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How can I shuffle the lines of a text file on the Unix command line or in a shell script?
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Community♦
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answered Jan 28 '10 at 10:51
JoeyJoey
304k7575 gold badges627...
Is gettimeofday() guaranteed to be of microsecond resolution?
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– R.. GitHub STOP HELPING ICE
Jan 16 '11 at 23:02
2
From the Linux FAQ for lock_gettime (see David ...
Convert UTC datetime string to local datetime
..._zone = tz.tzlocal()
# utc = datetime.utcnow()
utc = datetime.strptime('2011-01-21 02:37:21', '%Y-%m-%d %H:%M:%S')
# Tell the datetime object that it's in UTC time zone since
# datetime objects are 'naive' by default
utc = utc.replace(tzinfo=from_zone)
# Convert time zone
central = utc.astimezon...
pg_config executable not found
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answered Aug 20 '12 at 11:51
TilmanBaumannTilmanBaumann
9,09822 gold badges1111 silver badges1010 bronze badges
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How to allow remote connection to mysql
..._TRANS_TABLES
– Leo
Feb 8 '13 at 19:11
2
this answer works perfect. thnx @mjuarez - GRANT ALL P...
could not resolve host github.com error while cloning remote repository in git
...bal --unset https.proxy'
– degs
Jul 11 '15 at 5:43
1
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How to disable “Save workspace image?” prompt in R?
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11 Answers
11
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Add up a column of numbers at the Unix shell
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– Dr. Jan-Philip Gehrcke
Apr 10 '13 at 11:04
7
To make this a bit shorter, you could use total+=$1 i...
__FILE__ macro shows full path
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answered Dec 13 '11 at 11:13
red1ynxred1ynx
3,24611 gold badge1515 silver badges2222 bronze badges
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Why do people say there is modulo bias when using a random number generator?
...y!
When rand() returns 0, 3, 6, or 9, rand()%3 == 0. Therefore, P(0) = 4/11
When rand() returns 1, 4, 7, or 10, rand()%3 == 1. Therefore, P(1) = 4/11
When rand() returns 2, 5, or 8, rand()%3 == 2. Therefore, P(2) = 3/11
This does not generate the numbers between 0 and 2 with equal probability....