+* Magit
+
+[[https://github.com/magit/magit][Magit]] is a very cool git interface on Emacs.
+
+#+BEGIN_SRC emacs-lisp :tangle yes :results silent
+
+ (use-package magit
+ :ensure t
+ :commands magit-status magit-blame)
+
+
+#+END_SRC
+
+* IDO & SMEX
+
+** IDO
+
+#+BEGIN_SRC emacs-lisp :tangle yes :results silent
+
+ (use-package ido
+ :ensure t
+ :init (setq ido-enable-flex-matching t
+ ido-ignore-extensions t
+ ido-use-virtual-buffers t
+ ido-everywhere t)
+ :config
+ (ido-mode 1)
+ (ido-everywhere 1)
+ (add-to-list 'completion-ignored-extensions ".pyc"))
+
+#+END_SRC
+
+** FLX
+
+#+BEGIN_SRC emacs-lisp :tangle yes :results silent
+
+ (use-package flx-ido
+ :ensure t
+ :init (setq ido-enable-flex-matching t
+ ido-use-faces nil)
+ :config (flx-ido-mode 1))
+
+#+END_SRC
+
+** IDO-vertically
+
+#+BEGIN_SRC emacs-lisp :tangle yes :result silent
+
+ (use-package ido-vertical-mode
+ :ensure t
+ :init
+ (setq ido-vertical-define-keys 'C-n-C-p-up-and-down)
+ :config
+ (ido-vertical-mode 1))
+
+#+END_SRC
+
+** SMEX
+
+#+BEGIN_SRC emacs-lisp :tangle yes :result silent
+
+ (use-package smex
+ :ensure t
+ :init (smex-initialize)
+ :bind
+ ("M-x" . smex)
+ ("M-X" . smex-major-mode-commands))
+
+#+END_SRC
+
+* Misc Settings
+
+** Line Number
+
+Enable linum mode on programming modes
+
+#+BEGIN_SRC emacs-lisp :tangle yes :results silent
+
+ (add-hook 'prog-mode-hook 'linum-mode)
+
+#+END_SRC
+
+Fix the font size of line number
+
+#+BEGIN_SRC emacs-lisp :tangle yes :results silent
+
+ (defun fix-linum-size ()
+ (interactive)
+ (set-face-attribute 'linum nil :height 110))
+
+ (add-hook 'linum-mode-hook 'fix-linum-size)
+
+#+END_SRC
+
+I like [[https://github.com/coldnew/linum-relative][linum-relative]], just like the =set relativenumber= on =vim=
+
+#+BEGIN_SRC emacs-lisp :tangle yes :results silent
+
+ (use-package linum-relative
+ :ensure t
+ :config
+ (defun linum-new-mode ()
+ "If line numbers aren't displayed, then display them.
+ Otherwise, toggle between absolute and relative numbers."
+ (interactive)
+ (if linum-mode
+ (linum-relative-toggle)
+ (linum-mode 1)))
+
+ :bind
+ ("A-k" . linum-new-mode))
+
+ ;; auto enable linum-new-mode in programming modes
+ (add-hook 'prog-mode-hook 'linum-relative-mode)
+
+#+END_SRC
+
+** Save File Position
+
+#+BEGIN_SRC emacs-lisp :tangle yes :results silent
+
+ (require 'saveplace)
+ (setq-default save-place t)
+ (setq save-place-forget-unreadable-files t)
+ (setq save-place-skip-check-regexp "\\`/\\(?:cdrom\\|floppy\\|mnt\\|/[0-9]\\|\\(?:[^@/:]*@\\)?[^@/:]*[^@/:.]:\\)")
+
+#+END_SRC
+
+** Multi-term
+
+#+BEGIN_SRC emacs-lisp :tangle yes :results silent
+
+ (use-package multi-term
+ :ensure t)
+
+#+END_SRC
+
+** ace-link
+
+[[https://github.com/abo-abo/ace-link][ace-link]] is a package written by [[https://github.com/abo-abo][Oleh Krehel]]. It is convenient to jump to link in help mode, info-mode, etc
+Type =o= to go to the link
+
+#+BEGIN_SRC emacs-lisp :tangle yes :results silent
+
+ (use-package ace-link
+ :ensure t
+ :init
+ (ace-link-setup-default))
+
+#+END_SRC
+
+* Programming Languages
+
+** Emacs Lisp
+
+#+BEGIN_SRC emacs-lisp :tangle yes :results silent
+
+ (use-package color-identifiers-mode
+ :ensure t
+ :init
+ (add-hook 'emacs-lisp-mode-hook 'color-identifiers-mode)
+
+ :diminish color-identifiers-mode)
+
+#+END_SRC
+
+** Perl
+
+[[https://www.emacswiki.org/emacs/CPerlMode][CPerl mode]] has more features than =PerlMode= for perl programming. Alias this to =CPerlMode=
+
+#+BEGIN_SRC emacs-lisp :tangle yes :results silent
+
+ (defalias 'perl-mode 'cperl-mode)
+
+#+END_SRC
+
+* Others
+
+** Shell pop mode
+
+** Smartparens mode
+
+***