大约有 1,500 项符合查询结果(耗时:0.0120秒) [XML]

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httpd: Could not reliably determine the server's fully qualified domain name, using 127.0.0.1 for Se

...m Choose an FQDN and include it both in your /etc/hosts file on both the IPv4 and IPv6 addresses you are using (in your case, localhost or 127.0.0.1), and change your ServerName in your httpd configuration to match. /etc/hosts: 127.0.0.1 localhost.localdomain localhost host.server4-245.com ::...
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Using ping in c#

...ply reply = pinger.Send(nameOrAddress); pingable = reply.Status == IPStatus.Success; } catch (PingException) { // Discard PingExceptions and return false; } finally { if (pinger != null) { pinger.Dispose(); } } retu...
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Live-stream video from one android phone to another over WiFi

...sample code for the server: // this is your network socket ParcelFileDescriptor pfd = ParcelFileDescriptor.fromSocket(socket); mCamera = getCameraInstance(); mMediaRecorder = new MediaRecorder(); mCamera.unlock(); mMediaRecorder.setCamera(mCamera); mMediaRecorder.setAudioSource(MediaRecorder.AudioS...
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Simplest way to detect a mobile device in PHP

... Here is a source: Detect Mobile Browser Download PHP script Code: <?php $useragent=$_SERVER['HTTP_USER_AGENT']; if(preg_match('/(android|bb\d+|meego).+mobile|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge |maemo|midp|mmp|n...
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重构理论及实践——用工厂模式重构c++后台代码 - C/C++ - 清泛网 - 专注C/C...

...它也使软件的性能优化更容易。除了对性能有严格要求的实时系统,其他任何情况下”编写快速软件“的秘密就是:首先写出可调的软件,然后调整它以求获得足够速度。 这段摘自书中的言语多少有些暧昧。其实再大胆一些...
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java.net.UnknownHostException: Invalid hostname for server: local

...hostname "localhost" instead, or perhaps 127.0.0.1 or ::1 (the last one is IPv6). From the javadocs: Thrown to indicate that the IP address of a host could not be determined. 127.0.0.1or ::1 or "localhost" should always be the loopback interface, so if that doesn't work I'd be really surpri...
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社会化海量数据采集爬虫框架搭建 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术

...监控”。 那一般网站会有什么限制呢? 一定时间内单IP访问次数,没有哪个人会在一段持续时间内过快访问,除非是随意的点着玩,持续时间也不会太长。可以采用大量不规则代理IP来模拟。 一定时间内单账号访问次数,这...
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Best practices when running Node.js with port 80 (Ubuntu / Linode) [closed]

...cloud instances is I redirect port 80 to port 3000 with this command: sudo iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-port 3000 Then I launch my Node.js on port 3000. Requests to port 80 will get mapped to port 3000. You should also edit your /etc/rc.local file and add...
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Remote debugging with Android emulator

...to killall adb too on the server, because the emulator will not accept multiple connections and will be offline for the local machine. – Henrique de Sousa Mar 17 '16 at 10:36 ...
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Do HTML WebSockets maintain an open connection for each client? Does this scale?

... limitation that is usually encountered is the maximum number of file descriptors (sockets consume file descriptors) that can be open simultaneously. This often defaults to 1024 but can easily be configured higher. Ever tried configuring a web server to support tens of thousands of simultaneous AJA...