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Re-entrant locks in C#
...ch you acquire/release locks.
(One further note, your example isn't technically recursive. For it to be recursive, Bar() would have to call itself, typically as part of an iteration.)
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impr...
How to not run an example using roxygen2?
... answer instead of dontrun. From ?example 'donttest encloses code that typically should be run, but not during package checking.' whereas 'dontrun encloses code that should not be run.' I also got a comment by cran maintainers to switch from dontrun to donttest.
– Julian Karch
...
How does Task become an int?
...to be so composable. For example, I could write another async method which calls yours and doubles the result:
public async Task<int> AccessTheWebAndDoubleAsync()
{
var task = AccessTheWebAsync();
int result = await task;
return result * 2;
}
(Or simply return await AccessTheWeb...
How to change shape color dynamically?
...
I am getting java.lang.ClassCastException: android.graphics.drawable.GradientDrawable cannot be cast to android.graphics.drawable.ShapeDrawable when trying this suggestion.
– prolink007
Aug 15 '13 at 18:37
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How to set a Fragment tag by code?
...the post on stackoverflow [1]: stackoverflow.com/questions/9363072/android-set-fragment-id
– SME
Jul 26 '12 at 6:04
2
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What's the best way to get the current URL in Spring MVC?
... the interface doesn't offer the possibility to get the whole URL with one call. You have to build it manually:
public static String makeUrl(HttpServletRequest request)
{
return request.getRequestURL().toString() + "?" + request.getQueryString();
}
I don't know about a way to do this with any...
What are the specific differences between .msi and setup.exe file?
...ntain an MSI instead of individual files. In this case, the setup.exe will call Windows Installer to install the MSI.
Some reasons you might want to use a setup.exe:
Windows Installer only allows one MSI to be installing at a time. This means that it is difficult to have an MSI install other MSIs...
Package objects
...
Normally you would put your package object in a separate file called package.scala in the package that it corresponds to. You can also use the nested package syntax but that is quite unusual.
The main use case for package objects is when you need definitions in various places inside yo...
How do I serialize an object and save it to a file in Android?
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Should there be a call to fos.close() and fis.close() as well?
– IcedDante
Nov 4 '13 at 5:01
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How to make a query with group_concat in sql server [duplicate]
...
Query:
SELECT
m.maskid
, m.maskname
, m.schoolid
, s.schoolname
, maskdetail = STUFF((
SELECT ',' + md.maskdetail
FROM dbo.maskdetails md
WHERE m.maskid = md.maskid
FOR XML PATH(''), TYPE)....