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/**
 * Returns an array containing the unique elements from the input array.
 *
 * @param {Array} arr - The input array.
 * @return {Array} An array containing the unique elements from the input array.
 */
function uniqueElements(arr) {
    const uniqueArr = []
    const seen = new Set()

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/**
 * Calculates the weighted average of an array of numbers.
 *
 * @param {number[]} nums - The array of numbers to be averaged.
 * @param {number[]} weights - The array of weights corresponding to each number in `nums`.
 * @return {number} The weighted average of the numbers.
 */
const weightedAverage = (nums, weights) => {
    let sum = 0;
    let weightSum = 0;

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#!/usr/bin/env bash

LOG_FILE="appPrint.log"


. "Check ownership and permissions of a file.sh"


function log()
{

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#!/usr/bin/env bash


# Check ownership and permissions of a file
function checkPermissions() {
    file="$1"
    expectedOwner="$2"
    expectedPermissions="$3"
    expectedUid=`id -u "$expectedOwner"`

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Curl cheatsheet

Options

-o <file>    # --output: write to file
-u user:pass # --user: Authentication
-v           # --verbose
-vv          # Even more verbose
-s           # --silent

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To find the length of a string use the # symbol

echo "${#MY_STRING}" 

Converting strings to Array

MY_ARR=($MY_STRING)

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#!/usr/bin/env bash

# This is a bash script template in order to help you quick start any script.
# It contains some sensible defaults, you can learn more by visiting:
# https://google.github.io/styleguide/shell.xml
#

# This option will make the script exit when there is an error
set -o errexit

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cat file.txt | while read line || [[ -n $line ]];
do
   printf '%s\n' "$line"   # do something with $line here
done

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Older Macs:

# Enable (Default)
sudo nvram BootAudio=%01

# Disable
sudo nvram BootAudio=%00

From 2016 models on:

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Vim Cheat Sheet

Global

• :help keyword - open help for keyword
• :saveas file - save file as
• :close - close current pane
• K - open man page for word under the cursor

Exiting