- Text Content Generator - http://www.lipsum.com
- Favicon Generator - http://tools.dynamicdrive.com/favicon
- Data Generator - https://mockaroo.com/
- Mobile Mockup Generator - https://mockuphone.com
- Logo Generator - https://www.logaster.com
- UUID Generator - https://www.uuidgenerator.net/
- Hash Generator - https://passwordsgenerator.net/sha256-hash-generator/
- Ultimate Code Generator - https://webcode.tools/
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Latency Comparison Numbers (~2012) | |
---------------------------------- | |
L1 cache reference 0.5 ns | |
Branch mispredict 5 ns | |
L2 cache reference 7 ns 14x L1 cache | |
Mutex lock/unlock 25 ns | |
Main memory reference 100 ns 20x L2 cache, 200x L1 cache | |
Compress 1K bytes with Zippy 3,000 ns 3 us | |
Send 1K bytes over 1 Gbps network 10,000 ns 10 us | |
Read 4K randomly from SSD* 150,000 ns 150 us ~1GB/sec SSD |
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<!DOCTYPE html> | |
<html> | |
<head> | |
<title>WebWorker image preloading</title> | |
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0, user-scalable=no" /> | |
</head> | |
<body> | |
<div id="output"></div> | |
<script id="imgloader" type="javascript/worker"> | |
// Not race proof or robust. Proof of concept. |
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powershell [Console]::Beep(658, 125); [Console]::Beep(1320, 500); [Console]::Beep(990, 250); [Console]::Beep(1056, 250); [Console]::Beep(1188, 250); [Console]::Beep(1320, 125); [Console]::Beep(1188, 125); [Console]::Beep(1056, 250); [Console]::Beep(990, 250); [Console]::Beep(880, 500); [Console]::Beep(880, 250); [Console]::Beep(1056, 250); [Console]::Beep(1320, 500); [Console]::Beep(1188, 250); [Console]::Beep(1056, 250); [Console]::Beep(990, 750); [Console]::Beep(1056, 250); [Console]::Beep(1188, 500); [Console]::Beep(1320, 500); [Console]::Beep(1056, 500); [Console]::Beep(880, 500); [Console]::Beep(880, 500); sleep -m 250; [Console]::Beep(1188, 500); [Console]::Beep(1408, 250); [Console]::Beep(1760, 500); [Console]::Beep(1584, 250); [Console]::Beep(1408, 250); [Console]::Beep(1320, 750); [Console]::Beep(1056, 250); [Console]::Beep(1320, 500); [Console]::Beep(1188, 250); [Console]::Beep(1056, 250); [Console]::Beep(990, 500); [Console]::Beep(990, 250); [Console]::Beep(1056, 250); [Console]::Beep(1188, 500); [ |
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axios({ | |
url: 'http://localhost:5000/static/example.pdf', | |
method: 'GET', | |
responseType: 'blob', // important | |
}).then((response) => { | |
const url = window.URL.createObjectURL(new Blob([response.data])); | |
const link = document.createElement('a'); | |
link.href = url; | |
link.setAttribute('download', 'file.pdf'); | |
document.body.appendChild(link); |
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/* | |
Copy this into the console of any web page that is interactive and doesn't | |
do hard reloads. You will hear your DOM changes as different pitches of | |
audio. | |
I have found this interesting for debugging, but also fun to hear web pages | |
render like UIs do in movies. | |
*/ | |
const audioCtx = new (window.AudioContext || window.webkitAudioContext)() |
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/* | |
Copy this into the console of any web page that is interactive and doesn't | |
do hard reloads. You will hear your DOM changes as different pitches of | |
honks. | |
I have found this interesting for debugging, but also fun to hear web pages | |
render like geese. | |
*/ | |
const audioCtx = new (window.AudioContext || window.webkitAudioContext)(); | |
const url = 'https://firebasestorage.googleapis.com/v0/b/mutation-honk.appspot.com/o/Honk1.mp3?alt=media'; |
I was poking around trying to figure out all the packages I have access to publish and got curious. So I write this little script to determine the download stats for all the packages I have publish access to.
Feel free to try it yourself. Just change the username passed to getUserDownloadStats
.
By default, the stats are sorted by their average daily downloads (descending). That should give you an idea of the most "popular" package of a given user relative to how long that package has been around.
You can use it with npx
like so:
The package that linked you here is now pure ESM. It cannot be require()
'd from CommonJS.
This means you have the following choices:
- Use ESM yourself. (preferred)
Useimport foo from 'foo'
instead ofconst foo = require('foo')
to import the package. You also need to put"type": "module"
in your package.json and more. Follow the below guide. - If the package is used in an async context, you could use
await import(…)
from CommonJS instead ofrequire(…)
. - Stay on the existing version of the package until you can move to ESM.
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import { useSyncExternalStore } from "react"; | |
// For more on the useSyncExternalStore hook, see https://react.dev/reference/react/useSyncExternalStore | |
// The code is almost identical to the source code of zustand, without types and some features stripped out. | |
// Check the links to see the references in the source code. | |
// The links are referencing the v5 of the library. If you plan on reading the source code yourself v5 is the best way to start. | |
// The current v4 version contains lot of deprecated code and extra stuff that makes it hard to reason about if you're new to this. | |
// https://github.com/pmndrs/zustand/blob/fe47d3e6c6671dbfb9856fda52cb5a3a855d97a6/src/vanilla.ts#L57-L94 | |
function createStore(createState) { |
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