i cloned a friend's repository from github and worked upon it. the repository has master and Dev branches. I'm pushing my changes to the Dev branch by
git push -u origin Dev
but keep getting error :
hint: Updates were rejected because the tip of your current branch is behind
hint: its remote counterpart. Integrate the remote changes (e.g.
hint: 'git pull ...') before pushing again.
hint: See the 'Note about fast-forwards' in 'git push --help' for details.