shortcut to manually Reload file from Disk
Solution 1:
You can use the Shortcut Mapper under the Settings menu to assign a shortcut for this.
Solution 2:
- Go to Settings>Shortcut mapper.
- Select the first tab (main menu).
- Find the "reload from disk" option.
- Put an unused shortcut.
Solution 3:
While above answers are not wrong, It is already built-in : AltF then L
Or "File >> Reload from Disk".