大约有 48,000 项符合查询结果（耗时：0.0499秒） [XML]
What does `dword ptr` mean?
...ral purpose computers usually use 32 or 64 bits. en.wikipedia.org/wiki/Word_(computer_architecture)
– uzay95
Dec 25 '16 at 21:35
6
...
eclipse升级后启动失败：Heap堆内存不足 - 更多技术 - 清泛网 - 专注C/C++及内核技术
eclipse升级后启动失败：Heap堆内存不足eclipse_upgrade_outof_memory修改 eclipse ini，更改 -Xmx521m 为 -Xmx3g
本来打算从Eclipse（2020-06）更新一下（2021-03），没想到升级成后Eclipse启动不了，错误日志如下：
!SESSION 2021-06-16 17:03:13.186 ---------...
Import multiple csv files into pandas and concatenate into one DataFrame
... as the column names.
import pandas as pd
import glob
path = r'C:\DRO\DCL_rawdata_files' # use your path
all_files = glob.glob(path + "/*.csv")
li = []
for filename in all_files:
df = pd.read_csv(filename, index_col=None, header=0)
li.append(df)
frame = pd.concat(li, axis=0, ignore_inde...
Why does the default parameterless constructor go away when you create one with parameters
...n. Making the parameterless constructor private.
– mw_21
Aug 3 '12 at 8:53
5
That's not the same....
c++读注册表 - C/C++ - 清泛网 - 专注C/C++及内核技术
c++读注册表直接上代码：CString key;key.Format(_T("Software Microsoft Windows CurrentVersion App Paths xxx"));HKEY hKey;LONG rc = R...直接上代码：
CString key;
key.Format(_T("Software\\Microsoft\\Windows\\CurrentVersion\\App Paths\\xxx"));
HKEY hKey;
LONG rc = Reg...
MFC 多线程编程简单实例 - C/C++ - 清泛网 - 专注C/C++及内核技术
...D lpParam)
{
printf("ThreadProc\n");
return -1;
}
int _tmain(int argc, _TCHAR* argv[])
{
DWORD dwThreadId;
HANDLE hThread = CreateThread(
NULL,
0,
ThreadProc,
NULL, // 需要传递给回调...
MFC OnKeyDown没反应，不响应键盘操作 - C/C++ - 清泛网 - 专注C/C++及内核技术
...应，通常是通过OnKeyDown函数来完成消息的捕捉和响应。afx_msg void OnKeyDown(UINT nChar, UINT nRepCnt, U...在MFC中添加键盘的消息响应，通常是通过OnKeyDown函数来完成消息的捕捉和响应。
afx_msg void OnKeyDown(UINT nChar, UINT nRepCnt, UINT nFlags);
.....
c++ 代码提升权限，请求管理员身份运行权限 - C/C++ - 清泛网 - 专注C/C++及内核技术
...ELLEXECUTEINFO sei = { sizeof(SHELLEXECUTEINFO) };
sei.fMask = SEE_MASK_NOCLOSEPROCESS;
// Ask for privileges elevation.
sei.lpVerb = TEXT("runas");
// Create a Command Prompt from which you will be able to start
// other elevated applications.
...
error: cannot dynamic_cast ‘b’ (of type ‘class Base*’) to type ‘c...
error: cannot dynamic_cast ‘b’ (of type ‘class Base*’) to type ‘class Derived*’ (source type is not polymorphic)在将父类型转换为子类型时,可以使用static_cast和dynamic_cast.如果使用dynamic_cast,它要求父类必须为多态的,即要求至少有一个虚函数,因此....
MFC的DDX和DDV技巧 - C/C++ - 清泛网 - 专注C/C++及内核技术
...件关系的成员变量的声明，代码：
// Dialog Data
//{{AFX_DATA(CMyDlg)
enum { IDD = IDD_DIALOG5 };
int m_edit;
//}}AFX_DATA
２． 在 .CPP文件中的类构造函数告终代码处，增加数据成员变量的一些初始化代码
CMyDlg::CMyDlg(CWnd* pParent )
...