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Check if table exists and if it doesn't exist, create it in SQL Server 2008
...objects where name = 'tablename')
You may create the table inside the if block.
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Ruby on Rails form_for select field with class
... Does anyone know what we should do if the f.select is being passed a block in the end? The class doesn't seem to go through with any combination I've tried.
– Tashows
Aug 23 '16 at 0:17
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Efficient way to return a std::vector in c++
...tates introduced.
The named object returned is referenced in an inline asm block.
NRVO optimizes out the redundant copy constructor and destructor calls and thus improves overall performance.
There should be no real diff in your example.
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What programming practice that you once liked have you since changed your mind about? [closed]
...ented out? is this a dev environment change? why does it do this unrelated block?
Seriously consider not commenting out code and just deleting it instead. If you need it, it's still in source control. YAGNI though.
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How to properly seed random number generator
... return string(buf)
}
and I typically set the seed inside of an init() block. They're documented here: http://golang.org/doc/effective_go.html#init
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Why does C# disallow readonly local variables?
...compiler generate more efficient code. Presently, when execution enters a block which contains a closure, the compiler must create a new heap object for the closed-over variables, even if no code which would use the closure is ever executed. If a variable were read-only, code outside the closure c...
How do I resolve configuration errors with Nant 0.91?
..., select Properties and under the General tab, click the button labelled Unblock, then click OK on the Properties window. Now, extract the file to your desired location, ensure it is on the system path, open a new command line and NAnt should run successfully.
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What is the purpose of the single underscore “_” variable in Python?
...e, so it is necessary to avoid using _ as a throwaway variable in any code block that also uses it for i18n translation (many folks prefer a double-underscore, __, as their throwaway variable for exactly this reason).
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Numpy array assignment with copy
... slicing and copying their contents. An array is a "view" of an underlying block of memory where the numeric values are stored. Doing a slice like some_array[:] will create a new array object, but that new object will be a view of the same memory as the original array, which won't have been copied. ...
How to use redis PUBLISH/SUBSCRIBE with nodejs to notify clients when data values change?
... I think subscribe.on should be outside the socket.on('connection') block to avoid multiple subscribes/
– zubinmehta
Jul 3 '15 at 9:37
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