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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...
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:
...
Windows远程桌面授权错误（授权超时）等报错信息疑难解答 - 更多技术 - 清...
...器可以通讯。要完成上述操作，请在每台计算机上使用 IP 地址、FQDN 和 NetBIOS 名称分别针对其他两台计算机运行ping命令。如果任何ping命令失败，请验证网络上的 DNS 配置。
4. 在终端服务器上，设置一个要连接到的首选授权...
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?
...
LR性能指标解释 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...配置。
4.JMap。监控java程序是否有内存泄漏，需要配合eclipse插件或者MemoryAnalyzer来使用。
5.JProfiler。全面监控每个节点的CPU使用率、内存使用率、响应时间累计值、线程执行情况等，需要在JVM参数中进行配置。
6.Nmon。全面监控...
What is the difference between HTTP_HOST and SERVER_NAME in PHP?
...rver attempts to deduce the hostname by performing a reverse lookup on the IP address. If no port is specified in the ServerName, then the server will use the port from the incoming request. For optimal reliability and predictability, you should specify an explicit hostname and port using the Server...
Understanding Apache's access log
...r}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 line from the clie...