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Rails: Get Client IP address

In Rails, what's the best way to get the ip address of the client connecting to the server? 5 Answers ...
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How can I get the MAC and the IP address of a connected client in PHP?

I need to know the MAC and the IP address of the connect clients, how can I do this in PHP? 16 Answers ...
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Check if a temporary table exists and delete if it exists before creating a temporary table

...me in SQL Server 2005, with the extra "foo" column appearing in the second select result: IF OBJECT_ID('tempdb..#Results') IS NOT NULL DROP TABLE #Results GO CREATE TABLE #Results ( Company CHAR(3), StepId TINYINT, FieldId TINYINT ) GO select company, stepid, fieldid from #Results GO ALTER TABLE #R...
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What is the best Distributed Brute Force countermeasure?

... whitelist, and then - and here's the trick - not blocking non-whitelisted IPs, just throttling them to hell and back. Note that this measure is only meant to thwart this very specific type of attack. In practice, of course, it would work in combination with other best-practices approaches to au...
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How can I group by date time column without taking time into consideration

...S DATE)' . don't forget to add the same( CAST(date_modified AS DATE) ) in select cluase. – Mohammed mansoor Apr 12 '16 at 6:57 ...
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How do multiple clients connect simultaneously to one port, say 80, on a server? [duplicate]

...erstand the basics of how ports work. However, what I don't get is how multiple clients can simultaneously connect to say port 80. I know each client has a unique (for their machine) port. Does the server reply back from an available port to the client, and simply state the reply came from 80? How d...
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ping response “Request timed out.” vs “Destination Host unreachable”

When I ping an IP address, what is the difference between Request timed out and Destination host unreachable returned from the command? ...
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虚拟机ubuntu与宿主机NAT方式设定静态IP共享上网 - 更多技术 - 清泛网 - 专...

虚拟机ubuntu与宿主机NAT方式设定静态IP共享上网前阵子虚拟机安装Ubuntu 10.10后一直不能上网,折腾了好几天终于可以了,在这里写个记录备忘哈哈ubuntu安装参考   点击打开链接http: ...前阵子虚拟机安装Ubuntu 10.10后一直不能上...
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Vagrant reverse port forwarding?

...ing accounting for vagrant's potentially differente config if you have multiple vagrant setup: vagrant ssh-config | ssh -F /dev/stdin $BOX -R $PORT_VM:localhost:$PORT -N – ibizaman Nov 11 '15 at 10:36 ...
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Quickest way to convert a base 10 number to any base in .NET?

...ing hexavigesimal = IntToString(42, Enumerable.Range('A', 26).Select(x => (char)x).ToArray()); // convert to sexagesimal string xx = IntToString(42, new char[] { '0','1','2','3','4','5','6','7','8','9', 'A','B','C','D','E','F','G','H','I','J'...