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How to pass parameters correctly?
...king an rvalue reference (CreditCard&&).
Overload resolution will select the former when passing an lvalue (in this case, one copy will be performed) and the latter when passing an rvalue (in this case, one move will be performed).
Account(std::string number, float amount, CreditCard cons...
LINQ to Entities only supports casting EDM primitive or enumeration types with IEntity interface
...i eventually found the solution which was for my extension method to call .Select(e => e as T) where T is the child class and e is the base class.
full details are here:
Create IQueryable<T> extension using base class in EF
...
Foreign Key to multiple tables
...ulkon I know this is an old question but the query would be something like SELECT t.Subject AS ticketSubject, CASE WHEN u.Name IS NOT NULL THEN u.Name ELSE g.Name END AS ticketOwnerName FROM Ticket t INNER JOIN Party p ON t.Owner=p.PartyId LEFT OUTER JOIN User u ON u.ID=p.PartyId LEFT OUTER JOIN Gro...
emacs create new file with ido enabled
...switch to the traditional mode are all useful.
Also, when ido has already selected an alternate file path, you can hit C-z to return where you were and temporarily disable that behavior.
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im...
Bootstrap combining rows (rowspan)
... a row doesn't have to use row-fluid to accomplish this as suggested by my selected answer. I really appreciate it though!
– Seong Lee
May 3 '13 at 5:36
...
How to prove that a problem is NP complete?
...o NP (that is that given a solution you can verify it in polynomial time)
Select a known NP-complete problem L'
Describe an algorithm f that transforms L' into L
Prove that your algorithm is correct (formally: x ∈ L' if and only if f(x) ∈ L )
Prove that algo f runs in polynomial time
...
The quest for the Excel custom function tooltip
...{
return v1 + v2;
}
we get both the function description
and when selecting the function, we get argument help
That looks nice, but it's all still very flaky, only works on my machine and sometimes crashes Excel. It might be a start, though...
Update 9 May 2014:
I've made some progre...
菜单的背景颜色 - C/C++ - 清泛网 - 专注C/C++及内核技术
...));
CFont Font;
Font.CreatePointFont(125,"宋体");//创建字体
dc.SelectObject(&Font);
CString *pText=(CString *)lpDrawItemStruct->itemData;
if(lpDrawItemStruct->itemState&ODS_SELECTED)
dc.FillSolidRect(rect,RGB(80,89,202));//菜单被选中
dc.SetTextColor(RGB(10,0,181));//设置...
How to implement Rate It feature in Android App
...lay the pop up for 3 days and 10 launches. The same is done for those that selected to rate it, however the delays is longer (not to bother the user so soon in case that he has actually rated the app. This can be changed to not be shown again, then you will have to alter the code to your like). Hope...
Cannot delete directory with Directory.Delete(path, true)
...e(path, true) while path or one of the folders/files under path is open or selected in Windows Explorer will throw an IOException. Closing Windows Explorer and rerunning my existing code w/o the try/catch suggested above worked fine.
– David Alpert
Feb 24 '10 ...