has the following data table then output json data like this at once: $.rawCitiesData = [ { "name":"", "code":"id", "sub": [ { "name": "", &qu...
for example, I want to get the final parent of a little black pig with an id of 10. In this table, parent_id shows 9, but what I want to get is 5. Is there any way, or I want to judge whether a record belongs to the final parent ...
how to achieve second-level comments like a brief book? my existing fields are as follows: id pid id article_id id my original implementation is as follows ** * @param $data array * @param $pid string parent_id * @param $id...
draw a 1000-wide rectangle with svg. I want to get the relative position of the pointer in the rectangle when the mouse moves. How should I write it? for example, move horizontally to the middle, and x is 500. The code is as follows: http: jsrun.n...
package main import "fmt" func main() { m := make(map[string]int) m["k1"] = 7 m["k2"] = 13 fmt.Println("map:", m) } The program is simple, but there are many such warnings. How to deal with ...
such as the question, how did you get that? as follows: this.ctx.config unable to get content ...
httpd-vhosts.conf file Thank you! Help! ...
Business background write the front-end page, my steps are as follows: look at the structure of the blueprint refer to the design drawings and write html structure refer to html write scss structure request data fill content example ...