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Simple way to transpose columns and rows in SQL?
...oPivot+' , name, value, ROW_NUMBER() over (partition by '+@columnToPivot+' order by '+@columnToPivot+') as rowid
from '+@tableToPivot+'
unpivot
(
value for name in ('+@colsUnpivot+')
) unpiv
) src
pivot
(
sum(value...
How to upload files to server using JSP/Servlet?
...ter() the usual way.
First annotate your servlet with @MultipartConfig in order to let it recognize and support multipart/form-data requests and thus get getPart() to work:
@WebServlet("/upload")
@MultipartConfig
public class UploadServlet extends HttpServlet {
// ...
}
Then, implement its d...
C# listView, how do I add items to columns 2, 3 and 4 etc?
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TINYTEXT, TEXT, MEDIUMTEXT, and LONGTEXT maximum storage sizes
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The term “Context” in programming? [closed]
...n the receptionist asks you for your name, that's information they need in order to begin the appointment. In this example, your name is contextual information. So in the context of visiting the dentist, you need to provide your name to get your tooth pulled.
Now let's say you walk over to the bank...
MongoDB mongorestore failure: locale::facet::_S_create_c_locale name not valid
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Does Python have a ternary conditional operator?
... mind that it's frowned upon by some Pythonistas for several reasons:
The order of the arguments is different from those of the classic condition ? a : b ternary operator from many other languages (such as C, C++, Go, Perl, Ruby, Java, Javascript, etc.), which may lead to bugs when people unfamilia...
Setting environment variables on OS X
...Library/LaunchAgents/osx-env-sync.plist: Operation already in progress
In order to reload your environment variables without going through the logout/login process do the following:
launchctl unload ~/Library/LaunchAgents/osx-env-sync.plist
launchctl load ~/Library/LaunchAgents/osx-env-sync.plist
...
Explain the concept of a stack frame in a nutshell
... returning from the stack, values will returned in reverse of the original order in which they were allocated in stack.
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What is a good reason to use SQL views?
...most useful when you always need
to join the same set of tables say an
Order with an Order Detail to get
summary calculation fields etc.
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