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Efficient way to return a std::vector in c++
...
In C++11, this is the preferred way:
std::vector<X> f();
That is, return by value.
With C++11, std::vector has move-semantics, which means the local vector declared in your function will be moved on return and in some...
Why is this F# code so slow?
...mation at compile time to do this. This is how it would work if min3 was a C++ template function, so I'm a bit puzzled as to why F# doesn't do this.
– sashang
May 24 '11 at 0:00
42...
LLVM C++ IDE for Windows
Is there some C/C++ IDE for Windows, which is integrated with the LLVM compiler (and Clang C/C++ analyzer), just like modern Xcode do.
...
How do I disable the security certificate check in Python requests
...;> requests.get('https://kennethreitz.com', verify=False)
<Response [200]>
If you're using a third-party module and want to disable the checks, here's a context manager that monkey patches requests and changes it so that verify=False is the default and suppresses the warning.
import war...
Maximum execution time in phpMyadmin
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200
I have the same error, please go to
xampp\phpMyAdmin\libraries\config.default.php
Look f...
Returning a C string from a function
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{
return "My String";
}
Background:
It's so fundamental to C & C++, but little more discussion should be in order.
In C (& C++ for that matter), a string is just an array of bytes terminated with a zero byte - hence the term "string-zero" is used to represent this particular flavour...
How do I create and access the global variables in Groovy?
...otglobal=100 // This will not be accessible inside the function
iamglobal=200 // this is global and will be even available inside the
def func()
{
log.info "My value is 200. Here you see " + iamglobal
iamglobal=400
//log.info "if you uncomment me you will get error. Since iamnotglobal...
How can I center a div within another div? [duplicate]
...
You can center float div with this little code:
#div {
width: 200px;
height: 200px;
position: absolute;
left: 50%;
top: 50%;
margin-top: -100px;
margin-left: -100px;
}
share
...
How to generate a random number in C++?
...es but for any serious use they are mostly useless.
EDIT2:
When using C or C++ standard library it is important to understand that as of now there is not a single standard function or class producing actually random data definitively (guaranteed by the standard). The only standard tool that approach...
What is object slicing?
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Interesting. I've been programming in C++ for 15 years and this issue never occurred to me, as I've always passed objects by reference as a matter of efficiency and personal style. Goes to show how good habits can help you.
– Karl Bielefeld...