3
votes
1answer
165 views

Should I retry a manual refresh when network is available?

I have a mobile app that automatically downloads user content from the Internet according to a schedule. Sometimes it might miss a scheduled update because the device wasn't connected to the Internet ...
21
votes
8answers
5k views

How to tell the user his login credentials are incorrect?

When a user has entered incorrect details into a login form, is it better to tell them: The username or password you have entered is invalid. or The user name you have entered is invalid (for ...