Working with submodules
Eventually, any interesting software project will come to depend on another project, library, or framework. Git provides submodules to help with this. Submodules allow you to include or embed one…
Joshua Wehner
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How to undo (almost) anything with Git
One of the most useful features of any version control system is the ability to “undo” your mistakes. In Git, “undo” can mean many slightly different things.