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廉价共享存储解决方案2-drbd+cman+gfs2 - 更多技术 - 清泛网 - 专注C/C++及内核技术
廉价共享存储解决方案2-drbd+cman+gfs21、修改hosts文件[root@localhost ~]# vi etc hosts127.0.0.1localhost localhost.localdomain localhost4 localhost4.localdomain4...1、修改hosts文件
[root@localhost ~]# vi /etc/hosts
127.0.0.1 localhost localhost.localdomain localhost4 localhost...
How can you find out which process is listening on a port on Windows?
How can you find out which process is listening on a port on Windows?
31 Answers
31
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Java: How to set Precision for double value? [duplicate]
I was working with numbers recently and I had a situation where I want to set the precision of a double value say to 6 digits or 4 digits, depending on the value stored in the database.
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Select first 4 rows of a data.frame in R
How can I select the first 4 rows of a data.frame :
5 Answers
5
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Remove blank lines with grep
I tried grep -v '^$' in Linux and that didn't work. This file came from a Windows file system.
14 Answers
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The EXECUTE permission was denied on the object 'xxxxxxx', database 'zzzzzzz', schema 'dbo'
I'm having problems executing a function.
14 Answers
14
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Convert a date format in PHP
I am trying to convert a date from yyyy-mm-dd to dd-mm-yyyy (but not in SQL); however I don't know how the date function requires a timestamp, and I can't get a timestamp from this string.
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How to get the latest tag name in current branch in Git?
What's the simplest way to get the most recent tag in Git?
24 Answers
24
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IndentationError: unindent does not match any outer indentation level
When I compile the Python code below, I get
32 Answers
32
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Scraping html tables into R data frames using the XML package
How do I scrape html tables using the XML package?
4 Answers
4
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