programming experiment

Should I reflect daily or hourly

This is a fun and quick Christmas project and a reflection on whether I overthink too much. Compound interest is the eighth wonder of the world. He who understands it, earns it … he who doesn’t … pays it. - Einstein Regardless whether Einstein actually said that, it is no doubt that even small incremental improvement makes a large difference in the long term. Here I decide to apply the model to personal growth.

The difference between `$PATH` and `echo $PATH`

TL;DR: $PATH will call the value stored in the environmental variable PATH as a command, but echo $PATH will print out the value stored in the variable PATH. How I found out: Recently I have been trying to integrate WSL with RStudio. One thing intrigues me is that the bash in Rmd has a different PATH with WSL. For example, one cannot run the software installed with conda directly from Rmd - the conda bin directory needs to be added into PATH (using export .