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What exactly is a reentrant function?
...t, everything seems ok… But wait:
int main()
{
foo(bar);
return 0;
}
If the lock on mutex is not recursive, then here's what will happen, in the main thread:
main will call foo.
foo will acquire the lock.
foo will call bar, which will call foo.
the 2nd foo will try to acquire the lock...
Size of Matrix OpenCV
...2
Vlad
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answered Dec 25 '12 at 6:29
Michael OMichael O
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setResult does not work when BACK button pressed
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10 Answers
10
Active
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How to prune local tracking branches that do not exist on remote anymore
...
+50
After pruning, you can get the list of remote branches with git branch -r. The list of branches with their remote tracking branch can...
How to initialize private static members in C++?
...t the initialization should be in source file.
File: foo.cpp
int foo::i = 0;
If the initialization is in the header file then each file that includes the header file will have a definition of the static member. Thus during the link phase you will get linker errors as the code to initialize the va...
Creating a system overlay window (always on top)
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answered Dec 19 '10 at 12:12
Sarwar ErfanSarwar Erfan
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How do I run msbuild from the command line using Windows SDK 7.1?
I'm setting up .NET 4.0 support on our CI server. I've installed .NET 4.0, and the .NET tools from the Windows 7.1 SDK.
7 A...
Compare a string using sh shell
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edited May 5 '15 at 21:08
the Tin Man
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an...
Remove IE10's “clear field” X button on certain inputs?
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answered Dec 23 '12 at 0:50
Ry-♦Ry-
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How do I get a UTC Timestamp in JavaScript?
...stamp, the following should suffice:
Math.floor((new Date()).getTime() / 1000)
It will factor the current timezone offset into the result. For a string representation, David Ellis' answer works.
To clarify:
new Date(Y, M, D, h, m, s)
That input is treated as local time. If UTC time is passed ...