Enable and Disable Key Repeating in macOS

Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

Run the following command in terminal and then restart your Mac to enable key repeating by pressing and holding.
```
 defaults write -g ApplePressAndHoldEnabled -bool false
```
Run the following command in terminal and then restart your Mac to disable key repeating by presing and holding.
```
 defaults write -g ApplePressAndHoldEnabled -bool true
```