大约有 44,000 项符合查询结果（耗时：0.0435秒） [XML]
How to get min/max of two integers in Postgres/SQL?
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edited Apr 21 '16 at 15:11
ThiefMaster
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an...
Programmatically fire button click event?
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answered Apr 11 '11 at 18:27
Zaky GermanZaky German
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os.path.dirname(__file__) returns empty
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edited Oct 16 '11 at 22:42
answered Oct 16 '11 at 9:06
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List distinct values in a vector in R
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answered Oct 13 '11 at 14:08
csgillespiecsgillespie
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Adding and removing style attribute from div with jquery
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answered Mar 22 '11 at 17:02
Adam AlbrechtAdam Albrecht
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How to swap files between windows in VIM?
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edited Mar 28 '13 at 11:21
Holger Just
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Set width of TextView in terms of characters
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answered May 29 '11 at 1:44
FraggleFraggle
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How to switch to REPLACE mode in VIM
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answered Feb 9 '12 at 11:12
hochlhochl
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How to get the last element of a slice?
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Toni CárdenasToni Cárdenas
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Using sed, how do you print the first 'N' characters of a line?
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211
Don't use sed, use cut:
grep .... | cut -c 1-N
If you MUST use sed:
grep ... | sed -e 's/^\...