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How to match “anything up until this sequence of characters” in a regular expression?
...
I have noticed that this fails to select anything if the pattern your looking for does not exist, instead if you use ^(?:(?!abc)(?!def).)* you can chain to exclude patterns you don't want and it will still grab everything as needed even if the pattern does no...
Cloning a MySQL database on the same MySql instance
...IN db_a:
CREATE TABLE db_b.tbl LIKE db_a.tbl;
INSERT INTO db_b.tbl SELECT * FROM db_a.tbl;
The reason I'm not using the CREATE TABLE ... SELECT ... syntax is to preserve indices. Of course this only copies tables. Views and procedures are not copied, although it can be done in the same man...
How to allow remote connection to mysql
...SQL and noticed there were multiple root users with different passwords.
select user, host, password from mysql.user;
So in MySQL I set all the passwords for root again and I could finally log in remotely as root.
use mysql;
update user set password=PASSWORD('NEWPASSWORD') where User='root';
fl...
选中CListCtrl指定行并发送LVN_ITEMCHANGED消息 - C/C++ - 清泛网 - 专注C/C++及内核技术
...Report.EnsureVisible(nIndex,FALSE);
m_listReport.SetItemState(nIndex,LVIS_SELECTED,LVIS_SELECTED);
但这远远不能满足需要，因为这种定位不具有在指定行上面鼠标单击选中的效果，为此我们需要向CListCtrl控件发送LVN_ITEMCHANGED消息，LVN_ITEMCHANGED是C...
CGridCtrl 选中一行 - C/C++ - 清泛网 - 专注C/C++及内核技术
CGridCtrl 选中一行 选中单元格m_Grid.SetItemState(row,col,LVIS_SELECTED|LVIS_FOCUSED); 取消选中单元格m_Grid.SetItemState(row,col,LVIS_OVERLAYMASK);//选中单元格
m_Grid.SetItemState(row, col, LVIS_SELECTED | LVIS_FOCUSED);
//取消选中单元格
m_Grid.SetItemState(row, col...
MFC 菜单背景色设置（菜单重绘） - C/C++ - 清泛网 - 专注C/C++及内核技术
...)
{
case -2:
{
DrawTopMenu(m_dc,m_rect,m_str,(m_state&ODS_SELECTED)||(m_state&0x0040)); //0x0040 ==ODS_HOTLIGHT
// DrawItemText(m_dc,m_str,m_rect);
break;
}
case -1:
{
DrawItemText(m_dc,m_str,m_rect);
break;
}
case 0:
{
DrawSeparater(...
CListCtrl 如何设置单元格颜色？ - C/C++ - 清泛网 - 专注C/C++及内核技术
...、选择状态
m_ColListCtrl.SetItemState( int(m_IntItemStatePos), LVIS_SELECTED , LVIS_SELECTED|LVS_EX_FULLROWSELECT);
m_ColListCtrl.SetItemState( int(m_IntItemStatePos), LVIS_FOCUSED , LVIS_FOCUSED|LVS_EX_FULLROWSELECT);
最后附上整个源demo工程的源码：coloredlistctrl.zip
效...
MongoDB仿关系型数据库Group聚合例子 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...系型数据库例子，通过BsonJavaScript脚本实现。相当的SQL：select * from GroupDemo a right join (select userName,max(date) maxdate from GroupDemo group by userName) b on a date=b maxdate
namespace MongoGroupDemo
{
class Program
{
private static string MongoConnStr...
领域驱动设计系列（五）:事件驱动之异步事件 - 更多技术 - 清泛网 - 专注C/...
... var handlers = _eventHandlerFactory.GetHandlers<T>();
handlers.Select(h => Task.Factory.StartNew(() => HandleEvent<T>(h, @event)));
}
这段代码执行完，尽然发现Handler没有执行，好吧，原因是IQueryable的延迟执行，所以我们需要调用一下ToL...
Linq 多字段排序，二次排序 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...ed = source.OrderByDescending( t => t.f1 ).ThenBy( t => t.f2 );类似SQL：select * from t1 order by f1 d...Linq：ordered = source.OrderByDescending( t => t.f1 ).ThenBy( t => t.f2 );
类似SQL：select * from t1 order by f1 desc ,f2 asc
这种写法里 OrderBy、ThenBy 是升序的，OrderByD...