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How can I “unuse” a namespace?
One of the vagaries of my development system (Codegear C++Builder) is that some of the auto-generated headers insist on having...
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Writing a compiler in its own language
...le back ends that can be swapped out.
A little known fact is that the GNU C++ compiler has an implementation that uses only the C subset. The reason being it is usually easy to find a C compiler for a new target machine that allows you to then build the full GNU C++ compiler from it. You have now b...
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...
Scripting Language vs Programming Language [closed]
...attering of ones traditionally used with an explicit compilation step:
C
C++
D
Java (but note that Java is compiled to bytecode, which is then interpreted and/or recompiled at runtime)
Pascal
...and then you have things like Python that sit in both camps: Python is widely used without a compilat...
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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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
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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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