大约有 30,200 项符合查询结果（耗时：0.0458秒） [XML]
Renaming columns in pandas
...umiroeumiro
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Flushing footer to bottom of the page, twitter bootstrap
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edited Oct 24 '19 at 5:30
live2
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How do I spool to a CSV formatted file using SQLPLUS?
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Limited Atonement
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answered Mar 17 '09 at 15:23
GabeGabe
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What does ||= (or-equals) mean in Ruby?
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answered Mar 24 '10 at 4:11
Jörg W MittagJörg W Mittag
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Is there any standard for JSON API response format?
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edited Aug 24 '19 at 17:46
Ramesh R
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How do you add swap to an EC2 instance?
...instance you type:
sudo /bin/dd if=/dev/zero of=/var/swap.1 bs=1M count=1024
sudo /sbin/mkswap /var/swap.1
sudo chmod 600 /var/swap.1
sudo /sbin/swapon /var/swap.1
If you need more than 1024 then change that to something higher.
To enable it by default after reboot, add this line to /etc/fstab:
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Extract numbers from a string
...Not only before number. Any +/- will not be truncated. If you have xxx-yyy-24 you will get --24. You can use str_repleace(array('+','-'), '', $result) to delete both signs.
– imclickingmaniac
May 8 '13 at 9:09
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How to replace all occurrences of a character in string?
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answered May 24 '10 at 11:33
Kirill V. LyadvinskyKirill V. Lyadvinsky
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Working with time DURATION, not time of day
... 36:00 (=1.5)
A2: End: 60:00 (=2.5)
A3: Duration: =A2-A1 24:00 (=1.0)
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How can I check MySQL engine type for a specific table?
... GregGreg
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