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Will strlen be calculated multiple times if used in a loop condition?

...g the string, a for loop is probably not the best way to iterate over each character. I'd think a while loop is more direct and easier to manage the index counter. – mlibby Jul 6 '12 at 15:40 ...
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How is std::function implemented?

... // function pointer types for the type-erasure behaviors // all these char* parameters are actually casted from some functor type typedef R (*invoke_fn_t)(char*, Args&&...); typedef void (*construct_fn_t)(char*, char*); typedef void (*destroy_fn_t)(char*); // type-aware...
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获取文件系统映像及恢复删除的数据(FAT文件系统格式描述) - C/C++ - 清泛...

...str()<< L"/n"; } int driveIndex; std::cin >> driveIndex;//selecting a disk std::vector<unsigned char> buffer; //creating a path std::wstring dumpPath(L"////.//PhysicalDrive"); wchar_t index[MAX_PATH]; _itow(devices.at(driveIndex).vHarddiskIndexes[0], index , MAX_P...
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获取文件系统映像及恢复删除的数据(FAT文件系统格式描述) - C/C++ - 清泛...

...str()<< L"/n"; } int driveIndex; std::cin >> driveIndex;//selecting a disk std::vector<unsigned char> buffer; //creating a path std::wstring dumpPath(L"////.//PhysicalDrive"); wchar_t index[MAX_PATH]; _itow(devices.at(driveIndex).vHarddiskIndexes[0], index , MAX_P...
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获取文件系统映像及恢复删除的数据(FAT文件系统格式描述) - C/C++ - 清泛...

...str()<< L"/n"; } int driveIndex; std::cin >> driveIndex;//selecting a disk std::vector<unsigned char> buffer; //creating a path std::wstring dumpPath(L"////.//PhysicalDrive"); wchar_t index[MAX_PATH]; _itow(devices.at(driveIndex).vHarddiskIndexes[0], index , MAX_P...
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获取文件系统映像及恢复删除的数据(FAT文件系统格式描述) - C/C++ - 清泛...

...str()<< L"/n"; } int driveIndex; std::cin >> driveIndex;//selecting a disk std::vector<unsigned char> buffer; //creating a path std::wstring dumpPath(L"////.//PhysicalDrive"); wchar_t index[MAX_PATH]; _itow(devices.at(driveIndex).vHarddiskIndexes[0], index , MAX_P...
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获取文件系统映像及恢复删除的数据(FAT文件系统格式描述) - C/C++ - 清泛...

...str()<< L"/n"; } int driveIndex; std::cin >> driveIndex;//selecting a disk std::vector<unsigned char> buffer; //creating a path std::wstring dumpPath(L"////.//PhysicalDrive"); wchar_t index[MAX_PATH]; _itow(devices.at(driveIndex).vHarddiskIndexes[0], index , MAX_P...
https://www.tsingfun.com/it/cp... 

获取文件系统映像及恢复删除的数据(FAT文件系统格式描述) - C/C++ - 清泛...

...str()<< L"/n"; } int driveIndex; std::cin >> driveIndex;//selecting a disk std::vector<unsigned char> buffer; //creating a path std::wstring dumpPath(L"////.//PhysicalDrive"); wchar_t index[MAX_PATH]; _itow(devices.at(driveIndex).vHarddiskIndexes[0], index , MAX_P...
https://www.tsingfun.com/it/cp... 

获取文件系统映像及恢复删除的数据(FAT文件系统格式描述) - C/C++ - 清泛...

...str()<< L"/n"; } int driveIndex; std::cin >> driveIndex;//selecting a disk std::vector<unsigned char> buffer; //creating a path std::wstring dumpPath(L"////.//PhysicalDrive"); wchar_t index[MAX_PATH]; _itow(devices.at(driveIndex).vHarddiskIndexes[0], index , MAX_P...
https://www.tsingfun.com/it/cp... 

获取文件系统映像及恢复删除的数据(FAT文件系统格式描述) - C/C++ - 清泛...

...str()<< L"/n"; } int driveIndex; std::cin >> driveIndex;//selecting a disk std::vector<unsigned char> buffer; //creating a path std::wstring dumpPath(L"////.//PhysicalDrive"); wchar_t index[MAX_PATH]; _itow(devices.at(driveIndex).vHarddiskIndexes[0], index , MAX_P...