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register int i;的含义 - c++1y / stl - 清泛IT社区，为创新赋能！
register声明的作用是为了提高效率。
它明确要求CPU把变量始终保存在寄存器里面，直至它消亡。
不过现代编译器都很厉害，根本不需要你多此一举。
所以根本就极少用。大多数情况下，你声明了也没有用，因为编译器不会...
error LNK2019: 无法解析的外部符号 _GetFileVersionInfoSizeW@8，该符号在...
GetFileVersionInfoSize build时出现link2019 链接错误：
#pragma comment(lib, "version")
解决。
c++读注册表 - c++1y / stl - 清泛IT社区，为创新赋能！
CString key;
key.Format(_T("Software\\Microsoft\\Windows\\CurrentVersion\\App Paths\\xxx"));
HKEY hKey;
LONG rc = RegOpenKey(HKEY_LOCAL_MACHINE, key, &hKey);
if (ERROR_SUCCESS == rc)
{
WCHAR szBuffer[MAX_PATH];
 ...
C++构造函数中可不可以调用虚函数？ - c++1y / stl - 清泛IT社区，为创新赋能！
不可调用，没定义好，不知分配多少空间。
XXX.cc:100: error: ‘::strerror’ has not been declared - c++1y / stl - 清泛IT社区，为创新赋能！
#include <string.h> 解决。
Why do enum permissions often have 0, 1, 2, 4 values?
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edited Mar 21 '12 at 19:18
answered Mar 21 '12 at 19:02
C...
I need to generate uuid for my rails application. What are the options(gems) I have? [duplicate]
....uuid}"); SQL
– Kees Briggs
May 29 '18 at 22:59
add a comment
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Is it feasible to do (serious) web development in Lisp? [closed]
...hon or Ruby?"
– Aaron
Feb 24 '09 at 18:02
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No visible cause for “Unexpected token ILLEGAL”
... displays it.
– rlemon
Oct 4 '12 at 18:13
Thanks @rlemon, added a CodePen example to the answer. Nice site, I didn't k...
How to convert TimeStamp to Date in Java?
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189
Just make a new Date object with the stamp's getTime() value as a parameter.
Here's an exampl...