itsdonnix

function CreateUUID() {
  return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) {
    var r = Math.random() * 16 | 0, v = c == 'x' ? r : (r & 0x3 | 0x8);
    return v.toString(16);
  });
}

itsdonnix

Linux Cheatshets

Storage Management

List of all mounted storages

cat /proc/self/mounts

Networking

itsdonnix

Docker Cheatsheets

Misc

Exctract a docker run command from running container

docker inspect \
  --format "$(curl -s https://gist.githubusercontent.com/efrecon/8ce9c75d518b6eb863f667442d7bc679/raw/run.tpl)" \
  name_or_id_of_your_running_container

itsdonnix

Laravel Cheatsheets

Laravel Upload file to storage folder (local)

if ($request->hasFile('image')) {
  $image = $request->file('image');
  // Will upload to /storage/public/472385852.jpg for example
  $destination  = 'public/' . time() . "." . $image->getClientOriginalExtension();
 Storage::disk('local')->put($destination, file_get_contents($image->getRealPath()));

itsdonnix

Hugo Cheatsheets

Date/Time

Get Current Date/Time

{{ dateFormat "01 Jan 2006" now }}

itsdonnix

<!--
  CSS Aspect Ratio with Fallback by Una Kravets
  Source: https://codepen.io/una/pen/BazyaOM
-->

<div>I am always 16x9</div>

<style>
div {
  background: lightblue;

itsdonnix

.container {
  --max-width: 60rem;
  --padding: 2rem;
  
  max-width: min(100% - var(--padding), var(--max-width));
  margin-inline: auto;
}

itsdonnix

function calculateAge(year, month, date) {
  const bornDate = new Date(year, month - 1, date);
  const nowDate = new Date();
  const bornYear = bornDate.getFullYear();
  const nowYear = nowDate.getFullYear();
  let age = nowYear - bornYear - 1;
  if (
    nowDate.getMonth() >= bornDate.getMonth() &&
    nowDate.getDate() >= bornDate.getDate()
  ) {

itsdonnix

function randomDate() {
  // Start from 01 Jan 2010   
  const start = new Date(2010, 1, 1);
  // End with current date
  const end = new Date();
  const randomDate = new Date(
    start.getTime() + Math.random() * (end.getTime() - start.getTime())
  );
  return randomDate.toISOString().slice(0, 10);
}

itsdonnix

Use sshfs to mount an AWS EC2 folder using PEM file

sshfs -o "IdentityFile=path/to/file.pem" ubuntu@EC2_HOST:/path/to/dir /path/to/mount/point