You may need to configure a proxy server if you're having trouble cloning
or fetching from a remote repository or getting an error
like unable to access '...' Couldn't resolve host '...'.
Consider something like:
mbajur
/ index.html
Last active
August 19, 2025 10:27
Working example of window.postMessage used for sending data from popup to parent page (works in IE)
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| <!doctype html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <title>Index</title> | |
| <script type="text/javascript"> | |
| window.open ("popup.html","mywindow", "width=350,height=250"); | |
| // Create IE + others compatible event handler |
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| var aws = require('aws-sdk'); | |
| var BUCKET = 'node-sdk-sample-7271'; | |
| aws.config.loadFromPath(require('path').join(__dirname, './aws-config.json')); | |
| var s3 = new aws.S3(); | |
| var params = { | |
| Bucket: 'node-sdk-sample-7271', | |
| Delete: { // required | |
| Objects: [ // required | |
| { |
yoavniran
/ simple-nodejs-iv-encrypt-decrypt.js
Last active
January 20, 2022 08:16
nodejs crypto - simple encrypt & decrypt using IV (Initialization Vector)
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| "use strict"; | |
| var crypto = require("crypto"); | |
| var EncryptionHelper = (function () { | |
| function getKeyAndIV(key, callback) { | |
| crypto.pseudoRandomBytes(16, function (err, ivBuffer) { | |
| var keyBuffer = (key instanceof Buffer) ? key : new Buffer(key) ; |
amysimmons
/ js-tricky-bits.md
Last active
October 30, 2024 11:38
Understanding closures, callbacks and promises in JavaScript
#Understanding closures, callbacks and promises
For a code newbie like myself, callbacks, closures and promises are scary JavaScript concepts.
10 months into my full-time dev career, and I would struggle to explain these words to a peer.
So I decided it was time to face my fears, and try to get my head around each concept.
Here are the notes from my initial reading. I'll continue to refine them as my understanding improves.
vlucas
/ encryption.ts
Last active
April 7, 2026 13:20
Stronger Encryption and Decryption in Node.js
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| import { createCipheriv, createDecipheriv, randomBytes } from "crypto"; | |
| const ENCRYPTION_KEY: string = process.env.ENCRYPTION_KEY || ""; // Must be 256 bits (32 characters) | |
| const IV_LENGTH: number = 16; // For AES, this is always 16 | |
| /** | |
| * Will generate valid encryption keys for use | |
| * Not used in the code below, but generate one and store it in ENV for your own purposes | |
| */ | |
| export function keyGen() { |
davidgilbertson
/ toLocaleString.js
Created
January 29, 2017 07:36
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| const price = 1234.567; | |
| const formattedPrice = price.toLocaleString('en', { | |
| style: 'currency', | |
| currency: 'USD' | |
| }); | |
| console.log(formattedPrice); // "$1,234.57" |
mediavrog
/ gist:49c4f809dffea4e00738a7f5e3bbfa59
Last active
June 20, 2024 18:13
CORS in Google Cloud Functions for Firebase
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| const cors = require('cors')({origin: true}); | |
| exports.sample = functions.https.onRequest((req, res) => { | |
| cors(req, res, () => { | |
| res.send('Passed.'); | |
| }); | |
| }); |
NigelEarle
/ Knex-Migrations-Seeding.md
Last active
June 25, 2026 20:56
Migration and seeding instructions using Knex.js!
Migrations are a way to make database changes or updates, like creating or dropping tables, as well as updating a table with new columns with constraints via generated scripts. We can build these scripts via the command line using knex command line tool.
To learn more about migrations, check out this article on the different types of database migrations!
bnoordhuis
/ bytestokey.js
Created
November 29, 2017 22:55
Compute key+IV from passphrase (createCipher to createCipheriv migration script)
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| // Copyright (c) 2017, Ben Noordhuis <info@bnoordhuis.nl> | |
| // | |
| // Permission to use, copy, modify, and/or distribute this software for any | |
| // purpose with or without fee is hereby granted, provided that the above | |
| // copyright notice and this permission notice appear in all copies. | |
| // | |
| // THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | |
| // WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | |
| // MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR | |
| // ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
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