Skip to content

Instantly share code, notes, and snippets.

View madebycollins's full-sized avatar

Collins Zimba madebycollins

View GitHub Profile
@joepie91
joepie91 / vpn.md
Last active May 20, 2024 03:37
Don't use VPN services.

Don't use VPN services.

No, seriously, don't. You're probably reading this because you've asked what VPN service to use, and this is the answer.

Note: The content in this post does not apply to using VPN for their intended purpose; that is, as a virtual private (internal) network. It only applies to using it as a glorified proxy, which is what every third-party "VPN provider" does.

  • A Russian translation of this article can be found here, contributed by Timur Demin.
  • A Turkish translation can be found here, contributed by agyild.
  • There's also this article about VPN services, which is honestly better written (and has more cat pictures!) than my article.
@malarkey
malarkey / Contract Killer 3.md
Last active May 17, 2024 15:28
The latest version of my ‘killer contract’ for web designers and developers

When times get tough and people get nasty, you’ll need more than a killer smile. You’ll need a killer contract.

Used by 1000s of designers and developers Clarify what’s expected on both sides Helps build great relationships between you and your clients Plain and simple, no legal jargon Customisable to suit your business Used on countless web projects since 2008

…………………………

@vlucas
vlucas / encryption.js
Last active May 17, 2024 12:11
Stronger Encryption and Decryption in Node.js
'use strict';
const crypto = require('crypto');
const ENCRYPTION_KEY = process.env.ENCRYPTION_KEY; // Must be 256 bits (32 characters)
const IV_LENGTH = 16; // For AES, this is always 16
function encrypt(text) {
let iv = crypto.randomBytes(IV_LENGTH);
let cipher = crypto.createCipheriv('aes-256-cbc', Buffer.from(ENCRYPTION_KEY), iv);
@EtienneLem
EtienneLem / ajax_worker.js
Created June 10, 2013 19:40
Ajax Web Worker
var handleRequest = function(data) {
postMessage(data)
}
addEventListener('message', function(e) {
var xhr = new XMLHttpRequest
xhr.open('GET', e.data)
xhr.onreadystatechange = function(e) {
if (xhr.readyState === 4 && xhr.status === 200) {
handleRequest(xhr.responseText)
@siwalikm
siwalikm / aes-256-cbc.js
Last active May 7, 2024 17:22
AES-256-CBC implementation in nodeJS with built-in Crypto library
'use strict';
const crypto = require('crypto');
const ENC_KEY = "bf3c199c2470cb477d907b1e0917c17b"; // set random encryption key
const IV = "5183666c72eec9e4"; // set random initialisation vector
// ENC_KEY and IV can be generated as crypto.randomBytes(32).toString('hex');
const phrase = "who let the dogs out";
var encrypt = ((val) => {
@BoGnY
BoGnY / README.md
Last active May 7, 2024 07:02
[WINDOWS] How to enable auto-signing Git commits with GnuPG for programs that don't support it natively

[WINDOWS] How to enable auto-signing Git commits with GnuPG for programs that don't support it natively

This is a step-by-step guide on how to enable auto-signing Git commits with GPG for every applications that don't support it natively (eg. GitHub Desktop, Eclipse, Git Tower, ...)

Requirements

  • Install GPG4Win: this software is a bundle with latest version of GnuPG v2, Kleopatra v3 certificate manager, GNU Privacy Assistant (GPA) v0.9 which is a GUI that uses GTK+, GpgOL and GpgEX that are respectively an extension for MS Outlook and an extension for Windows Explorer shell
  • Install Git for Windows: so you can have a *nix based shell, this software is a bundle with latest version of Git which use MINGW environment, a Git bash shell, a Git GUI and an extension for Windows Explorer shell (Make sure your local version of Git is at least 2.0, otherwise Git don't have support for automatically sign your commits)
  • Verify
@grenade
grenade / 01-generate-ed25519-ssh-key.sh
Last active May 2, 2024 23:15
generate ed25519 ssh and gpg/pgp keys and set file permissions for ssh keys and config
#!/bin/bash
# generate new personal ed25519 ssh key
ssh-keygen -o -a 100 -t ed25519 -f ~/.ssh/id_ed25519 -C "rob thijssen <rthijssen@gmail.com>"
# generate new host cert authority (host_ca) ed25519 ssh key
# used for signing host keys and creating host certs
ssh-keygen -t ed25519 -f manta_host_ca -C manta.network
eval "$(ssh-agent -s)"
@fgilio
fgilio / axios-catch-error.js
Last active April 11, 2024 19:02
Catch request errors with Axios
/*
* Handling Errors using async/await
* Has to be used inside an async function
*/
try {
const response = await axios.get('https://your.site/api/v1/bla/ble/bli');
// Success 🎉
console.log(response);
} catch (error) {
// Error 😨
@jpmoura
jpmoura / jest-mock-bcrypt-example.ts
Created August 12, 2021 23:50
Mocking bcrypt library with Jest and TypeScript
// Using compare method as example
const bcryptCompare = jest.fn().mockRejectedValue(new Error('Random error'));
(bcrypt.compare as jest.Mock) = bcryptCompare;
//call method that uses bcrypt.compare with async
const bcryptCompare = jest.fn().mockResolvedValue(true);
(bcrypt.compare as jest.Mock) = bcryptCompare;
//call method that uses bcrypt.compare with async
@gaearon
gaearon / minification.md
Last active March 4, 2024 12:45
How to Set Up Minification

In production, it is recommended to minify any JavaScript code that is included with your application. Minification can help your website load several times faster, especially as the size of your JavaScript source code grows.

Here's one way to set it up:

  1. Install Node.js
  2. Run npm init -y in your project folder (don't skip this step!)
  3. Run npm install terser

Now, to minify a file called like_button.js, run in the terminal: