Erons Eronmmer

Node.js Deployment

Steps to deploy a Node.js app to DigitalOcean using PM2, NGINX as a reverse proxy and an SSL from LetsEncrypt

1. Sign up for Digital Ocean

If you use the referal link below, you get $10 free (1 or 2 months) https://m.do.co/c/5424d440c63a

2. Create a droplet and log in via ssh

I will be using the root user, but would suggest creating a new user

Django Crash Course Commands

# Install pipenv
pip install pipenv

# Create Venv
pipenv shell

MongoDB Cheat Sheet

Show All Databases

show dbs

Show Current Database

MySQL Cheat Sheet

Help with SQL commands to interact with a MySQL database

MySQL Locations

Mac /usr/local/mysql/bin
Windows /Program Files/MySQL/MySQL version/bin
Xampp /xampp/mysql/bin

Add mysql to your PATH

VSCode Shortcuts

List of helpful shortcuts for faster coding

If you have any other helpful shortcuts, feel free to add in the comments of this gist :)

Official List of all commands

Windows
Mac

	command	usage
	git init	Creates an empty Git repository in the specified directory.
	git clone <repository name>	Clones a repository located at <repository name> onto your local machine.
	git add <directory>	Stages only the specified changes for the next commit. Replace <directory> with a <file> to change a specific file.
	git add .	Stages new files and modifications without deletions
	git add -A	Stages all changes
	git add -all	Equivalent to git add -A
	git add -u	Stages modifications and deletions without adding new files
	git add --update	Equivalent to git add -u
	git commit -m ”<message>”	Commits the staged snapshot. replace <message> with the commit message.

Docker Commands, Help & Tips

Show commands & management commands

$ docker

Docker version info

If you haven’t worked with JavaScript in the last few years, these three points should give you enough knowledge to feel comfortable reading the React documentation:

We define variables with let and const statements. For the purposes of the React documentation, you can consider them equivalent to var.
We use the class keyword to define JavaScript classes. There are two things worth remembering about them. Firstly, unlike with objects, you don't need to put commas between class method definitions. Secondly, unlike many other languages with classes, in JavaScript the value of this in a method [depends on how it is called](https://developer.mozilla.org/en-US/docs/Web/Jav

	import { useReducer, useEffect } from 'react';
	import { useSwipeable, SwipeableHandlers, EventData } from 'react-swipeable';

	function previous(length: number, current: number) {
	return (current - 1 + length) % length;
	}

	function next(length: number, current: number) {
	return (current + 1) % length;
	}

	// Construct Single Node
	class Node {
	constructor(data, next = null) {
	this.data = data;
	this.next = next;
	}
	}

	// Create/Get/Remove Nodes From Linked List
	class LinkedList {