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Fastest way to reset every value of std::vector to 0

What's the fastest way to reset every value of a std::vector<int> to 0 and keeping the vectors initial size ? 6 An...
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Can you set a border opacity in CSS?

Is there a straight forward CSS way to make the border of an element semi-transparent with something like this? 9 Answers ...
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How to compute the sum and average of elements in an array?

I am having problems adding all the elements of an array as well as averaging them out. How would I do this and implement it with the code I currently have? The elements are supposed to be defined as I have it below. ...
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What does “fragment” mean in ANTLR?

What does fragment mean in ANTLR? 4 Answers 4 ...
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Is it possible to set a number to NaN or infinity?

Is it possible to set an element of an array to NaN in Python? 4 Answers 4 ...
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Is False == 0 and True == 1 an implementation detail or is it guaranteed by the language?

Is it guaranteed that False == 0 and True == 1 , in Python (assuming that they are not reassigned by the user)? For instance, is it in any way guaranteed that the following code will always produce the same results, whatever the version of Python (both existing and, likely, future ones)? ...
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How can you profile a Python script?

Project Euler and other coding contests often have a maximum time to run or people boast of how fast their particular solution runs. With Python, sometimes the approaches are somewhat kludgey - i.e., adding timing code to __main__ . ...
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Razor HtmlHelper Extensions (or other namespaces for views) Not Found

Dunno if this was happening in the PR or Beta, but if I create an extension method on HtmlHelper , it is not recognized in a Razor powered page: ...
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Creating a Pandas DataFrame from a Numpy array: How do I specify the index column and column headers

I have a Numpy array consisting of a list of lists, representing a two-dimensional array with row labels and column names as shown below: ...
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How to calculate the angle between a line and the horizontal axis?

In a programming language (Python, C#, etc) I need to determine how to calculate the angle between a line and the horizontal axis? ...