Jeremy Keith adactio
adactio
/ trimCache.js
Last active
May 2, 2025 12:59
A recursive function to limit the number of items in a specified cache.
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| // Limit the number of items in a specified cache. | |
| function trimCache(cacheName, maxItems) { | |
| caches.open(cacheName) | |
| .then( cache => { | |
| cache.keys() | |
| .then(keys => { | |
| if (keys.length > maxItems) { | |
| cache.delete(keys[0]) | |
| .then( () => { | |
| trimCache(cacheName, maxItems) |
adactio
/ minimal-serviceworker.js
Last active
August 18, 2023 09:15
An attempt at a minimal viable service worker.
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| // Licensed under a CC0 1.0 Universal (CC0 1.0) Public Domain Dedication | |
| // http://creativecommons.org/publicdomain/zero/1.0/ | |
| // HTML files: try the network first, then the cache. | |
| // Other files: try the cache first, then the network. | |
| // Both: cache a fresh version if possible. | |
| // (beware: the cache will grow and grow; there's no cleanup) | |
| const cacheName = 'files'; |
adactio
/ playSparkline.js
Last active
June 11, 2023 21:17
A function to convert numbers into sound.
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| // Licensed under a CC0 1.0 Universal (CC0 1.0) Public Domain Dedication | |
| // http://creativecommons.org/publicdomain/zero/1.0/ | |
| // Pass in an array of numbers ranging from 0 to 20. | |
| function playSparkline(notes) { | |
| if (!window.AudioContext && !window.webkitAudioContext) { | |
| return; | |
| } | |
| var playing = null; |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="utf-8"> | |
| <meta name="viewport" content="width=device-width, initial-scale=1"> | |
| <title></title> | |
| </head> | |
| <body> | |
| </body> |
adactio
/ monthmap.php
Last active
December 27, 2018 07:21
Display a heat calendar for a month of data.
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| <?php | |
| // Create an array of timestamps for posts | |
| // and put them into an array called $timestamps. | |
| foreach ($timestamps as $timestamp) { | |
| $day = date("j", $timestamp); | |
| $hour = date("G", $timestamp); | |
| if (isset($heatcalendar['posts'][$day][$hour])) { | |
| $heatcalendar['posts'][$day][$hour]++; |
adactio
/ linkTwitterProfiles.php
Created
February 2, 2017 23:45
A regular expression for turning a word beginning with @ into a link to a Twitter profile.
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| <?php | |
| $string = preg_replace( | |
| '/(?<=^|\s)@([a-z0-9_]+)/i', | |
| '<a href="https://twitter.com/$1">@$1</a>', | |
| $string | |
| ); | |
| ?> |
adactio
/ yourdomain.com.conf
Last active
December 13, 2016 13:48
HTTPS domain settings on Apache 2.4.7: https://adactio.com/journal/10727
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| <VirtualHost *:80> | |
| ServerAdmin [email protected] | |
| ServerName yourdomain.com | |
| ServerAlias www.yourdomain.com | |
| DocumentRoot /path/to/yourdomain | |
| Redirect / https://yourdomain.com/ | |
| </VirtualHost> | |
| <VirtualHost *:443> | |
| ServerAdmin [email protected] |
adactio
/ formProgress.js
Created
May 29, 2016 15:27
Show a progress bar with every form that has a method of POST. Particularly nice if there's a file upload involved.
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| // Licensed under a CC0 1.0 Universal (CC0 1.0) Public Domain Dedication | |
| // http://creativecommons.org/publicdomain/zero/1.0/ | |
| (function (win, doc) { | |
| 'use strict'; | |
| if (!win.XMLHttpRequest || !win.FormData || !win.addEventListener || !doc.querySelectorAll) { | |
| // doesn't cut the mustard. | |
| return; | |
| } | |
| function hijaxForm (formElement) { | |
| var progressBar; |
adactio
/ aria-controls.js
Last active
March 8, 2024 07:07
Show and hide content with "aria-controls" buttons.
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| // Licensed under a CC0 1.0 Universal (CC0 1.0) Public Domain Dedication | |
| // http://creativecommons.org/publicdomain/zero/1.0/ | |
| (function (win, doc) { | |
| 'use strict'; | |
| if (!doc.querySelectorAll || !win.addEventListener) { | |
| // doesn't cut the mustard. | |
| return; | |
| } | |
| var toggles = doc.querySelectorAll('[aria-controls]'); | |
| var togglecount = toggles.length; |
adactio
/ urtext.html
Last active
May 7, 2016 02:06
December 3rd, 1990: The earliest known HTML document: http://www.w3.org/2012/08/history-of-the-web/origins.htm
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| <h1>Standardisation</h1> | |
| There was not a lot of discussion of this at <a href=Introduction.html>ECHT90</a>, but there seem to be two leads: | |
| <ol> | |
| <li><a href=People.html#newcombe>Steve newcombe's</a> and Goldfarber's "Hytime" committee | |
| looking into SGML, and | |
| <li>An ISO working group known as MHEG, "Multimedia/HyperText Expert Group". | |
| led by one Francis Kretz (Thompsa SA? Rennes?). | |
| </lo> |