Emacs

This page contains a variety of useful links and notes on the text editor Emacs, roughly organized. I don’t reference them very often anymore but thought they might be useful to someone else.

Editing tricks

• Dired search and replace - link
• C-q C-j literal newline
• Like hitting return: M-j
• Join lines: M-^ (Vim: J)
• to jump to next sentence M-e
• Delete everything in parenthesis (or di)~/~di}) C-M-k
• flush-lines http://xahlee.info/emacs/emacs/elisp_list_matching_lines.html
  • Remove blank lines: M-x flush-lines RET ^$ RET
• Opposite: keep-lines
• https://hungyi.net/posts/emacs-calculate-while-you-write/

Text input

• M-x (set-input-method 'TeX) RET tex RET
• M-x (evil-ex-show-digraphs) RET

Good keybinds to remember

• M-o (ivy-dispatching-done)
  • https://oremacs.com/swiper/#hydra-in-the-minibuffer
• C-M-j - (ivy-immediate-done)

Orgmode

• org-set-startup-visibility (C-u C-u TAB)
• org-agenda-notime-is-late - “You can use this option to decide if the schedule for today should come before or after timeless agenda entries.”
• include base64 image in org file
• Radio targets
• Command to reveal x many levels in orgmode 3 C-c <tab>
• C-c / org sparse tree
  • C-c \ match tags
• C-u C-c C-c to make list item into checkbox
• https://stackoverflow.com/questions/58820073/s-in-org-agenda-prefix-format-doesnt-display-dates-in-the-todo-view

Clocking

• https://orgmode.org/manual/Clocking-Work-Time.html
• Insert clock table: org-clock-report
• Update clock blocks - C-c C-c (place cursor on BEGIN)

Org Mode Exporting

• https://orgmode.org/manual/Export-Settings.html
• org-export-with-sub-superscripts
• Write orgmode custom backend

HTML

• #+HTML_HEAD: <link rel="stylesheet" type="text/css" href="styles.css"/>
• Embed CSS on export

LaTeX

• Org - Mode Basics: Exporting your notes (Latex basics)
• https://www.reddit.com/r/orgmode/comments/jykmpt/after_latex_export_oxlatex_the_fourth_level/
• https://github.com/dangom/org-thesis

org-reveal

Header

:REVEAL_PROPERTIES:
#+REVEAL_ROOT: https://cdn.jsdelivr.net/npm/reveal.js
#+REVEAL_THEME: serif
#+REVEAL_TRANS: none
#+REVEAL_INIT_OPTIONS: slideNumber:true, margin:0.20, minScale: 0.001, maxScale: 2.0
#+REVEAL_TITLE_SLIDE: <h2>%t</h2><h4><em>%s</em><h4><br><br><br><p style="font-size: 20pt;">By %a, %e</p><h4>%d</h4>
#+REVEAL_REVEAL_JS_VERSION: 4
#+OPTIONS: timestamp:nil toc:1 num:nil
:END:
#+TITLE: Journalism 101 Online Breakout
#+SUBTITLE: and some misc catchall
#+AUTHOR: Jacob Boxerman
#+EMAIL: jboxerman@fwparker.org
#+DATE: August 23, 2021

Tables

• Separators: Make new row with first column /. Put a < in each column that should have a separator.
• Add solid line: org-table-insert-hline

Citations/Bibliography

• https://blog.tecosaur.com/tmio/2021-07-31-citations.html
• #+BIBLIOGRAPHY:
• [cite:@thing]
• Footnote action: C-c C-x f

org-columns

• https://emacsconf.org/2021/talks/professional/
• https://raw.githubusercontent.com/falloutphil/Misc/master/cpd.org
• https://orgmode.org/manual/Using-column-view.html
• https://orgmode.org/worg/org-tutorials/org-column-view-tutorial.html
• Sample columns configuration using properties: :COLUMNS: %50ITEM %TODO %REQUIRES %OUTCOME %NOTES
  • Can do the same file-wide with #+COLUMNS

org-ql

• (property "ARCHIVE_ITAGS" "cl")

Clocktables

• (setq org-duration-format 'h:mm)
• Today: #+BEGIN: clocktable :maxlevel 3 :block today :hidefiles t :compact t
• This week: #+BEGIN: clocktable :maxlevel 3 :block thisweek :hidefiles t :compact t
• All: #+BEGIN: clocktable :maxlevel 10 :tags t
• Scopes (examples)
  • :scope ("work.org" "~/Dropbox/org/org-archive/homework-archive.org_archive" "~/Dropbox/org/org-archive/todo-archive.org_archive")
  • :scope (lambda () (directory-files-recursively (expand-file-name "org-archive" org-directory) "homework"))

My favorite themes

1. jake-doom-plain/jake-doom-plain-dark
2. doom-old-hope
3. doom-dark+
4. doom-molokai
5. doom-one/doom-one-light
6. nano
7. kaolin-galaxy
8. doom-snazzy
9. modus-themes
10. doom-miramare
11. doom-peacock
12. doom-flatwhite

Code

Python

• run-python : begin shell thing
• C-c C-c : run the content of the buffer in the opened python shell
• C-c C-r : run the selected region in the python shell

ISpell

• M-x ispell

Editing commands

*Select a number to auto-correct

• SPC - skip for later
• a - accept wrong word for buffer
• i - insert word into personal dictionary

Misc

• https://hg.sr.ht/~zck/zmusic/
• Vim movement diagram

Packages I’ve installed for Emacs:

• aspell (spellchecking)
• chemacs (multiple emacs profiles)
• emacs-plus
• fd (faster find)
• fzf (fuzzy file search)
• gnu coreutils (gls, ggrep, etc)
• ripgrep (faster grep)

Calc

Summing a Column of Numbers in Emacs :: jasani.org

Emacs commands to calculate sum, average, etc. of region - Super User

Links

Elisp

• GNU Emacs Lisp Reference Manual

Comparisons & Conditionals

• Comparison of Numbers
• Conditionals
  • If–then–else Expressions
• Equality Predicates

Expressions

• Let expression

Lists

• Cons Cells and Lists
• car and cdr
• Alists
• Accessing elements of lists
• http://ergoemacs.org/emacs/elisp_list.html

Manuals/Guides

• https://emacsdocs.org/
• The GNU Emacs Calculator - YouTube

People (blogs, configs)

• https://karl-voit.at/apps-I-am-using/
• https://github.com/piercegwang/emacsd/
• https://gitlab.com/dwt1/dotfiles
• https://sachachua.com/dotemacs/
• https://github.com/ogdenwebb/snug-emacs
• https://github.com/mclear-tools/dotemacs
• https://github.com/bcmertz/dotfiles/tree/main/.emacs.d
• https://gitlab.com/public-repositories/emacs-groundup
• https://alhassy.github.io/emacs.d/
• https://github.com/SystemCrafters/crafted-emacs

Forums

• what have you recently removed from your emacs config? – reddit

Articles/posts/blogs

• https://jao.io/blog/2022-06-19-simple-note-taking.html

Packages

• https://www.emacswiki.org/emacs/TypographicalPunctuationMarks
• https://github.com/misohena/phscroll
• https://github.com/bmag/emacs-purpose
• Marginalia - cool stuff in describe variable, function, etc. Same-ish as ivy-rich
• https://github.com/alphapapa/org-bookmark-heading
• https://github.com/osener/emacs-webkit-color-picker
• https://github.com/misohena/el-easydraw
• https://github.com/ioah86/repetition_error_finder/
• https://github.com/bitspook/spookfox
• https://gitlab.com/tygrdev/org-real
• https://github.com/joaotavora/eglot
• https://github.com/Silex/elmacro
• https://github.com/novoid/Memacs
• https://alhassy.github.io/org-special-block-extras/
• https://github.com/minad/org-modern + https://github.com/jdtsmith/org-modern-indent