xah to read

By Xah Lee. Date: . Last updated: .

js code

xah js play index

write a search box. allow input of entity name, char, code point. HTML Entity List

rewrite in js Math: Density Plots of Trig Expressions

2019-06-02 make it clickable JS: Raining Hearts

truncet tile

Geometric Inversion

JavaScript functional programing lib https://github.com/Ramda/ramda

2019-06-02 to read. translation graph https://github.com/tcveatch/tg/wiki/TG-Motivation

Why can't bots check “I am not a robot” checkboxes? https://www.256kilobytes.com/content/show/10414/busting-recaptcha-myths-reverse-engineering-anti-spam-algorithms-and-examining-existing-research-in-realistic-contexts Oliver Emberton, CEO at Silktide Updated Feb 16, 2019

I'm not a human: Breaking the Google reCAPTCHA by Suphannee Sivakorn, Jason Polakis, and Angelos D. Keromytis [suphannee, polakis, angelos]@cs.columbia.edu Columbia University, New York NY, USA asia-16-Sivakorn-Im-Not-a-Human-Breaking-the-Google-reCAPTCHA-wp.pdf

git InsideReCaptcha https://github.com/neuroradiology/InsideReCaptcha


js tutorial things.

2019-06-02 write a setTimeout and setInterval tutorial.

this page, possibly need more examples. CSS Selector Syntax for example, select all checked boxes. also, distinguish pseudo class and pseudo element

2018-11-01 finish

old, to review:

need to go thru all links in HTML5 Tags Complete List and make sure all has examples of those none. HTML5 Tags Complete List

add a js page on number literal. example: 0xff2233

2019-06-09 JS: Number.prototype on the type section, remove the // comment. also, maybe remove the Object.prototype.toString.call line. check all such pages. do all.

figure out why

console.log (
Reflect.apply ( Object.prototype.toString , Boolean.prototype , [] ) === "[object Boolean]"
); // true

console.log (
Object.prototype.valueOf.call ( Boolean.prototype )
); // [Boolean: false]

console.log (
Reflect.apply ( Boolean.prototype.valueOf ,  Boolean.prototype , [] ) === false
); // true

JS: Boolean.prototype

2019-01-27 todo. review Web Animation and SVG: Animation

rewrite Using a Second Keyboard as Programable Keypad

2019-01-31 todo. put del_dup.pl to Learn Perl in 1 Hour also, rewrite it in golang.

2019-01-31 todo. emacs. work on xah_site_move.el merge it to xah html mode.

2019-01-31 todo. emacs video of xah-html-lines-to-list live coding.

todo emacs. xah-quote-lines fix, add a comma at the end. do video

2019-01-16 todo. work in progress Emacs Lisp Script Examples

2019-01-16 todo. work in progress Elisp: Twitterfy code rewritten. still experimenting.

2019-01-16 todo create or add (require 'uniquify) to emacs init page. 2019-01-16 todo remove and link it from Xah Emacs Blog Archive 2011-07

2018-12-26 todo put my YouTube vids on site https://www.youtube.com/user/polyglut/videos

2018-12-26 need to look at the modeline for spacemacs https://www.reddit.com/r/xahflykeys/comments/a7qczh/xah_fly_keys_ses_and_input_method_problems/

work on xah-fly-keys github https://github.com/xahlee/xah-fly-keys/pull/59

xah-fly-keys issue https://github.com/xahlee/xah-fly-keys/issues/63


xah-fly-keys https://github.com/xahlee/xah-fly-keys/issues/70

Knight-TV-and-keyboard put to keyboard blog https://github.com/PDP-10/its/wiki/Knight-TV-and-keyboard


pdp10 pic http://its.pdp10.se/

intro to emacs editor, 1978 AIM-447.pdf

keyboard bootmapper client https://meckeyalpha.com/pages/guide-on-bootmapper-client

xahlee google sites? https://sites.google.com/site/xahlee/Home

make site https https://support.google.com/webmasters/answer/6073543 and https://developers.google.com/web/fundamentals/security/encrypt-in-transit/enable-https

2019-04-14 mod golang replace.go to not print long lines. emacs problem

Unicode character property

my typical daily todo

todo today (this is the typical daily todo for me)

math Group Theory Notes


2018-11-08 write a tutorial on css order

2019-02-15 write tutorial on html lang code. here's ref https://www.w3.org/International/questions/qa-html-language-declarations and search my site for this link

Syntactic Meaning of Variable

2018-12-05 finish reading the scott cpu video and other reading Programing Language and Its Machine

2018-12-05 todo send out emacs tutorial

2018-12-03 todo elisp html, write function that get innerText

2018-12-25 review How CPU Works

2018-12-03 todo elisp html, write function that get attribute value (xah-html-get-attribute attrName)

2018-12-05 todo maybe improve Great Math Board Game Software twitter it

2018-12-05 todo. maybe better English Vocabulary for SAT, GRE

to read [Overcoming Artificial Stupidity By Stephen Wolfram. At https://blog.stephenwolfram.com/2012/04/overcoming-artificial-stupidity/ ]

2018-11-15 todo read about css cascade order. write tutorial

2018-11-08 todo golang, change the replace.go script so it reports changes

2018-11-13 rip Macross Plus “Information High”

2018-11-13 todo emacs, make the xah html mode, tag insert command, to not prompt, but instert class id etc directly.

2018-12-07 todo https://www.williamjbowman.com/blog/2018/01/19/untyped programs don t exist/

Windows Subsystem for Linux

2018-11-26 to read https://stackoverflow.com/questions/22054578/how-to-run-a-program-without-an-operating-system/32483545#32483545

2018-11-27 https://www.syfy.com/syfywire/amazing-time-lapse-video-of-a-rocket-launch-seen-from-space

2018-11-27 http://kitchingroup.cheme.cmu.edu/blog/2018/11/16/Line-integrals-in-Python-with-autograd/

todo remove reference to python ruby etc at Perl by Example

do same for

on this page Perl Books Survey 2002 make those gz local copy files as html

to read kilo. text editor in 1k lines of c https://github.com/antirez/kilo

it golang https://github.com/bediger4000/kilo-in-go


essay about guido the character Transfer of Power (Guido stepping down as BDFL) https://www.reddit.com/r/Python/comments/8yapie/transfer_of_power_guido_stepping_down_as_bdfl/

[There's No Such Thing as a General-purpose Processor By David Chisnall, University Of Cambridge. At https://queue.acm.org/detail.cfm?id=2687011 ]


to read

Cognitive dimensions of notations

interactive js app for visualizing quaternions


Modern JavaScript Explained For Dinosaurs

great article

[Modern JavaScript Explained For Dinosaurs By Peter Jang. At https://medium.com/the node js collection/modern javascript explained for dinosaurs f695e9747b70 ]

JavaScript Math and Plot Libs

several math and plot related js libs to read.

all these are probably very good.

d3 and rollup.js https://bl.ocks.org/mbostock/bb09af4c39c79cffcde4

d3 https://github.com/d3/d3

function-plot https://github.com/mauriciopoppe/function-plot/

mathjs http://mathjs.org/index.html

stack.gl http://stack.gl

plotly.js https://github.com/plotly/plotly.js

propel https://github.com/propelml/propel

complex function phase portrait https://www.shadertoy.com/view/XsVczh

If you have a question, put $5 at patreon and message me.