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Windows下如何判断Win32 or x64? - C/C++ - 清泛网 - 专注C/C++及内核技术

...x64 配置下运行一次) #include <iostream> using namespace std; int main() { #ifdef _WIN64 cout << "_WIN64 is defined as " << _WIN64 << endl; #endif #ifdef _WIN32 cout << "_WIN32 is defined as " << _WIN32 << endl; #endif cin.get(); return 0; } 在 Win32 配置下,_WIN3...
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error C2664: “find_char”: 不能将参数 1 从“const char [14]”转换为“...

...i == s.size()) return string::npos; else return i; } int main(int argc, char *argv[]) { //字面值常量为const对象,调用出错 if(find_char("Hello, world.",'.') != string::npos) { cout<<"a sentence."<<endl; } return 0; } 解决方法...
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warning: xxx will be initialized after [-Wreorder] - C/C++ - 清泛网 - 专注C/C++及内核技术

...就是按照声明的顺序书写参数初始化列表。 Class C { int a; int b; C():b(1),a(2){} //warning, should be C():a(2),b(1) } 或者取消警告: -Wno-reorder。 warning initialized -Wreorder
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error C2280: \'std::mutex::mutex(const std::mutex &)\' : attempting to...

...义或者标记为delete. 例如: class Account { public: Account(int id_, double ba = 0.0) :id(id_), balance(ba){} void withdraw(double amount){ balance -= amount; } void deposit(double amount){ balance += amount; } void printInfo() const { std::cout << "Account id: " ...
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解决rc中无法设置CComboBox下拉列表框高度的问题 - C/C++ - 清泛网 - 专注C...

...he edit-control or static-text portion of the combo box is to be set. int CComboBox::SetItemHeight( int nIndex, UINT cyItemHeight ); nIndex Specifies whether the height of list items or the height of the edit-control (or static-text) portion of the combo box is set. If th...
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MFC SetCursor设置手型鼠标光标 - C/C++ - 清泛网 - 专注C/C++及内核技术

...设置手型鼠标光标,部分代码如下:void CxxxDlg::OnMouseMove(UINT nFlags, CPoint point){__super::OnMouseMove(nFlags, point);int...设置手型鼠标光标,部分代码如下: void CxxxDlg::OnMouseMove(UINT nFlags, CPoint point) { __super::OnMouseMove(nFlags, point); int nI...
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SetWindowsLong、SetClassLong 的区别 - C/C++ - 清泛网 - 专注C/C++及内核技术

...SetWindowLong:改变指定窗口的属性。LONGSetWindowLong(HWNDhWnd,intnlndex,LONGdwNewLong);要设置nIndex其他任何值,可以指定下面值之...SetWindowLong:改变指定窗口的属性。 LONG SetWindowLong(HWND hWnd,int nlndex,LONG dwNewLong); 要设置nIndex其他任何...
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rpcndr.h和wtypes.h冲突的解决方法 - C/C++ - 清泛网 - 专注C/C++及内核技术

...ks\windows\v7.0a\include\rpcndr.h(162): error C2632: “char”后面的“int”非法 1>c:\program files (x86)\microsoft sdks\windows\v7.0a\include\rpcndr.h(162): warning C4091: “typedef ”: 没有声明变量时忽略“unsigned char”的左侧 1>c:\program files (x86)\microsoft sdks\window...
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char类型移动跨平台踩过的坑 - C/C++ - 清泛网 - 专注IT技能提升

...台踩过的坑CFLAG-fsigned-charchar 跨平台 arm fsigned-charchar强转int时,发现在x86平台下是按照有符号处理的,但是在ARM32下被当成了无符号导致问题,ARM64正常有符号。经调查,在PC上,char类型默认为signed-char,但是在一些嵌入式设备 c...
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关于ORA-00903. 表名无效的错误 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术

...中的小写表名创建的,就像下面这样:createtable"mytable"("a"int,"b"varchar2(2));使用这个表(或字段) 可能创建表(或字段)时是用双引号中的小写表名创建的,就像下面这样: create table "mytable" (a int, "b" varchar2(2)); 使用这个表(...