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import asyncio
import psycopg2

# dbname should be the same for the notifying process
conn = psycopg2.connect(host="localhost", dbname="example", user="example", password="example")
conn.set_isolation_level(psycopg2.extensions.ISOLATION_LEVEL_AUTOCOMMIT)

cursor = conn.cursor()
cursor.execute(f"LISTEN match_updates;")

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23.21.150.121:3478
iphone-stun.strato-iphone.de:3478
numb.viagenie.ca:3478
s1.taraba.net:3478
s2.taraba.net:3478
stun.12connect.com:3478
stun.12voip.com:3478
stun.1und1.de:3478
stun.2talk.co.nz:3478
stun.2talk.com:3478

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Raw File Handling

A file upload service to demo use of the browser FileReader API and http request streaming with node http

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WebSockets

Another chat app ...

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WebSockets

With socket.io

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WebSockets

With native WebSocket API

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GitHub Actions

Rust setup

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REMIX EXAMPLE PROJECT

Remix example project is present when Remix loads very first time or there are no files existing in the File Explorer. 
It contains 3 directories:

1. 'contracts': Holds three contracts with different complexity level, denoted with number prefix in file name.
2. 'scripts': Holds two scripts to deploy a contract. It is explained below.
3. 'tests': Contains one test file for 'Ballot' contract with unit tests in Solidity.

SCRIPTS

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http {
      upstream backend {
        # ip_hash;
        server 127.0.0.1:3000;
        server 127.0.0.1:3100;
        server 127.0.0.1:5000;
      }
      server {
        listen 80;
      

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use std::net::tcplistener;
use std::io::read;
use httparse;

fn main() {
    let listener = tcplistener::bind("127.0.0.1:9000").unwrap();

    println!("server running on http://localhost:9000");

    loop {