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How to know what the 'errno' means?
When calling execl(...) , I get an errno=2 . What does it mean? How can I know the meaning of this errno ?
15 Answers
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SQL Server - SELECT FROM stored procedure
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Additionally, if after converting to a UDF you find you need the stored procedure semantics you can always wrap the UDF with a procedure.
– Joel Coehoorn
Sep 29 '09 at 13:26
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How to compare Lists in Unit Testing
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If you don't care about item order: {A,B,C} == {C,B,A}, then use CollectionAssert.AreEquivalent instead msdn.microsoft.com/en-us/library/ms...
Why does the C++ STL not provide any “tree” containers?
...we have
std::map (and std::multimap)
std::set (and std::multiset)
Basically the characteristics of these two containers is such that they practically have to be implemented using trees (though this is not actually a requirement).
See also this question:
C tree Implementation
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How to properly import a selfsigned certificate into Java keystore that is available to all Java app
...Windows the easiest way is to use the program portecle.
Download and install portecle.
First make 100% sure you know which JRE or JDK is being used to run your program. On a 64 bit Windows 7 there could be quite a few JREs. Process Explorer can help you with this or you can use: System.out.println...
How to save a PNG image server-side, from a base64 data string
...plode(';', $data);
list(, $data) = explode(',', $data);
$data = base64_decode($data);
file_put_contents('/tmp/image.png', $data);
And as a one-liner:
$data = base64_decode(preg_replace('#^data:image/\w+;base64,#i', '', $data));
An efficient method for extracting, decoding, and checking for e...
Best way to check if object exists in Entity Framework?
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hi. how can we check if it exists and after that select all its data?
– virtouso
Apr 7 '15 at 1:27
1
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Safe (bounds-checked) array lookup in Swift, through optional bindings?
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WARNING! Checking arrays this way can be really expensive. The contains method will iterate through all indices thus making this an O(n). A better way is to use the index and count to check the bounds.
– Stefan Vasiljevic
May 7 '...
Best way to run scheduled tasks [closed]
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All of my tasks (which need to be scheduled) for a website are kept within the website and called from a special page. I then wrote a simple Windows service which calls this page every so often. Once the page runs it return...
“Debug certificate expired” error in Eclipse Android plugins
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Upon installation, the Android SDK generates a debug signing certificate for you in a keystore called debug.keystore. The Eclipse plug-in uses this certificate to sign each application build that is generated.
Unfortunately a debug ...