Press F1 when the completion popup is open or when the caret is inside the image path and see the image preview #WebStormTippic.twitter.com/htxAB5qzZI
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
> f1 is only avaliable for 'Context Help' That seems to be the reason. The action you need is called Quick Documentation. Do you use a non-default keymap?
Thanks for reply. I searched 'Quick Document' and find the key is Ctrl+Q and it works .By the way, my keymap is default not user-define.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.