xtodo Xah Talk Show
- do fsharp version. ask ai
- Perl Scripts. Index
(* 2026-01-15 fsharp. the indentation permanently disfigured the syntax. need to do more verify. *) // works let fa x = let a = 3 in let b = 3 in x+a+b // #indent "off" // 20260117_0850_d4d4.fsx(16,1): error FS0062: This construct is deprecated. The use of '#light "off"' or '#indent "off"' was deprecated in F# 2.0 and is no longer supported. You can enable this feature by using '--langversion:5.0' and '--mlcompatibility'. // no work let fb x = let a = 3 in let b = 3 in x+a+b; // works let fc x = let a = 3 in let b = 3 in x+a+b printfn "%d" (fc 3)
incoming
- Xah Talk Show Ep793.
- Xah Talk Show Ep794. a look at emacs 31
- Xah Talk Show Ep795.
- Xah Talk Show Ep796.
emacs lisp. add width height to all thumbnails
xtodo grid, spinner animation
- emacs lisp. add width height to all thumbnails
- do one page
- prevent browser Cumulative Layout Shift
- solution is to add width height.
- unless you want all images to have fixed width height
- show browser dev tool, networking
- emacs lisp, write a
xah-html-insert-style-tag
- do a clock, in js and css version. mend the grok ai code, put to my page
add transparency to CSS: HSL Color
// 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++ # ^
- 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-initat 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 alsoxah-html-decode-ampersand-entity
- fix the path, the d drive, to f//
xah-html-image-path-to-figure-tagxah-html-path-to-img-tag
- write a map function for plist.
- rewrite
xah-delete-emacs-backupso 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
why does browser not allow defer of direct js code like this
<script defer>/*code*/</script>
, what is the reason for the design.
- 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-deletexah-dired-optimize-pngxah-dired-optimize-svgxah-dired-show-metadataxah-dired-remove-all-metadata
xah-dired-show-all-subdirsxah-dired-bundle-marked-filesxah-dired-unravel-dirxah-list-emacs-backupxah-list-empty-filesxah-delete-emacs-backupxah-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