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constant pointer vs pointer on a constant value [duplicate]
...ant and immutable but the pointed data is not.
You could use const_cast(in C++) or c-style cast to cast away the constness in this case as data itself is not constant.
const char * a;
means that the pointed data cannot be written to using the pointer a.
Using a const_cast(C++) or c-style cast to...
How do I print a double value with full precision using cout?
...
@MikeFisher You're right, C++11 introduces max_digits10 to denote the same. Fixed the answer to reflect this.
– legends2k
Aug 24 '15 at 7:47
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How do I create my own URL protocol? (e.g. so://…) [closed]
...use to do it reliably you can't do it in managed code and have to do it in C++ (I suppose you could use VB6). You should consider whether you really need to do this and if you do, design it carefully and code it securely. An attacker can easily control the content that gets passed to you by simply i...
How to determine if a string is a number with C++?
...eturn !s.empty() && it == s.end();
}
Or if you want to do it the C++11 way:
bool is_number(const std::string& s)
{
return !s.empty() && std::find_if(s.begin(),
s.end(), [](unsigned char c) { return !std::isdigit(c); }) == s.end();
}
As pointed out in the comment...
How do I initialize an empty array in C#?
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@RickO'Shea - C++ is not C#. Stroustrup knows his C++ - not so sure he knows his C# and the .NET GC. Not gonna go into a religious war with you.
– Oded
Feb 9 '17 at 22:16
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How to pass parameters correctly?
I am a C++ beginner but not a programming beginner.
I'm trying to learn C++(c++11) and it's kinda unclear for me the most important thing: passing parameters.
...
How to compile and run C/C++ in a Unix console/Mac terminal?
How can I compile/run C or C++ in Unix console or a Mac terminal?
16 Answers
16
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How do I install PyCrypto on Windows?
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If you don't already have a C/C++ development environment installed that is compatible with the Visual Studio binaries distributed by Python.org, then you should stick to installing only pure Python packages or packages for which a Windows binary is avail...
Where to put include statements, header or source?
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Same question expanding to c++ : what if my struct/class has a field/member of type size_t or std::string?
– andrybak
Nov 15 '13 at 13:32
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Should one use < or
...bel
jmp loopStartLabel
exitLoopLabel:
I just checked and Microsoft's C++ compiler does not do this optimization, but it does if you do:
for (int i = 10; i >= 0; i--)
So the moral is if you are using Microsoft C++†, and ascending or descending makes no difference, to get a quick loop y...