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c语言字符串常量内容是否可以通过指针修改 - C/C++ - 清泛网 - 专注C/C++及内核技术

...修改答案是:不行。尝试修改的话,运行时程序会崩溃。int main(){ char str1[40]="hello world!"; char *str1="hello world!"...答案是:不行。尝试修改的话,运行时程序会崩溃。 int main() { char str1[40]="hello world!"; //char *str1="hello world!...
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[完整源码实例] 修改 CListCtrl 的标题栏字体颜色;重绘 CListCtrl 标题栏 ...

...istCtrl.InsertColumn(2, _T("备注"), LVCFMT_LEFT, 100); //插入行 int nRow = m_ListCtrl.InsertItem(0, _T("1")); m_ListCtrl.SetItemText(nRow, 1, _T("www.tsingfun.com")); //设置数据 m_ListCtrl.SetItemText(nRow, 2, _T("无")); CFont *f = new CFont; f->CreateFont(13, // nHe...
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c/c++如何获取CPU的序列号? - C/C++ - 清泛网 - 专注C/C++及内核技术

...,edx mov s2,ecx } st2 = s1+s2; memset(&CPUSERIAL,0,20); sprintf_s(CPUSERIAL,"%08X",st1+st2); return CPUSERIAL; } int _tmain(int argc, _TCHAR* argv[]) { printf("%s\n", GetCpuSerial()); return 0; } 主要用到汇编指令 cpuid。 cpuid指令 cpuid就是一...
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fatal error \"vector iterator + offset out of range\" \"standard C++ ...

...e <vector> using namespace std; void main() { vector<int> ivec; try { fill_n(ivec.begin(),10,1);//error should use fill_n (back_inserter(ivec), 10, 1); for(vector<int>::iterator itbegin=ivec.begin(),itend=ivec.end();itbegin!=itend;++it...
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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...