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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...
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...
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...
top命令使用详解 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...使top没有任何延迟的进行刷新。如果调用程序有超级用户权限，那么top将以尽可能高的优先级运行。
S 指定累计模式。
C 显示总CPU状态，而不是单个的CPU。此选项仅对SMP系统有效。
s 使top命令在安全模式中运行。这将去除交互...
How do I update Ruby Gems from behind a Proxy (ISA-NTLM)
... Nov 15 '10 at 17:45
Peter MoresiPeter Moresi
2,32911 gold badge1212 silver badges44 bronze badges
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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...
difference between socket programming and Http programming
...sponse.
Stream receiveStream = response.GetResponseStream ();
// Pipes the stream to a higher level stream reader with the required encoding format.
StreamReader readStream = new StreamReader (receiveStream, Encoding.UTF8);
Console.WriteLine ("Response stream received.");
Cons...
Heroku + node.js error (Web process failed to bind to $PORT within 60 seconds of launch)
... I had same issue I could resolved issue with replace 'localhost' with IP which is '0.0.0.0'
– Damith Asanka
Jul 16 '17 at 18:54
3
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One line ftp server in python
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On most platforms twisted install is as easy as pip install -U twisted which is not directly mentioned on the linked site.
– Steve Barnes
Apr 7 '16 at 5:56
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