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Run Cron job every N minutes plus offset
...-59/20 * * * *
Explanation
An * in the minute field is the same as 0-59/1 where 0-59 is the range and 1 is the step. The command will run at the first minute in the range (0), then at all successive minutes that are distant from the first by step (1), until the last (59).
Which is why */20 * * *...
What's the difference between deque and list STL containers?
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edited Jun 20 at 9:12
Community♦
111 silver badge
answered Sep 16 '09 at 23:34
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Detecting iOS / Android Operating system
...oid";
}
// iOS detection from: http://stackoverflow.com/a/9039885/177710
if (/iPad|iPhone|iPod/.test(userAgent) && !window.MSStream) {
return "iOS";
}
return "unknown";
}
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PostgreSQL: How to make “case-insensitive” query
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answered Aug 10 '11 at 2:47
ChanduChandu
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Open new Terminal Tab from command line (Mac OS X)
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13 Answers
13
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Collect successive pairs from a stream
Given a stream such as { 0, 1, 2, 3, 4 } ,
20 Answers
20
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Numpy: find first index of value fast
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16 Answers
16
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How to create a date object from string in javascript [duplicate]
Having this string 30/11/2011 . I want to convert it to date object.
8 Answers
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