Stack Exchange network consists of 178 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.
Q&A for work
Connect and share knowledge within a single location that is structured and easy to search.
There is a bug in chat's upload feature ,If you had previously posted an image using upload and you open up the dialouge again without selecting a pic and press cancel it reposts the previous image without conformation
We have added a workaround for this Chrome (or possibly WebKit) bug; see Weird repost of last picture in chat.