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Determine if Python is running inside virtualenv

...r sys.base_prefix did not ever exist. So a fully robust check that handles all of these cases could look like this: import sys def get_base_prefix_compat(): """Get base/real prefix, or sys.prefix if there is none.""" return getattr(sys, "base_prefix", None) or getattr(sys, "real_prefix", No...
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Is Java “pass-by-reference” or “pass-by-value”?

... Java is always pass-by-value. Unfortunately, we never handle an object at all, instead juggling object-handles called references (which are passed by value of course). The chosen terminology and semantics easily confuse many beginners. It goes like this: public static void main(String[] args) { ...
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GDB missing in OS X v10.9 (Mavericks)

... I installed via brew, and keep getting "_____: not in executable format: File format not recognized" when I try to load an executable. Can anyone comment on how they got a successful install? – Parker ...
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Entity Framework - Code First - Can't Store List

... This is the only really correct answer IMHO. All the others require you to change your model, and that violates the principle that domain models should be persistence ignorant. (It is fine if you are using separate persistence and domain model...
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What's the difference between Spring Data's MongoTemplate and MongoRepository?

...goRepository but struggled with complex queries to find examples or to actually understand the Syntax. 3 Answers ...
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Using ChildActionOnly in MVC

... The ChildActionOnly attribute ensures that an action method can be called only as a child method from within a view. An action method doesn’t need to have this attribute to be used as a child action, but we tend to use this attribute to prevent the action methods from being invoked as a res...
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SQL Server Escape an Underscore

...000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 4...
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Get notified when UITableView has finished asking for data?

...eload its data. So, when the second NSLog is fired, the table view has actually finish asking for data. I've subclassed UITableView to send methods to the delegate before and after reloadData. It works like a charm. share ...
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What are attributes in .NET?

...ur objects/methods/properties. For example I might declare an Attribute called: DisplayOrder so I can easily control in what order properties should appear in the UI. I could then append it to a class and write some GUI components that extract the attributes and order the UI elements appropriately...
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Wrapping a C library in Python: C, Cython or ctypes?

I want to call a C library from a Python application. I don't want to wrap the whole API, only the functions and datatypes that are relevant to my case. As I see it, I have three choices: ...