razzius
/ quadratic.typ
Created
October 31, 2025 02:18
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| --- | |
| title: Factoring Quadratic Equations Comes Full Circle | |
| --- | |
| A student in my math class was having trouble with factoring the following quadratic equation: | |
| $ | |
| x^2 -5x + 4 | |
| $ |
razzius
/ razzi-associate-extension-mode.el
Created
December 4, 2023 16:48
razzi-associate-extension-mode.el
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| (defun razzi-associate-extension-mode (extension mode) | |
| "Associate a file extension with an editing mode. | |
| For example, (razzi-associate-extension-mode \"js\" 'javascript-mode)" | |
| (let ((pattern (concat "\\." extension "$"))) | |
| (add-to-list 'auto-mode-alist (cons pattern mode)))) |
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| const space = String.fromCharCode(32) | |
| const at_symbol = String.fromCharCode(64) | |
| const newline = String.fromCharCode(10) | |
| const openb = String.fromCharCode(91) | |
| const closb = String.fromCharCode(93) | |
| const quote = String.fromCharCode(39) | |
| const comma = String.fromCharCode(44) | |
| function represent(ss) { | |
| return ss.join(newline).replace( | |
| at_symbol, |
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| syntax enable | |
| filetype plugin indent on | |
| set tabstop=4 | |
| set smartindent | |
| let mapleader = ' ' | |
| nnoremap <leader>q :q<cr> | |
| nnoremap <leader><leader> :w<cr> |
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| from urllib.parse import urlparse | |
| database_url = input() | |
| parsed = urlparse(database_url) | |
| parts = { | |
| 'port': parsed.port, | |
| 'dbname': parsed.path[1:], |
razzius
/ dburl_to_connection.py
Last active
July 17, 2020 04:04
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| from urllib.parse import urlparse | |
| database_url = input() | |
| parsed = urlparse(database_url) | |
| parts = { | |
| 'port': parsed.port, | |
| 'dbname': parsed.path[1:], |
razzius
/ js-key-rebind.html
Last active
April 13, 2020 18:30
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| <html> | |
| <head> | |
| <meta charset="utf-8" /> | |
| </head> | |
| <body> | |
| <script> | |
| const KEY_NAMES = { | |
| enter: 'ret', | |
| ' ': 'spc', | |
| escape: 'esc', |
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| function toTest(a, b) { | |
| return a + b | |
| } | |
| function debug(fn) { | |
| return function() { | |
| console.log(`Going to call ${fn.name} with ${[].slice.call(arguments).join(', ')}`) | |
| result = fn.apply(this, arguments) | |
| console.log(`Got result from ${fn.name} of`, result); | |
| return result |
razzius
/ js-key-rebind.html
Created
April 13, 2020 01:46
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| <html> | |
| <head> | |
| <meta charset="utf-8" /> | |
| </head> | |
| <body> | |
| <script> | |
| function parseKeyname(keyname) { | |
| const parts = keyname.toLowerCase().split('-') | |
| const modifiers = parts.slice(0, -1) | |
| const key = parts[parts.length - 1] |
razzius
/ gist:81bdccf8e2228d943296fe54d076a8dd
Created
September 26, 2019 18:28
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| function album --argument the_album | |
| set script (echo "\ | |
| for f in \"$the_album\"*.{flac,mp3,m4a}; | |
| afplay \"\$f\"; | |
| end | |
| ") | |
| begin | |
| fish -c "$script" | |
| end | |
| end |
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