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廉价共享存储解决方案1-drbd+ha+nfs - 更多技术 - 清泛网 - 专注C/C++及内核技术
...8.9.3 /etc/rc.d/init.d/
#chkconfig --add drbd
#chkconfig --level 2345 drbd on
#链接drbd的命令到系统命令路径
ln -s /usr/local/drbd-utils-8.9.3/sbin/* /usr/bin/
3.4.设置drbd.conf配置文件
详细配置说明请参考
http://www.itnose.net/detail/6272989....
Creating a byte array from a stream
...See stackoverflow.com/questions/1646193/… and krishnabhargav.blogspot.dk/2009/06/…
– RenniePet
Jan 2 '13 at 5:29
4
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Sql Server string to date conversion
...ser who typed 9/6/12 meant September 6th 2012, June 9th 2012, December 6th 2009, or something else?
– Aaron Bertrand
Dec 24 '12 at 16:09
14
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How to merge two arrays in JavaScript and de-duplicate items
... to say that this should be the accepted answer since the question is from 2009. But yes, this not only is more "performant" but also "elegant"
– Cezar Augusto
Sep 21 '16 at 19:43
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Why are Python lambdas useful? [closed]
...al behind Python's functional features:
http://python-history.blogspot.com/2009/04/origins-of-pythons-functional-features.html
Curiously, the map, filter, and reduce functions that originally motivated the introduction of lambda and other functional features have to a large extent been supersede...
Best approach to remove time part of datetime in SQL Server
...
@BernhardDöbler in Jul 2009 when I answered , "0218" would have been a valid date so you would not have got this far. Also the "0" does not convert to 19000101 for datetime2. Try this select SELECT DATEDIFF(dd, '19000101', convert(datetime2(0), '02...
Merge PDF files
...
here, http://pieceofpy.com/2009/03/05/concatenating-pdf-with-python/, gives an solution.
similarly:
from pyPdf import PdfFileWriter, PdfFileReader
def append_pdf(input,output):
[output.addPage(input.getPage(page_num)) for page_num in range(input...
How to concatenate strings of a string field in a PostgreSQL 'group by' query?
... ORDER BY first_appearance)
PostgreSQL 8.4 or later:
PostgreSQL 8.4 (in 2009) introduced the aggregate function array_agg(expression) which concatenates the values into an array. Then array_to_string() can be used to give the desired result:
SELECT company_id, array_to_string(array_agg(employee)...
Maven Modules + Building a Single Specific Module
...gator project Q.
Edit 2016: The above information was perhaps relevant in 2009. As of 2016, I highly recommend ignoring this in most cases, and simply using the -am or -pl command-line flags as described in the accepted answer. If you're using a version of maven from before v2.1, change that first ...
MySQL Data - Best way to implement paging?
...agination Using MySQL, by Yahoo Inc. in the Percona Performance Conference 2009. The Percona MySQL team provides it also as a Youtube video: Efficient Pagination Using MySQL (video),
The main problem happens with the usage of large OFFSETs. They avoid using OFFSET with a variety of techniques, ran...