The signing fingerprint you specified is already used by another Android OAuth2 client

This error occurs when there is an existing SIGNING CERTIFICATE FINGERPRINT (SHA1) on Google Developers linked to a different account. Solution is to delete the project that is using that SHA1 in console.developers.google.com for the old/incorrect project. You cannot change the SHA1 fingerprint once it is set. Remember that deleting the project takes 7 days … Read more

Getting Google+ profile picture url with user_id

Google had changed their policy so the old way for getting the Google profile image will not work now, which was https://plus.google.com/s2/photos/profile/(user_id)?sz=150 New Way for doing this is Request URL https://www.googleapis.com/plus/v1/people/115950284…320?fields=image&key={YOUR_API_KEY} That will give the Google profile image url in json format as given below Response : { “image”: { “url”: “https://lh3.googleusercontent.com/-OkM…AANA/ltpH4BFZ2as/photo.jpg?sz=50” } } More … Read more

Do you ever need to specify ‘javascript:’ in an onclick?

Some of the responses here claim that the “javascript:” prefix is a “leftover from the old days”, implying that it’s intentionally, specially handled by the browsers for backwards compatibility. Is there solid evidence that this is the case (has anyone checked source code)? <span onclick=”javascript:alert(42)”>Test</span> To me, this just reads as: javascript: alert(42); Meaning, that … Read more