Notes on Emacs

• install all dependencies

sudo apt-get build-dep emacs24

• download source code from http://www.gnu.org/software/emacs/
• extract emacs-xx.x.tar.gz and install

tar -zxvf emacs-24.3.tar.gz
cd emacs-24.3
./configure
make
sudo make install

helm is a must-have package, it can Emacs run like a magic. https://tuhdo.github.io/helm-intro.html My settings:

(use-package helm :ensure t)
(use-package helm-swoop :ensure t)
(use-package helm-projectile :ensure t)

(require 'helm-config)
(helm-mode 1)

(define-key helm-map (kbd "<tab>") 'helm-execute-persistent-action) ; rebind tab to run persistent action
(define-key helm-map (kbd "C-i") 'helm-execute-persistent-action) ; make TAB work in terminal
(define-key helm-map (kbd "C-z")  'helm-select-action) ; list actions using C-z


(setq helm-buffers-fuzzy-matching t
helm-recentf-fuzzy-match    t)

;; === projectile ===
(projectile-global-mode)
(setq projectile-completion-system 'helm)
(helm-projectile-on)
(setq projectile-switch-project-action 'helm-projectile)
;; C-c p p switch projects
;; C-c p f find files in a project
;; C-c p F find files in projects

;; helm semantic
;; (semantic-mode 1)
;; (setq helm-semantic-fuzzy-match t
;;       helm-imenu-fuzzy-match    t)

;; hem-man-woman
(add-to-list 'helm-sources-using-default-as-input 'helm-source-man-pages)
(setq helm-locate-fuzzy-match t)

My key bindings:

;; keybinding for helm
(global-set-key (kbd "C-x i") `helm-complete-file-name-at-point)
(global-set-key (kbd "C-x b") `helm-mini)
(global-set-key (kbd "C-x C-b") `helm-buffers-list)
(global-set-key (kbd "C-x C-f") `helm-find-files)
(global-set-key (kbd "C-x C-r") `helm-recentf)
(global-set-key (kbd "C-x r b") `helm-bookmarks)
(global-set-key (kbd "M-x") `helm-M-x)
(global-set-key (kbd "M-y") `helm-show-kill-ring)

(global-set-key (kbd "C-c i") 'helm-semantic-or-imenu)


(global-set-key (kbd "C-x c o") 'helm-occur)
(global-set-key (kbd "C-h SPC") 'helm-all-mark-rings)
(global-set-key (kbd "C-c C-g") 'helm-google-suggest)
(global-set-key (kbd "C-p") 'helm-projectile-find-file)

• ansi-term
• To modify the color scheme: M-x customize-group RET term RET

• emacs settings

  (autoload 'ansi-color-for-comint-mode-on "ansi-color" nil t)
  (add-hook 'shell-mode-hook 'ansi-color-for-comint-mode-on)
  (add-to-list 'comint-output-filter-functions 'ansi-color-process-output)
  
  (autoload 'ansi-color-for-comint-mode-on "ansi-color" nil t)
  (add-hook 'shell-mode-hook 'ansi-color-for-comint-mode-on)
  (add-to-list 'comint-output-filter-functions 'ansi-color-process-output)
  

1. put the following into .bashrc or .profile export TERM=xterm-256color
2. check the effect in Emacs by: M-x list-colors-display
3. select color theme you like by: M-x color-theme-xx

C-x f set-fill-column default is 70

http://jonathanchu.is/posts/org-mode-and-mobileorg-installation-and-config/

alt-x

same as M-x

C-h a

search for command c-h i :: information page c-h f :: help on function c-h k :: help on key bindings c-h m :: help on current mode

C-/

undo

C-x (

start recording macro C-x ) :: stop recording macro C-x e :: execute

• setting what to show

#+COLUMNS: %25ITEM %TAGS %Effort(EV) %CLOCKSUM(RC) %TODO

C-c C-x C-c

column view

C-c C-x i

generate gdynamic table

q

quit column view

• find a file with its name

M-x find-name-dired

or

*M-x find-dired*  (accept any command that find do)

e.g. case-insensitive search -iname \*xxx\* Note: '\' is necessary

• find a file with its contain

M-x rgrep

• locate or locate-with-filter

M-x replace-string C-q C-m RET

or run dos2unix

C-c C-<

outline-promote

C-c C->

outline-demote

C-j

org-return-indent

C-c C-x v

Copy the visible text in the region into the kill ring.

C-c C-u

Backward to higher level heading.

C-c C-j

Jump to a different place without changing the current outline visibility. Shows the document structure in a temporary buffer, where you can use the following keys to find your destination

(no term)

C-c C-x C-s subtree archive

C-c l

store a internal link

C-c C-l

insert a link to current location

C-c &

return back

C-c C-x C-i

clock in

C-c C-x C-o

clock out

C-c C-x C-i

clock jump

C-c C-c

recalculate the time interval

C-c C-x C-d

Display time summaries for each subtree in the current buffer (C-c C-c cancel)

C-c C-x C-r

Insert a dynamic block (see Dynamic blocks) containing a clock report

M-x org-resolve-clocks

You can also check all the files visited by your Org agenda for dangling clocks at any time using M-x org-resolve-clocks.

• C-c } you can always turn on the reference visualization grid with
• first formula: :=vmean($2..$3) hit C-c C-c you should observe two things
• C-c ' interactive formula editor / C-c = simple interactive formula editor
• C-c | convertactive region into a table. items can be separated by s whitespace, comma, or tab.
• C-c ^ sort according to current column.
• <N> in the column to set the field width. as follows:

| <4>  | <5>   | <7>     |

• How to show line numbers?
  (global-linum-mode 1) ; display line numbers in margin. Emacs 23 only.
• How to show the cursor's column position?
  (column-number-mode 1)
• How to have lines soft wrapped at word boundary?
  Pull the menu ?Options ? Line Wrapping in this Buffer?, or call visual-line-mode.
• How to have lines soft wrapped at word boundary?
  (global-visual-line-mode 1) ; 1 for on, 0 for off.

• C-\

• Configure org-mode html export project

  (setq org-publish-project-alist
        '(
          ("org-notes"               ;Used to export .org file
           :base-directory "~/www/"  ;directory holds .org files
           :base-extension "org"     ;process .org file only
           :publishing-directory "~/public_html/"    ;export destination
           :recursive t
           :publishing-function org-html-publish-to-html
           :headline-levels 4               ; Just the default for this project.
           ;; :auto-preamble t
           :auto-sitemap t                  ; Generate sitemap.org automagically...
           :sitemap-filename "sitemap.org"  ; ... call it sitemap.org (it's the default)...
           :sitemap-title "Sitemap"         ; ... with title 'Sitemap'.
           :export-creator-info nil    ; Disable the inclusion of "Created by Org" in the postamble.
           :export-author-info nil     ; Disable the inclusion of "Author: Your Name" in the postamble.
           :auto-postamble nil         ; Disable auto postamble
           :table-of-contents t        ; Set this to "t" if you want a table of contents, set to "nil" disables TOC.
           :section-numbers nil        ; Set this to "t" if you want headings to have numbers.
           :style-include-default nil  ;Disable the default css style
           :html-preamble nil
           :html-postamble nil
          )
          ("org-static"                ;Used to publish static files
           :base-directory "~/www/"
           :base-extension "css\\|js\\|png\\|JPG\\|jpg\\|gif\\|pdf\\|mp3\\|ogg\\|swf"
           :publishing-directory "~/public_html/"    ;export destination
           :recursive t
           :publishing-function org-publish-attachment
           )
          ("org" :components ("org-notes" "org-static")) ;combine "org-notes" and "org-static" into one function call
          ))
  
  

• Download Bootstrap and extract .zip. Make sure these folders (css, img and js) are in the same folder as your org files.

• Create level-0.include as following and save it to YOUR_INCPATH

  #+options: author:nil creator:nil timestamp:nil email:nil
  #+options: h:0 toc:nil title:nil
  #+options: html-style:t
  
  #+HTML_HEAD:        <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
  #+HTML_HEAD:        <title>Chenggang Liu's Homepage</title>
  #+HTML_HEAD:        <link rel="stylesheet" href="./fonts/Serif/cmun-serif.css" />
  #+HTML_HEAD:        <link rel="stylesheet" href="./fonts/Serif-Slanted/cmun-serif-slanted.css" />
  #+HTML_HEAD:        <!--BOOTSTRAP-->
  #+HTML_HEAD:        <link href="./bootstrap/css/bootstrap.min.css" rel="stylesheet">
  #+HTML_HEAD:        <!--mobile first-->
  #+HTML_HEAD:        <meta name="viewport" content="width=device-width, initial-scale=1.0">
  #+HTML_HEAD:
  #+HTML_HEAD:        <!--removed html from url but still is html-->
  #+HTML_HEAD:        <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
  #+HTML_HEAD:
  #+HTML_HEAD:        <!--font awesome-->
  #+HTML_HEAD:        <link href="//netdna.bootstrapcdn.com/font-awesome/4.0.3/css/font-awesome.css" rel="stylesheet">
  #+HTML_HEAD:
  #+HTML_HEAD:        <!--fonts: allan & cardo-->
  #+HTML_HEAD:        <link href="http://fonts.googleapis.com/css?family=Droid+Serif" rel="stylesheet" type="text/css">
  #+HTML_HEAD:        <link href="http://fonts.googleapis.com/css?family=Droid+Sans" rel="stylesheet" type="text/css">
  #+HTML_HEAD:        <link href="./css/sticky-footer-navbar.css" rel="stylesheet">
  #+HTML_HEAD:
  #+HTML_HEAD:        <!--Highlight-->
  #+HTML_HEAD:        <link href="./highlight/styles/github.css" rel="stylesheet">
  #+HTML_HEAD:        <link href="./favicon.ico" rel="shortcut icon" />
  #+HTML_HEAD:        <script type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML"></script>
  
  #+BEGIN_EXPORT html
  <nav class="navbar navbar-inverse navbar-static-top" role="navigation">
    <div class="container">
      <!--Toggle header for mobile-->
      <div class="navbar-header">
        <button type="button" class="navbar-toggle" data-toggle="collapse" data-target=".navbar-collapse">
          <span class="sr-only">Toggle navigation</span>
          <span class="icon-bar"></span>
          <span class="icon-bar"></span>
          <span class="icon-bar"></span>
        </button>
        <a class="navbar-brand active" href="./index.html" id="home">Chenggang Liu's Homepage</a>
      </div>
      <!--normal header-->
      <div class="navbar-collapse collapse">
        <ul class="nav navbar-nav navbar-right">
          <li><a href="./index.html"><span class="glyphicon glyphicon-home"></span>  Home</a></a></li>
          <li><a href="./blog.html"><span class="glyphicon glyphicon-pencil"></span>  Blog</a></li>
          <li><a href="./projects.html"><span class="glyphicon glyphicon-tags"></span>  Projects</a></li>
          <li><a href="./about.html"><span class="glyphicon glyphicon-user"></span>  About</a></li>
          <li><a href="./contact.html"><span class="glyphicon glyphicon-envelope"></span>  Contact</a></li>
        </ul>
      </div><!--/.nav-collapse -->
    </div>
  </nav>
  #+END_EXPORT
  
  

• On top of your org files, add:

  #+INCLUDE: "YOUR_INC_PATH/level-0.include"
  

• You are done and enjoy!