Simon Huang

By default, git will use fast forward when merging a branch. The problem with fast forward is the branch information will be lost after deletion. However, if we specifically forbid the fast forward mode, a new commit will occur with the branch information.

This post is going to illustrate how to sync a fork of a repository to keep it up-to-date with the upstream repository.

Matrix factorization is a class of algorithms used for recommender systems in machine learning. Matrix factorization algorithms work by decomposing dimensionality. Commonly known matrix factorization algorithms are SVD and PCA.

We use .gitignore file to untrack certain folder and/or files to the remote repository. However sometimes you have some files already pushed to your remote repository. Now you want to only keep them locally, so here is how to remove them from the remote repository.