# Just Facts

DANG Fan‘s Blog

## Compile UHD and GNU Radio

It took me almost two days to compile GNU Radio. Here are the problems I met.

## Use Node.js to Watch Directories

fs.watch and fs.watchFile can be used to watch file changes. However, there are some problems with them. Thus, we can find a lot of wrappers of these functions. Here I recommend Chokidar written by Paul Miller.