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Smart pointers: who owns the object? [closed]
C++ is all about memory ownership - aka ownership semantics .
11 Answers
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Compiler error: memset was not declared in this scope
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You should include <string.h> (or its C++ equivalent, <cstring>).
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Linking R and Julia?
...verall statistics workflow for some time yet. So I'd like to use it where C++ is mainly used in R programs: to optimize slow portions of code. Before I invest the time in learning Julia, though, I am curious what facilities there are for embedding Julia snippets in R code.
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What is the exact problem with multiple inheritance?
...ltiple inheritance should be included into the next version of C# or Java. C++ folks, who are fortunate enough to have this ability, say that this is like giving someone a rope to eventually hang themselves.
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Variable number of arguments in C++?
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you should probably use <cstdarg> in C++ instead of <stdarg.h>
– newacct
Jan 8 '13 at 21:05
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Can I use break to exit multiple nested 'for' loops?
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AFAIK, C++ doesn't support naming loops, like Java and other languages do. You can use a goto, or create a flag value that you use. At the end of each loop check the flag value. If it is set to true, then you can break out of tha...
What is &&& operation in C
...y of the following:
c = i && 1;
c = !!i;
c = (bool)i; // C++ or C with <stdbool.h>
c = i ? 1 : 0; /* C */
c = i ? true : false; // C++
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STL：accumulate与自定义数据类型 - C/C++ - 清泛网 - 专注C/C++及内核技术
STL：accumulate与自定义数据类型C++ STL中有一个通用的数值类型计算函数— accumulate(),可以用来直接计算数组或者容器中C++内置数据类型，例如：#include <numeric>int...C++ STL中有一个通用的数值类型计算函数— accumulate(),可以用来直接...
stdbool.h C99标准杂谈 - C/C++ - 清泛网 - 专注C/C++及内核技术
...ol.h C99标准杂谈include <stdbool.h> 找不到头文件？？？bool 是C++中的关键字，C中不支持所以C99标准中引入了头文件 stdbool.h，包含了四个用于布尔型...include <stdbool.h> 找不到头文件？？？
bool 是C++中的关键字，C中不支持
所以C99标准...
error C2440: “return”: 无法从“const Screen”转换为“Screen &” - C/...
...转换为“Screen &”转换丢失限定符。出错代码（例子来自c++ primer 4th）：Screen& Screen::display(std::ostream& os) const{ os << contents...转换丢失限定符。
出错代码（例子来自c++ primer 4th）：
Screen& Screen::display(std::ostream& os) const
{
os <...