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uint8_t can't be printed with cout
...ostream&, unsigned char) tries to output the visible character value.
uint8_t aa=5;
cout << "value is " << unsigned(aa) << endl;
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How do you simulate Mouse Click in C#?
...ntion=CallingConvention.StdCall)]
public static extern void mouse_event(uint dwFlags, uint dx, uint dy, uint cButtons, uint dwExtraInfo);
//Mouse actions
private const int MOUSEEVENTF_LEFTDOWN = 0x02;
private const int MOUSEEVENTF_LEFTUP = 0x04;
private const int MOUSEEVENTF_RIGHTDOWN...
Swift - Convert to absolute value
...gnitude property. magnitude has the following declaration:
var magnitude: UInt { get }
For any numeric value x, x.magnitude is the absolute value of x.
The following code snippet shows how to use magnitude property in order to get the absolute value on an Int instance:
let value = -5
print(...
How to get a enum value from string in C#?
...aseKey choice;
if (Enum.TryParse("HKEY_LOCAL_MACHINE", out choice)) {
uint value = (uint)choice;
// `value` is what you're looking for
} else { /* error: the string was not an enum member */ }
Before .NET 4.5, you had to do the following, which is more error-prone and throws an excepti...
Reliable method to get machine's MAC address in C#
...blic static extern int SendARP(int DestIP, int SrcIP, byte[] pMacAddr, ref uint PhyAddrLen);
...
private string GetMacUsingARP(string IPAddr)
{
IPAddress IP = IPAddress.Parse(IPAddr);
byte[] macAddr = new byte[6];
uint macAddrLen = (uint)macAddr.Length;
if (SendARP((int)IP.Address, ...
C++实现一款简单完整的聊天室服务器+客户端 - C/C++ - 清泛网 - 专注C/C++及内核技术
...息映射函数
virtual BOOL OnInitDialog();
afx_msg void OnSysCommand(UINT nID, LPARAM lParam);
afx_msg void OnPaint();
afx_msg HCURSOR OnQueryDragIcon();
DECLARE_MESSAGE_MAP()
public:
CIPAddressCtrl m_ip;
int m_port;
CEdit m_allmsg;
CString m_nickname;
CString m_message;
afx...
What does the C++ standard state the size of int, long type to be?
...
If you need fixed size types, use types like uint32_t (unsigned integer 32 bits) defined in stdint.h. They are specified in C99.
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Should I use #define, enum or const?
...08/11/26/9143050.aspx
const int?
namespace RecordType {
static const uint8 xNew = 1;
static const uint8 xDeleted = 2;
static const uint8 xModified = 4;
static const uint8 xExisting = 8;
}
Putting them in a namespace is cool. If they are declared in your CPP or header file, their ...
【精心整理】【实用】visual C++中最常用的类与API函数 - C/C++ - 清泛网 -...
...
CArchive::CArchive 建立一个CArchive对象
CArchive(CFile* pFile,UINT nMode,int nBufSize=4096,void* lpBuf=NULL);
参数：pFile 指向CFile对象的指针，这个CFile对象是数据的最终源或目的；
nMode是标志，取值为CArchive::load时，从文档中加载数据（要求CFi...
Difference between decimal, float and double in .NET?
... | 0 to 255 |
| ushort | System.Uint16 | No | 2 | 0 to 65535 |
| uint | System.UInt32 | No | 4 | 0 to 4294967295 |
| ulong | System.Uint64 | No | 8 | 0 ...