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shared_ptr to an array : should it be used?
...or T[]. So you may write
shared_ptr<int[]> sp(new int[10]);
From n4659, [util.smartptr.shared.const]
template<class Y> explicit shared_ptr(Y* p);
Requires: Y shall be a complete type. The expression delete[] p, when T is an array type, or delete p, when T is not an array typ...
How do I configure emacs for editing HTML files that contain Javascript?
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41
Another solution is multi-web-mode:
https://github.com/fgallina/multi-web-mode
which may be m...
ASP.NET MVC ambiguous action methods
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4
Nice! I hadn't seen the RequireRequestValue attribute yet. That's a good one to know.
– CoderDennis
J...
How do you get the magnitude of a vector in Numpy?
...y -- say x.norm() -- but oh well).
import numpy as np
x = np.array([1,2,3,4,5])
np.linalg.norm(x)
You can also feed in an optional ord for the nth order norm you want. Say you wanted the 1-norm:
np.linalg.norm(x,ord=1)
And so on.
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What's an object file in C?
...cHaocHao
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What does “Auto packing the repository for optimum performance” mean?
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314
Short version: it means what it says, and if you just let it finish, all will be well.
During m...
What are fixtures in programming?
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edited Mar 18 at 17:44
Nino Filiu
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answered...
bash HISTSIZE vs. HISTFILESIZE?
... lines.
You write 50 lines.
At the end of your 50 commands, only commands 41 to 50 are in your history list, whose size is determined by HISTSIZE=10.
You end your session.
Assuming histappend is not enabled, commands 41 to 50 are saved to your HISTFILE which now has the 10 commands it held at the ...
When does invoking a member function on a null instance result in undefined behavior?
...pointer results in undefined behavior" is mentioned in notes in both §1.9/4 and §8.3.2/4, it's never explicitly stated. (Notes are non-normative.)
However, one can try to deduced it from §3.10/2:
An lvalue refers to an object or function.
When dereferencing, the result is an lvalue. A nul...
Why does casting int to invalid enum value NOT throw exception?
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