how to get code using commit id in git code example

Example 1: view git stash without applying

git stash show -p stash@{1}

Example 2: git create tag and push

$ git push origin v1.4
Counting objects: 14, done.
Delta compression using up to 8 threads.
Compressing objects: 100% (12/12), done.
Writing objects: 100% (14/14), 2.05 KiB | 0 bytes/s, done.
Total 14 (delta 3), reused 0 (delta 0)
To [email protected]:atlasbro/gittagdocs.git
* [new tag] v1.4 -> v1.4