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Use 'class' or 'typename' for template parameters? [duplicate]
When defining a function template or class template in C++, one can write this:
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What is the difference between std::array and std::vector? When do you use one over other? [duplicat
...h std::vectors; they compete more with C-style arrays.
Think of it as the C++ committee doing their best to kill off almost all legitimate use of C-style arrays.
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Mythical man month 10 lines per developer day - how close on large projects? [closed]
... client, four of us wrote a compiler that generated millions of lines of C/C++/Python/Java/OCaml code as well as documentation in 6 months which is 2,000 lines of code per day per developer. For another client, I replaced 50kLOC of C++ with 6kLOC of F# in 6 months which is -352 lines of code per day...
Undefined reference to static class member
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The problem comes because of an interesting clash of new C++ features and what you're trying to do. First, let's take a look at the push_back signature:
void push_back(const T&)
It's expecting a reference to an object of type T. Under the old system of initialization, such...
Replace part of a string with another string
Is it possible in C++ to replace part of a string with another string?
15 Answers
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Default template arguments for function templates
...t; >
void sort(Iterator beg, Iterator end, Comp c = Comp()) {
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C++0x introduces them to C++. See this defect report by Bjarne Stroustrup: Default Template Arguments for Function Templates and what he says
The prohibition of default template arguments for function templates is a misbe...
Why must we define both == and != in C#?
...why. I believe this is due to the fact that C# borrows much behavior from C++. See below for more on this.
When you override != and ==, you do not have to return bool.
This is another likely reason. In C#, this function:
public static int operator ==(MyClass a, MyClass b) { return 0; }
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Does it make any sense to use inline keyword with templates?
...use you can. (This rule of thumb is conforming to Vandevoorde's/Josuttis's C++ Template: The Complete Guide).
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What is a 'thunk'?
I've seen it used in programming (specifically in the C++ domain) and have no idea what it is. Presumably it is a design pattern, but I could be wrong. Can anyone give a good example of a thunk?
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Does the default constructor initialize built-in types?
...ill only invoke the default constructor if it is user-declared. (That's in C++03. In C++98 - only if the class is non-POD). If the class has no user-declared constructor, then the C() will not call the compiler-provided default constructor, but rather will perform a special kind of initialization th...