Double Postings in Your Stream - Solved [Tip of The Day]

The same post can be shown twice on our profile if we post the same article to some Google+ Community, it could make people annoy when openning our profile's post tab. We can solve it by unticked a setting in profile setting:

Show your Google+ communities posts on the Posts tab of your Google+ profile

Note that without ticking this, your post on community page will not show on your profile, so you might need to manage your post twice if you need it on your profile posts.