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Allowed characters in Linux environment variable names
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206
From The Open Group:
These strings have the form
name=value; names shall not contain
th...
How To Save Canvas As An Image With canvas.toDataURL()?
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10 Answers
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REST API Token-based Authentication
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edited Apr 10 '14 at 17:28
answered Mar 19 '12 at 17:09
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JavaScript equivalent of jQuery's extend method
... if(arguments[i].hasOwnProperty(key))
arguments[0][key] = arguments[i][key];
return arguments[0];
}
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Fastest way to serialize and deserialize .NET objects
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answered Nov 10 '10 at 10:46
Marc Gravell♦Marc Gravell
888k227227 gold badges23562356 silver badges27202720 bronze badges
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How do I get a TextBox to only accept numeric input in WPF?
...ers, dots and dashes.
private static readonly Regex _regex = new Regex("[^0-9.-]+"); //regex that matches disallowed text
private static bool IsTextAllowed(string text)
{
return !_regex.IsMatch(text);
}
If you want to prevent pasting of incorrect data hook up the DataObject.Pasting event Data...
PostgreSQL database default location on Linux
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[root@server1 ~]# ps auxw | grep postgres | grep -- -D
postgres 1535 0.0 0.1 39768 1584 ? S May17 0:23 /usr/local/pgsql/bin/postgres -D /usr/local/pgsql/data
Note that it is possible, though not very frequent, to run two instances of the same PostgreSQL server (same binaries, ...
make an html svg object also a clickable link
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answered Jul 7 '12 at 10:59
Erik DahlströmErik Dahlström
52.4k1111 gold badges106106 silver badges121121 bronze badges
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How to set up a cron job to run an executable every hour?
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0 * * * * cd folder_containing_exe && ./exe_name
should work unless there is something else that needs to be setup for the program to run.
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Removing double quotes from variables in batch file creates problems with CMD environment
...the following code to a batch file .cmd or .bat and run):
@ECHO OFF
ECHO %0
SET BathFileAndPath=%~0
ECHO %BathFileAndPath%
ECHO "%BathFileAndPath%"
ECHO %~0
ECHO %0
PAUSE
Output:
"C:\Users\Test\Documents\Batch Files\Remove Quotes.cmd"
C:\Users\Test\Documents\Batch Files\Remove Quotes.cmd
"C:\Use...