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What does numpy.random.seed(0) do?
What does np.random.seed do in the below code from a Scikit-Learn tutorial? I'm not very familiar with NumPy's random state generator stuff, so I'd really appreciate a layman's terms explanation of this.
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Display two files side by side
... unsorted text files of different lengths be display side by side (in columns) in a shell
9 Answers
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Can anyone explain python's relative imports?
I can't for the life of me get python's relative imports to work. I have created a simple example of where it does not function:
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How do different retention policies affect my annotations?
...va.lang.annotation.RetentionPolicy constants SOURCE , CLASS , and RUNTIME ?
5 Answers
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Passing arguments forward to another javascript function
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Use .apply() to have the same access to arguments in function b, like this:
function a(){
b.apply(null, arguments);
}
function b(){
alert(arguments); //arguments[0] = 1, etc
}
a(1,2,3);
You can test it out here.
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Using Jasmine to spy on a function without an object
I'm new to Jasmine and have just started using it. I have a library js file with lots of functions which are not associated with any object (i.e. are global). How do I go about spying on these functions?
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how to permit an array with strong parameters
I have a functioning Rails 3 app that uses has_many :through associations which is not, as I remake it as a Rails 4 app, letting me save ids from the associated model in the Rails 4 version.
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How to properly check if std::function is empty in C++11?
I was wondering how to properly check if an std::function is empty. Consider this example:
3 Answers
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Difference between passing array and array pointer into function in C
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First, some standardese:
6.7.5.3 Function declarators (including prototypes)
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7 A declaration of a parameter as ‘‘array of type’’ shall be adjusted to ‘‘qualified pointer to
type’’, where the type qualifiers (if a...
Is #pragma once part of the C++11 standard?
Traditionally, the standard and portable way to avoid multiple header inclusions in C++ was/is to use the #ifndef - #define - #endif pre-compiler directives scheme also called macro-guard scheme (see code snippet below).
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