I do a two-minute dead cycle (I will jump out in more than two minutes) and add usleep (500000) to the loop; after that, I will get stuck, and the slow log will be recorded; after I get rid of it, I will be fine. Do you want to know why? this is a slo...
A company had no idea after thinking about the interview questions for half an hour. $arr = [ [4, 5, 9, 4, 1], [11, 14, 9, 6, 20], [21, 44, 90, 16, 21], [16, 34, 99, 600, 230], [121, 18, 89, 60, 33] ] the array $arr [0] [0] is th...
django objects.bulk_create () imports excel data in batches, which can be successfully imported if the data format is correct, but if the data format is incorrectly filled in, the import will fail. I want to know how to get the exception caused by which ...
how to make es6 write without error or underscore Thank you < H1 > Thank you < H1 > < H2 > node, vsc < H2 > ...
is there any other way to change the background image to gif? how to dynamically modify the current page dot with js and add the svg tag ...