大约有 44,000 项符合查询结果(耗时:0.0355秒) [XML]

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Select datatype of the field in postgres

... So simple and nice! Now I can replace the current query that I found that is 310 characters (without the table name), 4 table join, not schema aware, expensive, and that gives 'int4' and others as types instead of integer. Thank you! ...
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What is the difference between an Azure Web Site and an Azure Web Role

... servers other users' sites. You can scale your site up and down (at some extra charge) to make it more elastic as your resource needs shift. share | improve this answer | f...
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Check status of one port on remote host [closed]

I need a command line that can check the port status on a remote host. I tried ping xxx.xxx.xxx.xxx:161 but it doesn't recognize the "host". I thought it was a "good" answer until I did the same command against a host I know has that port open. This is for a batch file on Windows that will chec...
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What is the theoretical maximum number of open TCP connections that a modern Linux box can have

...a '64K' limit that is often cited, but that is per client per server port, and needs clarifying. Each TCP/IP packet has basically four fields for addressing. These are: source_ip source_port destination_ip destination_port < client > < server > Inside the...
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Python's “in” set operator

... This is not a very good test since string constants are often interned (try a = 'a'; b = 'a'; a is b). I tried it with a = (1, 2, 3); b = (1, 2, 3); a == b; hash(a) == hash(b); a is b; a in set([b]) instead. – Philipp Jan...
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ssh remote host identification has changed

I've reinstalled my server and I am getting these messages: 28 Answers 28 ...
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How to connect to Mysql Server inside VirtualBox Vagrant?

I mounted a new VirtualBox Machine with Vagrant, and inside that VM I installed Mysql Server. How can I connect to that server outside the vm? I already forward the port 3306 of the Vagrantfile , but when I try to connect to the mysql server, it`s resposts with the error: 'reading initial communica...
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Is it possible to ping a server from Javascript?

...eck to see if remote servers are online or not. When I run it from the command line, my page load goes up to a full 60s (for 8 entries, it will scale linearly with more). ...
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Nginx 403 error: directory index of [folder] is forbidden

...t, including pretty ones. try_files $uri $uri/ /index.php?$query_string; } # Remove trailing slash to please routing system. if (!-d $request_filename) { rewrite ^/(.+)/$ /$1 permanent; } # pass the PHP scripts to FastCGI server listening on 127.0.0.1:...
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GitHub Windows client behind proxy

...figuration() { WebProxy defaultProxy = WebProxy.GetDefaultProxy(); string str = defaultProxy.Address != (Uri)null ? defaultProxy.Address.ToString() : "(None)"; StartupLogger.log.Info((IFormatProvider)CultureInfo.InvariantCulture, "Proxy information: {0}", str); try { if (...