3 ## some notes for efficiency
5 * Effectiveness is All about Managing Your Time, Energy, and Attention
6 <http://www.productiveflourishing.com/effectiveness-is-all-about-managing-your-time-energy-and-attention/>
8 * Manage Your Energy, Not your time
9 <https://hbr.org/2007/10/manage-your-energy-not-your-time>
11 * 尽量脚本话工作,不要重复手动操作,vim, emacs, perl
15 * map backspace to up directory