Preventing Vim from automatically inserting line breaks

I recently had a very frustrating issue with Vim where it was inserting a line break automatically for me whenever a line exceeded the 80 character mark.

After some searching around, I realized that I had textwidth (tw) set to 79 in my _vimrc file. From the documentation:

textwidth.
Maximum width of text that is being inserted. A longer line will be broken after white space to get this width. A zero value disables this.

So as you can see from the documentation, fixing it was very trivial: set tw = 0