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What is the purpose of the “final” keyword in C++11 for functions?
What is the purpose of the final keyword in C++11 for functions? I understand it prevents function overriding by derived classes, but if this is the case, then isn't it enough to declare as non-virtual your final functions? Is there another thing I'm missing here?
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Why can I use auto on a private type?
...not show that he is not scared by calling Wizard::LordVoldemort; in modern C++. Instead, he calls using Wizard::LordVoldemort;. (It doesn't feel so natural to use Voldemort, honestly. ;-)
– L. F.
Mar 23 '19 at 8:51
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What does && mean in void *p = &&abc;
... current function.
void *p = &&abc is illegal in standard C99 and C++.
This compiles with g++.
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What's the difference between compiled and interpreted language?
...ence, because both are interpreted languages. Java (interpreted) and C (or C++) (compiled) might have been a better example.
Why the striked-through text? As this answer correctly points out, interpreted/compiled is about a concrete implementation of a language, not about the language per se. Wh...
What's the difference between SCSS and Sass?
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@Novocaine +1, I agree. As a C++ programmer, I prefer the brackets and semicolons. BTW, I have a question, does the conversion from .scss to .css the same as .css to .scss?
– JW.ZG
Feb 2 '16 at 4:42
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How do I use CMake?
... This works under Linux, but on Windows it breaks on detecting the C/C++ compiler. Any ideas how to do that?
– bartlomiej.n
Nov 21 '18 at 19:07
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How do you determine the size of a file in C?
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Matt's solution should work, except that it's C++ instead of C, and the initial tell shouldn't be necessary.
unsigned long fsize(char* file)
{
FILE * f = fopen(file, "r");
fseek(f, 0, SEEK_END);
unsigned long len = (unsigned long)ftell(f);
fclose(f);
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Why do x86-64 systems have only a 48 bit virtual address space?
...ought the definition of portable software is that it can. :-) For example, C++ forbids comparing pointers into different arrays so that they can be in separate 4GB segments.
– Bo Persson
Jul 17 '11 at 7:48
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What is Prefix.pch file in Xcode?
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What is Prefix.pch file?
A .pch is a Pre-Compiled Header.
In the C and C++ programming languages, a header file is a file whose text may be automatically included in another source file by the C preprocessor, usually specified by the use of compiler directives in the source file.
Prefix headers...
Mod of negative number is melting my brain
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Please note that C# and C++'s % operator is actually NOT a modulo, it's remainder. The formula for modulo that you want, in your case, is:
float nfmod(float a,float b)
{
return a - b * floor(a / b);
}
You have to recode this in C# (or C++) bu...