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大数据能否拯救中国足球？ - 资讯 - 清泛网 - 专注C/C++及内核技术
...表示：“希望俱乐部能在球场增加先进的采集设备，实时监控球员的训练情况，能够及时为教练员和球队技术小组提供第一手相关数据资料。”
大数据到底在足球比赛中有多重要？郑明表示：“现代专业足球数据分析对于职业...
C++实现一款简单完整的聊天室服务器+客户端 - C/C++ - 清泛网 - 专注C/C++及内核技术
...tex_t mutex;
CLIENT_INFO client[MAX_CLIENT];
int clientCount;
int IPtoString(unsigned long ip, char *buf, int buflen);
int Search(int sock);
public:
Clients();//构造函数
virtual ~Clients();//析构函数
int GetClientCount();
bool PutClient(int sock,const struct...
企业级负载平衡简介 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...浏览器将首先查找本地的DNS缓存是否拥有该域名所对应的IP地址。如果有，那么浏览器将尝试直接使用该IP地址访问该网站的内容。如果本地DNS缓存中没有该域名所对应的IP地址，那么它将向DNS发送一个请求，以获得该域名所对应...
How to get a Docker container's IP address from the host
Is there a command I can run to get the container's IP address right from the host after a new container is created?
52 Ans...
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
}
...
防挂马：apache禁止访问文件或目录执行权限、禁止运行脚本PHP文件的设置方...
...oyun.cc/*>
Order allow,deny
Deny from all
</Proxy>
2. 禁止某些IP访问/只允许某些IP访问
如果要控制禁止某些非法IP访问，在Directory选项控制：
<Directory "/var/www/web/">
Order allow,deny
Allow from all
Deny from 10.0.0.1 #阻止一个IP
Deny from 19...
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
...
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]
...
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 ...
Access mysql remote database from command line
...below command:
mysql -u {username} -p'{password}' \
-h {remote server ip or name} -P {port} \
-D {DB name}
For example
mysql -u root -p'root' \
-h 127.0.0.1 -P 3306 \
-D local
no space after -p as specified in the documentation
It will take you to the mysql console dir...