详解数据分析中的方差，标准差和异常值的使用

Redo Commits

• Undo all commits after [commit], and preserve changes locally:
  $ git reset [commit]

• Discard all history and changes back to the specified commit:
  $ git reset --hard [commit]

Save Fragments

• Temporarily stores all modified tracked files:
  $ git stash

• Retore the most recently stashed files:
  $ git stash pop

• List all stashed changesets:
  $ git stash list

• Discard the most recently stashed changeset:
  $ git stash drop

Synchronize Changes

• Download all history from the repostory bookmark:
  $ git fetch [bookmark]

• Combine bookmark’s branch into current branch:
  $ git merge [bookmark]/[branch]

• Upload all local branch commits to Github:
  $ git push [alias] [branch]

• Downloads bookmark history and incorporates changes:
  $ git pull

• Copy a commit and create a new commit on the current branch with the same message and patch as another commit:
  $ git cherry-pick [commit]

• merge the version history of current branch onto another specified branch:
  $ git rebase [branch]

• merge the version history after specified commit of current branch onto another specified branch:
  $ git rebase --onto [branch] [commit]