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How to return a string value from a Bash function
...ntf '%q' "$var". %q is a format string for shell escape. Then just pass it raw.
– bb010g
Jul 23 '15 at 21:53
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unsigned int vs. size_t
I notice that modern C and C++ code seems to use size_t instead of int / unsigned int pretty much everywhere - from parameters for C string functions to the STL. I am curious as to the reason for this and the benefits it brings.
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Why do you have to link the math library in C?
If I include <stdlib.h> or <stdio.h> in a C program I don't have to link these when compiling but I do have to link to <math.h> , using -lm with gcc, for example:
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How to use hex color values
... of the few standard ones that UIColor allows you to use, but I have no idea how to do it.
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How can I rename a project folder from within Visual Studio?
My current solution for renaming the project folder is:
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How to hide image broken Icon using only CSS/HTML?
How can I hide the broken image icon?
Example :
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What does T&& (double ampersand) mean in C++11?
...ue_ptr. Since a unique_ptr maintains exclusive ownership of its underlying raw pointer, unique_ptr's can't be copied. That would violate their invariant of exclusive ownership. So they do not have copy constructors. But they do have move constructors:
template<class T> class unique_ptr {
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Why are there two ways to unstage a file in Git?
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What is Common Gateway Interface (CGI)?
...ection against executing incorrect files and/or serving up CGI programs as raw data in case the server gets misconfigured.
Why does Perl always comes in the way.
It doesn't. Perl was just big and popular at the same time as CGI.
I haven't used Perl CGI for years. I was using mod_perl for a l...