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...
<script> var model = avalon.define({ $id: myduplex , arr: [{"name":"a"}, {"name":"b"}, {"name":"c"}, {"name":"d"}] ...
what if the font line height is inconsistent with the browser performance in the design draft? < H2 > first try Photoshop CC 2018 < H2 > example: font Microsoft Yahi routine font-size:16px; line-height:24px; PSchrome : div30px chromeline-heig...
if you want to solve the problem, you can learn a lot about the defense against traffic explosion, simultaneous access and server attacks. its own station is apache, ubuntu, linode in other words, it is the back end of php, and the front end of js,htm...
problem description has written about simple crawlers. According to the web page opened by url , the content in the web page is the information to be crawled, which is easier to do. now the page defaults to no data or not the data you want, so you n...
as shown in the figure, there are four sort buttons in a table header, and the requirements are as follows: the first click on descending order, the second click on ascending order, and the third click on the default display (no sorting); I would li...