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Select random lines from a file
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656
Use shuf with the -n option as shown below, to get N random lines:
shuf -n N input > output...
Turn off constraints temporarily (MS SQL)
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PHP shell_exec() vs exec()
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356
shell_exec returns all of the output stream as a string. exec returns the last line of the outp...
How do you split a list into evenly sized chunks?
... yield lst[i:i + n]
import pprint
pprint.pprint(list(chunks(range(10, 75), 10)))
[[10, 11, 12, 13, 14, 15, 16, 17, 18, 19],
[20, 21, 22, 23, 24, 25, 26, 27, 28, 29],
[30, 31, 32, 33, 34, 35, 36, 37, 38, 39],
[40, 41, 42, 43, 44, 45, 46, 47, 48, 49],
[50, 51, 52, 53, 54, 55, 56, 57, 58, 59],
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Eclipse, regular expression search and replace
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How do I write a custom init for a UIView subclass in Swift?
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fork() branches more than expected?
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The fork() primitive often stretches the imagination. Until you get a feel for it, you should t...
Restart/undo conflict resolution in a single file
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Found the solution here: http://gitster.livejournal.com/43665.html
git checkout -m FILE
This restores the unresolved state, including all information about parent and merge base, which allows restarting the resolution.
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How do I validate a date string format in python?
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How to change column datatype from character to numeric in PostgreSQL 8.4
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edited Apr 25 '16 at 18:14
answered Oct 7 '11 at 5:33
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