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Why do some functions have underscores “__” before and after the function name?
...derscore in a name is a bit like choosing between protected and private in C++ and Java? _single_leading_underscore can be changed by children, but __double_leading_underscore can't?
– Alex W
Jun 4 '14 at 21:00
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Any difference between First Class Function and High Order Function
...unctions as such. But something similar is the case e.g. with templates in C++: templates are higher-order (you can have "template template parameters"), but not first class values, i.e., templates cannot be parameters to ordinary functions. Similarly with e.g. modules/functors in ML.
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What does iota of std::iota stand for?
...gets used in mathematics to denote sets of numbers or unit vectors. In the C++ case, you get a constructed vector set. Nothing to do with itoa.
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Is it possible to figure out the parameter type and return type of a lambda?
...ion_traits implementation based on Specializing a template on a lambda in C++0x which can give the parameter types. The trick, as described in the answer in that question, is to use the decltype of the lambda's operator().
template <typename T>
struct function_traits
: public function_t...
How to properly overload the
I am writing a small matrix library in C++ for matrix operations. However my compiler complains, where before it did not. This code was left on a shelf for 6 months and in between I upgraded my computer from debian etch to lenny (g++ (Debian 4.3.2-1.1) 4.3.2
) however I have the same problem on a Ub...
C++11 range based loop: get item by value or reference to const
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C# DLL config file
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In managed C++ for VS 2008 System::Configuration::Configuration^ appConfig = ConfigurationManager::OpenExeConfiguration(Assembly::GetExecutingAssembly()->Location); String^ name = appConfig->AppSettings->Settings["name"]-...
How to echo with different colors in the Windows command line
...;
print( "" );
print( "Colors :" );
for ( var c = 0 ; c < 16 ; c++ ) {
Console.BackgroundColor = c;
Console.Write( " " );
Console.BackgroundColor=currentBackground;
Console.Write( "-"+c );
Console.WriteLine( "" );
}
Console.Backgroun...
How to specialize std::hash::operator() for user-defined type in unordered containers?
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how to provide a swap function for my class?
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