🏆 I provide private lessons on Emacs, Linux, and Life in general: https://protesilaos.com/coach/. Lessons continue throughout the year.

Code Casts

Videos of free software projects I am working on

[feed] Code Blog // What is this?

2024-02-22 Emacs: spontaneous live stream today (2024-02-22) at 14:30 Europe/Athens time [video]
2024-02-17 Emacs: modern minibuffer packages (Vertico, Consult, etc.) [video]
2024-02-08 Emacs: control where buffers are displayed (the 'display-buffer-alist') [video]
2024-02-03 Emacs: abbreviations with abbrev-mode (quick text expansion) [video]
2024-01-29 Emacs: define prefix/leader key (nested key maps) [video]
2024-01-20 Emacs: Denote links to Org headings [video]
2024-01-16 Emacs: customize fonts (generic method and 'fontaine' package) [video]
2024-01-13 Emacs: customise mode line colours [video]
2023-12-23 EmacsConf2023: hyperdrive.el peer-to-peer filesystem (Joseph Turner and Protesilaos) [video]
2023-12-18 Emacs: advanced Org literate configuration [video]
2023-12-12 Emacs: multilingual editing (Greek, French, Chinese, etc.) [video]
2023-12-04 Emacs: the new Denote sort mechanism (Dired, Org dynamic blocks) [video]
2023-11-25 Emacs: Denote Org dynamic blocks [video]
2023-11-17 Emacs: ediff basics [video]
2023-10-13 Emacs: new Denote developments (version 2.1.0-dev) [video]
2023-09-25 Emacs: live stream today (2023-09-25) at 14:30 Europe/Athens time [video]
2023-08-03 Emacs: contribute to GNU Emacs core [video]
2023-07-29 Emacs: write a custom mode line [video]
2023-06-28 Emacs: mark and register basics [video]
2023-06-26 Emacs: file and Dired basics [video]
2023-06-10 Emacs: basics of search and replace [video]
2023-05-27 Guix: spontaneous live stream today (2023-05-27) at 09:30 Europe/Athens time [video]
2023-05-23 Emacs: basics of Org mode [video]
2023-05-22 Emacs: spontaneous DENOTE live stream today (2023-05-22) at 14:00 Europe/Athens time [video]
2023-05-06 Emacs: spontaneous live stream today (2023-05-06) at 11:30 Europe/Athens time [video]
2023-02-28 Emacs: 'beframe' package demo [video]
2023-01-16 Emacs: 'substitute' package demo [video]
2022-12-17 Emacs: modus-themes version 4 demo [video]
2022-12-05 Emacs: introduction to Clojure (CIDER and clojure-mode) [video]
2022-09-01 Emacs: showing my award from the Free Software Foundation [video]
2022-08-18 Emacs: demonstration of my ef-themes [video]
2022-06-18 Emacs: demonstration of my Denote package (simple note-taking) [video]
2022-04-26 Live stream: My Emacs packages and other publications [video]
2022-03-22 I won an award from the FSF for my contributions to Emacs [video]
2022-03-22 LibrePlanet 2022: Living in freedom with GNU Emacs [video]
2022-03-14 Emacs: demonstration of pulsar.el [video]
2022-03-11 Emacs: demonstration of logos.el [video]
2022-02-19 Live stream: Emacs, LibrePlanet 2022, philosophy [video]
2022-01-31 Learning Emacs and Elisp [video]
2022-01-08 Emacs: buffer-local faces (face-remap-add-relative) [video]
2022-01-05 Emacs: custom faces for Org emphasis styles (org-emphasis-alist) [video]
2021-12-21 EmacsConf 2021: How Emacs made me appreciate software freedom [video]
2021-12-09 Demo of my custom Org block agenda [video]
2021-12-04 Live stream: Status update on my Emacs work [video]
2021-10-29 Live stream: impostor syndrome and the Emacs community [video]
2021-10-22 Demo of my Minibuffer and Completions in Tandem (mct.el) for Emacs [video]
2021-09-22 Live stream: Emacs and the Unix philosophy [video]
2021-09-08 Primer on Emacs bookmarks [video]
2021-08-31 Emacs as a 'second brain' and mindfulness [video]
2021-08-29 The Emacs community bought me a new PC [video]
2021-07-24 Miscellaneous custom Emacs commands [video]
2021-07-21 My custom extras for Dired (Emacs) [video]
2021-05-19 Status update on the Modus themes for Emacs (2021-05-19) [video]
2021-05-15 Demo of the Emacs front-end to Notmuch (email) [video]
2021-04-16 Moral lessons from free software and GNU Emacs [video]
2021-04-14 Emacs Diary and Calendar for tracking appointments [video]
2021-03-25 EWW and my extras (text-based Emacs web browser) [video]
2021-02-08 My workflow with VC for Git projects (Emacs) [video]
2021-01-22 Extensions for Emacs' vc-git [video]
2021-01-09 Embark and my extras (Emacs) [video]
2021-01-06 Default Emacs completion and extras [video]
2020-10-21 Why Emacs itself is my “favourite Emacs package” [video]
2020-09-11 Manage podcasts in Emacs with Elfeed and Bongo [video]
2020-08-27 My Modus themes are now shipped with Emacs [video]
2020-08-06 Emacs: Bongo media manager and extras [video]
2020-08-03 Emacs: custom functions galore! [video]
2020-07-20 Emacs: demo of outline-minor-mode and imenu [video]
2020-07-17 Emacs: configuring mixed fonts in Org mode [video]
2020-07-16 “Focused editing” tools for Emacs [video]
2020-06-09 Emacs demo of Elfeed and my extras [video]
2020-05-08 Demo of Emacs Shell (ESHELL) [video]
2020-04-10 Emacs: use SMERGE and EDIFF to resolve file conflicts [video]
2020-04-04 Introduction to Magit (Emacs) [video]
2020-04-02 Introduction to Ibuffer (Emacs) [video]
2020-03-30 Introduction to the Emacs Version Control framework [video]
2020-03-25 Ripgrep inside of Emacs with “rg.el” [video]
2020-03-14 Edit keyboard macros in Emacs [video]
2020-03-10 My Modus themes for Emacs are in ELPA [video]
2020-03-08 Primer on Emacs “registers” [video]
2020-02-26 Emacs: intro to ICOMPLETE [video]
2020-02-04 Primer on "org-capture" (Emacs) [video]
2020-02-02 Intro to the Gnus newsreader and email client for Emacs [video]
2020-01-23 Primer on regular expressions inside of Emacs [video]
2020-01-21 Isearch powers in keyboard macros (Emacs) [video]
2020-01-07 Emacs: rules for windows and buffer placement [video]
2019-12-20 All about switching to Emacs (video blog) [video]
2019-12-16 FZF with ace-window placement (Emacs) [video]
2019-12-15 Fuzzy search with “Ivy actions” for FZF and RIPGREP (Emacs) [video]
2019-12-08 Search+Replace across multiple files in Emacs [video]
2019-12-05 Tips and tricks for Ivy (Emacs) [video]
2019-12-01 My Modus themes are on MELPA! [video]
2019-11-27 Git commit fixup with Magit (quick demo) [video]
2019-11-26 Emacs: interactively rebase git commit with Magit [video]
2019-11-18 Emacs: use DIRED and BONGO to store playlists [video]
2019-11-16 Emacs DIRED multi-file permissions [video]
2019-11-13 Emacs workflow for music management [video]
2019-11-08 Free software is political (video reply to Bryan Lunduke) [video]
2019-11-04 Basic applications of "emacsclient" [video]
2019-10-22 Status update: BSPWM and Emacs [video]
2019-10-20 Vlog on Emacs documentation culture [video]
2019-10-16 Emacs: transpose text objects [video]
2019-10-14 Emacs: easier keyboard macro counter [video]
2019-10-09 Functions to comment code in Emacs [video]
2019-10-04 About recentf and virtual buffers in Emacs [video]
2019-09-27 Emacs: found that "dired-subtree" has a toggle behaviour! [video]
2019-09-25 Demo of some Emacs micro motions and hacks [video]
2019-09-19 Emacs: narrowed Dired [video]
2019-09-10 Emacs workflow: M-x append-to-buffer [video]
2019-09-09 Emacs IDO features and concepts [video]
2019-09-03 Use Emacs DIRED and keyboard macros [video]
2019-08-30 Manage window layouts in Emacs [video]
2019-08-29 Use "M-x customize" to find more Emacs features [video]
2019-08-24 Discover features in Emacs using the built-in docs [video]
2019-08-22 Emacs keyboard macro counter [video]
2019-08-18 The Emacs way to buffers and windows [video]
2019-08-15 Demo: Emacs ISEARCH features and tweaks [video]
2019-08-12 Demo: Emacs DIRED tweaks [video]
2019-08-09 Vlog: Emacs mindset and Unix philosophy [video]
2019-08-07 Modus themes: accessible colours for Emacs (WCAG AAA) [video]
2019-08-04 Emacs' powerful OCCUR function in practice [video]
2019-08-01 Practical macros in Emacs [video]
2019-07-30 Opinion on Emacs vs Vim, best tiling WM, etc. [video]
2019-07-29 Introduction to keyboard macros in Emacs [video]
2019-07-26 Demo of OpenType features on GNU/Linux [video]
2019-07-23 Emacs DIRED: list sub-directories, search findings, images, diffs [video]
2019-07-22 Basics of the powerful Emacs file manager [video]
2019-07-19 Vim user's first impressions of GNU Emacs [video]

Entire Code blog