大约有 46,000 项符合查询结果（耗时：0.0396秒） [XML]
How to format a number 0..9 to display with 2 digits (it's NOT a date)
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answered Sep 14 '12 at 9:15
beny23beny23
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How to express infinity in Ruby?
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answered Apr 25 '11 at 12:31
MattMatt
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Count how many files in directory PHP
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edited Oct 9 '12 at 14:07
answered Oct 9 '12 at 14:01
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What are the GCC default include directories?
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answered Jul 12 '11 at 15:01
Ihor KaharlichenkoIhor Kaharlichenko
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Postgres - FATAL: database files are incompatible with server
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If you recently upgraded to 11 or 12 from 10.x you can run the below command to upgrade your postgres data directory retaining all data:
brew postgresql-upgrade-database
The above command is taken from the output of brew info postgres
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How to get last items of a list in Python?
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>>> a = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12]
>>> a
[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12]
>>> a[-9:]
[4, 5, 6, 7, 8, 9, 10, 11, 12]
the important line is a[-9:]
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How to write inline if statement for print?
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edited Jan 12 '15 at 9:26
answered Aug 9 '12 at 9:47
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Global access to Rake DSL methods is deprecated
...s Antonio
– user779350
Jun 1 '11 at 12:20
1
I agree with Antonio - when I said to remove rake 0.9...
Best way to get child nodes
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edited Sep 12 '13 at 8:25
answered Apr 30 '12 at 9:52
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Regular expression for matching HH:MM time format
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Regular Expressions for Time
HH:MM 12-hour format, optional leading 0
/^(0?[1-9]|1[0-2]):[0-5][0-9]\d$/
HH:MM 12-hour format, optional leading 0, mandatory meridiems (AM/PM)
/((1[0-2]|0?[1-9]):([0-5][0-9]) ?([AaPp][Mm]))/
HH:MM 24-hour with leading 0
/^(0...