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HTTP headers in Websockets client API
...ocket client with any HTTP header client which supports this, but I can't find how to do it with the JSON API.
11 Answers
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Best way to encode text data for XML in Java?
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Very simply: use an XML library. That way it will actually be right instead of requiring detailed knowledge of bits of the XML spec.
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When to use ref and when it is not necessary in C#
I have a object that is my in memory state of the program and also have some other worker functions that I pass the object to to modify the state. I have been passing it by ref to the worker functions. However I came across the following function.
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Test whether a list contains a specific value in Clojure
What is the best way to test whether a list contains a given value in Clojure?
18 Answers
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Disable a method in a ViewSet, django-rest-framework
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The definition of ModelViewSet is:
class ModelViewSet(mixins.CreateModelMixin,
mixins.RetrieveModelMixin,
mixins.UpdateModelMixin,
mixins.DestroyModelMixin,
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What is the most efficient way to store a list in the Django models?
Currently I have a lot of python objects in my code similar to the following:
12 Answers
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Find difference between timestamps in seconds in PostgreSQL
I have a table in PostgreSQL 8.3 with 2 timestamp columns. I would like to get the difference between these timestamps in seconds. Could you please help me how to get this done?
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What to use instead of “addPreferencesFromResource” in a PreferenceActivity?
I just noticed the fact that the method addPreferencesFromResource(int preferencesResId) is marked deprecated in Android's documentation ( Reference Entry ).
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warning: Insecure world writable dir /usr/local/bin in PATH, mode 040777
...ou will need to have root access to do this. If you aren't already the administrative user, login as the administrator. Then use 'sudo' to change the permissions:
sudo chmod go-w /usr/local/bin
Obviously, that will mean you can no longer install material in /usr/local/bin except via 'sudo', but...
How do I kill background processes / jobs when my shell script exits?
I am looking for a way to clean up the mess when my top-level script exits.
13 Answers
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