emacs

sudo apt-get install cscope

;ace-jump-mode

(autoload

  'ace-jump-mode
  "ace-jump-mode" t)
(eval-after-load "ace-jump-mode"
  '(ace-jump-mode-enable-mark-sync))

(define-key global-map (kbd "C-c SPC") 'ace-jump-mode)
(define-key global-map (kbd "C-x SPC") 'ace-jump-mode-pop-mark)
;switch-window