessing the web service. For example,...