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Remove Identity from a column in a table
...T ALL
COMMIT TRAN
END TRY
BEGIN CATCH
ROLLBACK TRAN
SELECT ERROR_MESSAGE ()
END CATCH
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How to write “Html.BeginForm” in Razor
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@user1076915, when do you get this error message? When you want to render the upload form or when you submit the form? In the first case ensure that you have a GET Upload action that will serve the Upload.cshtml view containing this code: public ActionResult U...
How to print the ld(linker) search path
...manually installed libraries in /usr/local/.. which causes missing library error, and linking fails. I have to rename /usr/local everytime to exclude that search path. Is there a simple way to exclude or override /usr/local path?
– kenn
Sep 8 '14 at 10:09
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warning: refname 'HEAD' is ambiguous
...igin/somebranch that IS a problem (and will result in the same "ambiguous" error message). When you try to pull from "somebranch", you'll wind up pulling from your local (accidental) branch rather than the remote. In that case, I found that flickerfly's suggestion of doing git branch -d origin/som...
Dynamically adding properties to an ExpandoObject
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getting Error 53 Cannot convert type 'System.Dynamic.ExpandoObject' to 'System.Collections.Generic.IDictionary<string,string>' via a reference conversion, boxing conversion, unboxing conversion, wrapping conversion, or null typ...
Why doesn't .NET/C# optimize for tail-call recursion?
...6, x64) will silently ignore it if sundry conditions are not met (well, no error except possible stack overflow). This explains why you're forced to follow 'tail' with 'ret' -- it's for this case. Meanwhile, the jitters are also free to apply the optimization when there's no 'tail' prefix in the CIL...
INSERT INTO…SELECT for all MySQL columns
...ble
WHERE entry_date < '2011-01-01 00:00:00'
For avoiding primary key errors if you already have data in the archive table
INSERT INTO this_table_archive
SELECT t.*
FROM this_table t
LEFT JOIN this_table_archive a on a.id=t.id
WHERE t.entry_date < '2011-01-01 00:00:00'
AND a.id is null #...
How to generate a random integer number from within a range
...rand() == RAND_MAX, or rand() is very close to RAND_MAX and floating-point errors push the final result past max + 1. To be safe, you should check that the result is within range before returning it.
– Mark Dickinson
Mar 24 '10 at 17:06
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Create a completed Task
...d represents a faulted task. Such a method can simply return that for its error cases if it's important for the exception to be represented in the resulting task.
– Servy
Jan 15 '15 at 21:25
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How to unmount a busy device
...R corrupt open files. Programs accessing target DEVICE/NFS files may throw errors OR could not work properly after force unmount.
Do execute these commands when not inside mounted Folder/Drive/Device.
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