< H2 > listens to the scroll bar of a div in Vue (nav changes color when greater than 200, transparent when less than 200), and then doesn t work when it jumps to another route and comes back. The problem is that I also logged off monitoring when I left...
good evening, big gods. I have this need: the PHP server acts as a middleman to communicate between the mobile app end and the hardware device (roughly like this, some words may be unprofessional). In some cases, the app side and the hardware side take t...
sends a https request, sometimes it returns normal, sometimes it is abnormal. exception error: Curl error: SSL certificate problem: Couldn t understand the server certificate format find the code on the Internet, add two lines or so, how to solve...
for example, write a pop-up plug-in. After I send this package to npm, how can I get someone else to import my package and introduce my plug-in? what should I do? ...
the class library used by the development language: PHP,: PHPExcel purpose: one of the exported excel, columns does not want to be modified by the user. Action: the code $objPHPExcel- > getActiveSheet ()-> freezePane ( "D1 ") is used; result: it is no...