the initial idea is similar to RSSHub to parse the site into feed, but not hosted on the cloud, but distributed, running on each client, and different clients can also send feed to each other. RSS seems to have been abandoned, while atom seems to be...
in the Cartesian coordinate system, how to calculate the rotation angle of two lines connected by two points and 0 in Cartesian coordinate system, that is, how to realize this method , it returns a negative number counterclockwise, that is,-180 degrees ...
can you specify a ratio such as 5:3 and 7:4 for uploading pictures ...
<?php class read { private $data; function __construct() { if ($db = new DataBase()) { $this->data = $db->showData(); } } function __toString() { $out = ; while ($this-&g...
this component is a chart <script> import { Line } from vue-chartjs ; export default { extends: Line, mounted () { this.renderChart({ labels: [ January , February , March , April , May , June , J...
as shown in the picture, yellow is a large page, and red is a component that introduces (components), and wraps the red component with from tags. Now I want to use the button of the red component to trigger a yellow from submission event. Is that okay? ...