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Can (domain name) subdomains have an underscore “_” in it?

...lly. Domains with underscores are very common in the wild. Check _jabber._tcp.gmail.com or _sip._udp.apnic.net. Other RFC mentioned here deal with different things. The original question was for domain names. If the question is for host names (or for URLs, which include a host name), then this is ...
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Drawing an image from a data URL to a canvas

... image so it's better to play it safe. :) – Juho Vepsäläinen Jan 23 '11 at 21:10 1 @bebraw Let'...
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Git / Bower Errors: Exit Code # 128 & Failed connect

... Neither Port 22 or 9418 being opened in/out for tcp/udp unblocked me. – kayleeFrye_onDeck Sep 8 '16 at 23:40 add a comment  |  ...
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Ruby: How to get the first character of a string

How can I get the first character in a string using Ruby? 13 Answers 13 ...
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How to reset db in Django? I get a command 'reset' not found error

... edited May 14 at 12:17 Håken Lid 15.9k77 gold badges3535 silver badges5555 bronze badges answered Aug 30 '13 at 22:06 ...
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Can't push to GitHub because of large file which I already deleted

Currently I have 18 Answers 18 ...
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CentOS+Nginx+PHP+MySQL详细配置(图解) - PHP - 清泛IT论坛,有思想、有深度

...PHP-FPM说白了是一个管理FastCGI的一个管理器,它作为PHP的插件纯在,在安装PHP要想使用PHP-FPM时就需要把PHP-FPM以补丁的形式安装到PHP中,而且PHP要与PHP-FPM版本一致,这是必须的,切记!       首先我们把PHP和PHP-FPM...
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How can you find out which process is listening on a port on Windows?

... New answer, powershell Get-Process -Id (Get-NetTCPConnection -LocalPort YourPortNumberHere).OwningProcess Old answer, cmd C:\> netstat -a -b (Add -n to stop it trying to resolve hostnames, which will make it a lot faster.) Note Dane's recommendation for TCPView. It ...
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Can't connect to local MySQL server through socket '/var/mysql/mysql.sock' (38)

...ad of 'localhost' in mysql_connect(). This "forces" php to connect through TCP/IP instead of a unix socket. share | improve this answer | follow | ...
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What is scope/named_scope in rails?

...ed Feb 2 '11 at 2:17 Michael SchäfermeyerMichael Schäfermeyer 2,70411 gold badge1313 silver badges77 bronze badges ...