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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...
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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...
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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...
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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 ...
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创业 比“直男癌”更可怕的是“技术癌” - 资讯 - 清泛网 - 专注C/C++及内核技术

...结合当时方兴未艾的RFID技术做了一整套的生猪养殖过程监控系统。他们的解决方案是这样的:给每一头猪都打上一个RFID耳标,而后通过后台管理系统自动追踪每一头猪的喂养和用药情况。当时的一个RFID猪耳标售价二三十元,再...
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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...
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How to convert an IPv4 address into a integer in C#?

I'm looking for a function that will convert a standard IPv4 address into an Integer. Bonus points available for a function that will do the opposite. ...
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C++中智能指针的设计和使用 - C/C++ - 清泛网 - 专注C/C++及内核技术

...可以访问U_Ptr的成员 class U_Ptr { friend class HasPtr; int *ip; size_t use; U_Ptr(int *p) : ip(p) , use(1) { cout << "U_ptr constructor called !" << endl; } ~U_Ptr() { delete ip; cout << "U_ptr distructor called !" << endl; } }; HasPtr类需要一个析...
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java.net.ConnectException: localhost/127.0.0.1:8080 - Connection refused

...ly i am doing the same thing. Can u explain in detail. Where to change the ip address to 10.0.2.2. This is the folder i am trying to access from xampp server localhost:8080/aero – pradeep Mar 31 '11 at 5:56 ...
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How can I do DNS lookups in Python, including referring to /etc/hosts?

...y sure if you want to do DNS lookups yourself or if you just want a host's ip. In case you want the latter, import socket print(socket.gethostbyname('localhost')) # result from hosts file print(socket.gethostbyname('google.com')) # your os sends out a dns query ...