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What are the most widely used C++ vector/matrix math/linear algebra libraries, and their cost and be
... years, and it gets frustrating. At one point, I used GSL for C and wrote C++ wrappers around it, but with modern C++ -- especially using the advantages of expression templates -- we shouldn't have to mess with C in the 21st century. Just my tuppencehapenny.
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Finding the type of an object in C++
I have a class A and another class that inherits from it, B. I am overriding a function that accepts an object of type A as a parameter, so I have to accept an A. However, I later call functions that only B has, so I want to return false and not proceed if the object passed is not of type B.
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printf with std::string?
...hing at all could happen.
The easiest way to fix this, since you're using C++, is printing it normally with std::cout, since std::string supports that through operator overloading:
std::cout << "Follow this command: " << myString;
If, for some reason, you need to extract the C-style ...
How to compile for Windows on Linux with gcc/g++?
I have written some effects in C++ (g++) using freeglut on Linux, and I compile them with
7 Answers
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Is there a max array length limit in C++?
Is there a max length for an array in C++?
12 Answers
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How to create a template function within a class? (C++)
.... Unfortunately I don't know if this is a compiler-specific extension, or C++ standard.
– Patrick Johnmeyer
Jun 10 '09 at 1:14
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What is the meaning of prepended double colon “::”?
...PATH in effect. Similarly...
::std::cout
...is equally explicit in the C++ namespace "tree".
Contrasting with such absolute paths, you can configure good UNIX shells (e.g. zsh) to resolve relative paths under your current directory or any element in your PATH environment variable, so if PATH=/u...
Difference in make_shared and normal shared_ptr in C++
...Update I: Exception-Safety
NOTE (2019/08/30): This is not a problem since C++17, due to the changes in the evaluation order of function arguments. Specifically, each argument to a function is required to fully execute before evaluation of other arguments.
Since the OP seem to be wondering about th...
CGridCellNumeric - A numeric cell class for the MFC Grid - C/C++ - 清泛网 - 专注C++内核技术
CGridCellNumeric - A numeric cell class for the MFC GridCGridCellNumeric-A-numeric-cell-class-for-the-MFC-GridA locale aware, editable, self validating numeric cell class for the MFC Grid. Configurable for integers, floating...A locale aware, editable, self validating numeric cell class for the MFC ...
CGridCellNumeric - A numeric cell class for the MFC Grid - C/C++ - 清泛网 - 专注C++内核技术
CGridCellNumeric - A numeric cell class for the MFC GridCGridCellNumeric-A-numeric-cell-class-for-the-MFC-GridA locale aware, editable, self validating numeric cell class for the MFC Grid. Configurable for integers, floating...A locale aware, editable, self validating numeric cell class for the MFC ...