Nikhil nkhil

Useful .zshrc helpers

uuid() {
  uuidgen | tr -d '\n' | pbcopy
}

rand() {

As posted on: https://timvisee.com/blog/list-export-your-subreddits/

Get a list of your subreddits

To obtain a list of your subreddits, do the following:

First make sure you're logged in on reddit, on a desktop browser.
Then visit reddit.com/subreddits.
Then put the following snippet in your browsers address bar, and press Enter.
Make sure javascript: is included at the beginning, your browser might remove it while copy-pasting for security reasons:

Parse a CSV file in node without dependencies

We're going to parse a file, use a conditional to add a new column, then save the new file with an additional column all without using any external dependencies not included in the standard lib

const fs = require('fs');

const inputCsvFile = 'input.csv';
const outputCsvFile = 'output.csv';

Custom Karabiner rule to toggle W/A/S/D as arrow keys

The following rule re-maps the capslock key so it toggles on W/A/S/D becoming arrow keys.

{
  "global": {
    "check_for_updates_on_startup": true,
    "show_in_menu_bar": true,
    "show_profile_name_in_menu_bar": false,

Symmetric decryption using Nodejs

This is a working example of symmetric encryption in nodejs.

From https://stackoverflow.com/questions/41043878/symmetric-encryption-with-nodejs

var assert = require('assert');
var crypto = require('crypto');
const fs = require('fs')

	import never from 'never'

	type ParsedLogs = Array<[string, string]>

	type GroupedLogs = {
	[K: string]: Array<string>
	}

	export default function main(logs: string) {
	const parsedLogs = parseAndNormaliseLogs(logs)

	function parseLogs(logs) {
	const logsArray = logs.split('\n').map(eachLog => eachLog.split(','))
	const normalisedArray = normaliseArray(logsArray)
	const logsWithSeconds = normalisedArray.map(([timestamp, phoneNumber]) =>
	[calculateTotalSeconds(timestamp), phoneNumber])
	const grouped = groupByPhoneNumber(logsWithSeconds)
	const phoneNumberWithLargestTotal = getPhoneNumberWithLargestTotalSeconds(grouped)
	grouped[phoneNumberWithLargestTotal] = 0
	return calculateTotalBill(logsWithSeconds, phoneNumberWithLargestTotal)
	}

	const crypto = require('crypto')
	const fs = require('fs')

	const encryptedData = fs.readFileSync('encrypted_data.txt', { encoding: 'utf-8' })
	const privateKey = fs.readFileSync('private.pem', { encoding: 'utf-8' })

	const decryptedData = crypto.privateDecrypt(
	{
	key: privateKey,
	// In order to decrypt the data, we need to specify the

	const fs = require('fs')
	const crypto = require('crypto')

	const dataToEncrypt = fs.readFileSync('data_to_encrypt.txt', { encoding: 'utf-8' })

	const publicKey = Buffer.from(fs.readFileSync('public.pem', { encoding: 'utf-8' }))

	const encryptedData = crypto.publicEncrypt(
	{
	key: publicKey,

	const crypto = require('crypto')
	const fs = require('fs')

	const { publicKey, privateKey } = crypto.generateKeyPairSync("rsa", {
	// The standard secure default length for RSA keys is 2048 bits
	modulusLength: 2048,
	})

	// *********************************************************************
	//