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Published on 2010-05-05T03:45:20Z
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2010/05/05
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Hi All,
Suppose I have a variadic template function like
template<typename... Args>
unsigned length(Args... args);
How do I find the length of the parameter list ?
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I've been refactoring my horrible mess of C++ type-safe psuedo-enums to the new C++0x type-safe enums because they're way more readable. Anyway, I use them in exported classes, so I explicitly mark them to be exported:
enum class __attribute__((visibility("default"))) MyEnum : unsigned int
{
…
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Other than Microsoft's upcoming VC10?
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When will C++0x be released? Anyone here know anything?
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In this C++ tutorial, learn how to utilize Lambda expressions in your C++ Applications.
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If this was previously talked about, I'm sorry, I had a hard time searching on this.
I am calculating a depreciation rate. One portion of our calculation is 1/life in months. My table stores this data in a decimal field. I tried test = 1 / estimatedLife; but the result of the calculation of test…
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OK, before lecturing me on the use of C-style variadic functions in C++...everything else has turned out to require nothing short of rewriting the Qt MOC.
What I'd like to know is whether or not you can have a "slot" in a Qt object that takes an arbitrary amount/type of arguments. The thing is that…
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This is probably going to be a really simple explanation, but I'm going to give as much backstory as possible in case I'm wrong. Advanced apologies for being so verbose. I'm using gcc4.5, and I realize the c++0x support is still somewhat experimental, but I'm going to act on the assumption that…
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Assuming it's possible, how would one pass arguments by reference to a variadic function without generating a warning in PHP? We can no longer use the '&' operator in a function call, otherwise I'd accept that (even though it would be error prone, should a coder forget it).
What inspired this…
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I was wondering if in C/C++ language it is possible to pass arguments to function in key-value form.
For example in python you can do:
def some_function(arg0 = "default_value", arg1):
# (...)
value1 = "passed_value"
some_function(arg1 = value1)
So the alternative code in C could look like…
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I have functions that I wish to call based on some input. Each function has different number of arguments. In other words,
if (strcmp(str, "funcA") == 0) funcA(a, b, c);
else if (strcmp(str, "funcB") == 0) funcB(d);
else if (strcmp(str, "funcC") == 0) funcC(f, g);
This is a bit bulky and hard to…
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