大约有 40,000 项符合查询结果（耗时：0.0315秒） [XML]
Mapping two integers to one, in a unique and deterministic way
...1;
}
public static int PerfectlyHashThem(short a, short b)
{
var A = (uint)(a >= 0 ? 2 * a : -2 * a - 1);
var B = (uint)(b >= 0 ? 2 * b : -2 * b - 1);
var C = (int)((A >= B ? A * A + A + B : A + B * B) / 2);
return a < 0 && b < 0 || a >= 0 && b >...
How can I save an image with PIL?
...ax() - visual.min())
result = Image.fromarray((visual * 255).astype(numpy.uint8))
result.save('out.bmp')
share
|
improve this answer
|
follow
|
...
dispatch_after - GCD in Swift?
... queue: dispatch_queue_t, block: dispatch_block_t?)
dispatch_time_t is a UInt64. The dispatch_queue_t is actually type aliased to an NSObject, but you should just use your familiar GCD methods to get queues. The block is a Swift closure. Specifically, dispatch_block_t is defined as () -> Void, ...
Get the IP address of the machine
...0);
assert(sock != -1);
const char* kGoogleDnsIp = "8.8.8.8";
uint16_t kDnsPort = 53;
struct sockaddr_in serv;
memset(&serv, 0, sizeof(serv));
serv.sin_family = AF_INET;
serv.sin_addr.s_addr = inet_addr(kGoogleDnsIp);
serv.sin_port = htons(kDnsPort);
int err...
ON_COMMAND_RANGE 用法 - C/C++ - 清泛网 - 专注C/C++及内核技术
ON_COMMAND_RANGE 用法申明消息宏 + 回调函数模型，其他没什么好解释的。BEGIN_MESSAGE_MAP(CxxDialog, CDialog)
ON_COMMAND_RANGE(IDC_BUTTON_1, IDC_BUTTON_ALL, OnButtonClick)
END_MESSAGE_MAP()
afx_msg void OnButtonClick(UINT nID);ON_COMMAND_RANGE, MFC
How to get pixel data from a UIImage (Cocoa Touch) or CGImage (Core Graphics)?
...age into your data buffer
CGImageRef imageRef = [image CGImage];
NSUInteger width = CGImageGetWidth(imageRef);
NSUInteger height = CGImageGetHeight(imageRef);
CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB();
unsigned char *rawData = (unsigned char*) calloc(height * wid...
mfc 如何隐藏滚动条 - C/C++ - 清泛网 - 专注C/C++及内核技术
mfc 如何隐藏滚动条void Cxxx::OnSize(UINT nType, int cx, int cy){ ... ShowScrollBar(SB_BOTH, FALSE); ...}简单粗暴，最实用，亲测有效。void Cxxx::OnSize(UINT nType, int cx, int cy)
{
...
ShowScrollBar(SB_BOTH, FALSE);
...
}
简单粗暴，最实用，...
c++关闭按钮灰掉 - C/C++ - 清泛网 - 专注C/C++及内核技术
...得系统菜单CMenu *pMenu = GetSystemMenu(false); 获得关闭按钮IDUINT ID = pMenu->GetMenuItemID(pMenu->Ge...
通过系统菜单灰掉：
//获得系统菜单
CMenu *pMenu = GetSystemMenu(false);
//获得关闭按钮ID
UINT ID = pMenu->GetMenuItemID(pMenu->GetMenuItemCount()-1);
//...
VC中CStatic等控件字体颜色的设置和OnCtlColor的使用 - C/C++ - 清泛网 - ...
...件设置颜色：
HBRUSH CAboutDig::OnCtlColor(CDC* pDC, CWnd* pWnd, UINT nCtlColor)
{
if (nCtlColor == CTLCOLOR_STATIC)
{
pDC->SetTextColor(RGB(0,0,255));//设置字体颜色
pDC->SetBkMode(TRANSPARENT); //设置背景透明
}
}
第三个参数OnCtlColor主...
c++关闭按钮灰掉 - C++ UI - 清泛IT社区，为创新赋能！
...系统菜单
CMenu *pMenu = GetSystemMenu(false);
//获得关闭按钮ID
UINT ID = pMenu->GetMenuItemID(pMenu->GetMenuItemCount()-1);
//使关闭按钮无效
pMenu->EnableMenuItem(ID,MF_GRAYED);复制代码启用：
//获得系统菜单
CMenu *pMenu = GetSystemMenu(false);
//获得关闭按...