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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
...
#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.html
本次编...
构建高并发高可用的电商平台架构实践 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...ent中，保存了具体每一行的数据，这些数据也是通过双向链接连接的。
每一行数据存储空间不仅包括数据占用空间，还可能包含一部分附加空间，这使得在数据update变大后可以不移动位置。
索引以BTree结构实现。
如果你开启...
tinyxml XML解析库下载（tinyxml2.h 和 tinyxml2.cpp） - 源码下载 - 清泛...
...if
#endif // TINYXML2_INCLUDED
tinyxml2.cpp
请点击下面的下载链接~
*24k
【内核源码】linux UDP实现 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...sk_receive_queue和sk_write_queue。
本文作者： bhpike65
本文链接： http://www.cnhalo.net/2016/06/13/linux-udp/
linux udp
Unique combination of all elements from two (or more) vectors
... what you are after
> expand.grid(a,b)
Var1 Var2
1 ABC 2012-05-01
2 DEF 2012-05-01
3 GHI 2012-05-01
4 ABC 2012-05-02
5 DEF 2012-05-02
6 GHI 2012-05-02
7 ABC 2012-05-03
8 DEF 2012-05-03
9 GHI 2012-05-03
10 ABC 2012-05-04
11 DEF 2012-05-04
12 GHI 2012-05-04
13 ABC 20...
What killed my process and why?
...imestamps
– gukoff
Nov 22 '17 at 11:05
If you only want to see a list of recently killed process on a server, try usin...
Fast way of counting non-zero bits in positive integer
...
b'\x01\x02\x02\x03\x02\x03\x03\x04\x02\x03\x03\x04\x03\x04\x04\x05'
b'\x01\x02\x02\x03\x02\x03\x03\x04\x02\x03\x03\x04\x03\x04\x04\x05'
b'\x02\x03\x03\x04\x03\x04\x04\x05\x03\x04\x04\x05\x04\x05\x05\x06'
b'\x01\x02\x02\x03\x02\x03\x03\x04\x02\x03\x03\x04\x03\...
What is the maximum possible length of a .NET string?
...of a string.
The test starts ...now:
s.Length = 1000000000 at 08/05/2019 12:06
Exception of type 'System.OutOfMemoryException' was thrown. at
08/05/2019 12:06. After decimation, the value of Increment is
100000000.
Exception of type 'System.OutOfMemoryException' was thrown. a...
How to calculate age (in years) based on Date of Birth and getDate()
...---------------------------------- ---------------- ----------------
17.767054 18 17
(1 row(s) affected)
UPDATE here are some more accurate methods:
BEST METHOD FOR YEARS IN INT
DECLARE @Now datetime, @Dob datetime
SELECT @Now='1990-05-05', @Dob='...
JavaScript loop through json array?
...his:
var json = [{
"id" : "1",
"msg" : "hi",
"tid" : "2013-05-05 23:35",
"fromWho": "hello1@email.se"
},
{
"id" : "2",
"msg" : "there",
"tid" : "2013-05-05 23:45",
"fromWho": "hello2@email.se"
}];
You can loop over the Array like this:
for(var i = 0; i <...