+** 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)))
+
+#+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
+-