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Apache两种工作模式区别及配置切换 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...模式可以不必在请求到来时再产生新的进程，从而减小了系统开销以增加性能。
MaxSpareServers设置了最大的空闲进程数，如果空闲进程数大于这个值，Apache会自动kill掉一些多余进程。这个值不要设得过大，但如果设的值比M...
Understanding Apache's access log
...>s %b \"%{Referer}i\" \"%{User-agent}i\"" combined
%h is the remote host (ie the client IP)
%l is the identity of the user determined by identd (not usually used since not reliable)
%u is the user name determined by HTTP authentication
%t is the time the request was received.
%r is the request...
Rails 3 - can't install pg gem
...ur pg-config can be in different locations depending on how you installed postgres.
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CentOS+Nginx+PHP+MySQL详细配置(图解) - PHP - 清泛IT论坛，有思想、有深度
...cre //查询系统中有没有安装PCRE，一般装系统是默认装有，所以我们要删掉系统自带的
#cp /lib/libpcre.so.0 / //在删除系统自带的PCRE之前，要先备...
不同品牌的防火墙组成高可靠性集群 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...是32766，要查询的路由表名称是main，后面依此类推。
3、操作系统在选路时首先根据路由规则选取table，然后再从table里选取相应路由，如果同一table里不同接口使用相同的网关，选路时会默认选择第一条路由
，所以当有两个网...
How to reset Android Studio
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I only know how to do this on Windows (but it should be similar on any OS, you will just need to find the correct location yourself - google search would help with that).
On Windows:
Go to your User Folder - on Windows 7/8 this would be:
[SYSDRIVE]:\Users\[your username] (ex. C:\Users\Joh...
How to repeat last command in python interpreter shell?
...n startup file
import readline
import rlcompleter
import atexit
import os
# tab completion
readline.parse_and_bind('tab: complete')
# history file
histfile = os.path.join(os.environ['HOME'], '.pythonhistory')
try:
readline.read_history_file(histfile)
except IOError:
pass
atexit....
How to set gradle home while importing existing project in Android studio
...om Android Studio that is not the right folder.
– lagos
Sep 30 '14 at 7:56
9
the directory in thi...
How to automate createsuperuser on django?
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This should be the most upvoted (and accepted) answer.
– bruno desthuilliers
Oct 20 '17 at 10:19
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What is the “FS”/“GS” register intended for?
So I know what the following registers and their uses are supposed to be:
5 Answers
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