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has not been actually developed yet, is the process like this the server socket, connected to the PC through Ip and port will get a client_id the PC side takes the client_id to request the server, and the server binds the obtained client_id with th...
want to achieve: the device connects to the server through tcp, and the server processes it in real time and then forwards the message to a web page in real time (you can use websocket), framework to use worker or gateway, to ask for advice ...
the pull-up loading feature is used with better-scroll for the first time. After the data is loaded with the rendering list, the list will automatically bounce back to the original position and will not stay in the loaded list position. The loaded data a...
for example, limit the number of callback lines in an event render div <div> { list.map(row=>{ 50 const result = xxxxx retrun <li>{result}< li> }) } < div> ...
1. If you want to analyze the reasons for canceling an order, some users will check the cancellation reason after canceling the order. The users who check the cancellation reason constitute a large sample. DataFrame, wants to randomly select 100 random s...
1. First of all, get the order list through the query, and then add the user name and user password for each order object through the for loop. When I console.log, the console has output, but when I, ctx.body = {data:orderList}, the result obtained asyn...
Table structure: "id":"xxxx" "xxx":"xxx", "catalogs" : [ { "catalog_number" : "4.1", "catalog_name" : "", ...
existing mode of operation: entry A, traditional JSP development, session mechanism H5 page, login is required to have token, and then request to take Token to get data question: suppose that entry A jumps into the H5 page, and H5 cannot request ...
on WeChat, long press the picture to save the picture if the implementation makes a button itself. Click to save this picture directly? ...
just want to change the background color of the pop-up layer. Some people say that open the console to check the pop-up style and then overwrite it in css, but change that mint-toast style doesn t work. The real style pops up that can t be seen at a...