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C++应用程序添加VBScript和JavaScript支持 - C/C++ - 清泛网移动版 - 专注C/C++及内核技术
...rayHelper();
~CSafeArrayHelper();
bool Create(VARTYPE vt, UINT cDims, UINT lBound, UINT cCount);
bool Destroy();
UINT GetDimension();
bool Attach(LPSAFEARRAY psa);
bool AttachFromVariant(VARIANT* pVariant);
LPSAFEARRAY Detach();
LPSAFEARRAY GetArray(...
How do I convert uint to int in C#?
How do I convert uint to int in C#?
8 Answers
8
...
Is unsigned integer subtraction defined behavior?
...§6.2.5/9)
As you can see, (unsigned)0 - (unsigned)1 equals -1 modulo UINT_MAX+1, or in other words, UINT_MAX.
Note that although it does say "A computation involving unsigned operands can never overflow", which might lead you to believe that it applies only for exceeding the upper limit, this...
The maximum value for an int type in Go
...ement arithmetic, you can infer the
min/max constant values for int and uint. For example,
const MaxUint = ^uint(0)
const MinUint = 0
const MaxInt = int(MaxUint >> 1)
const MinInt = -MaxInt - 1
As per @CarelZA's comment:
uint8 : 0 to 255
uint16 : 0 to 65535
uint32 : 0 to 42949672...
Objective-C: Property / instance variable in category
...rty], OBJC_ASSOCIATION_RETAIN_NONATOMIC); }
#define CATEGORY_PROPERTY_GET_UINT(property) CATEGORY_PROPERTY_GET_NSNUMBER_PRIMITIVE(unsigned int, property, unsignedIntValue)
#define CATEGORY_PROPERTY_SET_UINT(property, setter) CATEGORY_PROPERTY_SET_NSNUMBER_PRIMITIVE(unsigned int, property, setter, n...
Why use static_cast(x) instead of (int)x?
... a 32-bit word. It would be nearly impossible to read using static_cast<uint##>() casts, but is quite easy to understand using (uint##) casts. Picture of code: imgur.com/NoHbGve
– Todd Lehman
Aug 4 '15 at 22:17
...
When to use enumerateObjectsUsingBlock vs. for
...two versions:
for (id x in y){
}
[y enumerateObjectsUsingBlock:^(id x, NSUInteger index, BOOL *stop){
}];
Even if you add a variable to track the index, the simple loop is easier to read.
So when you should use enumerateObjectsUsingBlock:? When you're storing a block to execute later or in mult...
MFC CEdit控件自绘、MFC圆角输入框 - C/C++ - 清泛网 - 专注C/C++及内核技术
...ublic:
afx_msg void OnNcPaint();
afx_msg HBRUSH CtlColor(CDC* /*pDC*/, UINT /*nCtlColor*/);
};
MyEdit.cpp：
//####################################################################
// Comments: 圆角Edit控件
//
// UpdateLogs:
//########################################################...
VC IP地址控件（CIPAddressCtrl ）的自绘 - C/C++ - 清泛网 - 专注C/C++及内核技术
...oid OnNcPaint();
afx_msg HBRUSH OnCtlColor(CDC* /*pDC*/, CWnd* /*pWnd*/, UINT /*nCtlColor*/);
};
.cpp:
#include "stdafx.h"
#include "MyIPCtrl.h"
#include "../../MemDC.h"
#include "../../CommonFunc.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#endif
IMPLEMENT_DYNAMIC(CMyIPCtrl, CIPAddre...
CMFCTabCtrl的使用、颜色样式调整 - C/C++ - 清泛网 - 专注C/C++及内核技术
...G_PIC,&m_wndTabs);
m_wndTabs.AddTab (& m_DlgPic, _T("测试对话框"), (UINT)-1, FALSE);
CMFCTabCtrl