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how to detect search engine bots with php?
...s user agent with fake name and name it like "Googlebot"? I think checking ip range is more trustworthy!
– Mojtaba Rezaeian
Jul 1 '15 at 6:39
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Difference between TCP and UDP?
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TCP is a connection oriented stream over an IP network. It guarantees that all sent packets will reach the destination in the correct order. This imply the use of acknowledgement packets sent back to the sender, and automatic retransmission, causing additional delays a...
How to create a self-signed certificate with OpenSSL
...lopment.
# DNS.5 = localhost
# DNS.6 = localhost.localdomain
# IP.1 = 127.0.0.1
# IP.2 = ::1
It's important to put DNS name in the SAN and not the CN, because both the IETF and the CA/Browser Forums specify the practice. They also specify that DNS names in the CN are depr...
Apache .htaccess 禁止访问某目录方法 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...代码。
order allow,deny
deny from all
(可以把all换成某一ip地址)最简单方法，在所要禁止的目录中的.htaccess文件中添加一下两行代码。
order allow,deny
deny from all
(可以把all换成某一ip地址)
【.htaccess简介】
.htaccess文件，又叫分...
Forward host port to docker container
...ter to all the containers. Assuming you are on recent ubuntu, you can run
ip addr
This will give you a list of network adapters, one of which will look something like
3: docker0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP
link/ether 22:23:6b:28:6b:e0 brd ff:ff:ff:ff:...
iPhone Data Usage Tracking/Monitoring
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The thing is that pdp_ip0 is one of interfaces, all pdpXXX are WWAN interfaces dedicated to different functions, voicemail, general networking interface.
I read in Apple forum that :
The OS does not keep network statistics on a process-by-process...
Where am I? - Get country
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Use this link http://ip-api.com/json ,this will provide all the information as json. From this json you can get the country easily. This site works using your current IP,it automatically detects the IP and sendback details.
Docs http://ip-api.c...
NASM x86汇编入门指南 - C/C++ - 清泛网 - 专注C/C++及内核技术
...2. 为什么写这篇文章
3. NASM(The Netwide Assembler)汇编编译工具
3.1 为什么使用NASM？
3.2 如何安装NASM？
4. Linux汇编介绍
4.1 DOS和Linux汇编主要不同的地方
4.2 一个汇编程序的组成
4.3 linux系统调用
4.3.1 阅...
iOS开发调试技巧总结 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...强大呢？
【5.Analyze分析器】
Analyze分析器是一种静态的工具，可以对我们的程序进行分析，找出我们未使用的变量，或一些死存储。执行Analyze如下：Product-->Analyze. 如下蓝色的标记就是静态分析的结果。
当然，我们可以设置在...
How to SSH to a VirtualBox guest externally through a host? [closed]
...pe in VirtualBox to bridged, and set the guest to use DHCP or set a static IP address outside of the bounds of DHCP. This will cause the Virtual Machine to act like a normal guest on your home network. You can then port forward.
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