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Problem

I have two Github accounts: oanhnn (personal) and superman (for work). I want to use both accounts on same computer (without typing password everytime, when doing git push or pull).

Solution

Use ssh keys and define host aliases in ssh config file (each alias for an account).

How to?

Generate ssh key pairs for accounts and add them to GitHub accounts.

Concurrency in JavaScript

Javascript is a programming language with a peculiar twist. Its event driven model means that nothing blocks and everything runs concurrently. This is not to be confused with the same type of concurrency as running in parallel on multiple cores. Javascript is single threaded so each program runs on a single core yet every line of code executes without waiting for anything to return. This sounds weird but it's true. If you want to have any type of sequential ordering you can use events, callbacks, or as of late promises.

Make config file:

sudo nano /etc/nginx/sites-available/bot.conf

Then copy and paste bot.conf content and edit YOUR.DOMAIN strings. Now install Let's Encrypt on your server. For example in Debian you need to add jessie-backports and easily install it with apt-get:

sudo apt-get install -t jessie-backports letsencrypt

Then get cert for you domain:

How to tunnel SSH over SSL/TLS

laptop ssh -> laptop stunnel -> evil network -> internet -> your server -> your server ssh

Server (your shell server/home box/work box/whatever)

Sets up a stunnel process listening externally on port 2443/tcp, forwards to localhost 22/tcp

Install stunnel, e.g. yum install stunnel
Install server config snippet to /etc/stunnel/stunnel.conf

Semantic Commit Messages

See how a minor change to your commit message style can make you a better programmer.

Format: <type>(<scope>): <subject>

<scope> is optional

	Hi All!

	I've recently launched a tool that wraps many of the commands here with a user interface. This desktop application is currently available for macOS. There's a roadmap outlining planned features for the near future.
	Feel free to request any features you'd like to see, and I'll prioritize them accordingly.
	One of the most important aspects of this application is that every command executed behind the scenes is displayed in a special log section. This allows you to see exactly what’s happening and learn from it.

	Here's the link to the repository: https://github.com/Pulimet/ADBugger

	App Description:
	ADBugger is a desktop tool designed for debugging and QA of Android devices and emulators. It simplifies testing, debugging, and performance analysis by offering device management, automated testing, log analysis, and remote control capabilities. This ensures smooth app performance across various setups.

	ssh -L 3308:<DB_MACHINE_HOST_ADDRESS>:3306 -f <USER>@<SSH_MACHINE_HOST_ADDRESS> -p <SSH_PORT> -NnT

	DB request to localhost:3308 ->(goes to) <SSH_MACHINE_HOST_ADDRESS>:<SSH_PORT> -> <DB_MACHINE_HOST_ADDRESS>:3306

	-L local port forwarding
	-f run in background
	-T disable psuedo terminal allocation
	-Nn disable stdin and execution of commands

	var net = require('net');
	var tunnel = null;
	var target = null;

	// tunnel server
	var serverInfo = {port:8811, host:"public.server.com"};
	// target device we want to access on network where this script is running
	var targetInfo = {port:1001, host:"ip.local.network"};

	function listen()

	#ifndef AIMBOT_H
	#define AIMBOT_H

	#include "Math.h"


	void doAimbot();

	#endif

	import axios from 'axios';

	const request = axios.create({
	baseURL: `https://hacker-news.firebaseio.com/`,
	headers: {
	'Accept': 'application/json',
	'X-Requested-With': 'XMLHttpRequest',
	},
	});