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Regular expression that matches valid IPv6 addresses
I'm having trouble writing a regular expression that matches valid IPv6 addresses, including those in their compressed form (with :: or leading zeros omitted from each byte pair).
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How to sleep for five seconds in a batch file/cmd [duplicate]
Windows's Snipping tool can capture the screen, but sometimes I want to capture the screen after five seconds, such as taking an image being displayed by the webcam. (Run the script and smile at the camera, for example.)
...
StringUtils 字符串工具扩展：强大的文本处理工具集 · App Inventor 2 中文网
... IoT 参考文档 技术和其他指南 中文网原创 VIP 专享 App教程 入门必读 App上架指南 特色 AI 助手 · 一句话生成 App 鸿蒙 · 一套积木，多端原生打包！ 下载 AI2伴侣 · 安卓/鸿蒙/iO...
Setting up FTP on Amazon Cloud Server [closed]
...at you already have an EC2 instance created and have associated an Elastic IP Address to it.
Step #1: Install vsftpd
SSH to your EC2 server. Type:
> sudo yum install vsftpd
This should install vsftpd.
Step #2: Open up the FTP ports on your EC2 instance
Next, you'll need to open up the F...
How to test which port MySQL is running on and whether it can be connected to?
... I thought to be externally visible, it had to be the machine's own IP address and that 0.0.0.0 means the service is not available from anywhere. Do I have that wrong? I have a box running MySQL, the firewall has 3306 open from any IP address but MySQL is refusing the connection, I thought b...
What is a non-capturing group in regular expressions?
...1).
Let's try some substitutions now. Consider the following text:
Lorem ipsum dolor sit amet consectetuer feugiat fames malesuada pretium egestas.
Now, let's use this dumb regex over it:
\b(\S)(\S)(\S)(\S*)\b
This regex matches words with at least 3 characters, and uses groups to separate th...
Mysql adding user for remote access
...o connect remotely you have to have MySQL bind port 3306 to your machine's IP address in my.cnf. Then you have to have created the user in both localhost and '%' wildcard and grant permissions on all DB's as such . See below:
my.cnf (my.ini on windows)
#Replace xxx with your IP Address
bind-addre...
Awk学习笔记 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...本来使用。awk的处理文本和数据的方式是这样的，它逐行扫描文件，从第一行到最后一行，寻找匹配的特定模式的行，并在这些行上进行你想要的操作。如果没有指定处理动作，则把匹配的行显示到标准输出(屏幕)，如果没有指...
Linux日志管理Rsyslog入门 - C/C++ - 清泛网 - 专注IT技能提升
...ory来声明状态文件的保存位置，这个状态文件被用来记录扫描日志位置等信息，PersistStateInterval被用来控制状态文件的持久化频率，测试阶段，可以把它设置的小点儿，正式阶段，出于效率的考虑，可以把它调大点儿，但是相应...
Linux日志管理Rsyslog入门 - C/C++ - 清泛网 - 专注IT技能提升
...ory来声明状态文件的保存位置，这个状态文件被用来记录扫描日志位置等信息，PersistStateInterval被用来控制状态文件的持久化频率，测试阶段，可以把它设置的小点儿，正式阶段，出于效率的考虑，可以把它调大点儿，但是相应...