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Get original URL referer with PHP?
...
try this
(isset ($_SERVER['HTTP_CLIENT_IP']) ?
$_SERVER['HTTP_CLIENT_IP'] :
(isset ($_SERVER['HTTP_X_FORWARDED_FOR']) ?
$_SERVER['HTTP_X_FORWARDED_FOR'] :
$_SERVER['REMOTE_ADDR']
)
)
...
Is there a difference between “==” and “is”?
...ption, but that said == None works too...
– Jean-François Fabre♦
Jul 24 '19 at 6:20
@Jean-FrançoisFabre Another ex...
手机串口调试助手：USB OTG 收发文本与十六进制、定时发送（附 .aia 源码）...
...」，按钮变红色「关闭串口」。
接收：设备发来的数据实时出现在黑色接收区，右上角统计收发字节数。打开「HEX 显示」看原始字节，「暂停接收」时只计数不刷新。
中途验证：Arduino 里 Serial.println("hello")，接收区每次多一...
串口通信器使用指导 · App Inventor 2 中文网
...以看到，手机串口连接时，没有像 PC 那样指定“COM3”等端口，而是直接使用默认的 USB 设备：
先跑通原始字节回显
下载 SerialBinaryLab.aia。文件的自动检查结果见验证记录；USB 硬件回显需要按本节实测。
本...
Deploying my application at the root in Tomcat
...mits access to the admin web app folder to people from my own domain (fake IP address) and localhost when they use the default port 8080 and maintains the ability to dynamically deploy the war files through the web interface.
If you want to use this for multiple apps that are using different IP add...
Create empty file using python [duplicate]
...t's also unix-only. Won't work on windows
– Jean-François Fabre♦
Aug 13 '18 at 22:01
It is the only way if you abso...
云数据及Firebase组件简介 · App Inventor 2 中文网
...(GINGERBREAD_MR1) 或更高版本，无论是用于开发应用程序时的实时测试还是运行使用该组件的应用程序 (.apk)。
使用云数据
将 FirebaseDB 组件添加到项目中可以提供对多个块的访问。 要使应用程序在云中存储数据，...
Print list without brackets in a single row
...ted Oct 5 '18 at 14:51
Jean-François Fabre♦
122k1111 gold badges9797 silver badges156156 bronze badges
answered Jun 24 '12 at 14:01
...
Reliable method to get machine's MAC address in C#
...ies don't work across OS. Any ideas? I have been scraping the output of "ipconfig /all" but this is terribly unreliable as the output format differs on every machine.
...
Set EditText Digits Programmatically
...gramatically. Reason for this is because I want to reuse one layout in multiple situations as this digits is the only variable that changes constantly. Doing it in code is much more effective in my situation.
– ryandlf
Sep 4 '11 at 16:25
...