GitHub helpfully prompts you to create a pull request after pushing a new branch. Unhelpfully, it always suggests PRing against master (or develop or whatever your main branch is). This Tampermonkey/ Greasemonkey script adds a "Compare & pull request (current branch)" button that will bring you to the PR creation page already comparing against the branch you're currently on.
Sometimes you may want to undo a whole commit with all changes. Instead of going through all the changes manually, you can simply tell git to revert a commit, which does not even have to be the last one. Reverting a commit means to create a new commit that undoes all changes that were made in the bad commit. Just like above, the bad commit remains there, but it no longer affects the the current master and any future commits on top of it.
git revert {commit_id}
Deleting the last commit is the easiest case. Let's say we have a remote origin with branch master that currently points to commit dd61ab32. We want to remove the top commit. Translated to git terminology, we want to force the master branch of the origin remote repository to the parent of dd61ab32:
An introduction to curl using GitHub's API.
Makes a basic GET request to the specifed URI
curl https://api.github.com/users/caspyin