Ali

i want get size a number in c++ how do it? an integer number

hi dears i want to block root access in ubuntu server edited ssh_cofig file but not work how do it?

hi i'm use node.js and express when upload file happen this error (on debian 10) Error: EACCES: permission denied, open tempfile how solve it?

hi dears in node app how can save images in a host outside main server? app created by express.js

hi dears for install ubuntu 20.4 on a 120GB HDD What partitions must I create?

I want to change the desktop a bit What tools can I use?

hi dears i want learn nginx do you know a good course for nginx?

hi dears how can i set robots.txt in nginx?

thanks i'm beginner in mongoDB, $lookup works like join in sql?

hi dears how can i join two collocations in mongoose?

in mongoos can use lookup?