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. ...
in kill topology, the supervisor on windows cannot stop worker, and then supervisor stops itself, as shown in figure ...
error message if Webpack 4 + eslint-loader is configured correctly and there is no error message on the terminal or console, can I share the relevant code? ...
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Select the input plug-in, and then select the text parameters, as shown in the following figure ...
novice, 1. My question after ubuntu installs apache2,php7.0,mysql and phpmyadmin and then accesses from the outside, the static part of the page can be displayed, but the dynamic part cannot be displayed (using phpstudy to display the dynamic part wh...