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Why should I prefer to use member initialization lists?
...not mentioned in answers here is initialization of base class.
As per the order of construction, base class should be constructed before child class. Without constructor initializer list, this is possible if your base class has default constructor which will be called just before entering the const...
Convert JSON string to dict using Python
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Submit a form using jQuery [closed]
...ata...
}
});
});
});
Please note that, in order for the serialize() function to work in the example above, all form elements need to have their name attribute defined.
Example of the form:
<form id="myform" method="post" action="http://example.com/do_recieve_req...
vs.
...les work with dataURLS?)
<iframe class="page-icon preview-pane" frameborder="0" height="352" width="396" src="data:application/pdf;base64, ..DATAURLHERE!... "></iframe>
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improv...
rails - Devise - Handling - devise_error_messages
...h others, I recently wanted to change the devise_error_messages! method in order to use it in my views and make it display the trick I explained above.
So, here is my method:
def devise_error_messages!
html = ""
return html if resource.errors.empty?
errors_number = 0
html <...
What does static_assert do, and what would you use it for?
...r for static_assert functionality.
Currently I am using static_assert in order to enforce "Concepts" on a class.
example:
template <typename T, typename U>
struct Type
{
BOOST_STATIC_ASSERT(boost::is_base_of<T, Interface>::value);
BOOST_STATIC_ASSERT(std::numeric_limits<U>:...
How to check certificate name and alias in keystore files?
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In order to get all the details I had to add the -v option to romaintaz answer:
keytool -v -list -keystore <FileName>.keystore
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How do I get the row count of a pandas DataFrame?
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(3,3) matrix is bad example as it does not show the order of the shape tuple
– xaedes
Aug 15 '17 at 16:42
4
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How to calculate moving average using NumPy?
...nce of np.ones of a length equal to the sliding window length we want.
In order to do so we could define the following function:
def moving_average(x, w):
return np.convolve(x, np.ones(w), 'valid') / w
This function will be taking the convolution of the sequence x and a sequence of ones of l...
Android OpenGL ES and 2D
...targeting my development to android, however. I want to learn OpenGL ES in order to develop my 2D games. I chose it for performances purpose (since basic SurfaceView drawing isn't that efficient when it comes to RT games).
My question is: where to start?
I've spent over a month browsing Google and...