Take control of your development environment by using more of the keyboard and less of the mouse/trackpad. As you write your code, use (Mac and Sublime) keyboard commands/shortcuts to, well... kill it!

Mastering your text editor and Operating System (OS) will make you a more efficient and impressive developer.

Don't just read about these. If any of these are foreign / unfamiliar to you, be sure to practice them and make a mental note to use them when possible.