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How can I detect if the user is on localhost in PHP?
...
You can also use $_SERVER['REMOTE_ADDR'] for which IP address of the client requesting is given by the web server.
$whitelist = array(
'127.0.0.1',
'::1'
);
if(!in_array($_SERVER['REMOTE_ADDR'], $whitelist)){
// not valid
}
...
How to calculate date difference in JavaScript?
I want to calculate date difference in days, hours, minutes, seconds, milliseconds, nanoseconds. How can I do it?
18 Answer...
一款IP:端口监控工具 服务器端口监控工具[附源码] - C/C++ - 清泛网 - 专注...
一款IP:端口监控工具 服务器端口监控工具[附源码]TradeMonitor v1 0功能介绍：监控ip:port，类似于telnet命令。界面清晰简洁，异常连接的情况一目了然。支持添加、编辑、删除、移动ip:port TradeMonitor v1.0
功能介绍：
监控ip:port，类...
一款IP：端口监控工具 服务器端口监控工具 - 软件下载 - 清泛网 - 专注C/C+...
一款IP：端口监控工具 服务器端口监控工具端口 监控 服务器TradeMonitor v1.0功能介绍：监控ip:port，类似于telnet命令。界面清晰简洁，异常连接的情况一目了然。支持添加、编辑、删除、移动ip:port...TradeMonitor v1.0
功能介绍：
监控...
Inline code in org-mode
...answered Apr 24 '13 at 8:49
François FévotteFrançois Févotte
14.2k44 gold badges3434 silver badges6363 bronze badges
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MySQL复制的概述、安装、故障、技巧、工具 - 数据库(内核) - 清泛网 - 专注...
...;
注：出于安全性和灵活性的考虑，不要把root等具有SUPER权限用户作为复制账号。
然后设置主服务器配置文件（缺省：/etc/my.cnf）：
[mysqld]
server_id = 100
log_bin = mysql-bin
log_bin_index = mysql-bin.index
sync_binlog = 1
innodb_flush_log_at_t...
Regex to match a digit two or four times
...e -- but apparently the asker didn't...).
– Jean-François Corbett
Apr 30 at 11:24
2
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How to allow remote connection to mysql
...tions.
I started looking at the users in MySQL and noticed there were multiple root users with different passwords.
select user, host, password from mysql.user;
So in MySQL I set all the passwords for root again and I could finally log in remotely as root.
use mysql;
update user set password=P...
What is the largest Safe UDP Packet Size on the Internet
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It is true that a typical IPv4 header is 20 bytes, and the UDP header is 8 bytes. However it is possible to include IP options which can increase the size of the IP header to as much as 60 bytes. In addition, sometimes it is necessary for intermedia...
Why can't C compilers rearrange struct members to eliminate alignment padding? [duplicate]
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There are multiple reasons why the C compiler cannot automatically reorder the fields:
The C compiler doesn't know whether the struct represents the memory structure of objects beyond the current compilation unit (for example: a foreign ...