大约有 2,000 项符合查询结果（耗时：0.0208秒） [XML]
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.)
...
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...
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
...入特征数据值。 例如，通过电池电量服务和特性，可以监控所连接设备的电池电量。 由于 GATT 服务和特性的通用性，这种方法可以与大量 BLE 设备兼容。
测试
蓝牙 LE 组件开发完成后，下一步涉及组件测试。 这包括开发几个...
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...
com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure
...achable at all. This can have one or more of the following causes:
IP address or hostname in JDBC URL is wrong.
Hostname in JDBC URL is not recognized by local DNS server.
Port number is missing or wrong in JDBC URL.
DB server is down.
DB server doesn't accept TCP/IP connections.
D...
What can be the reasons of connection refused errors?
...king for firewalls and that the port is open, use telnet to connect to the ip/port to test connectivity. This removes any potential issues from your application.
share
|
improve this answer
...
HTTP test server accepting GET/POST requests
...ttps://httpbin.org/anything Returns most of the below.
https://httpbin.org/ip Returns Origin IP.
https://httpbin.org/user-agent Returns user-agent.
https://httpbin.org/headers Returns header dict.
https://httpbin.org/get Returns GET data.
https://httpbin.org/post Returns POST data.
https://httpbin.o...
Connect to a locally built Jekyll Server using mobile devices in the LAN
...e command line.
That will make Jekyll's HTTP server bind to all available IPs, rather than just to localhost.
You can also add this to your _config.yml with host: 0.0.0.0. GitHub will simply ignore this when you push, so it's safe to use if you don't mind having your work openly accessible on your...