+** Export PDF
+
+Install MacTex-basic and some tex packages
+
+#+BEGIN_SRC bash
+
+ sudo tlmgr update --self
+
+ sudo tlmgr install titlesec framed threeparttable wrapfig multirow enumitem bbding titling tabu mdframed tcolorbox textpos import varwidth needspace tocloft ntheorem environ trimspaces collection-fontsrecommended capt-of
+
+#+END_SRC
+
+#+BEGIN_SRC emacs-lisp :tangle yes :results silent
+ ;; ;; allow for export=>beamer by placing
+
+ ;; http://emacs-fu.blogspot.com/2011/04/nice-looking-pdfs-with-org-mode-and.html
+ ;; #+LaTeX_CLASS: beamer in org files
+ (unless (boundp 'org-export-latex-classes)
+ (setq org-export-latex-classes nil))
+ (add-to-list 'org-export-latex-classes
+ ;; beamer class, for presentations
+ '("beamer"
+ "\\documentclass[11pt]{beamer}\n
+ \\mode<{{{beamermode}}}>\n
+ \\usetheme{{{{beamertheme}}}}\n
+ \\usecolortheme{{{{beamercolortheme}}}}\n
+ \\beamertemplateballitem\n
+ \\setbeameroption{show notes}
+ \\usepackage[utf8]{inputenc}\n
+ \\usepackage[T1]{fontenc}\n
+ \\usepackage{hyperref}\n
+ \\usepackage{color}
+ \\usepackage{listings}
+ \\lstset{numbers=none,language=[ISO]C++,tabsize=4,
+ frame=single,
+ basicstyle=\\small,
+ showspaces=false,showstringspaces=false,
+ showtabs=false,
+ keywordstyle=\\color{blue}\\bfseries,
+ commentstyle=\\color{red},
+ }\n
+ \\usepackage{verbatim}\n
+ \\institute{{{{beamerinstitute}}}}\n
+ \\subject{{{{beamersubject}}}}\n"
+
+ ("\\section{%s}" . "\\section*{%s}")
+
+ ("\\begin{frame}[fragile]\\frametitle{%s}"
+ "\\end{frame}"
+ "\\begin{frame}[fragile]\\frametitle{%s}"
+ "\\end{frame}")))
+
+ ;; letter class, for formal letters
+
+ (add-to-list 'org-export-latex-classes
+
+ '("letter"
+ "\\documentclass[11pt]{letter}\n
+ \\usepackage[utf8]{inputenc}\n
+ \\usepackage[T1]{fontenc}\n
+ \\usepackage{color}"
+
+ ("\\section{%s}" . "\\section*{%s}")
+ ("\\subsection{%s}" . "\\subsection*{%s}")
+ ("\\subsubsection{%s}" . "\\subsubsection*{%s}")
+ ("\\paragraph{%s}" . "\\paragraph*{%s}")
+ ("\\subparagraph{%s}" . "\\subparagraph*{%s}")))
+
+
+ (require 'ox-md)
+ (require 'ox-beamer)
+
+ (setq org-latex-pdf-process
+ '("pdflatex -shell-escape -interaction nonstopmode -output-directory %o %f"
+ "pdflatex -shell-escape -interaction nonstopmode -output-directory %o %f"
+ "pdflatex -shell-escape -interaction nonstopmode -output-directory %o %f"))
+
+ (setq TeX-parse-self t)
+
+ (setq TeX-PDF-mode t)
+ (add-hook 'LaTeX-mode-hook
+ (lambda ()
+ (LaTeX-math-mode)
+ (setq TeX-master t)))
+
+#+END_SRC
+* 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"))
+
+ (icomplete-mode t)
+
+#+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 :results 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 :results silent
+
+ (use-package smex
+ :ensure t
+ :init (smex-initialize)
+ :bind
+ ("M-x" . smex)
+ ("M-X" . smex-major-mode-commands))
+
+#+END_SRC
+
+** Ido-ubiquitous
+
+Use [[https://github.com/DarwinAwardWinner/ido-ubiquitous][ido-ubiquitous]] for ido everywhere. It makes =describe-function= can also use ido
+
+#+BEGIN_SRC emacs-lisp :tangle yes :results silent
+
+ (use-package ido-ubiquitous
+ :ensure t
+ :init
+ (setq magit-completing-read-function 'magit-ido-completing-read)
+ (setq gnus-completing-read-function 'gnus-ido-completing-read)
+ :config
+ (ido-ubiquitous-mode 1))
+
+#+END_SRC
+
+** Ido-exit-target
+
+[[https://github.com/waymondo/ido-exit-target][ido-exit-target]] let you open file/buffer on =other-windows= when call =ido-switch-buffer=
+
+#+BEGIN_SRC emacs-lisp :tangle yes :results silent
+
+ (use-package ido-exit-target
+ :ensure t
+ :init
+ (define-key ido-common-completion-map (kbd "C-j") #'ido-exit-target-other-window))
+
+#+END_SRC
+
+* Key bindings
+
+** Remove prefix =ESC=, refer [[http://emacs.stackexchange.com/questions/14755/how-to-remove-bindings-to-the-esc-prefix-key][here]]
+
+#+BEGIN_SRC emacs-lisp :tangle yes :results silent
+
+ ;; (define-key key-translation-map (kbd "ESC") (kbd "C-g"))
+
+#+END_SRC
+
+** Esc on Minibuffer
+
+Use =ESC= to exit minibuffer. Also I map =Super-h= the same as =C-g=
+
+#+BEGIN_SRC emacs-lisp :tangle yes :results silent
+
+ (define-key minibuffer-local-map [escape] 'keyboard-escape-quit)
+ (define-key minibuffer-local-map [escape] 'keyboard-escape-quit)
+ (define-key minibuffer-local-ns-map [escape] 'keyboard-escape-quit)
+ (define-key minibuffer-local-isearch-map [escape] 'keyboard-escape-quit)
+ (define-key minibuffer-local-completion-map [escape] 'keyboard-escape-quit)
+ (define-key minibuffer-local-must-match-map [escape] 'keyboard-escape-quit)
+ (define-key minibuffer-local-must-match-filename-map [escape] 'keyboard-escape-quit)
+ (define-key minibuffer-local-filename-completion-map [escape] 'keyboard-escape-quit)
+ (define-key minibuffer-local-filename-must-match-map [escape] 'keyboard-escape-quit)
+
+ ;; Also map s-h same as C-g
+ (define-key minibuffer-local-map (kbd "s-h") 'keyboard-escape-quit)
+
+#+END_SRC
+
+
+** =Super= bindings for file, buffer and windows
+
+Some global bindings on =Super=, on Mac, it is =Command=
+
+#+BEGIN_SRC emacs-lisp :tangle yes :results silent
+
+ (global-set-key (kbd "s-h") 'keyboard-quit)
+ (global-set-key (kbd "s-j") 'ido-switch-buffer)
+ ;; s-k --> kill-this-buffer
+ (global-set-key (kbd "s-k") (lambda ()
+ (interactive)
+ (if (> (length (window-list)) 1)
+ (delete-window)
+ (message "Only one Windows now!"))))
+ ;; s-l --> goto-line
+ ;; s-; -->
+ ;; s-' --> 'next-multiframe-window
+ (global-set-key (kbd "<s-return>") 'toggle-frame-fullscreen)
+
+ ;; (global-set-key (kbd "s-y") 'projectile-find-file)
+ (global-set-key (kbd "s-f") 'projectile-find-file)
+ (global-set-key (kbd "s-[") 'next-buffer)
+ (global-set-key (kbd "s-]") 'previous-buffer)
+
+ (global-set-key (kbd "s-`") 'mode-line-other-buffer)
+
+
+
+ ;; someothers default mapping on super (command) key
+ ;; s-s save-buffer
+ ;; s-k kill-this-buffer
+
+
+ ;; s-h --> ns-do-hide-emacs
+ ;; s-j --> ido-switch-buffer +
+ ;; s-k --> kill-this-buffer
+ ;; s-l --> goto-line
+ ;; s-; --> undefined
+ ;; s-' --> next-multiframe-window
+ ;; s-ret --> toggle-frame-fullscreen +
+
+ ;; s-y --> ns-paste-secondary
+ ;; s-u --> revert-buffer
+ ;; s-i --> undefined - but used for iterm globally
+ ;; s-o --> used for emacs globally
+ ;; s-p --> projectile-persp-switch-project +
+ ;; s-[ --> next-buffer +
+ ;; s-] --> previous-buffer +
+
+ ;; s-0 --> undefined
+ ;; s-9 --> undefined
+ ;; s-8 --> undefined
+ ;; s-7 --> undefined
+ ;; s-6 --> undefined
+ ;; s-- --> center-line
+ ;; s-= --> undefined
+
+ ;; s-n --> make-frame
+ ;; s-m --> iconify-frame
+ ;; s-b --> undefined
+ ;; s-, --> customize
+ ;; s-. --> undefined
+ ;; s-/ --> undefined
+
+ ;; s-g --> isearch-repeat-forward
+ ;; s-f --> projectile-find-file +
+ ;; s-d --> isearch-repeat-background
+ ;; s-s --> save-buffer
+ ;; s-a --> make-whole-buffer
+
+ ;; s-b --> undefined
+ ;; s-v --> yank
+ ;; s-c --> ns-copy-including-secondary
+
+ ;; s-t --> ns-popup-font-panel
+ ;; s-r --> undefined
+ ;; s-e --> isearch-yanqk-kill
+ ;; s-w --> delete-frame
+ ;; s-q --> same-buffers-kill-emacs
+
+ ;; s-` --> other-frame
+#+END_SRC
+
+** =M-s= bindings for searching
+
+I use the prefix =M-s= for searching in buffers
+
+#+BEGIN_SRC emacs-lisp :tangle yes :results silent
+
+ (defun pl-make-keymap (key bindings)
+ (setq keymap (make-sparse-keymap))
+ (dolist (binding bindings)
+ (define-key keymap (car binding) (cdr binding)))
+ (global-set-key key keymap))
+
+ (global-set-key (kbd "M-s M-s") 'isearch-forward-regexp)
+ (global-set-key (kbd "M-s M-r") 'isearch-backward-regexp)
+
+ (define-key isearch-mode-map "\M-s" 'isearch-repeat-forward)
+ (define-key isearch-mode-map "\M-r" 'isearch-repeat-backward)
+
+ ;; (global-set-key (kbd "M-s M-r") 'isearch-backward-regexp)
+
+#+END_SRC
+
+
+
+* Misc Settings
+
+
+** [[https://github.com/abo-abo/hydra][Hydra]]
+
+#+BEGIN_SRC emacs-lisp :tangle yes :results silent
+
+ (use-package hydra
+ :ensure t)
+
+#+END_SRC
+
+*** Font Zoom
+
+#+BEGIN_SRC emacs-lisp :tangle yes :results silent
+
+ (defhydra sd/font-zoom (global-map "<f2>")
+ "zoom"
+ ("g" text-scale-increase "in")
+ ("l" text-scale-decrease "out"))
+
+#+END_SRC
+
+*** Windmove Splitter
+
+Refer [[https://github.com/abo-abo/hydra/blob/master/hydra-examples.el][hydra-example]], to enlarge or shrink the windows splitter
+
+#+BEGIN_SRC emacs-lisp :tangle yes :results silent
+
+ (defun hydra-move-splitter-left (arg)
+ "Move window splitter left."
+ (interactive "p")
+ (if (let ((windmove-wrap-around))
+ (windmove-find-other-window 'right))
+ (shrink-window-horizontally arg)
+ (enlarge-window-horizontally arg)))
+
+ (defun hydra-move-splitter-right (arg)
+ "Move window splitter right."
+ (interactive "p")
+ (if (let ((windmove-wrap-around))
+ (windmove-find-other-window 'right))
+ (enlarge-window-horizontally arg)
+ (shrink-window-horizontally arg)))
+
+ (defun hydra-move-splitter-up (arg)
+ "Move window splitter up."
+ (interactive "p")
+ (if (let ((windmove-wrap-around))
+ (windmove-find-other-window 'up))
+ (enlarge-window arg)
+ (shrink-window arg)))
+
+ (defun hydra-move-splitter-down (arg)
+ "Move window splitter down."
+ (interactive "p")
+ (if (let ((windmove-wrap-around))
+ (windmove-find-other-window 'up))
+ (shrink-window arg)
+ (enlarge-window arg)))
+
+#+END_SRC
+
+*** hydra-window
+
+#+BEGIN_SRC emacs-lisp :tangle yes :results silent
+
+ (winner-mode 1)
+
+ (defhydra sd/hydra-window (:color red :columns nil)
+ "window"
+ ("h" windmove-left nil)
+ ("j" windmove-down nil)
+ ("k" windmove-up nil)
+ ("l" windmove-right nil)
+ ("H" hydra-move-splitter-left nil)
+ ("J" hydra-move-splitter-down nil)
+ ("K" hydra-move-splitter-up nil)
+ ("L" hydra-move-splitter-right nil)
+ ("v" (lambda ()
+ (interactive)
+ (split-window-right)
+ (windmove-right))
+ "vert")
+ ("x" (lambda ()
+ (interactive)
+ (split-window-below)
+ (windmove-down))
+ "horz")
+ ;; ("o" delete-other-windows "one" :exit t)
+ ;; Todo define o to triggle delete others windows and restore windows layout
+ ("o" triggle-windows-max-size "maximize" :exit t)
+ ("a" ace-window "ace")
+ ("s" ace-swap-window "swap")
+ ("d" ace-delete-window "ace-one" :exit t)
+ ("i" ace-maximize-window "ace-one" :exit t)
+ ("b" ido-switch-buffer "buf")
+ ("m" headlong-bookmark-jump "bmk")
+ ("q" nil "cancel")
+ ("u" (progn (winner-undo) (setq this-command 'winner-undo)) "undo")
+ ("r" (progn (winner-redo) (setq this-command 'winner-redo)) "redo")
+ ("f" nil))
+
+ (global-unset-key (kbd "M-o"))
+ (global-set-key (kbd "M-o") 'sd/hydra-window/body)
+
+ (defun triggle-windows-max-size ()
+ (interactive)
+ (if (> (length (window-list)) 1)
+ (delete-other-windows)
+ (winner-undo)))
+
+#+END_SRC
+
+** 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
+
+** Emux
+
+[[https://github.com/re5et/emux][emux]] is
+
+#+BEGIN_SRC emacs-lisp :tangle yes :results silent
+
+ (el-get-bundle re5et/emux)
+
+#+END_SRC
+
+** Smart Parens
+
+#+BEGIN_SRC emacs-lisp :tangle yes :results silent
+
+ (use-package smartparens
+ :ensure t
+ :config
+ (progn
+ (require 'smartparens-config)
+ (add-hook 'prog-mode-hook 'smartparens-mode)))
+
+#+END_SRC
+
+** Ace-Windows
+
+[[https://github.com/abo-abo/ace-window][ace-window]]
+
+#+BEGIN_SRC emacs-lisp :tangle yes :results silent
+
+ (use-package ace-window
+ :ensure t
+ :defer t
+ ; :init
+ ; (global-set-key (kbd "M-o") 'ace-window)
+ :config
+ (setq aw-keys '(?a ?s ?d ?f ?j ?k ?l)))
+
+#+END_SRC
+
+** Projectile
+
+#+BEGIN_SRC emacs-lisp :tangle yes :results silent
+
+ (use-package projectile
+ :ensure t
+ :init
+ (setq projectile-enable-caching t)
+ :config
+ (projectile-global-mode t))
+
+ (use-package persp-projectile
+ :ensure t
+ :config
+ (persp-mode)
+ :bind
+ (:map projectile-mode-map
+ ("s-p" . projectile-persp-switch-project)))
+
+ ;; projectile-find-file
+ ;; projectile-switch-buffer
+ ;; projectile-find-file-other-window
+#+END_SRC
+
+** Which key
+
+[[https://github.com/justbur/emacs-which-key][which-key]] show the key bindings
+
+#+BEGIN_SRC emacs-lisp :tangle yes :results silent
+
+ (use-package which-key
+ :ensure t
+ :config
+ (which-key-mode))
+
+#+END_SRC
+
+** Emms
+
+We can use [[https://www.gnu.org/software/emms/quickstart.html][Emms]] for multimedia in Emacs
+
+#+BEGIN_SRC emacs-lisp :tangle yes :results silent
+
+ (use-package emms
+ :ensure t
+ :init
+ (setq emms-source-file-default-directory "~/Music/emms/")
+ :config
+ (emms-standard)
+ (emms-default-players)
+ (define-emms-simple-player mplayer '(file url)
+ (regexp-opt '(".ogg" ".mp3" ".mgp" ".wav" ".wmv" ".wma" ".ape"
+ ".mov" ".avi" ".ogm" ".asf" ".mkv" ".divx" ".mpeg"
+ "http://" "mms://" ".rm" ".rmvb" ".mp4" ".flac" ".vob"
+ ".m4a" ".flv" ".ogv" ".pls"))
+ "mplayer" "-slave" "-quiet" "-really-quiet" "-fullscreen")
+ (emms-history-load))
+
+#+END_SRC
+
+** GnoGo
+
+Play Go in Emacs, gnugo xpm refert [[https://github.com/okanotor/dotemacs/blob/f95b774cb292d1169748bc0a62ba647bbd8c0652/etc/my-inits/my-inits-gnugo.el][to here]]. start at image display mode and grid mode
+
+#+BEGIN_SRC emacs-lisp :tangle yes :results silent
+
+ (use-package gnugo
+ :ensure t
+ :defer t
+ :init
+ (require 'gnugo-imgen)
+ (setq gnugo-xpms 'gnugo-imgen-create-xpms)
+ (add-hook 'gnugo-start-game-hook '(lambda ()
+ (gnugo-image-display-mode)
+ (gnugo-grid-mode)))
+ :config
+ (add-to-list 'gnugo-option-history (format "--boardsize 19 --color black --level 1")))
+
+#+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
+
+**** Lispy Mode
+
+In Lisp Mode, =M-o= is defined, but I use this for global hydra window. So here disable this key
+bindings in =lispy-mode-map= after loaded. see [[http://stackoverflow.com/questions/298048/how-to-handle-conflicting-keybindings][here]]
+
+#+BEGIN_SRC emacs-lisp :tangle yes :results silent
+
+ (use-package lispy
+ :ensure t
+ :init
+ (eval-after-load 'lispy
+ '(progn
+ (define-key lispy-mode-map (kbd "M-o") nil)))
+ :config
+ (add-hook 'emacs-lisp-mode-hook (lambda () (lispy-mode 1))))
+
+#+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)
+
+ ;(setq cperl-hairy t) ;; Turns on most of the CPerlMode options
+ (setq cperl-auto-newline t)
+ (setq cperl-highlight-variables-indiscriminately t)
+ ;(setq cperl-indent-level 4)
+ ;(setq cperl-continued-statement-offset 4)
+ (setq cperl-close-paren-offset -4)
+ (setq cperl-indent-parents-as-block t)
+ (setq cperl-tab-always-indent t)
+ ;(setq cperl-brace-offset 0)
+
+ (add-hook 'cperl-mode-hook
+ '(lambda ()
+ (cperl-set-style "C++")))
+
+ ;(require 'template)
+ ;(template-initialize)
+ ;(require 'perlnow)
+
+#+END_SRC
+
+- auto insert
+- run script
+
+Change the compile-command to set the default command run when call =compile=
+Mapping =s-r= (on Mac, it's =Command + R= to run the script. Here =current-prefix-arg= is set
+to call =compilation= interactively.
+
+#+BEGIN_SRC emacs-lisp :tangle yes :results silent
+
+ (defun my-perl-hook ()
+ (progn
+ (setq-local compilation-read-command nil)
+ (set (make-local-variable 'compile-command)
+ (concat "/usr/bin/perl "
+ (if buffer-file-name
+ (shell-quote-argument buffer-file-name))))
+ (local-set-key (kbd "s-r")
+ (lambda ()
+ (interactive)
+ ; (setq current-prefix-arg '(4)) ; C-u
+ (call-interactively 'compile)))))
+
+ (add-hook 'cperl-mode-hook 'my-perl-hook)
+
+
+#+END_SRC
+
+*** C & C++
+
+#+BEGIN_SRC emacs-lisp :tangle yes :results silent
+
+ (setq c-default-style "stroustrup"
+ c-basic-offset 4)
+
+#+END_SRC
+
+** Compile
+
+Set the environments vairables in compilation mode
+
+#+BEGIN_SRC emacs-lisp :tangle yes :results silent
+
+ (use-package compile
+ :commands compile
+ :config
+ (setq compilation-environment (cons "LC_ALL=C" compilation-environment)))
+
+#+END_SRC
+
+** Auto-Insert
+
+Enable auto-insert mode
+
+#+BEGIN_SRC emacs-lisp :tangle yes :results silent
+
+ (auto-insert-mode t)
+ (setq auto-insert-query nil)
+
+#+END_SRC
+
+*** C++ Auto Insert
+
+#+BEGIN_SRC emacs-lisp :tangle yes :results silent
+
+ (eval-after-load 'autoinsert
+ '(define-auto-insert '("\\.cpp\\'" . "C++ skeleton")
+ '(
+ "Short description:"
+ "/*"
+ "\n * " (file-name-nondirectory (buffer-file-name))
+ "\n */" > \n \n
+ "#include <iostream>" \n
+ "#include \""
+ (file-name-sans-extension
+ (file-name-nondirectory (buffer-file-name)))
+ ".hpp\"" \n \n
+ "using namespace std;" \n \n
+ "int main ()"
+ "\n{" \n
+ > _ \n
+ "return 1;"
+ "\n}" > \n
+ )))
+
+ (eval-after-load 'autoinsert
+ '(define-auto-insert '("\\.c\\'" . "C skeleton")
+ '(
+ "Short description:"
+ "/*\n"
+ " * " (file-name-nondirectory (buffer-file-name)) "\n"
+ " */" > \n \n
+ "#include <stdio.h>" \n
+ "#include \""
+ (file-name-sans-extension
+ (file-name-nondirectory (buffer-file-name)))
+ ".h\"" \n \n
+ "int main ()\n"
+ "{" \n
+ > _ \n
+ "return 1;\n"
+ "}" > \n
+ )))
+
+#+END_SRC
+
+*** Perl Auto Insert
+
+Refer [[https://www.emacswiki.org/emacs/AutoInsertMode][AutoInsertMode]] Wiki
+
+#+BEGIN_SRC emacs-lisp :tangle yes :results silent
+
+ (eval-after-load 'autoinsert
+ '(define-auto-insert '("\\.pl\\'" . "Perl skeleton")
+ '(
+ "Description: "
+ "#!/usr/bin/perl -w" \n
+ \n
+ "use strict;" \n \n
+ )))
+
+#+END_SRC
+
+** Completion
+
+company mode
+
+#+BEGIN_SRC emacs-lisp :tangle yes :results silent
+
+ (use-package company
+ :ensure t
+ :diminish company-mode
+ :init (setq company-idle-delay 0.1)
+ :config
+ (global-company-mode))
+
+#+END_SRC
+
+* Todo
+
+- change M-o to trigger to delete other windows and restore previous config
+-