How can I reload .emacs after changing it?

Question

How can I get Emacs to reload all my definitions that I have updated in .emacs without restarting Emacs?

Answer 1

Keyboard shortcut:

(defun reload-init-file ()
  (interactive)
  (load-file user-init-file))

(global-set-key (kbd "C-c C-l") 'reload-init-file)    ; Reload .emacs file