< H2 > pol.xml < H2 > <build> <plugins> <plugin> <groupId>org.springframework.boot< groupId> <artifactId>spring-boot-maven-plugin< artifactId> <...
add the following two tables comment to record comments and comments CREATE TABLE `comment` ( `id` int(10) unsigned NOT NULL AUTO_INCREMENT, `comment` varchar(255) NOT NULL, PRIMARY KEY (`id`) ) the reply_to table records the relationship betw...
I built a socket server to receive data from the hardware. Process and pass in the database. I want to display data on the front end in real time through websocket. How to do it. how to send a command to websocket in socket, telling websocket to send...
cannot press enter when expect is running? script such as -sharp! usr bin expect set timeout 30 spawn bash centos7_client.sh expect { "sharon@192.168.27.156 s password:" {send "pwd r" ; exp_continue } } expe...
limit the scope of check-in. The principle is to calculate the linear distance between the mobile phone and the company within how many meters. or according to latitude and longitude, or whether the location address is the building of the company, and s...
now I want to connect to a Mac computer via Bluetooth with an iphone phone APP, click a button on the APP, or right-click, and the Mac computer mouse pointer will also respond to the click event 1. The question now is how to get the mouse object of the ...