大约有 48,000 项符合查询结果（耗时：0.0798秒） [XML]
Can I zip more than two lists together in Scala?
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codebox
17.2k77 gold badges5151 silver badges7575 bronze badges
answered Nov 3 '09 at 1:16
copumpkincopumpkin
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How to install Android SDK Build Tools on the command line?
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edited Aug 24 '16 at 0:54
trygub
8788 bronze badges
answered Oct 17 '13 at 0:24
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Filter dict to contain only certain keys?
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15 Answers
15
Active
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Round a double to 2 decimal places [duplicate]
If the value is 200.3456 , it should be formatted to 200.34 .
If it is 200 , then it should be 200.00 .
13 Answers
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Is there a Python function to determine which quarter of the year a date is in?
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165
Given an instance x of datetime.date, (x.month-1)//3 will give you the quarter (0 for first quar...
How do you use “
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Ricardo Oliveros-Ramos
4,13522 gold badges1919 silver badges3939 bronze badges
answered Apr 13 '10 at 14:18
hadleyhadley
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How to create a bash script to check the SSH connection?
...th the return-value ssh gives you:
$ ssh -q user@downhost exit
$ echo $?
255
$ ssh -q user@uphost exit
$ echo $?
0
EDIT: Another approach would be to use nmap (you won't need to have keys or login-stuff):
$ a=`nmap uphost -PN -p ssh | grep open`
$ b=`nmap downhost -PN -p ssh | grep open`
$ ech...
javascript i++ vs ++i [duplicate]
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answered Jul 29 '11 at 2:05
GuffaGuffa
619k9090 gold badges651651 silver badges926926 bronze badges
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unable to install pg gem
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edited Mar 20 '15 at 6:57
answered May 23 '11 at 10:09
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diff to output only the file names
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edited Feb 5 '15 at 22:55
answered Jun 2 '11 at 17:06
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