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How to shift a column in Pandas DataFrame
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@WaylonWalker That's called rolling in numpy: df['x2'] = np.roll(df['x2'], 1)
– ayhan
Nov 25 '17 at 17:35
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Upload file to FTP using C#
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The answer misses a call to request.GetResponse(). Without it, the upload won't (rightfully) work on some servers. See How to: Upload Files with FTP.
– Martin Prikryl
Jun 15 '16 at 8:35
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Displaying Windows command prompt output and redirecting it to a file
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This is the most close answer: it works on default install, as PS is already there on most machines and, especially, servers.
– Stoleg
Feb 14 '14 at 12:58
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Load dimension value from res/values/dimension.xml from source code
...e based on the current DisplayMetrics associated with the resources." when all they want to say is that they convert to pixels.
– Trilarion
Dec 12 '15 at 22:31
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jQuery UI Dialog with ASP.NET button postback
...roonga.com.au/2009/07/using-jquery-ui-dialog-with-aspnet-and.html
Specifically, adding this to the dialog declaration:
open: function(type,data) {
$(this).parent().appendTo("form");
}
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Best way to check for “empty or null value”
...y string is not different from any other string consisting of only spaces. All of these are folded to n spaces in char(n) per definition of the type. It follows logically that the above expressions work for char(n) as well - just as much as these (which wouldn't work for other character types):
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JavaScript equivalent of PHP’s die
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This will not totally stop execution AFAIK, but only roughly around the throw. Specifics are very blurry but I'm pretty sure the script can keep running somewhere else.
– Rolf
Jan 29 '16 at 10:36
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Easy way to concatenate two byte arrays
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Additionally this is far easier when working with more than just 2 byte arrays.
– gardarh
Apr 17 '13 at 10:16
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Convert MySQL to SQlite [closed]
...has a command line tool for dealing with databases, you must have ruby installed, then:
$ gem install sequel mysql2 sqlite3
$ sequel mysql2://user:password@host/database -C sqlite://db.sqlite
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How to turn IDENTITY_INSERT on and off using SQL Server 2008?
... but perhaps older versions of SQL Server would include it implicitly with all columns when explicit insert columns are not specified (?) as Ismael seems to suggest.
– Rob Parker
Jun 3 '13 at 18:55
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