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How does numpy.histogram() work?
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When to use nil, blank, empty? [duplicate]
...method you ask for does not
belong to Ruby, it is a Rails
extension:
http://api.rubyonrails.com/classes/Object.html#M000011.
If you click through to the link at the end of that post you will find that the blank? method simply combines the nil? and empty? method calls.
...
c++ boost::multi_index composite keys efficiency - c++1y / stl - 清泛IT社区，为创新赋能！
...k questions and I will try my best to clarify exactly what I mean!
From：http://stackoverflow.com/questio ... ite-keys-efficiency
Lookups involving composite keys do not go through any two-stage process as you describe. composite_key-induced orderings are normal orderings, the only special thing ...
How to check if a user is logged in (how to properly use user.is_authenticated)?
... some strange bugs.
For example, I had a view that returned JSON
return HttpResponse(json.dumps({
"is_authenticated": request.user.is_authenticated()
}), content_type='application/json')
that after updated to the property request.user.is_authenticated was throwing the exception TypeError: ...
Can you turn off Peek Definition in Visual Studio 2013 and up?
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LINQ: Distinct values
...
Just use the Distinct() with your own comparer.
http://msdn.microsoft.com/en-us/library/bb338049.aspx
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How to check if variable's type matches Type stored in a variable
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C++ - passing references to std::shared_ptr or boost::shared_ptr
...voted answer, so I went looking for expert opinons and here they are.
From http://channel9.msdn.com/Shows/Going+Deep/C-and-Beyond-2011-Scott-Andrei-and-Herb-Ask-Us-Anything
Herb Sutter: "when you pass shared_ptrs, copies are expensive"
Scott Meyers: "There's nothing special about shared_ptr when it ...
How to execute a Python script from the Django shell?
...e is not enough.
After some digging, I found this Stack Overflow answer: https://stackoverflow.com/a/23241093
You now need to:
import os, django
os.environ.setdefault("DJANGO_SETTINGS_MODULE", "myapp.settings")
django.setup()
# now your code can go here...
Without doing the above, I was gettin...
WebService Client Generation Error with JDK8
...
Well, I found the solution. (based on http://docs.oracle.com/javase/7/docs/api/javax/xml/XMLConstants.html#ACCESS_EXTERNAL_SCHEMA)
Create a file named jaxp.properties (if it doesn't exist) under /path/to/jdk1.8.0/jre/lib and then write this line in it:
javax.xm...