Bastien Guerry

Computers and freedom

  • Notes from an Org-mode demonstration

    Thanks to the MediaLab Prado and Adolfo Antón Bravo for inviting me to make a small demonstration of org-mode. Below are my notes FWIW. GNU Emacs There use to be an editor war between Emacs and Vi(m). This is now history, Emacs won thanks to org-mode. Org-mode: key ideas You need a single tool for both notes and tasks. Your TODO list application should not be too rigid. Ideally, it is a pedagogical tool, one that helps to be slightly better organized.

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  • Tutorial introduction to searching in Emacs

    Go to the main Info buffer with C-h i. Hit d to make sure you are at the top-level of the Info documentation, and go at the beginning of the buffer with M-<. Perform an incremental search for "lisp" with C-s lisp. Hit RET to deactivate the search and the highlighting of search matches. Hit C-r to search backwards. Now hit C-s C-s to search for the last search string again.

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  • Free Software (#FLOSS) Business Models ?

    … explained to my daughter. My daughter was 18 months old at the time of this presentation, but the sooner the better.

  • Emacs, naked.

    When it gets too cold, you can always put on more layers of clothing. But when it gets too hot, after a while you can't take off any more. – RMS This is GNU Emacs: Now let the show begin… Code snippets are for GNU Emacs 24.3 and above. A blank stage ;; Prevent the cursor from blinking (blink-cursor-mode 0) ;; Don't use messages that you don't read (setq initial-scratch-message "") (setq inhibit-startup-message t) ;; Don't let Emacs hurt your ears (setq visible-bell t) ;; You need to set `inhibit-startup-echo-area-message' from the ;; customization interface: ;; M-x customize-variable RET inhibit-startup-echo-area-message RET ;; then enter your username (setq inhibit-startup-echo-area-message "guerry") Break the walls ;; This is bound to f11 in Emacs 24.

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  • Emacs mode for hiding the mode-line

    Sometimes I don't want to display the mode-line. This minor mode helps me switching it on and off: (defvar-local hidden-mode-line-mode nil) (define-minor-mode hidden-mode-line-mode "Minor mode to hide the mode-line in the current buffer." :init-value nil :global t :variable hidden-mode-line-mode :group 'editing-basics (if hidden-mode-line-mode (setq hide-mode-line mode-line-format mode-line-format nil) (setq mode-line-format hide-mode-line hide-mode-line nil)) (force-mode-line-update) ;; Apparently force-mode-line-update is not always enough to ;; redisplay the mode-line (redraw-display) (when (and (called-interactively-p 'interactive) hidden-mode-line-mode) (run-with-idle-timer 0 nil 'message (concat "Hidden Mode Line Mode enabled.

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  • How To Exit Emacs?

    tl;dr Spending the rest of your life in Emacs is a feature, not a bug. Above: My empty i3 window manager, after I quit Emacs tl;dr (take 2) This is the magic key combination to exit Emacs: C-x C-c Which reads as Control-x Control-c –help I.e., press the Control key with your left pinky, hold it pressed, then press x, release x (while still holding the Control key), press c.

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  • Emacs Org and Overtone quick intro

    This file will take you through installing GNU Emacs and Overtone so that you can play a few notes. You want to read it within GNU Emacs and Org-mode. Installation Install GNU Emacs If you are using Debian, ~$ apt-get install emacs will do. To install Emacs from sources, you can download it from here or clone the git mirror: ~$ git clone git:// Configure Emacs The beginning of your Emacs configuration should contain this to add marmelade to the list of known repositories for Emacs libraries:

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  • Blogging from GNU Emacs

    Yes, blogging from Emacs is possible. If you are familiar with org-mode and if you already know how to publish a HTML project, this is straightforward: just download ox-rss.el and follow the instructions in the comment section. If you are not so familiar with Org-mode, or with publishing HTML project (or just enjoy reviewing the basics from time to time), here is a small tutorial describing the steps to let you enjoy an Emacs blog.

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  • Learn Emacs Lisp in 15 minutes

    I was surprised not to find an introduction to Emacs Lisp on so I created one, which is now maintained on there. Comments and feedback are welcome ! ;; This gives an introduction to Emacs Lisp in 15 minutes (v0.2d) ;; ;; Author: Bastien / ;; ;; First make sure you read this text by Peter Norvig: ;; ;; ;; Then install GNU Emacs 24.3: ;; ;; Debian: apt-get install emacs (or see your distro instructions) ;; MacOSX: http://emacsformacosx.

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  • Bastien Guerry Orgmode Emacs Chat with Sacha Chua

    Thanks to Sacha Chua for inviting me to chat with her! (Check her blog post about it.) So here are some bits about Emacs, Org-mode… and a few others things. <center> <iframe width="420" height="315" src="" frameborder="0" allowfullscreen></iframe> </center> <br/>