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Random number from a range in a Bash Script
I need to generate a random port number between 2000-65000 from a shell script. The problem is $RANDOM is a 15-bit number, so I'm stuck!
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Assign output of os.system to a variable and prevent it from being displayed on the screen [duplicat
... code ,the output is sent to the screen and the value printed for var is 0, which I guess signifies whether the command ran successfully or not. Is there any way to assign the command output to the variable and also stop it from being displayed on the screen?
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Set custom HTML5 required field validation message
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+150
Code snippet
Since this answer got very much attention, here is a nice configurable snippet I came up with:
/**
* @author ComFreek...
How to drop columns by name in a data frame
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answered Mar 8 '11 at 15:03
jubajuba
41k1111 gold badges9696 silver badges109109 bronze badges
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Compiler Ambiguous invocation error - anonymous method and method group with Func or Action
...ited Jul 19 '17 at 8:21
user247702
21.2k1212 gold badges100100 silver badges142142 bronze badges
answered Jan 13 '10 at 17:30
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Inserting a PDF file in LaTeX
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IcyFlame
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answered Apr 29 '10 at 18:16
MicaMica
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best way to preserve numpy arrays on disk
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edited Apr 14 '15 at 15:00
answered Mar 8 '12 at 15:02
Jo...
Hidden features of Windows batch files
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share
edited Aug 7 '10 at 18:00
community wiki
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Select first row in each GROUP BY group?
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On Oracle 9.2+ (not 8i+ as originally stated), SQL Server 2005+, PostgreSQL 8.4+, DB2, Firebird 3.0+, Teradata, Sybase, Vertica:
WITH summary AS (
SELECT p.id,
p.customer,
p.total,
ROW_NUMBER() OVER(PARTITION BY p.customer
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Controlling fps with requestAnimationFrame?
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