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Android emulator: How to monitor network traffic?
...o filter out solely emulator traffic, since it is coming from the same src IP.
Perhaps the best way would be to set up a very bare VMware environment and only run the emulator in there, at least that way there wouldn't be too much background traffic.
...
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).
...
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.)
...
使用App Inventor 2 控制物联网设备/低功耗蓝牙设备(BLE) · App Inventor 2 中文网
...允许用户将块连接在一起以为应用程序提供功能。 图 2 显示了一组连接块的示例，用于创建大声朗读消息的应用程序。
图 1：App Inventor 平台的屏幕截图，其中包含设计器视图（顶部）和块编辑器视图（底部）
图 2：用...
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...
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...
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...
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...
MFC 的SetWindowPos 用法 - C/C++ - 清泛网 - 专注C/C++及内核技术
...在列表的当前位置（忽略hWndInsertAfter）
SWP_SHOWWINDOW：显示窗口
这些参数可以使用Or运算组合，所以如果你不希望改变窗口位置和大小，你只需要给最后一个参数传递（SWP_NOMOVE Or SWP_NOSIZE）即可。如下:
SetWindowPos Me.hWnd, HWN...
bpftrace教程【官方】 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
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使用内核动态跟踪技术显示read()返回字节数的直方图。
kretprobe:vfs_read: 这里是kretprobe类型(动态跟踪内核函数返回值)的跟踪vfs_read系统调用探针。此外还有kprobe类型的探针用于跟踪内核函数调...