what I do when I generate an order is: while ($row = mysqli....) { $id = substr(date( YmdHi , time()), -10); } because there will be dozens of orders in one second , but this will lead to the same order number . I have thought about using "uniqid "...
if the question starts on line 4 of the program, the for loop is followed by if judgment, and then name=self._nic_ovs_name_pattern.search (o) refers to the if conditional judgment returns true before the assignment operation is performed? Or is it execu...
can you explain how this code works? In particular, how are several return implemented? ...
encountered a strange problem procedure is simplified like this, first enter an integer n, then enter n integers into the array and then enter an integer m, and then enter m integers into the array is required to intersect, as a result, there is a p...
How does the code return only the result after the last asynchronous operation in the for loop is completed as shown in the figure? Please stop by and give me a hand. ...
problem description react if you dynamically load a custom the environmental background of the problems and what methods you have tried import { ChartLine, ChartBar } from ".. Tool"; const dashBoard = [ { ChartLine: { x: 420, ...
it was originally home, after I intercepted next ({path: home , query: {code: 0001 }}) and then click the browser to return home again....
when I was watching setting up a mail server , there was a sentence I couldn t understand: check whether swap has been started, and configure startup swap if not. I know there is a swap zone in the Linux server, but what does it mean to start swa...
foreground and background are placed on two servers the foreground uses a reverse proxy to request an interface on another server but 404 ask whether this is the front desk or the server ...
function getdate (int $timestamp = time () ): array {} write your own test, call this function with a timestamp and report an error, but there is this function in the project and there is a call to related codes Please paste the code text b...