minimum size subarray sum.
#+begin_src python
  res = float('inf')
  for r in range(len(nums)):
      total += nums[r]
#+end_src

git merge-base curr_branch other_branch

git diff master...

=git log <branch> --not master= shows us the commits on =branch=, but not on master

#+begin_src python
  if res == float('inf'):
      return 0
  else:
      return res
#+end_src

#+begin_src python
  while total >= target:
      res = min(res, r-l+1)
      total -= nums[l]
      l+=1
#+end_src

=git checkout -- <file>=

discards working-tree changes to <file>, replacing it with the version from the index (staging area). if the file is not staged, this effectively means 'restore from head'.

Perils:
- can permanently lose local edits in your working directory.
  - does not create commit /safety net

safer, modern alternatives include: =git restore <file>= (restore working tree from index)
=git restore --source=HEAD <file>= (force restore from last commit.

Clique

=git diff master...branch=

#+begin_src python
  while r < len(range(nums)):
      res = min(res, r+l-1)
      total -= nums[l]
      l+=1
#+end_src


#+begin_src python

#+end_src