David Sharp davidsharp
davidsharp
/ shader-progress.html
Created
May 8, 2024 13:55
pinched a webgl shader example and playing with shaders for use as a progress bar
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| <body bgcolor=black> | |
| <canvas id='canvas1' width='1024' height='720'> | |
| </canvas> | |
| <button onclick="progress=Math.max(0.0,progress-0.1)"><</button> | |
| <button onclick="progress=Math.min(1.0,progress+0.1)">></button> | |
| </body> | |
| <script id="vs" type="x-shader/x-vertex"> | |
| attribute vec3 aPosition; | |
| varying vec3 vPosition; |
davidsharp
/ goofin-w-bangle.js
Last active
January 26, 2024 16:58
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| { // must be inside our own scope here so that when we are unloaded everything disappears | |
| // we also define functions using 'let fn = function() {..}' for the same reason. function decls are global | |
| let drawTimeout; | |
| // Actually draw the watch face | |
| let draw = function() { | |
| var x = g.getWidth() / 2; | |
| var y = g.getHeight() / 2; | |
| g.reset().clearRect(Bangle.appRect); // clear whole background (w/o widgets) | |
| g.setColor(0.2,0.2,1); |
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| const approximate_pi = n => { | |
| let pi = 0 | |
| let denom = 1 | |
| for(let i = 0;i<n;i++){ | |
| pi += (i%2?-4:4)/denom | |
| denom += 2 | |
| } | |
| return pi | |
| } |
davidsharp
/ circDepReplacer.js
Created
November 22, 2023 09:58
A quick little little circular dependancy remover for JSON.stringify
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| function circDepReplacer(k,v){return k&&v==this?null:v} | |
| // used like JSON.stringify(obj,circDepReplacer) | |
| // only replaces references to main object, not sub-objects |
davidsharp
/ bluetooth.10s.sh
Last active
November 12, 2024 17:36
— forked from ieatfood/Connect Airpods.applescript
A xbar/bitbar wrapper around an Applescript to connect bluetooth devices, such as Airpods.
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| #!/bin/bash | |
| function pair(){ | |
| osascript <<'END' | |
| use framework "IOBluetooth" | |
| use scripting additions | |
| set blueToothDevice to "Buds Pro" | |
| on getFirstMatchingDevice(deviceName) |
davidsharp
/ getBytes.js
Created
April 6, 2023 10:36
turns a byte count into an object which can be used to compose KB/MB/GB/TB/PB values
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| const getBytes = (bytes,{unit=null,binary=false,toFixed=1} = {}) => { | |
| const divisor = binary?1024:1000; | |
| let value = bytes; | |
| let sizeLevel=-1; | |
| const sizeArray=['KB','MB','GB','TB','PB']; | |
| if(unit){ | |
| sizeLevel=sizeArray.indexOf(unit); | |
| value=(bytes/Math.pow(divisor,sizeLevel+1)).toFixed(toFixed) | |
| } | |
| else while(value>=divisor){ |
davidsharp
/ kofi-widget.jsx
Created
March 20, 2023 12:27
A Preact component for displaying Ko-fi embed
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| import {useEffect} from 'preact/hooks'; | |
| export default function Kofi({name='davidsharp',text='Tip Me',backgroundColor='#fcbf47',textColor='#323842'}){ | |
| const widgetScript = (`console.log('Donate @ ko-fi.com/${name}') | |
| kofiWidgetOverlay.draw('${name}', { | |
| 'type': 'floating-chat', | |
| 'floating-chat.donateButton.text': '${text}', | |
| 'floating-chat.donateButton.background-color': '${backgroundColor}', | |
| 'floating-chat.donateButton.text-color': '${textColor}' | |
| });`) |
davidsharp
/ nvm-symlink.sh
Created
July 12, 2022 16:14
symlinking the node binary with whatever nvm has set it as
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| # symlinking the node binary with whatever nvm has set it as | |
| rm /usr/local/bin/node | |
| ln -s $(which node) /usr/local/bin/node |
davidsharp
/ autolink.jsx
Created
June 24, 2022 09:08
Ever so slightly shorter version of the Autolink component found in 30 Seconds of Knowledge
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| function AutoLink({ text }) { | |
| const delimiter = /((?:https?:\/\/)?(?:(?:[a-z0-9]?(?:[a-z0-9\-]{1,61}[a-z0-9])?\.[^\.|\s])+[a-z\.]*[a-z]+|(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)(?:\.(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)){3})(?::\d{1,5})*[a-z0-9.,_\/~#&=;%+?\-\\(\\)]*)/gi; | |
| return ( | |
| <React.Fragment> | |
| {text.split(delimiter).map((word,i) => { | |
| const isUrl = i%2; | |
| return isUrl ? (<a href={word.startsWith("http") ? word : `http://${word}`}>{word}</a>) : word; | |
| })} | |
| </React.Fragment> |
davidsharp
/ force-xhr-status-with-proxy.js
Created
April 22, 2022 10:27
Proxying a XMLHttpRequest to force the status received
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| XMLHttpRequest = new Proxy(XMLHttpRequest, { | |
| construct:function(t,a){ | |
| const req = new t(); | |
| return new Proxy(req, { | |
| get:function(o,p){ | |
| if(p=='status')return 9001 | |
| return typeof o[p] == 'function'?o[p].bind(o):o[p] | |
| }, | |
| set: function(target, prop, value) { | |
| Reflect.set(target, prop, value) // or target[prop] = value |
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