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How to use NULL or empty string in SQL
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If you need it in SELECT section can use like this.
SELECT ct.ID,
ISNULL(NULLIF(ct.LaunchDate, ''), null) [LaunchDate]
FROM [dbo].[CustomerTable] ct
you can replace the null with your substitution ...
Using regular expression in css?
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An ID is meant to identify the element uniquely. Any styles applied to it should also be unique to that element. If you have styles you want to apply to many elements, you should add a class to them all, rather than relying on ID selectors...
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Regular expression for a hexadecimal number?
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That could be shortified to /0x[\da-f]/i, but otherwise, +1.
– Niklas B.
Feb 10 '12 at 1:13
20
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How to uninstall the “Microsoft Advertising SDK” Visual Studio extension?
... I like to uninstall extensions I don't need, but this one won't allow me. if I hover the (enabled!) button it says in a tooltip:
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How much of a git sha is *generally* considered necessary to uniquely identify a change in a given c
If you're going to build, say, a directory structure where a directory is named for a commit in a Git repository, and you want it to be short enough to make your eyes not bleed, but long enough that the chance of it colliding would be negligible, how much of the SHA substring is generally required?
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Downloading images with node.js [closed]
...g 'data.read()', it will empty the stream for the next 'read()' operation. If you want to use it more than once, store it somewhere.
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How to use ELMAH to manually log errors
...x)
{
Elmah.ErrorSignal.FromCurrentContext().Raise(ex);
}
There is a difference between the two solutions:
Raise method applies ELMAH filtering rules to the exception. Log method does not.
Raise is subscription based and is able to log one exception into the several loggers.
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Class method decorator with self arguments?
...an pass in the attribute name as a string to the decorator and use getattr if you don't want to hardcode the attribute name:
def check_authorization(attribute):
def _check_authorization(f):
def wrapper(self, *args):
print getattr(self, attribute)
return f(self, *...
Need command line to start web browser using adb
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If your url's are symbol heavy you should also quote aggressively
adb shell am start -a android.intent.action.VIEW -d 'http://stackoverflow.com/?uid=isme\&debug=true'
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How to save/restore serializable object to/from file?
... and I know that the object has to be Serializable . But it would be nice if I can get an example. For example if I have the following:
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