init.el

;;; ELPA
(require 'package)

(package-initialize)

(setq package-archives '(("ELPA" . "http://tromey.com/elpa/")
                         ("gnu" . "http://elpa.gnu.org/packages/")
                         ("marmalade" . "http://marmalade-repo.org/packages/")
                         ("melpa" . "http://melpa.org/packages/")))

(when (not package-archive-contents)
  (package-refresh-contents))

(setq packages '(company ;; autocomplete
                 flycheck ;; syntax checking
                 ))

(dolist (package packages)
  (when (not (package-installed-p package))
    (package-install package)))

;;; company
(require 'company)

(setq company-minimum-prefix-length 1)

(add-hook 'prog-mode-hook 'company-mode)
(remove-hook 'org-mode-hook 'company-mode)

;;; flycheck
(require 'flycheck)

(setq flycheck-idle-change-delay 2.0)
(setq-default flycheck-disabled-checkers '(emacs-lisp-checkdoc))

(add-hook 'prog-mode-hook 'flycheck-mode)