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SQL Server CTE and recursion example
...le on it. This article shows employee info with the help of Sql server CTE and recursion. It is basically showing employees and their manager info. I am not able to understand how this query works. Here is the query:
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How to check whether a string is a valid HTTP URL?
There are the Uri.IsWellFormedUriString and Uri.TryCreate methods, but they seem to return true for file paths etc.
9...
C++ Returning reference to local variable
... get rid of it
}
Typically you would wrap the pointer in some RAII class and/or a factory function so you don't have to delete it yourself.
In either case, you can just return the value itself (although I realize the example you provided was probably contrived):
int func3()
{
return 1;
}
in...
Converting PKCS#12 certificate into PEM using OpenSSL
... in newfile.crt.pem
private key in newfile.key.pem
To put the certificate and key in the same file without a password, use the following, as an empty password will cause the key to not be exported:
openssl pkcs12 -in path.p12 -out newfile.pem -nodes
Or, if you want to provide a password for the pr...
How to run SQL script in MySQL?
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If you’re at the MySQL command line mysql> you have to declare the SQL file as source.
mysql> source \home\user\Desktop\test.sql;
share
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impr...
Is there a way to make mv create the directory to be moved to if it doesn't exist?
So, if I'm in my home directory and I want to move foo.c to ~/bar/baz/foo.c , but those directories don't exist, is there some way to have those directories automatically created, so that you would only have to type
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Find the nth occurrence of substring in a string
This seems like it should be pretty trivial, but I am new at Python and want to do it the most Pythonic way.
21 Answers
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What is WEB-INF used for in a Java EE web application?
...he
WEB-INF directory are visible to servlet code using the getResource
and getResourceAsStream method calls on the ServletContext, and may
be exposed using the RequestDispatcher calls.
This means that WEB-INF resources are accessible to the resource loader of your Web-Application and not dir...
Adding a guideline to the editor in Visual Studio
...line shows up in the Output window too. (Visual Studio 2010 corrects this, and the line only shows up in the code editor window.)
You can also have the guide in multiple columns by listing more than one number after the color specifier:
RGB(230,230,230), 4, 80
Puts a white line at column 4 and c...
Merging objects (associative arrays)
What’s the best/standard way of merging two associative arrays in JavaScript? Does everyone just do it by rolling their own for loop?
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