find . -type d -maxdepth 1 -execdir zip -r {} {} \;
  
    
      This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
      Learn more about bidirectional Unicode characters
    
  
  
    
  | sudo add-apt-repository ppa:some/ppa | |
| In Debian, elementary OS and sometimes on Ubuntu, you’ll see the error that add-apt-repository command is missing. | |
| sudo: add-apt-repository: command not found | |
| sudo apt-get install software-properties-common | |
| sudo apt-get update | 
https://www.dyclassroom.com/howto-mac/how-to-verify-checksum-on-a-mac-md5-sha1-sha256-etc
In order to find the MD5 checksum value of a file using the following command in the terminal.
$ md5 /path/to/file
  
    
      This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
      Learn more about bidirectional Unicode characters
    
  
  
    
  | Rust Webassembly Build Error | |
| Issue: | |
| git:(master) ✗ rustc --version | |
| rustc 1.36.0 (a53f9df32 2019-07-03) | |
| git:(master) ✗ wasm-pack build | |
| [INFO]: 🎯 Checking for the Wasm target... | |
| [INFO]: 🌀 Compiling to Wasm... | |
| Compiling proc-macro2 v1.0.7 |