is advertisement for our code good ? because sometimes programmers making issue for it .

Answer 1

If you can advertise in a group or not will depend on the group.

Unsolicited advertising in direct messages to single persons, or tagging a bunch of people in comments may be problematic.

Answer 2

You're not allowed to advertise in Q&A (except a few designated threads), but you can advertise your code in activity feed.

Answer 3

HonFu okay

Answer 4

Yes I am asking about my code in groups