xtodo Xah Talk Show

add transparency to CSS: HSL Color

• xah-find output protocol (2026)

// 2026-05-26 output from
// deno run

console.log(3++4);

/*
error: The module's source code could not be parsed: Expected ',', got 'numeric literal (4, 4)' at file:///C:/Users/xah/.emacs.d/temp/20260525_1258_4566.js:1:16

  console.log(3++4);
                 ~
*/

printfn "%s" 4

(*
20260525_1302_43c9.fsx(1,14): error FS0001: This expression was expected to have type
    'string'
but here has type
    'int'
 *)

print( 3++)

#   File "c:\Users\xah\.emacs.d\temp\20260525_1258_c898.py", line 1
#     print( 3++)
#               ^
# SyntaxError: invalid syntax

# Process xah-run exited abnormally with code 1

p 3++

# c:/Users/xah/.emacs.d/temp/20260525_1301_7936.rb:1: syntax error, unexpected end-of-input
# p 3++
#      ^

• HTML: Case Sensitivity

• Emacs: CSS. Insert Random Color 📜
• write one for hex syntax
• also extend to include opacity

• change dired keys start with e to tab, maybe
• i.e. move xah-dired-init at xahemacs_keys.el to xah-dired.el

• emacs lisp write xah-remove-DS_Store

• emacs lisp , write delete .DS_Store
• actually, remove it in my PowerShell move file script.

• show polymorphism in Wolfram language

• maybe a plus function, for number and string.

• Do elisp support function polymorphism
• https://x.com/i/grok/share/dba998c10f51420187bc416f70223df8

• Do python support function polymorphism
• https://x.com/i/grok/share/29a9b7139b604eb9b4aac8d3a3627dec

• does golang support polymorphism? show example
• https://x.com/i/grok/share/8fb6d4f7edb44f9090b75f4480433df8

• emacs lisp write a xah-html-ampersand-to-and. see also xah-html-decode-ampersand-entity

• fix the path, the d drive, to f//
• xah-html-image-path-to-figure-tag
• xah-html-path-to-img-tag

• write a map function for plist.

• Elisp: Function Keyword Parameters (Named Parameters)

• rewrite xah-delete-emacs-backup so it doesn't ask confirm, and move files to a trash dir.

ask grok ai, teach me about font tech. font format types, format, their year, diff. show actual code example, of creating a font.

also, explain what's meta font, maybe in detail, code example. can it create a new font.

ask grok ai, about postscript language, and compare to svg. and ask about what is similar to postscript.

• write a verification for
• JS: Show Prototype Chain 📜

• is it true.
• 🛑 WARNING: test array content equality by json is extremely inefficient.
• JS: Test Array Equality

• go thru all keyboard pages, e.g.
• ROCCAT Tyon Mouse
• ROCCAT Leadr Mouse
• find duplicate amazon links, remove duplicate

• find why there is linkedin in Microsoft Windows start menu.
• find what is this linkedin thing (is it an installer), find its location. uninstall it.
• find all other shit Microsoft 11 installed. uninstall them.

• turn off all user survey in Microsoft Windows 11

• Windows 10 Expire Pain. Update to Windows 11 (2025-12)

• Windows 11: Disable Widgets

why does browser not allow defer of direct js code like this <script defer>/*code*/</script> , what is the reason for the design.

• https://x.com/i/grok/share/DoZ3qqgoq64QyOYHDslv6DfOd

• css nesting
• https://developer.mozilla.org/en-US/docs/Web/CSS/Guides/Nesting/Using

• CSS: 3D Cube

• Wolfram language
• ArrayReshape

emacs lisp xah-html-decode-ampersand-entity, xah-html-ampersand-to-and new command or mod, ampersand to FULLWIDTH AMPERSAND ＆ or to and.

install flux ai locally

• optimize
• check_local_links.go

• do talk show demo
• Wolfram: List Operations

• 2025-10-21 write a sitemap in emacs lisp

• JavaScript create random link to keyboard blog, and also maybe xahlee.info

• emacs lisp , create a new page for
• xah-smart-delete
• xah-dired-optimize-png
• xah-dired-optimize-svg
• xah-dired-show-metadata
• xah-dired-remove-all-metadata

• xah-dired-show-all-subdirs
• xah-dired-bundle-marked-files
• xah-dired-unravel-dir
• xah-list-emacs-backup
• xah-list-empty-files
• xah-delete-emacs-backup
• xah-delete-empty-files

• write emacs command to convert ai generated timestamp into youtube links.
• Xah Talk Show Ep696 Emacs Lisp, Insert Date, Extend Selection, Generic Map Functions

• YouTube thumbnail source
• Emacs LISP Girls
• Grok Ani Waifu (2025)
• AI Art: Grok Image to Video, Robot Girls (2025)

• Wolfram Language, Geometric Inversion of Sphere

• do talk show, write a tutorial page for formatting code
• need a page about format js code
• also, css, html, perl, JavaScript Golang PowerShell, emacs lisp
• python one exist at
• Python: Format Code
• add a topic box to link them all

• also, need a page for emacs perl xah-perl-format-buffer

• write xah-insert-random-alphabet

• make the negative pedal code, rewrite the function to take expression instead of pure function. explain why.
• Xah Talk Show 2025-04-08 Ep640 Wolfram language coding and random
• Wolfram language add negative pedal to my curve package
• Xah Talk Show 2025-03-26 Ep635 Wolfram language, graphics for beginner, draw pedal curve
• add illustration on negative pedal curve page. maybe livestreacg

• emacs change image and figure into 1600 with full with link
• Samarkand

• YouTube download look at the code,
• c:/Users/xah/git/yt-dlp/yt_dlp

• make this <div class="topicxl"> add a x-id attribute
• mod xah-html-update-topic-boxes

• 2025-04-30 write a emacs command to delete topic box
• Xah Talk Show 2025-05-08 Ep654 emacs lisp, add id to div tag, part 2
• Xah Talk Show 2025-05-03 Ep651 emacs lisp, add id to div tag, part 1

• emacs lisp xah-lookup-twitter modify to include poster and date range

• write a command xah-qwerty-to-dvorak that convert qwerty string to dvorak

normalize YouTube links

• Wikipedia deepstate fakenews
• https://en.wikipedia.org/wiki/List_of_most-visited_websites
• china sites, russia sites, all removed
• duckgo ranked after amazon. https://x.com/xah_lee/status/1738310187658920414/photo/1
• duckgo censorship https://x.com/xah_lee/status/1738330362995151189
• page is locked
• https://x.com/xah_lee/status/1738310187658920414
• show Wikipedia history page. https://x.com/xah_lee/status/1738330362995151189

write emacs command

• xah-list-junk-files
• xah-dir-size
• xah-subdir-sizes
• xah-rename-to-hash
• xah-backup-drives

• xah-rsync-xahweb-to-webserver
• xah-copy-images-xpc-to-xgpc
• xah-sync-emacs-xgpc-to-xpc

• 2022-10-18 count word/letter frequency in JavaScript, golang, elisp, python Xah Talk Show 2022-10-18 Wolfram language Coding, Count Words Frequency, Letter Frequency, Bigrams

• 2022-10-14 programing exercise.
• Write a function to generate arbitrarily nested json.
• gen_json(min_length, max_length, min_depth, max_depth)
• Length should be min_length to max_length, inclusive.
• Any among must be equaly likely.
• Depth should be min_depth to max_depth, inclusive.
• Any among must be equaly likely.
• output should be a string.
• The values should be int from 1 to 100, inclusive.
• Any equally likely.
• The keys should be string of length 3, 0 to 9, A to F, upper case, inclusive.
• e.g.
• Any equally likely.

• symbolic pattern matching, term rewriting system, lisp macro
• https://youtu.be/kGpCwGjX890?t=863

• symbolic pattern matching, term rewriting system, lisp macro
• https://youtu.be/kGpCwGjX890?t=14m23s

• Xah Talk Show 2021-05-17 Emacs Lisp Live Coding. Convert MM:SS to Seconds and Reverse