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What does the @ symbol represent in objective-c?
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The @ character isn't used in C or C++ identifiers, so it's used to introduce Objective-C language keywords in a way that won't conflict with the other languages' keywords. This enables the "Objective" part of the language to freely intermix with the C or C++...
Generating random integer from a range
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rand() should be considered harmful in C++ there are much better ways of getting something that is uniformly distributed and actually random.
– Mgetz
Sep 12 '13 at 19:14
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How to See the Contents of Windows library (*.lib)
...r example) in order to call them correctly.
For functions linked with the C++ binary interface, the calling convention and arguments are encoded in the exported name of the function (also called "name mangling"). DUMPBIN /SYMBOLS will show you both the "mangled" function name as well as the decode...
Iterate over object keys in node.js
...tation. You can look at the spidermonkey source code and try writing it in C++ as a V8 extension.
You could try the following, however it will also load all the keys into memory
Object.keys(o).forEach(function(key) {
var val = o[key];
logic();
});
However since Object.keys is a native method...
Return array in a function
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To clarify, that "classic C++ statement" is false; arrays are not pointers.
– GManNickG
Aug 13 '10 at 2:24
26
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How to convert an enum type variable to a string?
... help of the Boost.Preprocessor library, which can be used with both C and C++ code, you can easily take advantage of the preprocessor and let it generate this function for you. The generation macro is as follows:
#include <boost/preprocessor.hpp>
#define X_DEFINE_ENUM_WITH_STRING_CONVERSIO...
How do I detect unsigned integer multiply overflow?
I was writing a program in C++ to find all solutions of a b = c , where a , b and c together use all the digits 0-9 exactly once. The program looped over values of a and b , and it ran a digit-counting routine each time on a , b and ab to check if the digits condition was satisfied.
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When to use “new” and when not to, in C++? [duplicate]
When should I use the "new" operator in C++? I'm coming from C#/Java background and instantiating objects is confusing for me.
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C++11 std::threads vs posix threads
...her abstraction level, a really good interface and plays nicely with other C++11 classes.
The C++11 std::thread class unfortunately doesn't work reliably (yet) on every platform, even if C++11 seems available. For instance in native Android std::thread or Win64 it just does not work or has severe p...
Why don't structs support inheritance?
... "inline storage" behavior of arrays, Bad Things happen, as can be seen in C++.
Consider this pseudo-C# code:
struct Base
{
public int A;
}
struct Derived : Base
{
public int B;
}
void Square(Base[] values)
{
for (int i = 0; i < values.Length; ++i)
values [i].A *= 2;
}
Derive...