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Interpolating a string into a regex
...uote or Regexp.escape if I just used single quotes on my input string: (an IP address match)
IP_REGEX = '\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}'
my_str = "192.0.89.234 blahblah text 1.2, 1.4" # get the first ssh key
# replace the ip, for demonstration
my_str.gsub!(/#{IP_REGEX}/,"192.0.2.0")
puts my_...
Thin web server: `start_tcp_server': no acceptor (RuntimeError) after git branch checkout
...s
33240 s003 S+ 0:15.05 /Users/Arta/.rbenv/versions/1.9.2-p290/bin/ruby script/rails s -p 3000
kill it, and run anew:
$ kill -9 33240
$ rails s
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离开1号店 于刚再创业钟情“互联网+” - 资讯 - 清泛网 - 专注C/C++及内核技术
...上采取重要改变。
近期，沃尔玛发给记者的一份声明中显示：“1号店创始人兼董事长于刚以及联合创始人兼首席执行官刘峻岭决定离开1号店，去开创他们下一个事业。1号店作为沃尔玛在华战略重要的一部分将继续服务好中国...
Socket send函数和recv函数详解以及利用select()函数来进行指定时间的阻塞 ...
...送数据时网络断开的话，调用send的进程会接收到一个SIGPIPE信号，进程对该信号的默认处理是进程终止。
recv函数
int recv( SOCKET s, char FAR *buf, int len, int flags );
不论是客户还是服务器应用程序都用recv函数从TCP连接的另一端接收数...
实战低成本服务器搭建千万级数据采集系统 - 更多技术 - 清泛网 - 专注C/C++...
...过各大微博的搜索api。就比如新浪微博API针对一个服务器IP的请求次数，普通权限限制是一个小时1w次，最高权限合作授权一个小时4w次。使用应用时还需要有足够的用户，单用户每个应用每小时访问1000次，最高权限4w次需要40个...
libevent对比libev的基准测试 - C/C++ - 清泛网 - 专注C/C++及内核技术
... 个活动客户端
事不宜迟，以下是结果：
左边两个图显示了设置观察者、准备套接字和轮询事件所花费的总时间，而右边两个图仅包括实际的轮询处理。顶行代表 100 个活动客户端（执行 I/O 的客户端），底行使用 1000 个。...
Bash Templating: How to build configuration files from templates with Bash?
I'm writing a script to automate creating configuration files for Apache and PHP for my own webserver. I don't want to use any GUIs like CPanel or ISPConfig.
...
NGINX to reverse proxy websockets AND enable SSL (wss://)?
...NX config files so you can re-use them (that includes your init.d/nginx script)
yum install pcre pcre-devel openssl openssl-devel and any other necessary libs for building NGINX
Get the nginx_tcp_proxy_module from GitHub here https://github.com/yaoweibin/nginx_tcp_proxy_module and remember the folde...
Nginx 403 error: directory index of [folder] is forbidden
... rewrite ^/(.+)/$ /$1 permanent;
}
# pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000
location ~ \.php$ {
fastcgi_split_path_info ^(.+\.php)(/.+)$;
# # NOTE: You should have "cgi.fix_pathinfo = 0;" in php.ini
# # With php5-fpm:
...
Where can I get a list of Ansible pre-defined variables?
...les that we can use in playbooks and template files. For example, the host ip address is ansible_eth0.ipv4.address. Googleing and searching the docs I cound't find a list of all available variables. Would someone list them for me?
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