On your own post you can delete any comment, but on others post you can only delete your comment only.
you can hold down on the comment then hit delete
no
The comment is posted immediately.
TO delete a comment on your post, or a comment you posted on someone else's post, you simply click the rmove button on the top right corner
Yse
you cannot delete a comment on a cnn blog
They will not receive a notification that the comment was deleted. However, if that person went back to the page the comment was posted on, it's possible they will notice the comment was deleted.
Go to the game you want to post a comment on, and then scroll down. If the game creator has enabled comments on his or her game, you will see a tab called 'Commentary' at the bottom of the page. Click on it. You should see a blue box with your character's picture next to it. Write your comment and then click ' Comment'. Your comment should be posted unless your last comment was posted quite recently (about 1 minute).
You can delete youtube comments by clicking remove next to your comment, but only on your own videos. You can delete coments on youtube if they're on your own videos by just pressing delete beside the comment but if its not on your video i think you just can report abuse or spam or whatever it is that you will like to remove.
there is normally a cross next to the comment, if u can't see it then put your mouse over the top right corner of the comment box and there should be a cross.
As long as the question that is being asked is still open/unresolved, you can remove your comment on Yahoo! Answers by clicking on the 'X' beside your comment.
To remove your posted answer, you can email the site and ask to have the information removed. You can also search for a "delete" button near your answer.