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Django: How to manage development and production settings?

...s you define environment variables in an "environment" (.env) file. Finally, note that you can take advantage of the PYTHONPATH variable to store the settings in a completely different location (e.g. on a production server, storing them in /etc/). This allows for separating configuration from ap...
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Cosine Similarity between 2 Number Lists

... scientific routines for example, "routines for computing integrals numerically, solving differential equations, optimization, and sparse matrices." It uses the superfast optimized NumPy for its number crunching. See here for installing. Note that spatial.distance.cosine computes the distance, and ...
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What is the reason why “synchronized” is not allowed in Java 8 interface methods?

...t seem sensible to extend this semantics to default methods as well; after all, they are instance methods with a receiver too. (Note that synchronized methods are entirely a syntactic optimization; they're not needed, they're just more compact than the corresponding synchronized block. There's a r...
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Unique BooleanField value in Django?

... save method of the model and if you've set the boolean to True, make sure all others are set to False. from django.db import transaction class Character(models.Model): name = models.CharField(max_length=255) is_the_chosen_one = models.BooleanField() def save(self, *args, **kwargs): ...
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Why does sys.exit() not exit when called inside a thread in Python?

...and I'm confused as to why the following code snippet would not exit when called in the thread, but would exit when called in the main thread. ...
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What are deferred objects?

...As of jQuery 1.5, the Deferred object provides a way to register multiple callbacks into self-managed callback queues, invoke callback queues as appropriate, and relay the success or failure state of any synchronous or asynchronous function. Deferred Methods: deferred.done() Add handlers to be cal...
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How to set ViewBag properties for all Views without using a base class for Controllers?

...h as the current user, onto ViewData/ViewBag in a global fashion by having all Controllers inherit from a common base controller. ...
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ADB Shell Input Events

..." 3 --> "KEYCODE_HOME" 4 --> "KEYCODE_BACK" 5 --> "KEYCODE_CALL" 6 --> "KEYCODE_ENDCALL" 7 --> "KEYCODE_0" 8 --> "KEYCODE_1" 9 --> "KEYCODE_2" 10 --> "KEYCODE_3" 11 --> "KEYCODE_4" 12 --> "KEYCODE_5" 13 --> "KEYCODE_6" 14 --> "KEYCODE_7" 1...
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How to list all tags along with the full message in git?

I want git to list all tags along with the full annotation or commit message. Something like this is close: 8 Answers ...
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How can I create a unique constraint on my column (SQL Server 2008 R2)?

...lready have. It doesn't need to be entered into the expression dialogue at all. share | improve this answer | follow | ...