give me an example. To implement a telephone charging system for top-up cards and secret recharge phone numbers, for example, there are 1 million phone charge cards and 1 million phone numbers in my table, and each phone number corresponds to a top-up c...
there are too few documents on the Internet, so let s ask the first question, Websocket Client of Python, how to subscribe to a specified channel? I can t find it all over Google. I see a lot of articles are written: ws.send (json.dumps ({ "event ...
the problem is difficult to describe. Let me give an example. For example, the following code is in the header of the page: <template> <div class="header"> ... < div> < template> <script> export default {...
how to jump to different links through the mobile phone system ...
question 1. For the layout of the following picture, first of all, the picture is uploaded by the user and needs to be displayed in a square. In the face of the variable proportion of the picture uploaded by the user, how will it be perfectly displayed ...
this is a function of asking and answering questions questions asked by users in Table A questions answered by users in Table B Table An is the only question corresponding to ID, Table B PID corresponds to Table An ID users answer which question PI...