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How do I create a unique constraint that also allows nulls?
...ur Index Properties for your new index, select "Filter" from the left hand panel, then enter your filter (which is your where clause). It should read something like this:
([YourColumnName] IS NOT NULL)
This works with MSSQL 2012
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How to check with javascript if connection is local host?
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Isn't there a more general / "catch-all" solution that would also cover cases of using 127.0.0.1, etc.?
– jacobq
Oct 10 '12 at 18:21
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Better way of getting time in milliseconds in javascript?
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With Chrome you can see how much time the GC is spending in the Timeline panel.
EDIT: Since my answer, Date.now() should be considered as the best option as it is supported everywhere and on IE >= 9.
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Is it possible to force Excel recognize UTF-8 CSV files automatically?
...so stupidly by Microsoft that it depends on the region settings in control panel if comma or semicolon is used as separator. So the same CSV file may open correctly on one computer but on anther computer not. "CSV" means "Comma Separated Values" but for example on a german Windows by default semicol...
Simplest way to do a fire and forget method in c# 4.0
I really like this question:
4 Answers
4
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c# open a new form then close the current form?
...r want to exit the app - let's close form1.
}
}
Note: working with panels or loading user-controls dynamically is more academic and preferable as industry production standards - but it seems to me you just trying to reason with how things work - for that purpose this example is better.
And ...
How to edit one specific row in Microsoft SQL Server Management Studio 2008?
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Use the "Edit top 200" option, then click on "Show SQL panel", modify your query with your WHERE clause, and execute the query. You'll be able to edit the results.
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improv...
What values should I use for CFBundleVersion and CFBundleShortVersionString?
...f this value. In your project’s Target > Build Phases > Run Script panel:
Specify in the Shell field: /bin/sh
Paste the following 5 line script seen below.
(optional) Check the Show environment variables in build log checkbox.
Uncheck the Run script only when installing checkbox.
Every t...
Why is 'false' used after this simple addEventListener function?
...event from the start to the end.
Please click "Show console " on the right panel of the snippet to access the logs
function handler(e){
/* logs messages of each phase of the event flow associated with
the actual node where the flow was passing by */
if ( e.even...
The source was not found, but some or all event logs could not be searched
... approach for handling such issues is to register event log sources at installation time (under an administrator account), then assume that they exist at runtime, allowing any resulting exception to be treated as unexpected if a target event log source does not actually exist at runtime.
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